diff options
Diffstat (limited to 'test')
3497 files changed, 64767 insertions, 0 deletions
diff --git a/test/.gitignore b/test/.gitignore new file mode 100644 index 000000000..bc78ef3ec --- /dev/null +++ b/test/.gitignore @@ -0,0 +1,37 @@ +TAGS +tags +.deps +.libs +output +Makefile +Makefile.in +ref.hash +ref.list +any2ppm +.any2ppm +.any2ppm.pid +.any2ppm.errors +cairo-test-constructors.c +cairo-test-trace +cairo-test-suite +pdf2png +ps2png +svg2png +callgrind.out.* +valgrind-log +*.manifest +*.gcda +*.gcno +*.exe +*.exe.so +*.obj +*.ilk +*.pdb +*.la +*.lo +*.log +*.suo +*.o +*~ +.*.sw? +make-cairo-test-constructors diff --git a/test/.valgrind-suppressions b/test/.valgrind-suppressions new file mode 100644 index 000000000..f481a2f00 --- /dev/null +++ b/test/.valgrind-suppressions @@ -0,0 +1,577 @@ +{ + in dl.so + Memcheck:Cond + fun:_dl_relocate_object + } +{ + bugs in libpng/libz + Memcheck:Cond + obj:/usr/lib/libz.so.1.2.2.2 + obj:/usr/lib/libz.so.1.2.2.2 + fun:deflate + } +{ + bugs in libpng/libz + Memcheck:Cond + obj:/usr/lib/libz.so.1.2.3 + obj:/usr/lib/libz.so.1.2.3 + fun:deflate + } +{ + bugs in libpng/libz + Memcheck:Cond + obj:/usr/lib/libz.so.1.2.3.3 + } +{ + bugs in libpng/libz + Memcheck:Value8 + obj:/usr/lib/libz.so.1.2.3.3 + } +{ + cairo's write_png triggers apparent bugs in libpng/libz + Memcheck:Cond + obj:/usr/lib/libz.so.1.2.2.2 + obj:/usr/lib/libz.so.1.2.2.2 + fun:deflate + fun:png_write_finish_row + fun:png_write_filtered_row + fun:png_write_find_filter + fun:png_write_row + fun:png_write_image + fun:write_png + } +{ + cairo's write_png_argb32 triggers apparent bugs in libpng/libz + Memcheck:Cond + obj:/usr/lib/libz.so.1.2.3 + obj:/usr/lib/libz.so.1.2.3 + fun:deflate + obj:/usr/lib/libpng12.so.0.1.2.8 + obj:/usr/lib/libpng12.so.0.1.2.8 + obj:/usr/lib/libpng12.so.0.1.2.8 + fun:png_write_row + fun:png_write_image + fun:write_png +} +{ + cairo's write_png_argb32 triggers apparent bugs in libpng/libz + Memcheck:Cond + obj:/usr/lib/libz.so.1.2.2.2 + obj:/usr/lib/libz.so.1.2.2.2 + fun:deflate + fun:png_write_finish_row + fun:png_write_filtered_row + fun:png_write_find_filter + fun:png_write_row + fun:png_write_image + fun:write_png_argb32 + } +{ + cairo's _cairo_pdf_surface_paint triggers apparent bugs in libz + Memcheck:Cond + obj:/usr/lib/libz.so.1.2.3 + obj:/usr/lib/libz.so.1.2.3 + fun:deflate + fun:compress2 + fun:compress + fun:compress_dup + fun:emit_image + fun:emit_surface_pattern + fun:emit_pattern + fun:_cairo_pdf_surface_paint +} +{ + cairo's _cairo_pdf_surface_paint triggers apparent bugs in libz + Memcheck:Cond + obj:/usr/lib/libz.so.1.2.3 + obj:/usr/lib/libz.so.1.2.3 + fun:deflate + fun:compress2 + fun:compress + fun:compress_dup + fun:emit_pattern + fun:_cairo_pdf_surface_paint +} +{ + cairo's _cairo_pdf_surface_paint triggers apparent bugs in libz + Memcheck:Cond + fun:deflate_slow + fun:deflate +} +{ + cairo's _cairo_pdf_surface_paint triggers apparent bugs in libz + Memcheck:Value4 + fun:deflate_slow + fun:deflate +} +{ + cairo's _cairo_pdf_surface_paint triggers apparent bugs in libz + Memcheck:Value4 + fun:compress_block + fun:_tr_flush_block + fun:deflate_slow + fun:deflate +} +{ + cairo's _cairo_pdf_surface_paint triggers apparent bugs in libz + Memcheck:Value4 + fun:crc32 + obj:/usr/lib/libpng12.so.0.15.0 + fun:png_write_chunk_data + fun:png_write_chunk +} +{ + cairo's _cairo_pdf_surface_paint triggers apparent bugs in libz + Memcheck:Value4 + fun:base64_write_func + fun:stream_write_func + obj:/usr/lib/libpng12.so.0.15.0 + fun:png_write_chunk_data + fun:png_write_chunk +} +{ + pthread initialization strstr bug + Memcheck:Cond + fun:strstr + fun:__pthread_initialize_minimal + obj:/lib/libpthread-2.3.5.so + obj:/lib/libpthread-2.3.5.so + fun:call_init + fun:_dl_init + obj:/lib/ld-2.3.5.so +} +{ + Pixman reads padding bytes that are never initialized + Memcheck:Cond + fun:fbBltOne + fun:fbCompositeSolidMask_nx1xn + fun:_cairo_pixman_composite + fun:_cairo_image_surface_composite + fun:_cairo_surface_composite + fun:_cairo_ft_scaled_font_show_glyphs + fun:_cairo_scaled_font_show_glyphs + fun:_cairo_gstate_show_glyphs_draw_func + fun:_cairo_gstate_clip_and_composite + fun:_cairo_gstate_show_glyphs + fun:cairo_show_text + fun:draw +} +{ + XXX: I have no idea what might be causing this + Memcheck:Free + fun:free + fun:free_mem + fun:__libc_freeres + fun:_vgw_freeres + fun:exit + fun:__libc_start_main +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcAddCT + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase + fun:XrmGetStringDatabase +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:PutEntry + fun:GetDatabase + fun:XrmGetStringDatabase +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:initialize + fun:_XlcCreateLC + fun:_XlcDefaultLoader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase + fun:XrmGetStringDatabase +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:add_codeset + fun:initialize + fun:_XlcCreateLC + fun:_XlcDefaultLoader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase + fun:XrmGetStringDatabase +} +{ + XrmInitialize is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XrmInternalStringToQuark +} +{ + XrmInitialize is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + obj:/usr/lib/libX11.so.6.2.0 + fun:_XrmInternalStringToQuark + fun:XrmInitialize +} +{ + XrmInitialize is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:permalloc + fun:_XrmInternalStringToQuark +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcSetConverter + fun:_XlcDefaultLoader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase + fun:XrmGetStringDatabase +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcCreateDefaultCharSet + fun:_XlcAddCT + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase + fun:XrmGetStringDatabase +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:realloc + fun:add_codeset + fun:initialize + fun:_XlcCreateLC + fun:_XlcDefaultLoader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase + fun:XrmGetStringDatabase +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:realloc + fun:add_codeset + fun:load_generic + fun:initialize + fun:_XlcCreateLC + fun:_XlcDefaultLoader + fun:_XOpenLC +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:add_codeset + fun:load_generic + fun:initialize + fun:_XlcCreateLC + fun:_XlcDefaultLoader + fun:_XOpenLC +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:load_generic + fun:initialize + fun:_XlcCreateLC + fun:_XlcDefaultLoader + fun:_XOpenLC +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcAddCharSet + fun:_XlcAddCT + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase + fun:XrmGetStringDatabase +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcCreateLocaleDataBase + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase + fun:XrmGetStringDatabase +} +{ + XrmGetStringDatabase is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcSetConverter + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase + fun:XrmGetStringDatabase +} +{ + pthread initialization seems to leave some memory possibly lost + Memcheck:Leak + fun:calloc + obj:/lib/ld-2.3.6.so + obj:/lib/ld-2.3.6.so + fun:_dl_allocate_tls + fun:__pthread_initialize_minimal + obj:/usr/lib/debug/libpthread-0.10.so + obj:/usr/lib/debug/libpthread-0.10.so + obj:/lib/ld-2.3.6.so + obj:/lib/ld-2.3.6.so + obj:/lib/ld-2.3.6.so +} +{ + pthread initialization seems to leave some memory still reachable + Memcheck:Leak + fun:calloc + fun:_dl_tls_setup + fun:__pthread_initialize_minimal + obj:/usr/lib/debug/libpthread-0.10.so + obj:/usr/lib/debug/libpthread-0.10.so + obj:/lib/ld-2.3.6.so + obj:/lib/ld-2.3.6.so + obj:/lib/ld-2.3.6.so +} +{ + pthread initialization seems to leave some memory possibly lost + Memcheck:Leak + fun:memalign + obj:/lib/ld-2.3.6.so + fun:_dl_allocate_tls + fun:__pthread_initialize_minimal + obj:/usr/lib/debug/libpthread-0.10.so + obj:/usr/lib/debug/libpthread-0.10.so + obj:/lib/ld-2.3.6.so + obj:/lib/ld-2.3.6.so + obj:/lib/ld-2.3.6.so +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcAddCT + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:PutEntry + fun:GetDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:initialize + fun:_XlcCreateLC + fun:_XlcDefaultLoader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:add_codeset + fun:initialize + fun:_XlcCreateLC + fun:_XlcDefaultLoader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcAddCharSet + fun:_XlcAddCT + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:realloc + fun:add_codeset + fun:initialize + fun:_XlcCreateLC + fun:_XlcDefaultLoader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcCreateDefaultCharSet + fun:_XlcAddCT + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcCreateDefaultCharSet + fun:_XlcAddCT + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcAddCT + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcCreateLocaleDataBase + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcCreateDefaultCharSet + fun:_XlcAddCT + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcSetConverter + fun:_XlcInitCTInfo + fun:initialize + fun:initialize + fun:_XlcCreateLC + fun:_XlcUtf8Loader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcSetConverter + fun:_XlcDefaultLoader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + XrmGet*Database is fairly obnoxious about leaving reachable memory around + Memcheck:Leak + fun:malloc + fun:_XlcSetConverter + fun:_XlcAddUtf8Converters + fun:_XlcDefaultLoader + fun:_XOpenLC + fun:_XrmInitParseInfo + fun:NewDatabase +} +{ + Xau chooses not to free its static data... + Memcheck:Leak + fun:malloc + fun:XauFileName +} diff --git a/test/6x13.pcf b/test/6x13.pcf Binary files differnew file mode 100644 index 000000000..1325ae64f --- /dev/null +++ b/test/6x13.pcf diff --git a/test/COPYING b/test/COPYING new file mode 100644 index 000000000..3db71fb08 --- /dev/null +++ b/test/COPYING @@ -0,0 +1,26 @@ +Cairo is free software. + +These tests are mainly available under a liberal MIT license to simplify +any use of the code for reference purposes. Please check the opening comment +of each file for copyright and licensing information. + +The test suite also bundles some fonts for use by the test suite. The +fonts included, their licenses, and why we use them in the test suite +are as follows: + + Font License Distinguishing feature + -------- ------------- ---------------------- + 6x13.pcf Public Domain Bitmap font + + +The test suite also bundles some images for use by the test suite. The +images included, their licenses, and why we use them in the test suite +are as follows: + + Image License Distinguishing feature + ------------- ------------- ------------------------- + romedalen.jpg Public Domain Bitmap image (image/jpeg) + romedalen.png Public Domain Bitmap image (image/png) + +The kind contributors of the bundled files are (in alphabetical order): +Øyvind Kolås <pippin@freedesktop.org> Author of the original romedalen shot. diff --git a/test/Makefile.am b/test/Makefile.am new file mode 100644 index 000000000..be5741acf --- /dev/null +++ b/test/Makefile.am @@ -0,0 +1,403 @@ +include $(top_srcdir)/build/Makefile.am.common + +include $(top_srcdir)/test/Makefile.sources + +SUBDIRS=pdiff . + +# Then we have a collection of tests that are only run if certain +# features are compiled into cairo +if HAVE_REAL_PTHREAD +test_sources += $(pthread_test_sources) +endif + +if CAIRO_HAS_FT_FONT +if CAIRO_HAS_FC_FONT +test_sources += $(ft_font_test_sources) +endif +endif + +if CAIRO_HAS_EGL_FUNCTIONS +test_sources += $(egl_surface_test_sources) +endif + +# Need to add quartz-surface-source +if CAIRO_HAS_QUARTZ_SURFACE +test_sources += $(quartz_surface_test_sources) +endif + +if CAIRO_HAS_PDF_SURFACE +test_sources += $(pdf_surface_test_sources) +endif + +if CAIRO_HAS_PS_SURFACE +test_sources += $(ps_surface_test_sources) +endif + +if CAIRO_HAS_SVG_SURFACE +test_sources += $(svg_surface_test_sources) +endif + +if CAIRO_HAS_TEST_SURFACES +test_sources += $(test_fallback16_surface_test_sources) +endif + +if CAIRO_HAS_XCB_SURFACE +test_sources += $(xcb_surface_test_sources) +endif + +if CAIRO_HAS_XLIB_SURFACE +test_sources += $(xlib_surface_test_sources) +endif + +if CAIRO_HAS_XLIB_XRENDER_SURFACE +test_sources += $(xlib_xrender_surface_test_sources) +endif + +if CAIRO_HAS_MULTI_PAGE_SURFACES +test_sources += $(multi_page_surface_test_sources) +endif + +# Include fallback-resolution (once!) if we have any of the vector surfaces +if BUILD_ANY2PPM +if CAIRO_HAS_SVG_SURFACE +test = $(fallback_resolution_test_sources) +endif +if CAIRO_HAS_PDF_SURFACE +test = $(fallback_resolution_test_sources) +endif +if CAIRO_HAS_PS_SURFACE +test = $(fallback_resolution_test_sources) +endif +endif +test_sources += $(test) + +noinst_PROGRAMS = cairo-test-suite$(EXEEXT) # always build +noinst_SCRIPTS = check-refs.sh + +TESTS += cairo-test-suite$(EXEEXT) + +cairo-test-constructors.c: Makefile $(test_sources) make-cairo-test-constructors.sh + (cd $(srcdir) && sh ./make-cairo-test-constructors.sh $(test_sources)) > $@ + +cairo_test_suite_SOURCES = \ + $(cairo_test_suite_sources) \ + $(cairo_test_suite_headers) \ + $(test_sources) \ + cairo-test-constructors.c +cairo_test_suite_CFLAGS = $(AM_CFLAGS) $(real_pthread_CFLAGS) +cairo_test_suite_LDADD = \ + $(real_pthread_LIBS) \ + $(top_builddir)/test/pdiff/libpdiff.la \ + $(top_builddir)/boilerplate/libcairoboilerplate.la \ + $(top_builddir)/src/libcairo.la \ + $(CAIRO_LDADD) +cairo_test_suite_DEPENDENCIES = \ + $(top_builddir)/test/pdiff/libpdiff.la \ + $(top_builddir)/boilerplate/libcairoboilerplate.la \ + $(top_builddir)/src/libcairo.la +if BUILD_ANY2PPM +cairo_test_suite_DEPENDENCIES += \ + any2ppm$(EXEEXT) +endif + +if HAVE_SHM +EXTRA_PROGRAMS += cairo-test-trace +cairo_test_trace_SOURCES = \ + cairo-test-trace.c \ + buffer-diff.c \ + buffer-diff.h +cairo_test_trace_CFLAGS = $(AM_CFLAGS) $(real_pthread_CFLAGS) +cairo_test_trace_LDADD = \ + $(real_pthread_LIBS) \ + $(top_builddir)/test/pdiff/libpdiff.la \ + $(top_builddir)/util/cairo-script/libcairo-script-interpreter.la \ + $(top_builddir)/boilerplate/libcairoboilerplate.la \ + $(top_builddir)/src/libcairo.la \ + $(top_builddir)/util/cairo-missing/libcairo-missing.la \ + $(CAIRO_LDADD) \ + $(SHM_LIBS) +cairo_test_trace_DEPENDENCIES = \ + $(top_builddir)/test/pdiff/libpdiff.la \ + $(top_builddir)/util/cairo-script/libcairo-script-interpreter.la \ + $(top_builddir)/boilerplate/libcairoboilerplate.la \ + $(top_builddir)/src/libcairo.la \ + $(top_builddir)/util/cairo-missing/libcairo-missing.la \ + $(NULL) +endif + +BUILT_SOURCES += cairo-test-constructors.c +EXTRA_DIST += $(BUILT_SOURCES) $(noinst_SCRIPTS) COPYING make-cairo-test-constructors.sh run-cairo-test-suite.sh generate_refs.sh tiger.inc +CLEANFILES += $(BUILT_SOURCES) + +EXTRA_DIST += \ +6x13.pcf \ +index.html \ +jp2.jp2 \ +jpeg.jpg \ +png.png \ +romedalen.jpg \ +romedalen.png \ +scarab.jpg \ +surface-source.c \ +testtable.js \ +reference + +# Any test that doesn't generate a log file goes here +NOLOG_TESTS = \ +fallback-resolution \ +font-options \ +multi-page \ +pdf-features \ +png \ +ps-eps \ +ps-features \ +svg-clip \ +svg-surface \ +toy-font-face \ +user-data + +# A target to summarise the failures +check-summary: + @FAILED_TESTS=""; \ + for t in output/*.log; do \ + if grep -e '\<FAIL\>' $$t >/dev/null 2>&1; then \ + FAILED_TESTS="$$FAILED_TESTS $$t"; \ + fi; \ + done; \ + if test -n "$$FAILED_TESTS"; then \ + echo "Failed tests:"; \ + surfaces=""; \ + for t in $$FAILED_TESTS; do \ + name="$${t##output/}"; name="$${name%.log}"; \ + echo -n " $$name: "; \ + grep -e '\<FAIL\>' $$t | sed -e 's/.*TARGET: \([^ ]*\).*/\1/' | sort | uniq | tr '\n' ' '; \ + echo; \ + for s in `grep -e '\<FAIL\>' $$t | sed -e 's/.*TARGET: \([^ ]*\).*/\1/' | sort | uniq`; do \ + ss=`echo $$s | tr '-' '_'`; \ + tt=`echo $$name | tr '-' '_'`; \ + eval $$ss=\""$${!ss} $$tt"\"; \ + echo $$surfaces | grep $$ss >/dev/null || surfaces="$$surfaces $$ss"; \ + done; \ + done; \ + echo -n "Failures per surface - "; \ + first=""; \ + for s in $$surfaces; do \ + ss=`echo $$s | tr '_' '-'`; \ + test -n "$$first" && echo -n ", "; \ + cnt=`echo $${!s} | wc -w`; \ + echo -n "$$ss: $$cnt"; \ + first="false"; \ + done; \ + echo "."; \ + for s in $$surfaces; do \ + ss=`echo $$s | tr '_' '-'`; \ + cnt=`echo $${!s} | wc -w`; \ + echo -n " $$ss [$$cnt]: "; \ + echo $${!s} | tr '_' '-'; \ + done; \ + fi + +AM_CPPFLAGS = \ + -I$(srcdir) \ + -I$(srcdir)/pdiff \ + -I$(top_srcdir)/boilerplate \ + -I$(top_srcdir)/util/cairo-missing \ + -I$(top_srcdir)/util/cairo-script \ + -I$(top_srcdir)/src \ + -I$(top_builddir)/src \ + $(CAIRO_CFLAGS) +AM_LDFLAGS = $(CAIRO_LDFLAGS) + +$(top_builddir)/boilerplate/libcairoboilerplate.la: $(top_builddir)/src/libcairo.la + cd $(top_builddir)/boilerplate && $(MAKE) $(AM_MAKEFLAGS) libcairoboilerplate.la + +$(top_builddir)/src/libcairo.la: + cd $(top_builddir)/src && $(MAKE) $(AM_MAKEFLAGS) libcairo.la + +$(top_builddir)/test/pdiff/libpdiff.la: + cd $(top_builddir)/test/pdiff && $(MAKE) $(AM_MAKEFLAGS) libpdiff.la + +$(top_builddir)/test/pdiff/perceptualdiff: + cd $(top_builddir)/test/pdiff && $(MAKE) $(AM_MAKEFLAGS) perceptualdiff + +$(top_builddir)/util/cairo-script/libcairo-script-interpreter.la: $(top_builddir)/src/libcairo.la + cd $(top_builddir)/util/cairo-script && $(MAKE) $(AM_MAKEFLAGS) libcairo-script-interpreter.la + +EXTRA_PROGRAMS += imagediff png-flatten + +imagediff_SOURCES = \ + imagediff.c \ + buffer-diff.c \ + buffer-diff.h +imagediff_LDADD = \ + $(top_builddir)/test/pdiff/libpdiff.la \ + $(top_builddir)/src/libcairo.la + +png_flatten_SOURCES = png-flatten.c +png_flatten_LDADD = $(top_builddir)/src/libcairo.la \ + $(CAIRO_LDADD) + +if BUILD_ANY2PPM +check_PROGRAMS += any2ppm +any2ppm_CFLAGS = $(AM_CFLAGS) $(POPPLER_CFLAGS) $(LIBRSVG_CFLAGS) $(LIBSPECTRE_CFLAGS) +# add LDADD, so poppler/librsvg uses "our" cairo +any2ppm_LDFLAGS = $(AM_LDFLAGS) $(CAIRO_TEST_UNDEFINED_LDFLAGS) +any2ppm_LDADD = \ + $(top_builddir)/util/cairo-script/libcairo-script-interpreter.la \ + $(top_builddir)/src/libcairo.la \ + $(CAIRO_LDADD) \ + $(CAIROBOILERPLATE_LIBS) \ + $(POPPLER_LIBS) \ + $(LIBRSVG_LIBS) \ + $(LIBSPECTRE_LIBS) +endif + +if CAIRO_CAN_TEST_PDF_SURFACE +check_PROGRAMS += pdf2png +pdf2png_CFLAGS = $(AM_CFLAGS) $(POPPLER_CFLAGS) +# add LDADD, so poppler uses "our" cairo +pdf2png_LDFLAGS = $(AM_LDFLAGS) $(CAIRO_TEST_UNDEFINED_LDFLAGS) +pdf2png_LDADD = $(top_builddir)/src/libcairo.la \ + $(CAIRO_LDADD) \ + $(POPPLER_LIBS) +endif + +if CAIRO_CAN_TEST_SVG_SURFACE +check_PROGRAMS += svg2png +svg2png_CFLAGS = $(AM_CFLAGS) $(LIBRSVG_CFLAGS) +# add LDADD, so librsvg uses "our" cairo +svg2png_LDFLAGS = $(AM_LDFLAGS) $(CAIRO_TEST_UNDEFINED_LDFLAGS) +svg2png_LDADD = $(top_builddir)/src/libcairo.la \ + $(CAIRO_LDADD) \ + $(LIBRSVG_LIBS) +endif + +if CAIRO_HAS_SPECTRE +check_PROGRAMS += ps2png +ps2png_CFLAGS = $(AM_CFLAGS) $(LIBSPECTRE_CFLAGS) +# add LDADD, so ps2png uses "our" cairo +ps2png_LDFLAGS = $(AM_LDFLAGS) $(CAIRO_TEST_UNDEFINED_LDFLAGS) +ps2png_LDADD = $(top_builddir)/src/libcairo.la \ + $(CAIRO_LDADD) \ + $(LIBSPECTRE_LIBS) +endif + +EXTRA_PROGRAMS += $(TESTS) + +# Do a funny transition of CAIRO_TEST_TARGET through TARGETS such that +# one can limit tested targets both through CAIRO_TEST_TARGET env var +# and TARGETS make var on the command line. Same for the rest. +TARGETS = $(CAIRO_TEST_TARGET) +TARGETS_EXCLUDE = $(CAIRO_TEST_TARGET_EXCLUDE) +FORMAT = $(CAIRO_TEST_TARGET_FORMAT) +NUM_THREADS = $(CAIRO_TEST_NUM_THREADS) +MODE = $(CAIRO_TEST_MODE) + +# Same about ENV vs CAIRO_TEST_ENV. ENV is used with "make run" only +ENV = $(CAIRO_TEST_ENV) + +TESTS_ENVIRONMENT = CAIRO_TEST_MODE="$(MODE)" CAIRO_TEST_TARGET="$(TARGETS)" CAIRO_TEST_TARGET_FORMAT="$(FORMAT)" CAIRO_TEST_TARGET_EXCLUDE="$(TARGETS_EXCLUDE)" CAIRO_TEST_NUM_THREADS="$(NUM_THREADS)" $(ENV) + +EXTRA_VALGRIND_FLAGS = $(CAIRO_EXTRA_VALGRIND_FLAGS) +VALGRIND_FLAGS = \ + --tool=memcheck --suppressions=$(srcdir)/.valgrind-suppressions \ + --track-origins=yes \ + --leak-check=yes --show-reachable=yes \ + $(EXTRA_VALGRIND_FLAGS) + +CLEANFILES += \ + valgrind-log \ + ref.hash \ + ref.list \ + png-test.png \ + png.out.png \ + create-for-stream.pdf \ + create-for-stream.ps \ + create-for-stream.svg \ + svg-surface-source.out.svg \ + pdf-surface-source.out.pdf \ + ps-surface-source.out.ps \ + pdf-features.pdf \ + pdf-mime-data.out* \ + ps-features.ps \ + svg-clip.svg \ + svg-surface.svg \ + multi-page.pdf \ + multi-page.ps \ + $(NULL) + +# This used to be a simple 'echo ${RM} *.ps *.pdf *.svg *.etc', but +# most systems cannot handle all of our clean files together. +# Then it became a fancy find using many GNU extensions, but then the ugly +# reality of portability was raised and it became.... +clean-local: + rm -rf output + -${FIND} . -name '*.log' -print | ${XARGS} ${RM} + -${FIND} . -name '*.[is]' -print | ${XARGS} ${RM} +clean-caches: + -${FIND} output -name '*.fail.*' -print | ${XARGS} ${RM} + -${FIND} output -name '*.pass.*' -print | ${XARGS} ${RM} + +# The following definitions both should work. +#FAILED_TESTS = `grep -l '\<FAIL\>' $(test_sources:.c=.log) 2>/dev/null | sed -e 's/[.]log$$//' | xargs echo` +FAILED_TESTS = `grep -l '\<FAIL\>' $(test_sources:.c=.log) 2>/dev/null | tr '\n' ' ' | sed -e 's/[.]log */ /g; s/^ //; s/ $$//'` + +recheck = check CAIRO_TESTS="$(FAILED_TESTS)" + +# Re-checks all failed tests, i.e. tests with a log file that has a failure +recheck: + @echo Re-checking failed tests + @$(MAKE) $(AM_MAKEFLAGS) $(recheck) + +# Checks tests. +# Target doesn't fail if tests fail. +test: + @$(MAKE) $(AM_MAKEFLAGS) check + +# Re-checks tests. +# Target doesn't fail if tests fail. +retest: + @CAIRO_TESTS="$(FAILED_TESTS)"; \ + $(MAKE) $(AM_MAKEFLAGS) check + +# Run tests under a tool specified by TOOL. For example, make run TOOL=gdb +run: + $(MAKE) $(AM_MAKEFLAGS) check TESTS_ENVIRONMENT='$(TESTS_ENVIRONMENT) $(top_builddir)/libtool --mode=execute env $(TOOL)' + +# Check tests under valgrind. Saves log to valgrind-log +check-valgrind: + $(MAKE) $(AM_MAKEFLAGS) check TESTS_ENVIRONMENT='$(TESTS_ENVIRONMENT) CAIRO_TEST_MODE="$(MODE),foreground CAIRO_TEST_TIMEOUT=0" $(top_builddir)/libtool --mode=execute valgrind $(VALGRIND_FLAGS)' 2>&1 | tee valgrind-log + +#%.log: %.c cairo-test-suite +#-./cairo-test-suite $(<:.c=) + +NOLOG_TESTS_LOG = $(NOLOG_TESTS:=.log) + +$(NOLOG_TESTS_LOG): + @echo dummy > $@ + +# Identify identical reference images +check-ref-dups: check-refs.sh $(top_builddir)/test/pdiff/perceptualdiff + sh $(srcdir)/check-refs.sh $(top_builddir)/test/pdiff/perceptualdiff + +# Remove identical reference images (DANGEROUS) +clean-ref-dups: check-refs.sh $(top_builddir)/test/pdiff/perceptualdiff + sh $(srcdir)/check-refs.sh | cut -d' ' -f2 | while read f; do git rm "reference/$$f"; done + +results.tar: + @tar cf $@ index.html testtable.js *.log output/*.log; \ + for i in output/*.fail.png ; do \ + testname=$${i#output/} ; \ + testname=$${testname%%.*} ; \ + echo tar uf $@ reference/$${testname}*.ref.png $${i%fail.png}out.png $${i%fail.png}diff.png ; \ + tar uf $@ reference/$${testname}*.ref.png $${i%fail.png}out.png $${i%fail.png}diff.png ; \ + done + +results.tar.gz: results.tar + gzip -c $< > $@ + +release-verify-sane-tests: + +.PHONY: check-valgrind test recheck retest check-ref-dups release-verify-sane-tests + +EXTRA_DIST += Makefile.win32 diff --git a/test/Makefile.sources b/test/Makefile.sources new file mode 100644 index 000000000..ccf1a8410 --- /dev/null +++ b/test/Makefile.sources @@ -0,0 +1,446 @@ +test_sources = \ + a1-bug.c \ + a1-clip.c \ + a1-fill.c \ + a1-image-sample.c \ + a1-mask.c \ + a1-mask-sample.c \ + a1-sample.c \ + a1-traps-sample.c \ + a1-rasterisation.c \ + a8-clear.c \ + a8-mask.c \ + aliasing.c \ + alpha-similar.c \ + arc-direction.c \ + arc-infinite-loop.c \ + arc-looping-dash.c \ + api-special-cases.c \ + big-line.c \ + big-empty-box.c \ + big-empty-triangle.c \ + big-little-box.c \ + big-little-triangle.c \ + bug-spline.c \ + big-trap.c \ + bilevel-image.c \ + blur.c \ + bug-40410.c \ + bug-51910.c \ + bug-84115.c \ + bug-bo-rectangular.c \ + bug-bo-collins.c \ + bug-bo-ricotz.c \ + bug-source-cu.c \ + bug-extents.c \ + bug-seams.c \ + caps.c \ + checkerboard.c \ + caps-joins.c \ + caps-joins-alpha.c \ + caps-joins-curve.c \ + caps-tails-curve.c \ + caps-sub-paths.c \ + clear.c \ + clear-source.c \ + clip-all.c \ + clip-complex-bug61592.c \ + clip-complex-shape.c \ + clip-contexts.c \ + clip-disjoint.c \ + clip-disjoint-hatching.c \ + clip-disjoint-quad.c \ + clip-device-offset.c \ + clip-double-free.c \ + clip-draw-unbounded.c \ + clip-empty.c \ + clip-empty-group.c \ + clip-empty-save.c \ + clip-fill.c \ + clip-fill-no-op.c \ + clip-fill-rule.c \ + clip-fill-rule-pixel-aligned.c \ + clip-group-shapes.c \ + clip-image.c \ + clip-intersect.c \ + clip-mixed-antialias.c \ + clip-nesting.c \ + clip-operator.c \ + clip-push-group.c \ + clip-polygons.c \ + clip-rectilinear.c \ + clip-shape.c \ + clip-stroke.c \ + clip-stroke-no-op.c \ + clip-text.c \ + clip-twice.c \ + clip-twice-rectangle.c \ + clip-unbounded.c \ + clip-zero.c \ + clipped-group.c \ + clipped-surface.c \ + close-path.c \ + close-path-current-point.c \ + composite-integer-translate-source.c \ + composite-integer-translate-over.c \ + composite-integer-translate-over-repeat.c \ + copy-disjoint.c \ + copy-path.c \ + coverage.c \ + create-for-stream.c \ + create-from-png.c \ + create-from-png-stream.c \ + culled-glyphs.c \ + curve-to-as-line-to.c \ + dash-caps-joins.c \ + dash-curve.c \ + dash-infinite-loop.c \ + dash-no-dash.c \ + dash-offset.c \ + dash-offset-negative.c \ + dash-scale.c \ + dash-state.c \ + dash-zero-length.c \ + degenerate-arc.c \ + degenerate-arcs.c \ + degenerate-curve-to.c \ + degenerate-dash.c \ + degenerate-linear-gradient.c \ + degenerate-path.c \ + degenerate-pen.c \ + degenerate-radial-gradient.c \ + degenerate-rel-curve-to.c \ + degenerate-solid-dash.c \ + drunkard-tails.c \ + device-offset.c \ + device-offset-fractional.c \ + device-offset-positive.c \ + device-offset-scale.c \ + error-setters.c \ + extend-pad.c \ + extend-pad-border.c \ + extend-pad-similar.c \ + extend-reflect.c \ + extend-reflect-similar.c \ + extend-repeat.c \ + extend-repeat-similar.c \ + extended-blend.c \ + fallback.c \ + fill-alpha.c \ + fill-alpha-pattern.c \ + fill-and-stroke.c \ + fill-and-stroke-alpha.c \ + fill-and-stroke-alpha-add.c \ + fill-degenerate-sort-order.c \ + fill-disjoint.c \ + fill-empty.c \ + fill-image.c \ + fill-missed-stop.c \ + fill-rule.c \ + filter-bilinear-extents.c \ + filter-nearest-offset.c \ + filter-nearest-transformed.c \ + finer-grained-fallbacks.c \ + font-face-get-type.c \ + font-matrix-translation.c \ + font-options.c \ + glyph-cache-pressure.c \ + get-and-set.c \ + get-clip.c \ + get-group-target.c \ + get-path-extents.c \ + gradient-alpha.c \ + gradient-constant-alpha.c \ + gradient-zero-stops.c \ + gradient-zero-stops-mask.c \ + group-clip.c \ + group-paint.c \ + group-state.c \ + group-unaligned.c \ + half-coverage.c \ + halo.c \ + hatchings.c \ + horizontal-clip.c \ + huge-linear.c \ + huge-radial.c \ + image-surface-source.c \ + image-bug-710072.c \ + implicit-close.c \ + infinite-join.c \ + in-fill-empty-trapezoid.c \ + in-fill-trapezoid.c \ + invalid-matrix.c \ + inverse-text.c \ + inverted-clip.c \ + joins.c \ + joins-loop.c \ + joins-star.c \ + joins-retrace.c \ + large-clip.c \ + large-font.c \ + large-source.c \ + large-source-roi.c \ + large-twin-antialias-mixed.c \ + leaky-dash.c \ + leaky-dashed-rectangle.c \ + leaky-dashed-stroke.c \ + leaky-polygon.c \ + line-width.c \ + line-width-large-overlap.c \ + line-width-overlap.c \ + line-width-scale.c \ + line-width-tolerance.c \ + line-width-zero.c \ + linear-gradient.c \ + linear-gradient-extend.c \ + linear-gradient-large.c \ + linear-gradient-one-stop.c \ + linear-gradient-reflect.c \ + linear-gradient-subset.c \ + linear-step-function.c \ + linear-uniform.c \ + long-dashed-lines.c \ + long-lines.c \ + map-to-image.c \ + mask.c \ + mask-alpha.c \ + mask-ctm.c \ + mask-glyphs.c \ + mask-surface-ctm.c \ + mask-transformed-image.c \ + mask-transformed-similar.c \ + mesh-pattern.c \ + mesh-pattern-accuracy.c \ + mesh-pattern-conical.c \ + mesh-pattern-control-points.c \ + mesh-pattern-fold.c \ + mesh-pattern-overlap.c \ + mesh-pattern-transformed.c \ + mime-data.c \ + mime-surface-api.c \ + miter-precision.c \ + move-to-show-surface.c \ + negative-stride-image.c \ + new-sub-path.c \ + nil-surface.c \ + operator.c \ + operator-alpha.c \ + operator-alpha-alpha.c \ + operator-clear.c \ + operator-source.c \ + outline-tolerance.c \ + over-above-source.c \ + over-around-source.c \ + over-below-source.c \ + over-between-source.c \ + overlapping-boxes.c \ + overlapping-glyphs.c \ + overlapping-dash-caps.c \ + paint.c \ + paint-clip-fill.c \ + paint-repeat.c \ + paint-source-alpha.c \ + paint-with-alpha.c \ + paint-with-alpha-group-clip.c \ + partial-clip-text.c \ + partial-coverage.c \ + pass-through.c \ + path-append.c \ + path-currentpoint.c \ + path-stroke-twice.c \ + path-precision.c \ + pattern-get-type.c \ + pattern-getters.c \ + pdf-isolated-group.c \ + pixman-downscale.c \ + pixman-rotate.c \ + png.c \ + push-group.c \ + push-group-color.c \ + push-group-path-offset.c \ + radial-gradient.c \ + radial-gradient-extend.c \ + radial-outer-focus.c \ + random-clips.c \ + random-intersections-eo.c \ + random-intersections-nonzero.c \ + random-intersections-curves-eo.c \ + random-intersections-curves-nz.c \ + raster-source.c \ + record.c \ + record1414x.c \ + record2x.c \ + record90.c \ + recordflip.c \ + record-extend.c \ + record-mesh.c \ + recording-surface-pattern.c \ + recording-surface-extend.c \ + rectangle-rounding-error.c \ + rectilinear-fill.c \ + rectilinear-grid.c \ + rectilinear-miter-limit.c \ + rectilinear-dash.c \ + rectilinear-dash-scale.c \ + rectilinear-stroke.c \ + reflected-stroke.c \ + rel-path.c \ + rgb24-ignore-alpha.c \ + rotate-image-surface-paint.c \ + rotate-stroke-box.c \ + rotated-clip.c \ + rounded-rectangle-fill.c \ + rounded-rectangle-stroke.c \ + sample.c \ + scale-down-source-surface-paint.c \ + scale-offset-image.c \ + scale-offset-similar.c \ + scale-source-surface-paint.c \ + scaled-font-zero-matrix.c \ + stroke-ctm-caps.c \ + stroke-clipped.c \ + stroke-image.c \ + stroke-open-box.c \ + select-font-face.c \ + select-font-no-show-text.c \ + self-copy.c \ + self-copy-overlap.c \ + self-intersecting.c \ + set-source.c \ + show-glyphs-advance.c \ + show-glyphs-many.c \ + show-text-current-point.c \ + shape-general-convex.c \ + shape-sierpinski.c \ + simple.c \ + skew-extreme.c \ + smask.c \ + smask-fill.c \ + smask-image-mask.c \ + smask-mask.c \ + smask-paint.c \ + smask-stroke.c \ + smask-text.c \ + solid-pattern-cache-stress.c \ + source-clip.c \ + source-clip-scale.c \ + source-surface-scale-paint.c \ + spline-decomposition.c \ + stride-12-image.c \ + stroke-pattern.c \ + subsurface.c \ + subsurface-image-repeat.c \ + subsurface-repeat.c \ + subsurface-reflect.c \ + subsurface-pad.c \ + subsurface-modify-child.c \ + subsurface-modify-parent.c \ + subsurface-outside-target.c \ + subsurface-scale.c \ + subsurface-similar-repeat.c \ + surface-finish-twice.c \ + surface-pattern.c \ + surface-pattern-big-scale-down.c \ + surface-pattern-operator.c \ + surface-pattern-scale-down.c \ + surface-pattern-scale-down-extend.c \ + surface-pattern-scale-up.c \ + text-antialias.c \ + text-antialias-subpixel.c \ + text-cache-crash.c \ + text-glyph-range.c \ + text-pattern.c \ + text-rotate.c \ + text-transform.c \ + text-zero-len.c \ + tighten-bounds.c \ + tiger.c \ + toy-font-face.c \ + transforms.c \ + translate-show-surface.c \ + trap-clip.c \ + twin.c \ + twin-antialias-gray.c \ + twin-antialias-mixed.c \ + twin-antialias-none.c \ + twin-antialias-subpixel.c \ + unaligned-box.c \ + unantialiased-shapes.c \ + unbounded-operator.c \ + unclosed-strokes.c \ + user-data.c \ + user-font.c \ + user-font-mask.c \ + user-font-proxy.c \ + user-font-rescale.c \ + world-map.c \ + white-in-noop.c \ + xcb-huge-image-shm.c \ + xcb-huge-subimage.c \ + xcb-stress-cache.c \ + xcb-snapshot-assert.c \ + xcomposite-projection.c \ + xlib-expose-event.c \ + zero-alpha.c \ + zero-mask.c + +pthread_test_sources = \ + pthread-same-source.c \ + pthread-show-text.c \ + pthread-similar.c \ + $(NULL) + +ft_font_test_sources = \ + bitmap-font.c \ + ft-font-create-for-ft-face.c \ + ft-show-glyphs-positioning.c \ + ft-show-glyphs-table.c \ + ft-text-vertical-layout-type1.c \ + ft-text-vertical-layout-type3.c \ + ft-text-antialias-none.c + +egl_surface_test_sources = \ + egl-oversized-surface.c \ + egl-surface-source.c + +quartz_surface_test_sources = quartz-surface-source.c + +pdf_surface_test_sources = \ + pdf-features.c \ + pdf-mime-data.c \ + pdf-surface-source.c + +ps_surface_test_sources = \ + ps-eps.c \ + ps-features.c \ + ps-surface-source.c + +svg_surface_test_sources = \ + svg-surface.c \ + svg-clip.c \ + svg-surface-source.c + +xcb_surface_test_sources = \ + xcb-surface-source.c + +xlib_surface_test_sources = \ + xlib-surface.c \ + xlib-surface-source.c + +xlib_xrender_surface_test_sources = get-xrender-format.c + +multi_page_surface_test_sources = multi-page.c + +fallback_resolution_test_sources = fallback-resolution.c + +cairo_test_suite_headers = \ + buffer-diff.h \ + cairo-test.h \ + cairo-test-private.h \ + world-map.h \ + $(NULL) + +cairo_test_suite_sources = \ + buffer-diff.c \ + cairo-test.c \ + cairo-test-runner.c diff --git a/test/Makefile.win32 b/test/Makefile.win32 new file mode 100644 index 000000000..ba8ea5b86 --- /dev/null +++ b/test/Makefile.win32 @@ -0,0 +1,55 @@ +top_srcdir = .. +include $(top_srcdir)/build/Makefile.win32.common +include $(top_srcdir)/test/Makefile.sources + +CFLAGS += \ + -I$(top_srcdir)/boilerplate \ + -I$(top_srcdir)/util/cairo-script/ \ + -I./pdiff \ + $(NULL) + +TEST_LIBS = \ + ./pdiff/$(CFG)/pdiff.lib \ + $(top_builddir)/boilerplate/$(CFG)/boiler.lib \ + $(top_builddir)/src/$(CFG)/cairo-static.lib \ + $(NULL) + +all: inform $(CFG)/cairo-test-suite.exe + +cairo-test-constructors.c: Makefile.sources Makefile.win32 $(test_sources) make-cairo-test-constructors.sh + sh ./make-cairo-test-constructors.sh $(test_sources) > $@ + +SOURCES = $(cairo_test_suite_sources) $(test_sources) cairo-test-constructors.c + +OBJECTS = $(patsubst %.c, $(CFG)/%-static.obj, $(SOURCES)) + +ANY2PPM_OBJS = \ + $(CFG)/any2ppm-static.obj \ + $(top_builddir)/util/cairo-script/$(CFG)/libcairo-script-interpreter.lib \ + $(top_builddir)/src/$(CFG)/cairo-static.lib \ + $(NULL) + +$(CFG)/cairo-test-suite.exe: $(OBJECTS) $(TEST_LIBS) + @$(LD) $(CAIRO_LDFLAGS) -OUT:$@ $(OBJECTS) $(TEST_LIBS) $(CAIRO_LIBS) + +$(CFG)/any2ppm.exe: $(ANY2PPM_OBJS) + $(LD) $(CAIRO_LDFLAGS) -OUT:$@ $^ $(CAIRO_LIBS) + +./pdiff/$(CFG)/pdiff.lib: + $(MAKE) -C pdiff -f Makefile.win32 + +$(top_builddir)/src/$(CFG)/cairo-static.lib: + $(MAKE) -C $(top_srcdir)/src -f Makefile.win32 + +$(top_builddir)/boilerplate/$(CFG)/boiler.lib: + $(MAKE) -C $(top_srcdir)/boilerplate -f Makefile.win32 + +$(top_builddir)/util/cairo-script/$(CFG)/libcairo-script-interpreter.lib: + $(MAKE) -C $(top_srcdir)/util/cairo-script -f Makefile.win32 + +.PHONY: check test + +check: inform $(CFG)/any2ppm.exe $(CFG)/cairo-test-suite.exe + @ANY2PPM=$(CFG)\\any2ppm.exe $(CFG)/cairo-test-suite.exe + +test: inform check diff --git a/test/README b/test/README new file mode 100644 index 000000000..f1433944b --- /dev/null +++ b/test/README @@ -0,0 +1,319 @@ +Regression test suite for cairo. + +How to use cairo's test suite +============================= +Using this test should be as simple as running: + + make test + +assuming that the cairo distribution in the directory above has been +configured and built. The test suite here goes through some effort to +run against the locally compiled library rather than any installed +version, but those efforts may fall short depending on the level of your +libtool madness. + +The results of the test suite run are summarized in an index.html +file, which, when viewed in a web browser makes it quite easy to +visually see any failed renderings alongside the corresponding +reference image, (and a diff image as well). + +The test suite needs to be run before any code is committed and before +any release. See below for hints and rules governing the use of the suite. + +The test suite is built as a single binary, which allows you to choose +individual or categories of tests to run. For example, if you want to +run all text related tests you can use: + ./cairo-test-suite text +Or if you want to check the current status of known failures: + ./cairo-test-suite XFAIL +Or to run a subset of tests, use the -k option to run only the tests +that include the given keyword: + ./cairo-test-suite -k downscale +The binary also permits controlling which backend is used via the +CAIRO_TEST_TARGET environment variable, so for instance: + CAIRO_TEST_TARGET=gl ./cairo-test-suite -k blur +This binary should be backwards-compatible with all library versions, +allowing you to compare current versus past behaviour for any test. + +Tailoring tests running +----------------------- +There are some mechanisms to limit the tests run during "make test". +These come very handy when doing development, but should not be used +to circumvent the "pass" requirements listed below. + +make's TARGETS environment variable can be used to limit the backends when +running the tests. It should contain a (space-, comma-separated) list of +backends. CAIRO_TESTS environment variable, which is a comma-, space-seperated +lists, can be used to limit the tests run. +For example: + + CAIRO_TESTS="zero-alpha" make test TARGETS=image,ps + +make's FORMAT variable can also be used to limit the content formats when +running the tests. It should contain a (space-, comma-separated) list of +content formats to test. +For example: + + CAIRO_TESTS="zero-alpha" make test TARGETS=image,ps FORMAT="rgb,rgba" + +Another very handy mechanism when trying to fix bugs is: + + make retest + +This will re-run the test suite, but only on tests that failed on the +last run. So this is a much faster way of checking if changes actually +fix bugs rather than running the entire test suite again. + +The test suite first compares the output from the current run against the +previous in order to skip more expensive image comparisons . If you think +this is interfering with the results, you can clear the cached results using: + + make clean-caches + +Running tests under modified environments or tools +------------------------------------------------- +To run tests under a tool like gdb, one can use the run target and +the TOOL variable. For example: + + CAIRO_TESTS=user-font make run TOOL=gdb TARGETS=pdf + +If you want to run under valgrind, there is a specific target for that +that also sets a bunch of useful valgrind options. Try: + + CAIRO_TESTS=user-font make check-valgrind + +You can run tests under a modified environment you can use the ENV +make variable. However, that environment will also affect the libtool +wrapper of the tests. To only affect the actual test binaries, pass +such environment as TOOL: + + CAIRO_TESTS=user-font make run TOOL="LD_PRELOAD=/path/to/something.so" + +Getting the elusive zero failures +--------------------------------- +It's generally been very difficult to achieve a test run with zero +failures. The difficulties stem from the various versions of the many +libraries that the test suite depends on, (it depends on a lot more +than cairo itself), as well as fonts and other system-specific +settings. If your system differs significantly from the system on +which the reference images were generated, then you will likely see +the test suite reporting "failures", (even if cairo is working just +fine). + +We are constantly working to reduce the number of variables that need +to be tweaked to get a clean run, (for example, by bundling fonts with +the test suite itself), and also working to more carefully document +the software configuration used to generate the reference images. + +Here are some of the relevant details: + + * Your system must have a copy of the DejaVu font, the sha1sum of + the version used are listed in [...]. These are + "DejaVu Sans" (DejaVuSans.ttf) [1cd336329f45f241002ded61893d91e3acd04436]; + "DejaVu Sans Mono" (DejaVuSansMono.ttf) [0458c0f0fb57f3eb8ced62f26fe7c5ed4e6a9a68]; + "DejaVu Serif" (DejaVuSerif.ttf) [93502d0d0445d1fe1c9f51e51b3e0169266346ce]; + [the DejaVu fonts can be installed from the ttf-dejavu 2.33-2 Debian package] + and also + "Nimbus Sans L" (n019003l.pfb) + [which can be found in the gsfonts Debian package]. + + * Currently, you must be using a build of cairo using freetype + (cairo-ft) as the default font backend. Otherwise all tests + involving text are likely to fail. + + * To test the pdf backend, you will want the very latest version of + poppler as made available via git: + + git clone git://anongit.freedesktop.org/git/poppler/poppler + + As of this writing, no released version of poppler contains all + the fixes you will need to avoid false negatives from the test + suite. + + * To test the ps backend, you will need ghostscript version 9.04. + + * Testing the xlib backend is problematic since many X server + drivers have bugs that are exercised by the test suite. (Or, if + not actual bugs, differ slightly in their output in such a way + that the test suite will report errors.) This can be quite handy + if you want to debug an X server driver, but since most people + don't want to do that, another option is to run against a headless + X server that uses only software for all rendering. One such X + server is Xvfb which can be started like this: + + Xvfb -screen 0 1680x1024x24 -ac -nolisten tcp :2 + + after which the test suite can be run against it like so: + + DISPLAY=:2 make test + + We have been using Xvfb for testing cairo releases and ensuring + that all tests behave as expected with this X server. + +What if I can't make my system match? +------------------------------------- +For one reason or another, you may be unable to get a clean run of the +test suite even if cairo is working properly, (for example, you might +be on a system without freetype). In this case, it's still useful to +be able to determine if code changes you make to cairo result in any +regressions to the test suite. But it's hard to notice regressions if +there are many failures both before and after your changes. + +For this scenario, you can capture the output of a run of the test +suite before your changes, and then use the CAIRO_REF_DIR environment +variable to use that output as the reference images for a run after +your changes. The process looks like this: + + # Before code change there may be failures we don't care about + make test + + # Let's save those output images + mkdir /some/directory/ + cp -r test/output /some/directory/ + + # hack, hack, hack + + # Now to see if nothing changed: + CAIRO_REF_DIR=/some/directory/ make test + +Best practices for cairo developers +=================================== +If we all follow the guidelines below, then both the test suite and +cairo itself will stay much healthier, and we'll all have a lot more +fun hacking on cairo. + +Before committing +----------------- +All tests should return a result of PASS or XFAIL. The XFAIL results +indicate known bugs. The final message should be one of the following: + + All XX tests behaved as expected (YY expected failures) + All XX tests passed + +If any tests have a status of FAIL, then the new code has caused a +regression error which should be fixed before the code is committed. + +When a new bug is found +----------------------- +A new test case should be added by imitating the style of an existing +test. This means adding the following files: + + new-bug.c + reference/new-bug.ref.png + reference/new-bug.xfail.png + +Where new-bug.c is a minimal program to demonstrate the bug, following +the style of existing tests. The new-bug.ref.png image should contain +the desired result of new-bug.c if the bug were fixed while +new-bug.xfail.png contains the current results of the test. + +Makefile.sources should be edited by adding new-bug.c to test_sources. +And last but not least, don't forget to "git add" the new files. + +When a new feature is added +--------------------------- +It's important for the regression suite to keep pace with development +of the library. So a new test should be added for each new feature. +The work involved is similar the work described above for new bugs. +The only distinction is that the test is expected to pass so it +should not need a new-bug.xfail.png file. + +While working on a test +----------------------- +Before a bugfix or feature is ready, it may be useful to compare +output from different builds. For convenience, you can set +CAIRO_REF_DIR to point at a previous test directory, relative +to the current test directory, and any previous output will be +used by preference as reference images. + +When a bug is fixed +------------------- +The fix should be verified by running the test suite which should +result in an "unexpected pass" for the test of interest. Rejoice as +appropriate, then remove the relevant xfail.png file from git. + +Before releasing +---------------- +All tests should return a result of PASS for all supported (those enabled by +default) backends, meaning all known bugs are fixed, resulting in the happy +message: + + All XX tests passed + +Some notes on limitations in poppler +==================================== +One of the difficulties of our current test infrastructure is that we +rely on external tools to convert cairo's vector output (PDF, +PostScript, and SVG), into an image that can be used for the image +comparison. This means that any bugs in that conversion tool will +result in false negatives in the test suite. + +We've identified several such bugs in the poppler library which is +used to convert PDF to an image. This is particularly discouraging +because 1) poppler is free software that will be used by *many* cairo +users, and 2) poppler calls into cairo for its rendering so it should +be able to do a 100% faithful conversion. + +So we have an interest in ensuring that these poppler bugs get fixed +sooner rather than later. As such, we're trying to be good citizens by +reporting all such poppler bugs that we identify to the poppler +bugzilla. Here's a tracking bug explaining the situation: + + Poppler does not yet handle everything in the cairo test suite + https://bugs.freedesktop.org/show_bug.cgi?id=12143 + +Here's the rule: If a cairo-pdf test reports a failure, but viewing +the resulting PDF file with acroread suggests that the PDF itself is +correct, then there's likely a bug in poppler. In this case, we can +simply report the poppler bug, (making it block 12143 above), post the +PDF result from the test suite, and list the bug in this file. Once +we've done this, we can capture poppler's buggy output as a +pdf-specific reference image (as reference/*.xfail.png) so that the +test suite will regard the test as passing, (and we'll ensure there +is no regression). + +Once the poppler bug gets fixed, the test suite will start reporting a +false negative again, and this will be easy to fix by simply removing +the pdf-specific reference image. + +Here are the reported poppler bugs and the tests they affect: + +Poppler doesn't correctly handle gradients with transparency +https://bugs.freedesktop.org/show_bug.cgi?id=12144 +-------------------------------------------------- +fill-alpha-pattern +gradient-alpha +gradient-constant-alpha +linear-gradient +linear-gradient-reflect +radial-gradient +trap-clip + +Poppler should paint images with CAIRO_EXTEND_PAD +https://bugs.freedesktop.org/show_bug.cgi?id=14578 +-------------------------------------------------- +paint-source-alpha +paint-with-alpha +rotate-image-surface-paint +scale-source-surface-paint + +Incorrect clipping of group object (regression?) +https://bugs.freedesktop.org/show_bug.cgi?id=14580 +-------------------------------------------------- +push-group + +spurious horizontal stripes in color gradients +https://bugs.freedesktop.org/show_bug.cgi?id=10942 +-------------------------------------------------- +smask +smask-fill +smask-image-mask +smask-mask +smask-paint +smask-stroke +smask-text + +Ghostscript does not correctly render small miters +http://bugs.ghostscript.com/show_bug.cgi?id=690098 +-------------------------------------------------- +miter-precision diff --git a/test/a1-bug.c b/test/a1-bug.c new file mode 100644 index 000000000..8e00d40e3 --- /dev/null +++ b/test/a1-bug.c @@ -0,0 +1,61 @@ +/* + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + static const struct point { + double x; + double y; + } xy[] = { + { 627.016212, 221.749777 }, + { 756.120787, 221.749777 }, + { 756.120787, 557.602766 }, + { 626.952721, 557.602766 }, + { 626.548456, 493.315729 }, + }; + unsigned int i; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + for (i = 0; i < ARRAY_LENGTH (xy); i++) + cairo_line_to (cr, xy[i].x, xy[i].y); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill_preserve (cr); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a1_bug, + "Check the fidelity of the rasterisation.", + "a1, raster", /* keywords */ + "target=raster", /* requirements */ + 1000, 800, + NULL, draw) diff --git a/test/a1-clip.c b/test/a1-clip.c new file mode 100644 index 000000000..0e84cd39b --- /dev/null +++ b/test/a1-clip.c @@ -0,0 +1,175 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define POINTS 10 +#define STEP (1.0 / POINTS) +#define PAD 1 +#define WIDTH (PAD + POINTS * 2 + PAD) +#define HEIGHT (WIDTH) + +static cairo_test_status_t +paint (cairo_t *cr, int width, int height) +{ + int i, j; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* Draw in black */ + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_translate (cr, PAD, PAD); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + for (i = 0; i < POINTS; i++) + for (j = 0; j < POINTS; j++) { + cairo_save (cr); + cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +fill_equal (cairo_t *cr, int width, int height) +{ + int i, j; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* Draw in black */ + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_translate (cr, PAD, PAD); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + for (i = 0; i < POINTS; i++) + for (j = 0; j < POINTS; j++) { + cairo_save (cr); + cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1); + cairo_clip_preserve (cr); + cairo_fill (cr); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +fill (cairo_t *cr, int width, int height) +{ + int i, j; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* Draw in black */ + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_translate (cr, PAD, PAD); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + for (i = 0; i < POINTS; i++) + for (j = 0; j < POINTS; j++) { + cairo_save (cr); + cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1); + cairo_clip (cr); + cairo_rectangle (cr, 2 * i, 2 * j, 2, 2); + cairo_fill (cr); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +stroke (cairo_t *cr, int width, int height) +{ + int i, j; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* Draw in black */ + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_translate (cr, PAD, PAD); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + cairo_set_line_width (cr, 2); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + + for (i = 0; i < POINTS; i++) + for (j = 0; j < POINTS; j++) { + cairo_save (cr); + cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1); + cairo_clip (cr); + cairo_move_to (cr, 2 * i, 2 * j + 1); + cairo_line_to (cr, 2 * i + 2, 2 * j + 1); + cairo_stroke (cr); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a1_clip_paint, + "Test sample position when drawing trapezoids with ANTIALIAS_NONE", + "alpha, clip", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, paint) + +CAIRO_TEST (a1_clip_fill, + "Test sample position when drawing trapezoids with ANTIALIAS_NONE", + "alpha, clip", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, fill) + +CAIRO_TEST (a1_clip_fill_equal, + "Test sample position when drawing trapezoids with ANTIALIAS_NONE", + "alpha, clip", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, fill_equal) + +CAIRO_TEST (a1_clip_stroke, + "Test sample position when drawing trapezoids with ANTIALIAS_NONE", + "alpha, clip", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, stroke) diff --git a/test/a1-fill.c b/test/a1-fill.c new file mode 100644 index 000000000..8c8b8c8ae --- /dev/null +++ b/test/a1-fill.c @@ -0,0 +1,67 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* Exercise https://bugs.freedesktop.org/show_bug.cgi?id=31604 */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *a1; + cairo_t *cr2; + + a1 = cairo_image_surface_create (CAIRO_FORMAT_A1, 100, 100); + cr2 = cairo_create (a1); + cairo_surface_destroy (a1); + + cairo_set_operator (cr2, CAIRO_OPERATOR_SOURCE); + cairo_rectangle (cr2, 10, 10, 80, 80); + cairo_set_source_rgb (cr2, 1, 1, 1); + cairo_fill (cr2); + cairo_rectangle (cr2, 20, 20, 60, 60); + cairo_set_source_rgb (cr2, 0, 0, 0); + cairo_fill (cr2); + + a1 = cairo_surface_reference (cairo_get_target (cr2)); + cairo_destroy (cr2); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_mask_surface (cr, a1, 0, 0); + cairo_surface_destroy (a1); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a1_fill, + "Test filling of an a1-surface and use as mask", + "a1, alpha, fill, mask", /* keywords */ + "target=raster", /* requirements */ + 100, 100, + NULL, draw) diff --git a/test/a1-image-sample.c b/test/a1-image-sample.c new file mode 100644 index 000000000..3c349af81 --- /dev/null +++ b/test/a1-image-sample.c @@ -0,0 +1,73 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define POINTS 10 +#define STEP (1.0 / POINTS) +#define PAD 1 +#define WIDTH (PAD + POINTS * 2 + PAD) +#define HEIGHT (WIDTH) + +/* A single, black pixel */ +static const uint32_t black_pixel = 0xff000000; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i, j; + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) &black_pixel, + CAIRO_FORMAT_ARGB32, + 1, 1, 4); + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, PAD, PAD); + + for (i = 0; i < POINTS; i++) + for (j = 0; j < POINTS; j++) { + cairo_set_source_surface (cr, surface, + 2 * i + i * STEP, 2 * j + j * STEP); + cairo_pattern_set_filter (cairo_get_source (cr), + CAIRO_FILTER_NEAREST); + cairo_paint (cr); + } + + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a1_image_sample, + "Test sample position when drawing images with FILTER_NEAREST", + "image, alpha", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/a1-mask-sample.c b/test/a1-mask-sample.c new file mode 100644 index 000000000..4214e8f40 --- /dev/null +++ b/test/a1-mask-sample.c @@ -0,0 +1,83 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define POINTS 10 +#define STEP (1.0 / POINTS) +#define PAD 1 +#define WIDTH (PAD + POINTS * 2 + PAD) +#define HEIGHT (WIDTH) + +/* A single, opaque pixel */ +static const uint32_t black_pixel = 0xffffffff; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_pattern_t *mask; + int i, j; + + surface = cairo_image_surface_create_for_data ((unsigned char *) &black_pixel, + CAIRO_FORMAT_A8, + 1, 1, 4); + mask = cairo_pattern_create_for_surface (surface); + cairo_pattern_set_filter (mask, CAIRO_FILTER_NEAREST); + cairo_surface_destroy (surface); + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, PAD, PAD); + + cairo_set_source_rgb (cr, 0, 0, 0); + for (i = 0; i < POINTS; i++) { + for (j = 0; j < POINTS; j++) { + cairo_matrix_t m; + + cairo_matrix_init_translate (&m, + -(2 * i + i * STEP), + -(2 * j + j * STEP)); + cairo_pattern_set_matrix (mask, &m); + cairo_mask (cr, mask); + } + } + + cairo_pattern_destroy (mask); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a1_mask_sample, + "Test sample position when masking with FILTER_NEAREST", + "image, alpha", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/a1-mask.c b/test/a1-mask.c new file mode 100644 index 000000000..c52aa9dd9 --- /dev/null +++ b/test/a1-mask.c @@ -0,0 +1,202 @@ +/* + * Copyright © Jeff Muizelaar + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JEFF MUIZELAAR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Jeff Muizelaar <jeff@infidigm.net> + * Carl Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define MASK_WIDTH 10 +#define MASK_HEIGHT 8 + +#ifdef WORDS_BIGENDIAN +#define MASK 0x28, 0x55 +#else +#define MASK 0x14, 0xAA +#endif +static unsigned char mask[(MASK_WIDTH + 7) / 8 * MASK_HEIGHT] = { + MASK, + MASK, + MASK, + MASK, + MASK, + MASK, + MASK, + MASK, +}; + +static cairo_test_status_t +check_status (const cairo_test_context_t *ctx, + cairo_status_t status, + cairo_status_t expected) +{ + if (status == expected) + return CAIRO_TEST_SUCCESS; + + cairo_test_log (ctx, + "Error: Expected status value %d (%s), received %d (%s)\n", + expected, + cairo_status_to_string (expected), + status, + cairo_status_to_string (status)); + return CAIRO_TEST_FAILURE; +} + +static cairo_test_status_t +test_surface_with_width_and_stride (const cairo_test_context_t *ctx, + int width, int stride, + cairo_status_t expected) +{ + cairo_test_status_t status; + cairo_surface_t *surface; + cairo_t *cr; + int len; + unsigned char *data; + + cairo_test_log (ctx, + "Creating surface with width %d and stride %d\n", + width, stride); + + len = stride; + if (len < 0) + len = -len; + data = xmalloc (len); + + surface = cairo_image_surface_create_for_data (data, CAIRO_FORMAT_A1, + width, 1, stride); + cr = cairo_create (surface); + + cairo_paint (cr); + + status = check_status (ctx, cairo_surface_status (surface), expected); + if (status) + goto BAIL; + + status = check_status (ctx, cairo_status (cr), expected); + if (status) + goto BAIL; + + BAIL: + cairo_destroy (cr); + cairo_surface_destroy (surface); + free (data); + return status; +} + +static cairo_test_status_t +draw (cairo_t *cr, int dst_width, int dst_height) +{ + unsigned char *mask_aligned; + cairo_surface_t *surface; + + surface = cairo_image_surface_create (CAIRO_FORMAT_A1, + MASK_WIDTH, + MASK_HEIGHT); + + mask_aligned = cairo_image_surface_get_data (surface); + if (mask_aligned != NULL) { + int stride = cairo_image_surface_get_stride (surface), row; + const unsigned char *src = mask; + unsigned char *dst = mask_aligned; + for (row = 0; row < MASK_HEIGHT; row++) { + memcpy (dst, src, (MASK_WIDTH + 7) / 8); + src += (MASK_WIDTH + 7) / 8; + dst += stride; + } + } + cairo_surface_mark_dirty (surface); + + /* Paint background blue */ + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_paint (cr); + + /* Then paint red through our mask */ + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + cairo_mask_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_test_status_t status = CAIRO_TEST_SUCCESS; + int test_width; + + /* first check the API strictness */ + for (test_width = 0; test_width < 40; test_width++) { + int test_stride = (test_width + 7) / 8; + int stride = cairo_format_stride_for_width (CAIRO_FORMAT_A1, + test_width); + cairo_status_t expected; + + /* First create a surface using the width as the stride, + * (most of these should fail). + */ + expected = (stride == test_stride) ? + CAIRO_STATUS_SUCCESS : CAIRO_STATUS_INVALID_STRIDE; + + status = test_surface_with_width_and_stride (ctx, + test_width, + test_stride, + expected); + if (status) + return status; + + status = test_surface_with_width_and_stride (ctx, + test_width, + -test_stride, + expected); + if (status) + return status; + + + /* Then create a surface using the correct stride, + * (should always succeed). + */ + status = test_surface_with_width_and_stride (ctx, + test_width, + stride, + CAIRO_STATUS_SUCCESS); + if (status) + return status; + + status = test_surface_with_width_and_stride (ctx, + test_width, + -stride, + CAIRO_STATUS_SUCCESS); + if (status) + return status; + } + + return status; +} + +CAIRO_TEST (a1_mask, + "test masks of CAIRO_FORMAT_A1", + "alpha, mask", /* keywords */ + NULL, /* requirements */ + MASK_WIDTH, MASK_HEIGHT, + preamble, draw) diff --git a/test/a1-rasterisation.c b/test/a1-rasterisation.c new file mode 100644 index 000000000..b59090ab5 --- /dev/null +++ b/test/a1-rasterisation.c @@ -0,0 +1,101 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* + * Test the fidelity of the rasterisation, paying careful attention to rounding. + */ + +#include "../src/cairo-fixed-type-private.h" +#define PRECISION (int)(1 << CAIRO_FIXED_FRAC_BITS) + +#define WIDTH ((PRECISION/2+1)*3) +#define HEIGHT ((PRECISION/2+1)*3) + +#define SUBPIXEL(v) ((v)/(double)(PRECISION/2)) + +static cairo_test_status_t +rectangles (cairo_t *cr, int width, int height) +{ + int x, y; + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + for (x = 0; x < WIDTH; x += 3) { + for (y = 0; y < HEIGHT; y += 3) { + cairo_rectangle (cr, x + SUBPIXEL (y/3) - .5, y + SUBPIXEL (x/3) - .5, .5, .5); + } + } + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +triangles (cairo_t *cr, int width, int height) +{ + int x, y; + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + for (x = 0; x < WIDTH; x += 3) { + for (y = 0; y < HEIGHT; y += 3) { + /* a rectangle with a diagonal to force tessellation */ + cairo_move_to (cr, x + SUBPIXEL (y/3) - .5, y + SUBPIXEL (x/3) - .5); + cairo_rel_line_to (cr, .5, .5); + cairo_rel_line_to (cr, 0, -.5); + cairo_rel_line_to (cr, -.5, 0); + cairo_rel_line_to (cr, 0, .5); + cairo_rel_line_to (cr, .5, 0); + } + } + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a1_rasterisation_rectangles, + "Check the fidelity of the rasterisation.", + "rasterisation", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, rectangles) + +CAIRO_TEST (a1_rasterisation_triangles, + "Check the fidelity of the rasterisation.", + "rasterisation", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, triangles) diff --git a/test/a1-sample.c b/test/a1-sample.c new file mode 100644 index 000000000..977dfc832 --- /dev/null +++ b/test/a1-sample.c @@ -0,0 +1,59 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH (256) //CAIRO_FIXED_ONE +#define HEIGHT (WIDTH) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i, j; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + cairo_set_source_rgb (cr, 0, 0, 0); + + /* Only the single rectangle that covers the centre pixel should be filled*/ + for (i = 0; i < 256; i++) + for (j = 0; j < 256; j++) { + cairo_rectangle (cr, i + i/256., j + j/256., 1/256., 1/256.); + cairo_fill (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a1_sample, + "Tests unantialiased rendering of a quantum box", + " alpha", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/a1-traps-sample.c b/test/a1-traps-sample.c new file mode 100644 index 000000000..5bb97bb4c --- /dev/null +++ b/test/a1-traps-sample.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define POINTS 10 +#define STEP (1.0 / POINTS) +#define PAD 1 +#define WIDTH (PAD + POINTS * 2 + PAD) +#define HEIGHT (WIDTH) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i, j; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* Draw in black */ + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_translate (cr, PAD, PAD); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + for (i = 0; i < POINTS; i++) + for (j = 0; j < POINTS; j++) { + cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1); + cairo_fill (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a1_traps_sample, + "Test sample position when drawing trapezoids with ANTIALIAS_NONE", + "alpha, traps", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/a8-clear.c b/test/a8-clear.c new file mode 100644 index 000000000..1459f833e --- /dev/null +++ b/test/a8-clear.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + * + * Based on a bug snippet by Jeremy Moles <jeremy@emperorlinux.com> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *mask; + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + cairo_push_group_with_content (cr, CAIRO_CONTENT_ALPHA); + { + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, width, height); + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + cairo_set_line_width (cr, 10); + cairo_stroke (cr); + } + mask = cairo_pop_group (cr); + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_mask (cr, mask); + cairo_pattern_destroy (mask); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (a8_clear, + "Test clear on an a8 surface", + "a8, clear", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) + diff --git a/test/a8-mask.c b/test/a8-mask.c new file mode 100644 index 000000000..ec708121e --- /dev/null +++ b/test/a8-mask.c @@ -0,0 +1,201 @@ +/* + * Copyright © Jeff Muizelaar + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JEFF MUIZELAAR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Jeff Muizelaar <jeff@infidigm.net> + * Carl Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define MASK_WIDTH 8 +#define MASK_HEIGHT 8 + +static unsigned char mask[MASK_WIDTH * MASK_HEIGHT] = { + 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, + 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, + 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, + 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, + 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, + 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, + 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, + 0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0, 0x0, +}; + +static cairo_test_status_t +check_status (const cairo_test_context_t *ctx, + cairo_status_t status, + cairo_status_t expected) +{ + if (status == expected) + return CAIRO_TEST_SUCCESS; + + cairo_test_log (ctx, + "Error: Expected status value %d (%s), received %d (%s)\n", + expected, + cairo_status_to_string (expected), + status, + cairo_status_to_string (status)); + return CAIRO_TEST_FAILURE; +} + +static cairo_test_status_t +test_surface_with_width_and_stride (const cairo_test_context_t *ctx, + int width, int stride, + cairo_status_t expected) +{ + cairo_test_status_t status; + cairo_surface_t *surface; + cairo_t *cr; + int len; + unsigned char *data; + + cairo_test_log (ctx, + "Creating surface with width %d and stride %d\n", + width, stride); + + len = stride; + if (len < 0) + len = -len; + data = xmalloc (len); + + surface = cairo_image_surface_create_for_data (data, CAIRO_FORMAT_A8, + width, 1, stride); + cr = cairo_create (surface); + + cairo_paint (cr); + + status = check_status (ctx, cairo_surface_status (surface), expected); + if (status) + goto BAIL; + + status = check_status (ctx, cairo_status (cr), expected); + if (status) + goto BAIL; + + BAIL: + cairo_destroy (cr); + cairo_surface_destroy (surface); + free (data); + return status; +} + +static cairo_test_status_t +draw (cairo_t *cr, int dst_width, int dst_height) +{ + int stride, row; + unsigned char *src, *dst, *mask_aligned; + cairo_surface_t *surface; + + /* Now test actually drawing through our mask data, allocating and + * copying with the proper stride. */ + stride = cairo_format_stride_for_width (CAIRO_FORMAT_A8, + MASK_WIDTH); + + mask_aligned = xmalloc (stride * MASK_HEIGHT); + + src = mask; + dst = mask_aligned; + for (row = 0; row < MASK_HEIGHT; row++) { + memcpy (dst, src, MASK_WIDTH); + src += MASK_WIDTH; + dst += stride; + } + + surface = cairo_image_surface_create_for_data (mask_aligned, + CAIRO_FORMAT_A8, + MASK_WIDTH, + MASK_HEIGHT, + stride); + + /* Paint background blue */ + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_paint (cr); + + /* Then paint red through our mask */ + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + cairo_mask_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + + free (mask_aligned); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_test_status_t status = CAIRO_TEST_SUCCESS; + int test_width; + + for (test_width = 0; test_width < 40; test_width++) { + int stride = cairo_format_stride_for_width (CAIRO_FORMAT_A8, + test_width); + cairo_status_t expected; + + /* First create a surface using the width as the stride, + * (most of these should fail). + */ + expected = (stride == test_width) ? + CAIRO_STATUS_SUCCESS : CAIRO_STATUS_INVALID_STRIDE; + + status = test_surface_with_width_and_stride (ctx, + test_width, + test_width, + expected); + if (status) + return status; + + status = test_surface_with_width_and_stride (ctx, + test_width, + -test_width, + expected); + if (status) + return status; + + + /* Then create a surface using the correct stride, + * (should always succeed). + */ + status = test_surface_with_width_and_stride (ctx, + test_width, + stride, + CAIRO_STATUS_SUCCESS); + if (status) + return status; + + status = test_surface_with_width_and_stride (ctx, + test_width, + -stride, + CAIRO_STATUS_SUCCESS); + if (status) + return status; + } + + return status; +} + +CAIRO_TEST (a8_mask, + "test masks of CAIRO_FORMAT_A8", + "alpha, mask", /* keywords */ + NULL, /* requirements */ + 8, 8, + preamble, draw) diff --git a/test/aliasing.c b/test/aliasing.c new file mode 100644 index 000000000..73c1f1ae2 --- /dev/null +++ b/test/aliasing.c @@ -0,0 +1,100 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* A fun little test to explore color fringing in various experimental + * subpixel rasterisation techniques. + */ + +#define WIDTH 60 +#define HEIGHT 40 + +static const struct color { + double red, green, blue; +} color[] = { + { 1, 1, 1 }, + { 0, 0, 0 }, + { 1, 0, 0 }, + { 0, 1, 0 }, + { 0, 0, 1 }, + { 1, 1, 0 }, + { 0, 1, 1 }, + { 1, 0, 1 }, + { .5, .5, .5 }, +}; + +#define NUM_COLORS ARRAY_LENGTH (color) + +static void +object (cairo_t *cr, const struct color *fg, const struct color *bg) +{ + cairo_set_source_rgb (cr, bg->red, bg->green, bg->blue); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_fill (cr); + + cairo_set_source_rgb (cr, fg->red, fg->green, fg->blue); + cairo_save (cr); + cairo_scale (cr, WIDTH, HEIGHT); + cairo_arc (cr, .5, .5, .5 - 4. / MAX (WIDTH, HEIGHT), 0, 2 * M_PI); + cairo_fill (cr); + cairo_arc (cr, .5, .5, .5 - 2. / MAX (WIDTH, HEIGHT), 0, 2 * M_PI); + cairo_restore (cr); + cairo_set_line_width (cr, 1.); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, bg->red, bg->green, bg->blue); + cairo_set_line_width (cr, 4.); + cairo_move_to (cr, 4, HEIGHT-4); + cairo_line_to (cr, WIDTH-12, 4); + cairo_move_to (cr, 12, HEIGHT-4); + cairo_line_to (cr, WIDTH-4, 4); + cairo_stroke (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + unsigned int i, j; + + for (i = 0; i < NUM_COLORS; i++) { + for (j = 0; j < NUM_COLORS; j++) { + cairo_save (cr); + cairo_translate (cr, i * WIDTH, j * HEIGHT); + object (cr, &color[i], &color[j]); + cairo_restore (cr); + } + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (aliasing, + "Check for subpixel aliasing and color fringing", + "rasterisation", /* keywords */ + "target=raster", /* requirements */ + NUM_COLORS * WIDTH, NUM_COLORS * HEIGHT, + NULL, draw) diff --git a/test/alpha-similar.c b/test/alpha-similar.c new file mode 100644 index 000000000..86c6ae39d --- /dev/null +++ b/test/alpha-similar.c @@ -0,0 +1,74 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_surface_t * +create_source (cairo_surface_t *target, int width, int height) +{ + cairo_surface_t *similar; + cairo_t *cr; + + similar = cairo_surface_create_similar (target, + CAIRO_CONTENT_ALPHA, + width, height); + cr = cairo_create (similar); + cairo_surface_destroy (similar); + + cairo_set_source_rgba (cr, 1, 0, 0, .5); + cairo_paint (cr); + + similar = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return similar; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *source; + + source = create_source (cairo_get_target (cr), width, height); + cairo_set_source_surface (cr, source, 0, 0); + cairo_surface_destroy (source); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +/* + * XFAIL: discrepancy between backends in applying color components of a pure + * alpha surface + */ +CAIRO_TEST (alpha_similar, + "Tests creation of similar alpha surfaces" + "\nApplication of a pure-alpha similar source is inconsistent across backends.", + "alpha, similar", /* keywords */ + NULL, /* requirements */ + 10, 10, + NULL, draw) + diff --git a/test/any2ppm.c b/test/any2ppm.c new file mode 100644 index 000000000..b60b4d959 --- /dev/null +++ b/test/any2ppm.c @@ -0,0 +1,894 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + * + * Contributor(s): + * Carlos Garcia Campos <carlosgc@gnome.org> + * + * Adapted from pdf2png.c: + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#if HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <cairo.h> +#include <cairo-script-interpreter.h> + +#if CAIRO_CAN_TEST_PDF_SURFACE +#include <poppler.h> +#endif + +#if CAIRO_CAN_TEST_SVG_SURFACE +#include <librsvg/rsvg.h> +#ifndef RSVG_CAIRO_H +#include <librsvg/rsvg-cairo.h> +#endif +#endif + +#if CAIRO_HAS_SPECTRE +#include <libspectre/spectre.h> +#endif + +#include <errno.h> + +#if HAVE_FCNTL_H +#include <fcntl.h> +#endif + +#if HAVE_UNISTD_H && HAVE_SIGNAL_H && HAVE_SYS_STAT_H && HAVE_SYS_SOCKET_H && HAVE_SYS_POLL_H && HAVE_SYS_UN_H +#include <signal.h> +#include <sys/stat.h> +#include <sys/socket.h> +#include <sys/poll.h> +#include <sys/un.h> + +#define SOCKET_PATH "./.any2ppm" +#define TIMEOUT 60000 /* 60 seconds */ + +#if HAVE_FORK +#define CAN_RUN_AS_DAEMON 1 +#endif +#endif + +#define ARRAY_LENGTH(__array) ((int) (sizeof (__array) / sizeof (__array[0]))) + +static int +_cairo_writen (int fd, char *buf, int len) +{ + while (len) { + int ret; + + ret = write (fd, buf, len); + if (ret == -1) { + int err = errno; + switch (err) { + case EINTR: + case EAGAIN: + continue; + default: + return 0; + } + } + len -= ret; + buf += ret; + } + + return 1; +} + +static int +_cairo_write (int fd, + char *buf, int maxlen, int buflen, + const unsigned char *src, int srclen) +{ + if (buflen < 0) + return buflen; + + while (srclen) { + int len; + + len = buflen + srclen; + if (len > maxlen) + len = maxlen; + len -= buflen; + + memcpy (buf + buflen, src, len); + buflen += len; + srclen -= len; + src += len; + + if (buflen == maxlen) { + if (! _cairo_writen (fd, buf, buflen)) + return -1; + + buflen = 0; + } + } + + return buflen; +} + +static const char * +write_ppm (cairo_surface_t *surface, int fd) +{ + char buf[4096]; + cairo_format_t format; + const char *format_str; + const unsigned char *data; + int len; + int width, height, stride; + int i, j; + + data = cairo_image_surface_get_data (surface); + height = cairo_image_surface_get_height (surface); + width = cairo_image_surface_get_width (surface); + stride = cairo_image_surface_get_stride (surface); + format = cairo_image_surface_get_format (surface); + if (format == CAIRO_FORMAT_ARGB32) { + /* see if we can convert to a standard ppm type and trim a few bytes */ + const unsigned char *alpha = data; + for (j = height; j--; alpha += stride) { + for (i = 0; i < width; i++) { + if ((*(unsigned int *) (alpha+4*i) & 0xff000000) != 0xff000000) + goto done; + } + } + format = CAIRO_FORMAT_RGB24; + done: ; + } + + switch (format) { + case CAIRO_FORMAT_ARGB32: + /* XXX need true alpha for svg */ + format_str = "P7"; + break; + case CAIRO_FORMAT_RGB24: + format_str = "P6"; + break; + case CAIRO_FORMAT_A8: + format_str = "P5"; + break; + case CAIRO_FORMAT_A1: + case CAIRO_FORMAT_RGB16_565: + case CAIRO_FORMAT_RGB30: + case CAIRO_FORMAT_INVALID: + default: + return "unhandled image format"; + } + + len = sprintf (buf, "%s %d %d 255\n", format_str, width, height); + for (j = 0; j < height; j++) { + const unsigned int *row = (unsigned int *) (data + stride * j); + + switch ((int) format) { + case CAIRO_FORMAT_ARGB32: + len = _cairo_write (fd, + buf, sizeof (buf), len, + (unsigned char *) row, 4 * width); + break; + case CAIRO_FORMAT_RGB24: + for (i = 0; i < width; i++) { + unsigned char rgb[3]; + unsigned int p = *row++; + rgb[0] = (p & 0xff0000) >> 16; + rgb[1] = (p & 0x00ff00) >> 8; + rgb[2] = (p & 0x0000ff) >> 0; + len = _cairo_write (fd, + buf, sizeof (buf), len, + rgb, 3); + } + break; + case CAIRO_FORMAT_A8: + len = _cairo_write (fd, + buf, sizeof (buf), len, + (unsigned char *) row, width); + break; + } + if (len < 0) + return "write failed"; + } + + if (len && ! _cairo_writen (fd, buf, len)) + return "write failed"; + + return NULL; +} + +static cairo_surface_t * +_create_image (void *closure, + cairo_content_t content, + double width, double height, + long uid) +{ + cairo_surface_t **out = closure; + cairo_format_t format; + switch (content) { + case CAIRO_CONTENT_ALPHA: + format = CAIRO_FORMAT_A8; + break; + case CAIRO_CONTENT_COLOR: + format = CAIRO_FORMAT_RGB24; + break; + default: + case CAIRO_CONTENT_COLOR_ALPHA: + format = CAIRO_FORMAT_ARGB32; + break; + } + *out = cairo_image_surface_create (format, width, height); + return cairo_surface_reference (*out); +} + +#if CAIRO_HAS_INTERPRETER +static const char * +_cairo_script_render_page (const char *filename, + cairo_surface_t **surface_out) +{ + cairo_script_interpreter_t *csi; + cairo_surface_t *surface = NULL; + cairo_status_t status; + const cairo_script_interpreter_hooks_t hooks = { + &surface, + _create_image, + NULL, /* surface_destroy */ + NULL, /* context_create */ + NULL, /* context_destroy */ + NULL, /* show_page */ + NULL /* copy_page */ + }; + + csi = cairo_script_interpreter_create (); + cairo_script_interpreter_install_hooks (csi, &hooks); + status = cairo_script_interpreter_run (csi, filename); + if (status) { + cairo_surface_destroy (surface); + surface = NULL; + } + status = cairo_script_interpreter_destroy (csi); + if (surface == NULL) + return "cairo-script interpreter failed"; + + if (status == CAIRO_STATUS_SUCCESS) + status = cairo_surface_status (surface); + if (status) { + cairo_surface_destroy (surface); + return cairo_status_to_string (status); + } + + *surface_out = surface; + return NULL; +} + +static const char * +cs_convert (char **argv, int fd) +{ + const char *err; + cairo_surface_t *surface = NULL; /* silence compiler warning */ + + err = _cairo_script_render_page (argv[0], &surface); + if (err != NULL) + return err; + + err = write_ppm (surface, fd); + cairo_surface_destroy (surface); + + return err; +} +#else +static const char * +cs_convert (char **argv, int fd) +{ + return "compiled without CairoScript support."; +} +#endif + +#if CAIRO_CAN_TEST_PDF_SURFACE +/* adapted from pdf2png.c */ +static const char * +_poppler_render_page (const char *filename, + const char *page_label, + cairo_surface_t **surface_out) +{ + PopplerDocument *document; + PopplerPage *page; + double width, height; + GError *error = NULL; + gchar *absolute, *uri; + cairo_surface_t *surface; + cairo_t *cr; + cairo_status_t status; + + if (g_path_is_absolute (filename)) { + absolute = g_strdup (filename); + } else { + gchar *dir = g_get_current_dir (); + absolute = g_build_filename (dir, filename, (gchar *) 0); + g_free (dir); + } + + uri = g_filename_to_uri (absolute, NULL, &error); + g_free (absolute); + if (uri == NULL) + return error->message; /* XXX g_error_free (error) */ + + document = poppler_document_new_from_file (uri, NULL, &error); + g_free (uri); + if (document == NULL) + return error->message; /* XXX g_error_free (error) */ + + page = poppler_document_get_page_by_label (document, page_label); + g_object_unref (document); + if (page == NULL) + return "page not found"; + + poppler_page_get_size (page, &width, &height); + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height); + cr = cairo_create (surface); + + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR_ALPHA); + + poppler_page_render (page, cr); + g_object_unref (page); + + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + status = cairo_status (cr); + cairo_destroy (cr); + + if (status) { + cairo_surface_destroy (surface); + return cairo_status_to_string (status); + } + + *surface_out = surface; + return NULL; +} + +static const char * +pdf_convert (char **argv, int fd) +{ + const char *err; + cairo_surface_t *surface = NULL; /* silence compiler warning */ + + err = _poppler_render_page (argv[0], argv[1], &surface); + if (err != NULL) + return err; + + err = write_ppm (surface, fd); + cairo_surface_destroy (surface); + + return err; +} +#else +static const char * +pdf_convert (char **argv, int fd) +{ + return "compiled without PDF support."; +} +#endif + +#if CAIRO_CAN_TEST_SVG_SURFACE +static const char * +_rsvg_render_page (const char *filename, + cairo_surface_t **surface_out) +{ + RsvgHandle *handle; + RsvgDimensionData dimensions; + GError *error = NULL; + cairo_surface_t *surface; + cairo_t *cr; + cairo_status_t status; + + handle = rsvg_handle_new_from_file (filename, &error); + if (handle == NULL) + return error->message; /* XXX g_error_free */ + + rsvg_handle_get_dimensions (handle, &dimensions); + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + dimensions.width, + dimensions.height); + cr = cairo_create (surface); + + rsvg_handle_render_cairo (handle, cr); + g_object_unref (handle); + + status = cairo_status (cr); + cairo_destroy (cr); + + if (status) { + cairo_surface_destroy (surface); + return cairo_status_to_string (status); + } + + *surface_out = surface; + return NULL; +} + +static const char * +svg_convert (char **argv, int fd) +{ + const char *err; + cairo_surface_t *surface = NULL; /* silence compiler warning */ + + err = _rsvg_render_page (argv[0], &surface); + if (err != NULL) + return err; + + err = write_ppm (surface, fd); + cairo_surface_destroy (surface); + + return err; +} +#else +static const char * +svg_convert (char **argv, int fd) +{ + return "compiled without SVG support."; +} +#endif + +#if CAIRO_HAS_SPECTRE +static const char * +_spectre_render_page (const char *filename, + const char *page_label, + cairo_surface_t **surface_out) +{ + static const cairo_user_data_key_t key; + + SpectreDocument *document; + SpectreStatus status; + int width, height, stride; + unsigned char *pixels; + cairo_surface_t *surface; + + document = spectre_document_new (); + spectre_document_load (document, filename); + status = spectre_document_status (document); + if (status) { + spectre_document_free (document); + return spectre_status_to_string (status); + } + + if (page_label) { + SpectrePage *page; + SpectreRenderContext *rc; + + page = spectre_document_get_page_by_label (document, page_label); + spectre_document_free (document); + if (page == NULL) + return "page not found"; + + spectre_page_get_size (page, &width, &height); + rc = spectre_render_context_new (); + spectre_render_context_set_page_size (rc, width, height); + spectre_page_render (page, rc, &pixels, &stride); + spectre_render_context_free (rc); + status = spectre_page_status (page); + spectre_page_free (page); + if (status) { + free (pixels); + return spectre_status_to_string (status); + } + } else { + spectre_document_get_page_size (document, &width, &height); + spectre_document_render (document, &pixels, &stride); + spectre_document_free (document); + } + + surface = cairo_image_surface_create_for_data (pixels, + CAIRO_FORMAT_RGB24, + width, height, + stride); + cairo_surface_set_user_data (surface, &key, + pixels, (cairo_destroy_func_t) free); + *surface_out = surface; + return NULL; +} + +static const char * +ps_convert (char **argv, int fd) +{ + const char *err; + cairo_surface_t *surface = NULL; /* silence compiler warning */ + + err = _spectre_render_page (argv[0], argv[1], &surface); + if (err != NULL) + return err; + + err = write_ppm (surface, fd); + cairo_surface_destroy (surface); + + return err; +} +#else +static const char * +ps_convert (char **argv, int fd) +{ + return "compiled without PostScript support."; +} +#endif + +static const char * +convert (char **argv, int fd) +{ + static const struct converter { + const char *type; + const char *(*func) (char **, int); + } converters[] = { + { "cs", cs_convert }, + { "pdf", pdf_convert }, + { "ps", ps_convert }, + { "svg", svg_convert }, + { NULL, NULL } + }; + const struct converter *converter = converters; + char *type; + + type = strrchr (argv[0], '.'); + if (type == NULL) + return "no file extension"; + type++; + + while (converter->type) { + if (strcmp (type, converter->type) == 0) + return converter->func (argv, fd); + converter++; + } + return "no converter"; +} + +#if CAN_RUN_AS_DAEMON +static int +_getline (int fd, char **linep, size_t *lenp) +{ + char *line; + size_t len, i; + ssize_t ret; + + line = *linep; + if (line == NULL) { + line = malloc (1024); + if (line == NULL) + return -1; + line[0] = '\0'; + len = 1024; + } else + len = *lenp; + + /* XXX simple, but ugly! */ + i = 0; + do { + if (i == len - 1) { + char *nline; + + nline = realloc (line, len + 1024); + if (nline == NULL) + goto out; + + line = nline; + len += 1024; + } + + ret = read (fd, line + i, 1); + if (ret == -1 || ret == 0) + goto out; + } while (line[i++] != '\n'); + +out: + line[i] = '\0'; + *linep = line; + *lenp = len; + return i-1; +} + +static int +split_line (char *line, char *argv[], int max_argc) +{ + int i = 0; + + max_argc--; /* leave one spare for the trailing NULL */ + + argv[i++] = line; + while (i < max_argc && (line = strchr (line, ' ')) != NULL) { + *line++ = '\0'; + argv[i++] = line; + } + + /* chomp the newline */ + line = strchr (argv[i-1], '\n'); + if (line != NULL) + *line = '\0'; + + argv[i] = NULL; + + return i; +} + +static int +any2ppm_daemon_exists (void) +{ + struct stat st; + int fd; + char buf[80]; + int pid; + int ret; + + if (stat (SOCKET_PATH, &st) < 0) + return 0; + + fd = open (SOCKET_PATH ".pid", O_RDONLY); + if (fd < 0) + return 0; + + pid = 0; + ret = read (fd, buf, sizeof (buf) - 1); + if (ret > 0) { + buf[ret] = '\0'; + pid = atoi (buf); + } + close (fd); + + return pid > 0 && kill (pid, 0) == 0; +} + +static int +write_pid_file (void) +{ + int fd; + char buf[80]; + int ret; + + fd = open (SOCKET_PATH ".pid", O_CREAT | O_TRUNC | O_WRONLY, 0666); + if (fd < 0) + return 0; + + ret = sprintf (buf, "%d\n", getpid ()); + ret = write (fd, buf, ret) == ret; + close (fd); + + return ret; +} + +static int +open_devnull_to_fd (int want_fd, int flags) +{ + int error; + int got_fd; + + close (want_fd); + + got_fd = open("/dev/null", flags | O_CREAT, 0700); + if (got_fd == -1) + return -1; + + error = dup2 (got_fd, want_fd); + close (got_fd); + + return error; +} + +static int +daemonize (void) +{ + void (*oldhup) (int); + + /* Let the parent go. */ + switch (fork ()) { + case -1: return -1; + case 0: break; + default: _exit (0); + } + + /* Become session leader. */ + if (setsid () == -1) + return -1; + + /* Refork to yield session leadership. */ + oldhup = signal (SIGHUP, SIG_IGN); + + switch (fork ()) { /* refork to yield session leadership. */ + case -1: return -1; + case 0: break; + default: _exit (0); + } + + signal (SIGHUP, oldhup); + + /* Establish stdio. */ + if (open_devnull_to_fd (0, O_RDONLY) == -1) + return -1; + if (open_devnull_to_fd (1, O_WRONLY | O_APPEND) == -1) + return -1; + if (dup2 (1, 2) == -1) + return -1; + + return 0; +} + +static const char * +any2ppm_daemon (void) +{ + int timeout = TIMEOUT; + struct pollfd pfd; + int sk, fd; + long flags; + struct sockaddr_un addr; + char *line = NULL; + size_t len = 0; + +#ifdef SIGPIPE + signal (SIGPIPE, SIG_IGN); +#endif + + /* XXX racy! */ + if (getenv ("ANY2PPM_FORCE") == NULL && any2ppm_daemon_exists ()) + return "any2ppm daemon already running"; + + unlink (SOCKET_PATH); + + sk = socket (PF_UNIX, SOCK_STREAM, 0); + if (sk == -1) + return "unable to create socket"; + + memset (&addr, 0, sizeof (addr)); + addr.sun_family = AF_UNIX; + strcpy (addr.sun_path, SOCKET_PATH); + if (bind (sk, (struct sockaddr *) &addr, sizeof (addr)) == -1) { + close (sk); + return "unable to bind socket"; + } + + flags = fcntl (sk, F_GETFL); + if (flags == -1 || fcntl (sk, F_SETFL, flags | O_NONBLOCK) == -1) { + close (sk); + return "unable to set socket to non-blocking"; + } + + if (listen (sk, 5) == -1) { + close (sk); + return "unable to listen on socket"; + } + + /* ready for client connection - detach from parent/terminal */ + if (getenv ("ANY2PPM_NODAEMON") == NULL && daemonize () == -1) { + close (sk); + return "unable to detach from parent"; + } + + if (! write_pid_file ()) { + close (sk); + return "unable to write pid file"; + } + + if (getenv ("ANY2PPM_TIMEOUT") != NULL) { + timeout = atoi (getenv ("ANY2PPM_TIMEOUT")); + if (timeout == 0) + timeout = -1; + if (timeout > 0) + timeout *= 1000; /* convert env (in seconds) to milliseconds */ + } + + pfd.fd = sk; + pfd.events = POLLIN; + pfd.revents = 0; /* valgrind */ + while (poll (&pfd, 1, timeout) > 0) { + while ((fd = accept (sk, NULL, NULL)) != -1) { + if (_getline (fd, &line, &len) != -1) { + char *argv[10]; + + if (split_line (line, argv, ARRAY_LENGTH (argv)) > 0) { + const char *err; + + err = convert (argv, fd); + if (err != NULL) { + FILE *file = fopen (".any2ppm.errors", "a"); + if (file != NULL) { + fprintf (file, + "Failed to convert '%s': %s\n", + argv[0], err); + fclose (file); + } + } + } + } + close (fd); + } + } + close (sk); + unlink (SOCKET_PATH); + unlink (SOCKET_PATH ".pid"); + + free (line); + return NULL; +} +#else +static const char * +any2ppm_daemon (void) +{ + return "daemon not compiled in."; +} +#endif + +int +main (int argc, char **argv) +{ + const char *err; + +#if CAIRO_CAN_TEST_PDF_SURFACE || CAIRO_CAN_TEST_SVG_SURFACE +#if GLIB_MAJOR_VERSION <= 2 && GLIB_MINOR_VERSION <= 34 + g_type_init (); +#endif +#endif + +#if CAIRO_CAN_TEST_SVG_SURFACE + rsvg_set_default_dpi (72.0); +#endif + +#if defined(_WIN32) && !defined (__CYGWIN__) + _setmode (1, _O_BINARY); +#endif + + if (argc == 1) + err = any2ppm_daemon (); + else + err = convert (argv + 1, 1); + if (err != NULL) { + fprintf (stderr, "Failed to run converter: %s\n", err); + return EXIT_FAILURE; + } + + return EXIT_SUCCESS; +} diff --git a/test/api-special-cases.c b/test/api-special-cases.c new file mode 100644 index 000000000..c4a754dee --- /dev/null +++ b/test/api-special-cases.c @@ -0,0 +1,1989 @@ +/* + * Copyright © 2010 Red Hat Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Benjamin Otte <otte@redhat.com> + */ + +/* + * WHAT THIS TEST DOES + * + * This test tests that for all public APIs Cairo behaves correct, consistent + * and most of all doesn't crash. It does this by calling all APIs that take + * surfaces or contexts and calling them on specially prepared arguments that + * should fail when called on this function. + * + * ADDING NEW FUNCTIONS + * + * You need (for adding the function cairo_surface_foo): + * 1) A surface_test_func_t named test_cairo_surface_foo that gets passed the + * prepared surface and has the job of calling the function and checking + * the return value (if one exists) for correctness. The top of this file + * contains all these shim functions. + * 2) Knowledge if the function behaves like a setter or like a getter. A + * setter should set an error status on the surface, a getter does not + * modify the function. + * 3) Knowledge if the function only works for a specific surface type and for + * which one. + * 4) An entry in the tests array using the TEST() macro. It takes as arguments: + * - The function name + * - TRUE if the function modifies the surface, FALSE otherwise + * - the surface type for which the function is valid or -1 if it is valid + * for all surface types. + * + * FIXING FAILURES + * + * The test will dump failures notices into the api-special-cases.log file (when + * it doesn't crash). These should be pretty self-explanatory. Usually it is + * enough to just add a new check to the function it complained about. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <assert.h> +#include <limits.h> + +#include "cairo-test.h" + +#if CAIRO_HAS_GL_SURFACE +#include <cairo-gl.h> +#endif +#if CAIRO_HAS_OS2_SURFACE +#include <cairo-os2.h> +#endif +#if CAIRO_HAS_PDF_SURFACE +#include <cairo-pdf.h> +#endif +#if CAIRO_HAS_PS_SURFACE +#include <cairo-ps.h> +#endif +#if CAIRO_HAS_QUARTZ_SURFACE +#define Cursor QuartzCursor +#include <cairo-quartz.h> +#undef Cursor +#endif +#if CAIRO_HAS_SVG_SURFACE +#include <cairo-svg.h> +#endif +#if CAIRO_HAS_TEE_SURFACE +#include <cairo-tee.h> +#endif +#if CAIRO_HAS_XCB_SURFACE +#include <cairo-xcb.h> +#endif +#if CAIRO_HAS_XLIB_SURFACE +#define Cursor XCursor +#include <cairo-xlib.h> +#undef Cursor +#endif + +#define surface_has_type(surface,type) (cairo_surface_get_type (surface) == (type)) + +typedef cairo_test_status_t (* surface_test_func_t) (cairo_surface_t *surface); +typedef cairo_test_status_t (* context_test_func_t) (cairo_t *cr); + +static cairo_test_status_t +test_cairo_reference (cairo_t *cr) +{ + cairo_destroy (cairo_reference (cr)); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_reference_count (cairo_t *cr) +{ + unsigned int refcount = cairo_get_reference_count (cr); + if (refcount > 0) + return CAIRO_TEST_SUCCESS; + /* inert error context have a refcount of 0 */ + return cairo_status (cr) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_set_user_data (cairo_t *cr) +{ + static cairo_user_data_key_t key; + cairo_status_t status; + + status = cairo_set_user_data (cr, &key, &key, NULL); + if (status == CAIRO_STATUS_NO_MEMORY) + return CAIRO_TEST_NO_MEMORY; + else if (status) + return CAIRO_TEST_SUCCESS; + + if (cairo_get_user_data (cr, &key) != &key) + return CAIRO_TEST_ERROR; + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_save (cairo_t *cr) +{ + cairo_save (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_push_group (cairo_t *cr) +{ + cairo_pattern_t *pattern; + cairo_status_t status; + + cairo_push_group (cr); + pattern = cairo_pop_group (cr); + status = cairo_pattern_status (pattern); + cairo_pattern_destroy (pattern); + + return status == CAIRO_STATUS_SUCCESS || status == cairo_status (cr) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_push_group_with_content (cairo_t *cr) +{ + cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR_ALPHA); + cairo_pop_group_to_source (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_operator (cairo_t *cr) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_source (cairo_t *cr) +{ + cairo_pattern_t *source = cairo_pattern_create_rgb (0, 0, 0); + cairo_set_source (cr, source); + cairo_pattern_destroy (source); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_source_rgb (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 0, 0, 0); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_source_rgba (cairo_t *cr) +{ + cairo_set_source_rgba (cr, 0, 0, 0, 1); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_source_surface (cairo_t *cr) +{ + cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_tolerance (cairo_t *cr) +{ + cairo_set_tolerance (cr, 42); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_antialias (cairo_t *cr) +{ + cairo_set_antialias (cr, CAIRO_ANTIALIAS_BEST); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_fill_rule (cairo_t *cr) +{ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_line_width (cairo_t *cr) +{ + cairo_set_line_width (cr, 42); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_line_cap (cairo_t *cr) +{ + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_line_join (cairo_t *cr) +{ + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_dash (cairo_t *cr) +{ + cairo_set_dash (cr, NULL, 0, 0); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_miter_limit (cairo_t *cr) +{ + cairo_set_miter_limit (cr, 2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_translate (cairo_t *cr) +{ + cairo_translate (cr, 2, 2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_scale (cairo_t *cr) +{ + cairo_scale (cr, 2, 2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_rotate (cairo_t *cr) +{ + cairo_rotate (cr, 2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_transform (cairo_t *cr) +{ + cairo_matrix_t matrix; + + cairo_matrix_init_translate (&matrix, 1, 1); + cairo_transform (cr, &matrix); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_matrix (cairo_t *cr) +{ + cairo_matrix_t matrix; + + cairo_matrix_init_translate (&matrix, 1, 1); + cairo_set_matrix (cr, &matrix); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_identity_matrix (cairo_t *cr) +{ + cairo_identity_matrix (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_user_to_device (cairo_t *cr) +{ + double x = 42, y = 42; + + cairo_user_to_device (cr, &x, &y); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_user_to_device_distance (cairo_t *cr) +{ + double x = 42, y = 42; + + cairo_user_to_device_distance (cr, &x, &y); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_device_to_user (cairo_t *cr) +{ + double x = 42, y = 42; + + cairo_device_to_user (cr, &x, &y); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_device_to_user_distance (cairo_t *cr) +{ + double x = 42, y = 42; + + cairo_device_to_user_distance (cr, &x, &y); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_new_path (cairo_t *cr) +{ + cairo_new_path (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_move_to (cairo_t *cr) +{ + cairo_move_to (cr, 2, 2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_new_sub_path (cairo_t *cr) +{ + cairo_new_sub_path (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_line_to (cairo_t *cr) +{ + cairo_line_to (cr, 2, 2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_curve_to (cairo_t *cr) +{ + cairo_curve_to (cr, 2, 2, 3, 3, 4, 4); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_arc (cairo_t *cr) +{ + cairo_arc (cr, 2, 2, 3, 0, 2 * M_PI); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_arc_negative (cairo_t *cr) +{ + cairo_arc_negative (cr, 2, 2, 3, 0, 2 * M_PI); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_rel_move_to (cairo_t *cr) +{ + cairo_rel_move_to (cr, 2, 2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_rel_line_to (cairo_t *cr) +{ + cairo_rel_line_to (cr, 2, 2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_rel_curve_to (cairo_t *cr) +{ + cairo_rel_curve_to (cr, 2, 2, 3, 3, 4, 4); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_rectangle (cairo_t *cr) +{ + cairo_rectangle (cr, 2, 2, 3, 3); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_close_path (cairo_t *cr) +{ + cairo_close_path (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_path_extents (cairo_t *cr) +{ + double x1, y1, x2, y2; + cairo_path_extents (cr, &x1, &y1, &x2, &y2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_paint (cairo_t *cr) +{ + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_paint_with_alpha (cairo_t *cr) +{ + cairo_paint_with_alpha (cr, 0.5); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_mask (cairo_t *cr) +{ + cairo_pattern_t *pattern; + + pattern = cairo_pattern_create_rgb (0.5, 0.5, 0.5); + cairo_mask (cr, pattern); + + cairo_pattern_destroy (pattern); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_mask_surface (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1); + cairo_mask_surface (cr, surface, 0, 0); + + cairo_surface_destroy (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_stroke (cairo_t *cr) +{ + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_stroke_preserve (cairo_t *cr) +{ + cairo_stroke_preserve (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_fill (cairo_t *cr) +{ + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_fill_preserve (cairo_t *cr) +{ + cairo_fill_preserve (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_copy_page (cairo_t *cr) +{ + cairo_copy_page (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_show_page (cairo_t *cr) +{ + cairo_show_page (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_in_stroke (cairo_t *cr) +{ + cairo_in_stroke (cr, 1, 1); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_in_fill (cairo_t *cr) +{ + cairo_in_fill (cr, 1, 1); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_in_clip (cairo_t *cr) +{ + cairo_in_clip (cr, 1, 1); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_stroke_extents (cairo_t *cr) +{ + double x1, y1, x2, y2; + cairo_stroke_extents (cr, &x1, &y1, &x2, &y2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_fill_extents (cairo_t *cr) +{ + double x1, y1, x2, y2; + cairo_fill_extents (cr, &x1, &y1, &x2, &y2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_reset_clip (cairo_t *cr) +{ + cairo_reset_clip (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_clip (cairo_t *cr) +{ + cairo_clip (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_clip_preserve (cairo_t *cr) +{ + cairo_clip_preserve (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_clip_extents (cairo_t *cr) +{ + double x1, y1, x2, y2; + cairo_clip_extents (cr, &x1, &y1, &x2, &y2); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_copy_clip_rectangle_list (cairo_t *cr) +{ + cairo_rectangle_list_destroy (cairo_copy_clip_rectangle_list (cr)); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_select_font_face (cairo_t *cr) +{ + cairo_select_font_face (cr, "Arial", CAIRO_FONT_SLANT_ITALIC, CAIRO_FONT_WEIGHT_BOLD); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_font_size (cairo_t *cr) +{ + cairo_set_font_size (cr, 42); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_font_matrix (cairo_t *cr) +{ + cairo_matrix_t matrix; + + cairo_matrix_init_translate (&matrix, 1, 1); + cairo_set_font_matrix (cr, &matrix); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_font_matrix (cairo_t *cr) +{ + cairo_matrix_t matrix; + + cairo_get_font_matrix (cr, &matrix); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_font_options (cairo_t *cr) +{ + cairo_font_options_t *opt = cairo_font_options_create (); + cairo_set_font_options (cr, opt); + cairo_font_options_destroy (opt); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_font_options (cairo_t *cr) +{ + cairo_font_options_t *opt = cairo_font_options_create (); + cairo_get_font_options (cr, opt); + cairo_font_options_destroy (opt); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_font_face (cairo_t *cr) +{ + cairo_set_font_face (cr, cairo_get_font_face (cr)); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_set_scaled_font (cairo_t *cr) +{ + cairo_set_scaled_font (cr, cairo_get_scaled_font (cr)); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_show_text (cairo_t *cr) +{ + cairo_show_text (cr, "Cairo"); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_show_glyphs (cairo_t *cr) +{ + cairo_glyph_t glyph; + + glyph.index = 65; + glyph.x = 0; + glyph.y = 0; + + cairo_show_glyphs (cr, &glyph, 1); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_show_text_glyphs (cairo_t *cr) +{ + cairo_glyph_t glyph; + cairo_text_cluster_t cluster; + + glyph.index = 65; + glyph.x = 0; + glyph.y = 0; + + cluster.num_bytes = 1; + cluster.num_glyphs = 1; + + cairo_show_text_glyphs (cr, "a", -1, &glyph, 1, &cluster, 1, 0); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_text_path (cairo_t *cr) +{ + cairo_text_path (cr, "Cairo"); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_glyph_path (cairo_t *cr) +{ + cairo_glyph_t glyph; + + glyph.index = 65; + glyph.x = 0; + glyph.y = 0; + + cairo_glyph_path (cr, &glyph, 1); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_text_extents (cairo_t *cr) +{ + cairo_text_extents_t extents; + + cairo_text_extents (cr, "Cairo", &extents); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_glyph_extents (cairo_t *cr) +{ + cairo_glyph_t glyph; + cairo_text_extents_t extents; + + glyph.index = 65; + glyph.x = 0; + glyph.y = 0; + + cairo_glyph_extents (cr, &glyph, 1, &extents); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_font_extents (cairo_t *cr) +{ + cairo_font_extents_t extents; + + cairo_font_extents (cr, &extents); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_operator (cairo_t *cr) +{ + cairo_get_operator (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_source (cairo_t *cr) +{ + cairo_get_source (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_tolerance (cairo_t *cr) +{ + cairo_get_tolerance (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_antialias (cairo_t *cr) +{ + cairo_get_antialias (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_has_current_point (cairo_t *cr) +{ + cairo_has_current_point (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_current_point (cairo_t *cr) +{ + double x, y; + + cairo_get_current_point (cr, &x, &y); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_fill_rule (cairo_t *cr) +{ + cairo_get_fill_rule (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_line_width (cairo_t *cr) +{ + cairo_get_line_width (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_line_cap (cairo_t *cr) +{ + cairo_get_line_cap (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_line_join (cairo_t *cr) +{ + cairo_get_line_join (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_miter_limit (cairo_t *cr) +{ + cairo_get_miter_limit (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_dash_count (cairo_t *cr) +{ + cairo_get_dash_count (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_dash (cairo_t *cr) +{ + double dashes[42]; + double offset; + + cairo_get_dash (cr, &dashes[0], &offset); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_matrix (cairo_t *cr) +{ + cairo_matrix_t matrix; + + cairo_get_matrix (cr, &matrix); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_target (cairo_t *cr) +{ + cairo_get_target (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_get_group_target (cairo_t *cr) +{ + cairo_get_group_target (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_copy_path (cairo_t *cr) +{ + cairo_path_destroy (cairo_copy_path (cr)); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_copy_path_flat (cairo_t *cr) +{ + cairo_path_destroy (cairo_copy_path_flat (cr)); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_append_path (cairo_t *cr) +{ + cairo_path_data_t data[3]; + cairo_path_t path; + + path.status = CAIRO_STATUS_SUCCESS; + path.data = &data[0]; + path.num_data = ARRAY_LENGTH(data); + + data[0].header.type = CAIRO_PATH_MOVE_TO; + data[0].header.length = 2; + data[1].point.x = 1; + data[1].point.y = 2; + data[2].header.type = CAIRO_PATH_CLOSE_PATH; + data[2].header.length = 1; + + cairo_append_path (cr, &path); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_create_similar (cairo_surface_t *surface) +{ + cairo_surface_t *similar; + + similar = cairo_surface_create_similar (surface, CAIRO_CONTENT_ALPHA, 100, 100); + + cairo_surface_destroy (similar); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_create_for_rectangle (cairo_surface_t *surface) +{ + cairo_surface_t *similar; + + similar = cairo_surface_create_for_rectangle (surface, 1, 1, 8, 8); + + cairo_surface_destroy (similar); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_reference (cairo_surface_t *surface) +{ + cairo_surface_destroy (cairo_surface_reference (surface)); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_finish (cairo_surface_t *surface) +{ + cairo_surface_finish (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_get_device (cairo_surface_t *surface) +{ + /* cairo_device_t *device = */cairo_surface_get_device (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_get_reference_count (cairo_surface_t *surface) +{ + unsigned int refcount = cairo_surface_get_reference_count (surface); + if (refcount > 0) + return CAIRO_TEST_SUCCESS; + /* inert error surfaces have a refcount of 0 */ + return cairo_surface_status (surface) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_surface_status (cairo_surface_t *surface) +{ + cairo_status_t status = cairo_surface_status (surface); + return status < CAIRO_STATUS_LAST_STATUS ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_surface_get_type (cairo_surface_t *surface) +{ + /* cairo_surface_type_t type = */cairo_surface_get_type (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_get_content (cairo_surface_t *surface) +{ + cairo_content_t content = cairo_surface_get_content (surface); + + switch (content) { + case CAIRO_CONTENT_COLOR: + case CAIRO_CONTENT_ALPHA: + case CAIRO_CONTENT_COLOR_ALPHA: + return CAIRO_TEST_SUCCESS; + default: + return CAIRO_TEST_ERROR; + } +} + +static cairo_test_status_t +test_cairo_surface_set_user_data (cairo_surface_t *surface) +{ + static cairo_user_data_key_t key; + cairo_status_t status; + + status = cairo_surface_set_user_data (surface, &key, &key, NULL); + if (status == CAIRO_STATUS_NO_MEMORY) + return CAIRO_TEST_NO_MEMORY; + else if (status) + return CAIRO_TEST_SUCCESS; + + if (cairo_surface_get_user_data (surface, &key) != &key) + return CAIRO_TEST_ERROR; + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_set_mime_data (cairo_surface_t *surface) +{ + const char *mimetype = "text/x-uri"; + const char *data = "http://www.cairographics.org"; + cairo_status_t status; + + status = cairo_surface_set_mime_data (surface, + mimetype, + (const unsigned char *) data, + strlen (data), + NULL, NULL); + return status ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_surface_get_mime_data (cairo_surface_t *surface) +{ + const char *mimetype = "text/x-uri"; + const unsigned char *data; + unsigned long length; + + cairo_surface_get_mime_data (surface, mimetype, &data, &length); + return data == NULL && length == 0 ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_surface_get_font_options (cairo_surface_t *surface) +{ + cairo_font_options_t *options; + cairo_status_t status; + + options = cairo_font_options_create (); + if (likely (!cairo_font_options_status (options))) + cairo_surface_get_font_options (surface, options); + status = cairo_font_options_status (options); + cairo_font_options_destroy (options); + return status ? CAIRO_TEST_ERROR : CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_flush (cairo_surface_t *surface) +{ + cairo_surface_flush (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_mark_dirty (cairo_surface_t *surface) +{ + cairo_surface_mark_dirty (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_mark_dirty_rectangle (cairo_surface_t *surface) +{ + cairo_surface_mark_dirty_rectangle (surface, 1, 1, 8, 8); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_set_device_offset (cairo_surface_t *surface) +{ + cairo_surface_set_device_offset (surface, 5, 5); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_get_device_offset (cairo_surface_t *surface) +{ + double x, y; + + cairo_surface_get_device_offset (surface, &x, &y); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_set_fallback_resolution (cairo_surface_t *surface) +{ + cairo_surface_set_fallback_resolution (surface, 42, 42); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_get_fallback_resolution (cairo_surface_t *surface) +{ + double x, y; + + cairo_surface_get_fallback_resolution (surface, &x, &y); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_copy_page (cairo_surface_t *surface) +{ + cairo_surface_copy_page (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_show_page (cairo_surface_t *surface) +{ + cairo_surface_show_page (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_surface_has_show_text_glyphs (cairo_surface_t *surface) +{ + cairo_surface_has_show_text_glyphs (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_image_surface_get_data (cairo_surface_t *surface) +{ + unsigned char *data = cairo_image_surface_get_data (surface); + return data == NULL || surface_has_type (surface, CAIRO_SURFACE_TYPE_IMAGE) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_image_surface_get_format (cairo_surface_t *surface) +{ + cairo_format_t format = cairo_image_surface_get_format (surface); + return format == CAIRO_FORMAT_INVALID || surface_has_type (surface, CAIRO_SURFACE_TYPE_IMAGE) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_image_surface_get_width (cairo_surface_t *surface) +{ + unsigned int width = cairo_image_surface_get_width (surface); + return width == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_IMAGE) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_image_surface_get_height (cairo_surface_t *surface) +{ + unsigned int height = cairo_image_surface_get_height (surface); + return height == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_IMAGE) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_image_surface_get_stride (cairo_surface_t *surface) +{ + unsigned int stride = cairo_image_surface_get_stride (surface); + return stride == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_IMAGE) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +#if CAIRO_HAS_PNG_FUNCTIONS + +static cairo_test_status_t +test_cairo_surface_write_to_png (cairo_surface_t *surface) +{ + cairo_status_t status; + + status = cairo_surface_write_to_png (surface, "/this/file/will/definitely/not/exist.png"); + + return status ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_status_t +write_func_that_always_fails (void *closure, const unsigned char *data, unsigned int length) +{ + return CAIRO_STATUS_WRITE_ERROR; +} + +static cairo_test_status_t +test_cairo_surface_write_to_png_stream (cairo_surface_t *surface) +{ + cairo_status_t status; + + status = cairo_surface_write_to_png_stream (surface, + write_func_that_always_fails, + NULL); + + return status && status != CAIRO_STATUS_WRITE_ERROR ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +#endif /* CAIRO_HAS_PNG_FUNCTIONS */ + +static cairo_test_status_t +test_cairo_recording_surface_ink_extents (cairo_surface_t *surface) +{ + double x, y, w, h; + + cairo_recording_surface_ink_extents (surface, &x, &y, &w, &h); + return x == 0 && y == 0 && w == 0 && h == 0 ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +#if CAIRO_HAS_TEE_SURFACE + +static cairo_test_status_t +test_cairo_tee_surface_add (cairo_surface_t *surface) +{ + cairo_surface_t *image = cairo_image_surface_create (CAIRO_FORMAT_A8, 10, 10); + + cairo_tee_surface_add (surface, image); + cairo_surface_destroy (image); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_tee_surface_remove (cairo_surface_t *surface) +{ + cairo_surface_t *image = cairo_image_surface_create (CAIRO_FORMAT_A8, 10, 10); + + cairo_tee_surface_remove (surface, image); + cairo_surface_destroy (image); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_tee_surface_index (cairo_surface_t *surface) +{ + cairo_surface_t *master; + cairo_status_t status; + + master = cairo_tee_surface_index (surface, 0); + status = cairo_surface_status (master); + cairo_surface_destroy (master); + return status ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +#endif /* CAIRO_HAS_TEE_SURFACE */ + +#if CAIRO_HAS_GL_SURFACE + +static cairo_test_status_t +test_cairo_gl_surface_set_size (cairo_surface_t *surface) +{ + cairo_gl_surface_set_size (surface, 5, 5); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_gl_surface_get_width (cairo_surface_t *surface) +{ + unsigned int width = cairo_gl_surface_get_width (surface); + return width == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_GL) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_gl_surface_get_height (cairo_surface_t *surface) +{ + unsigned int height = cairo_gl_surface_get_height (surface); + return height == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_GL) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_gl_surface_swapbuffers (cairo_surface_t *surface) +{ + cairo_gl_surface_swapbuffers (surface); + return CAIRO_TEST_SUCCESS; +} + +#endif /* CAIRO_HAS_GL_SURFACE */ + +#if CAIRO_HAS_PDF_SURFACE + +static cairo_test_status_t +test_cairo_pdf_surface_restrict_to_version (cairo_surface_t *surface) +{ + cairo_pdf_surface_restrict_to_version (surface, CAIRO_PDF_VERSION_1_4); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_pdf_surface_set_size (cairo_surface_t *surface) +{ + cairo_pdf_surface_set_size (surface, 5, 5); + return CAIRO_TEST_SUCCESS; +} + +#endif /* CAIRO_HAS_PDF_SURFACE */ + +#if CAIRO_HAS_PS_SURFACE + +static cairo_test_status_t +test_cairo_ps_surface_restrict_to_level (cairo_surface_t *surface) +{ + cairo_ps_surface_restrict_to_level (surface, CAIRO_PS_LEVEL_2); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_ps_surface_set_eps (cairo_surface_t *surface) +{ + cairo_ps_surface_set_eps (surface, TRUE); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_ps_surface_get_eps (cairo_surface_t *surface) +{ + cairo_bool_t eps = cairo_ps_surface_get_eps (surface); + return eps ? CAIRO_TEST_ERROR : CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_ps_surface_set_size (cairo_surface_t *surface) +{ + cairo_ps_surface_set_size (surface, 5, 5); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_ps_surface_dsc_comment (cairo_surface_t *surface) +{ + cairo_ps_surface_dsc_comment (surface, "54, 74, 90, 2010"); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_ps_surface_dsc_begin_setup (cairo_surface_t *surface) +{ + cairo_ps_surface_dsc_begin_setup (surface); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_ps_surface_dsc_begin_page_setup (cairo_surface_t *surface) +{ + cairo_ps_surface_dsc_begin_page_setup (surface); + return CAIRO_TEST_SUCCESS; +} + +#endif /* CAIRO_HAS_PS_SURFACE */ + +#if CAIRO_HAS_QUARTZ_SURFACE + +static cairo_test_status_t +test_cairo_quartz_surface_get_cg_context (cairo_surface_t *surface) +{ + CGContextRef context = cairo_quartz_surface_get_cg_context (surface); + return context == NULL || surface_has_type (surface, CAIRO_SURFACE_TYPE_QUARTZ) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +#endif /* CAIRO_HAS_QUARTZ_SURFACE */ + +#if CAIRO_HAS_SVG_SURFACE + +static cairo_test_status_t +test_cairo_svg_surface_restrict_to_version (cairo_surface_t *surface) +{ + cairo_svg_surface_restrict_to_version (surface, CAIRO_SVG_VERSION_1_1); + return CAIRO_TEST_SUCCESS; +} + +#endif /* CAIRO_HAS_SVG_SURFACE */ + +#if CAIRO_HAS_XCB_SURFACE + +static cairo_test_status_t +test_cairo_xcb_surface_set_size (cairo_surface_t *surface) +{ + cairo_xcb_surface_set_size (surface, 5, 5); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_xcb_surface_set_drawable (cairo_surface_t *surface) +{ + cairo_xcb_surface_set_drawable (surface, 0, 5, 5); + return CAIRO_TEST_SUCCESS; +} + +#endif + +#if CAIRO_HAS_XLIB_SURFACE + +static cairo_test_status_t +test_cairo_xlib_surface_set_size (cairo_surface_t *surface) +{ + cairo_xlib_surface_set_size (surface, 5, 5); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_xlib_surface_set_drawable (cairo_surface_t *surface) +{ + cairo_xlib_surface_set_drawable (surface, 0, 5, 5); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_cairo_xlib_surface_get_display (cairo_surface_t *surface) +{ + Display *display = cairo_xlib_surface_get_display (surface); + return display == NULL || surface_has_type (surface, CAIRO_SURFACE_TYPE_XLIB) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_xlib_surface_get_screen (cairo_surface_t *surface) +{ + Screen *screen = cairo_xlib_surface_get_screen (surface); + return screen == NULL || surface_has_type (surface, CAIRO_SURFACE_TYPE_XLIB) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_xlib_surface_get_visual (cairo_surface_t *surface) +{ + Visual *visual = cairo_xlib_surface_get_visual (surface); + return visual == NULL || surface_has_type (surface, CAIRO_SURFACE_TYPE_XLIB) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_xlib_surface_get_drawable (cairo_surface_t *surface) +{ + Drawable drawable = cairo_xlib_surface_get_drawable (surface); + return drawable == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_XLIB) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_xlib_surface_get_depth (cairo_surface_t *surface) +{ + int depth = cairo_xlib_surface_get_depth (surface); + return depth == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_XLIB) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_xlib_surface_get_width (cairo_surface_t *surface) +{ + int width = cairo_xlib_surface_get_width (surface); + return width == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_XLIB) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +static cairo_test_status_t +test_cairo_xlib_surface_get_height (cairo_surface_t *surface) +{ + int height = cairo_xlib_surface_get_height (surface); + return height == 0 || surface_has_type (surface, CAIRO_SURFACE_TYPE_XLIB) ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR; +} + +#endif + +#define TEST(name) { #name, test_ ## name } + +struct { + const char *name; + context_test_func_t func; +} context_tests[] = { + TEST (cairo_reference), + TEST (cairo_get_reference_count), + TEST (cairo_set_user_data), + TEST (cairo_save), + TEST (cairo_push_group), + TEST (cairo_push_group_with_content), + TEST (cairo_set_operator), + TEST (cairo_set_source), + TEST (cairo_set_source_rgb), + TEST (cairo_set_source_rgba), + TEST (cairo_set_source_surface), + TEST (cairo_set_tolerance), + TEST (cairo_set_antialias), + TEST (cairo_set_fill_rule), + TEST (cairo_set_line_width), + TEST (cairo_set_line_cap), + TEST (cairo_set_line_join), + TEST (cairo_set_dash), + TEST (cairo_set_miter_limit), + TEST (cairo_translate), + TEST (cairo_scale), + TEST (cairo_rotate), + TEST (cairo_transform), + TEST (cairo_set_matrix), + TEST (cairo_identity_matrix), + TEST (cairo_user_to_device), + TEST (cairo_user_to_device_distance), + TEST (cairo_device_to_user), + TEST (cairo_device_to_user_distance), + TEST (cairo_new_path), + TEST (cairo_move_to), + TEST (cairo_new_sub_path), + TEST (cairo_line_to), + TEST (cairo_curve_to), + TEST (cairo_arc), + TEST (cairo_arc_negative), + TEST (cairo_rel_move_to), + TEST (cairo_rel_line_to), + TEST (cairo_rel_curve_to), + TEST (cairo_rectangle), + TEST (cairo_close_path), + TEST (cairo_path_extents), + TEST (cairo_paint), + TEST (cairo_paint_with_alpha), + TEST (cairo_mask), + TEST (cairo_mask_surface), + TEST (cairo_stroke), + TEST (cairo_stroke_preserve), + TEST (cairo_fill), + TEST (cairo_fill_preserve), + TEST (cairo_copy_page), + TEST (cairo_show_page), + TEST (cairo_in_stroke), + TEST (cairo_in_fill), + TEST (cairo_in_clip), + TEST (cairo_stroke_extents), + TEST (cairo_fill_extents), + TEST (cairo_reset_clip), + TEST (cairo_clip), + TEST (cairo_clip_preserve), + TEST (cairo_clip_extents), + TEST (cairo_copy_clip_rectangle_list), + TEST (cairo_select_font_face), + TEST (cairo_set_font_size), + TEST (cairo_set_font_matrix), + TEST (cairo_get_font_matrix), + TEST (cairo_set_font_options), + TEST (cairo_get_font_options), + TEST (cairo_set_font_face), + TEST (cairo_set_scaled_font), + TEST (cairo_show_text), + TEST (cairo_show_glyphs), + TEST (cairo_show_text_glyphs), + TEST (cairo_text_path), + TEST (cairo_glyph_path), + TEST (cairo_text_extents), + TEST (cairo_glyph_extents), + TEST (cairo_font_extents), + TEST (cairo_get_operator), + TEST (cairo_get_source), + TEST (cairo_get_tolerance), + TEST (cairo_get_antialias), + TEST (cairo_has_current_point), + TEST (cairo_get_current_point), + TEST (cairo_get_fill_rule), + TEST (cairo_get_line_width), + TEST (cairo_get_line_cap), + TEST (cairo_get_line_join), + TEST (cairo_get_miter_limit), + TEST (cairo_get_dash_count), + TEST (cairo_get_dash), + TEST (cairo_get_matrix), + TEST (cairo_get_target), + TEST (cairo_get_group_target), + TEST (cairo_copy_path), + TEST (cairo_copy_path_flat), + TEST (cairo_append_path), +}; + +#undef TEST + +#define TEST(name, surface_type, sets_status) { #name, test_ ## name, surface_type, sets_status } + +struct { + const char *name; + surface_test_func_t func; + int surface_type; /* cairo_surface_type_t or -1 */ + cairo_bool_t modifies_surface; +} surface_tests[] = { + TEST (cairo_surface_create_similar, -1, FALSE), + TEST (cairo_surface_create_for_rectangle, -1, FALSE), + TEST (cairo_surface_reference, -1, FALSE), + TEST (cairo_surface_finish, -1, TRUE), + TEST (cairo_surface_get_device, -1, FALSE), + TEST (cairo_surface_get_reference_count, -1, FALSE), + TEST (cairo_surface_status, -1, FALSE), + TEST (cairo_surface_get_type, -1, FALSE), + TEST (cairo_surface_get_content, -1, FALSE), + TEST (cairo_surface_set_user_data, -1, FALSE), + TEST (cairo_surface_set_mime_data, -1, TRUE), + TEST (cairo_surface_get_mime_data, -1, FALSE), + TEST (cairo_surface_get_font_options, -1, FALSE), + TEST (cairo_surface_flush, -1, TRUE), + TEST (cairo_surface_mark_dirty, -1, TRUE), + TEST (cairo_surface_mark_dirty_rectangle, -1, TRUE), + TEST (cairo_surface_set_device_offset, -1, TRUE), + TEST (cairo_surface_get_device_offset, -1, FALSE), + TEST (cairo_surface_set_fallback_resolution, -1, TRUE), + TEST (cairo_surface_get_fallback_resolution, -1, FALSE), + TEST (cairo_surface_copy_page, -1, TRUE), + TEST (cairo_surface_show_page, -1, TRUE), + TEST (cairo_surface_has_show_text_glyphs, -1, FALSE), + TEST (cairo_image_surface_get_data, CAIRO_SURFACE_TYPE_IMAGE, FALSE), + TEST (cairo_image_surface_get_format, CAIRO_SURFACE_TYPE_IMAGE, FALSE), + TEST (cairo_image_surface_get_width, CAIRO_SURFACE_TYPE_IMAGE, FALSE), + TEST (cairo_image_surface_get_height, CAIRO_SURFACE_TYPE_IMAGE, FALSE), + TEST (cairo_image_surface_get_stride, CAIRO_SURFACE_TYPE_IMAGE, FALSE), +#if CAIRO_HAS_PNG_FUNCTIONS + TEST (cairo_surface_write_to_png, -1, FALSE), + TEST (cairo_surface_write_to_png_stream, -1, FALSE), +#endif + TEST (cairo_recording_surface_ink_extents, CAIRO_SURFACE_TYPE_RECORDING, FALSE), +#if CAIRO_HAS_TEE_SURFACE + TEST (cairo_tee_surface_add, CAIRO_SURFACE_TYPE_TEE, TRUE), + TEST (cairo_tee_surface_remove, CAIRO_SURFACE_TYPE_TEE, TRUE), + TEST (cairo_tee_surface_index, CAIRO_SURFACE_TYPE_TEE, FALSE), +#endif +#if CAIRO_HAS_GL_SURFACE + TEST (cairo_gl_surface_set_size, CAIRO_SURFACE_TYPE_GL, TRUE), + TEST (cairo_gl_surface_get_width, CAIRO_SURFACE_TYPE_GL, FALSE), + TEST (cairo_gl_surface_get_height, CAIRO_SURFACE_TYPE_GL, FALSE), + TEST (cairo_gl_surface_swapbuffers, CAIRO_SURFACE_TYPE_GL, TRUE), +#endif +#if CAIRO_HAS_PDF_SURFACE + TEST (cairo_pdf_surface_restrict_to_version, CAIRO_SURFACE_TYPE_PDF, TRUE), + TEST (cairo_pdf_surface_set_size, CAIRO_SURFACE_TYPE_PDF, TRUE), +#endif +#if CAIRO_HAS_PS_SURFACE + TEST (cairo_ps_surface_restrict_to_level, CAIRO_SURFACE_TYPE_PS, TRUE), + TEST (cairo_ps_surface_set_eps, CAIRO_SURFACE_TYPE_PS, TRUE), + TEST (cairo_ps_surface_get_eps, CAIRO_SURFACE_TYPE_PS, FALSE), + TEST (cairo_ps_surface_set_size, CAIRO_SURFACE_TYPE_PS, TRUE), + TEST (cairo_ps_surface_dsc_comment, CAIRO_SURFACE_TYPE_PS, TRUE), + TEST (cairo_ps_surface_dsc_begin_setup, CAIRO_SURFACE_TYPE_PS, TRUE), + TEST (cairo_ps_surface_dsc_begin_page_setup, CAIRO_SURFACE_TYPE_PS, TRUE), +#endif +#if CAIRO_HAS_QUARTZ_SURFACE + TEST (cairo_quartz_surface_get_cg_context, CAIRO_SURFACE_TYPE_QUARTZ, FALSE), +#endif +#if CAIRO_HAS_SVG_SURFACE + TEST (cairo_svg_surface_restrict_to_version, CAIRO_SURFACE_TYPE_SVG, TRUE), +#endif +#if CAIRO_HAS_XCB_SURFACE + TEST (cairo_xcb_surface_set_size, CAIRO_SURFACE_TYPE_XCB, TRUE), + TEST (cairo_xcb_surface_set_drawable, CAIRO_SURFACE_TYPE_XCB, TRUE), +#endif +#if CAIRO_HAS_XLIB_SURFACE + TEST (cairo_xlib_surface_set_size, CAIRO_SURFACE_TYPE_XLIB, TRUE), + TEST (cairo_xlib_surface_set_drawable, CAIRO_SURFACE_TYPE_XLIB, TRUE), + TEST (cairo_xlib_surface_get_display, CAIRO_SURFACE_TYPE_XLIB, FALSE), + TEST (cairo_xlib_surface_get_drawable, CAIRO_SURFACE_TYPE_XLIB, FALSE), + TEST (cairo_xlib_surface_get_screen, CAIRO_SURFACE_TYPE_XLIB, FALSE), + TEST (cairo_xlib_surface_get_visual, CAIRO_SURFACE_TYPE_XLIB, FALSE), + TEST (cairo_xlib_surface_get_depth, CAIRO_SURFACE_TYPE_XLIB, FALSE), + TEST (cairo_xlib_surface_get_width, CAIRO_SURFACE_TYPE_XLIB, FALSE), + TEST (cairo_xlib_surface_get_height, CAIRO_SURFACE_TYPE_XLIB, FALSE), +#endif +}; + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface; + cairo_t *cr; + cairo_test_status_t test_status; + cairo_status_t status_before, status_after; + unsigned int i; + + /* Test an error surface */ + for (i = 0; i < ARRAY_LENGTH (surface_tests); i++) { + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, INT_MAX, INT_MAX); + status_before = cairo_surface_status (surface); + assert (status_before); + + test_status = surface_tests[i].func (surface); + + status_after = cairo_surface_status (surface); + cairo_surface_destroy (surface); + + if (test_status != CAIRO_TEST_SUCCESS) { + cairo_test_log (ctx, + "Failed test %s with %d\n", + surface_tests[i].name, (int) test_status); + return test_status; + } + + if (status_before != status_after) { + cairo_test_log (ctx, + "Failed test %s: Modified surface status from %u (%s) to %u (%s)\n", + surface_tests[i].name, + status_before, cairo_status_to_string (status_before), + status_after, cairo_status_to_string (status_after)); + return CAIRO_TEST_ERROR; + } + } + + /* Test an error context */ + for (i = 0; i < ARRAY_LENGTH (context_tests); i++) { + cr = cairo_create (NULL); + status_before = cairo_status (cr); + assert (status_before); + + test_status = context_tests[i].func (cr); + + status_after = cairo_status (cr); + cairo_destroy (cr); + + if (test_status != CAIRO_TEST_SUCCESS) { + cairo_test_log (ctx, + "Failed test %s with %d\n", + context_tests[i].name, (int) test_status); + return test_status; + } + + if (status_before != status_after) { + cairo_test_log (ctx, + "Failed test %s: Modified context status from %u (%s) to %u (%s)\n", + context_tests[i].name, + status_before, cairo_status_to_string (status_before), + status_after, cairo_status_to_string (status_after)); + return CAIRO_TEST_ERROR; + } + } + + /* Test a context for an error surface */ + for (i = 0; i < ARRAY_LENGTH (context_tests); i++) { + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, INT_MAX, INT_MAX); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + status_before = cairo_status (cr); + assert (status_before); + + test_status = context_tests[i].func (cr); + + status_after = cairo_status (cr); + cairo_destroy (cr); + + if (test_status != CAIRO_TEST_SUCCESS) { + cairo_test_log (ctx, + "Failed test %s with %d\n", + context_tests[i].name, (int) test_status); + return test_status; + } + + if (status_before != status_after) { + cairo_test_log (ctx, + "Failed test %s: Modified context status from %u (%s) to %u (%s)\n", + context_tests[i].name, + status_before, cairo_status_to_string (status_before), + status_after, cairo_status_to_string (status_after)); + return CAIRO_TEST_ERROR; + } + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +test_context (const cairo_test_context_t *ctx, cairo_t *cr, const char *name, unsigned int i) +{ + cairo_test_status_t test_status; + cairo_status_t status_before, status_after; + + /* Make sure that there is a current point */ + cairo_move_to (cr, 0, 0); + + status_before = cairo_status (cr); + test_status = context_tests[i].func (cr); + status_after = cairo_status (cr); + + if (test_status != CAIRO_TEST_SUCCESS) { + cairo_test_log (ctx, + "Failed test %s on %s with %d\n", + context_tests[i].name, name, (int) test_status); + return test_status; + } + + if (status_after != CAIRO_STATUS_SURFACE_FINISHED && status_before != status_after) { + cairo_test_log (ctx, + "Failed test %s on %s: Modified context status from %u (%s) to %u (%s)\n", + context_tests[i].name, name, + status_before, cairo_status_to_string (status_before), + status_after, cairo_status_to_string (status_after)); + return CAIRO_TEST_ERROR; + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *similar, *target; + cairo_test_status_t test_status; + cairo_status_t status; + cairo_t *cr2; + unsigned int i; + + target = cairo_get_target (cr); + + /* Test a finished similar surface */ + for (i = 0; i < ARRAY_LENGTH (surface_tests); i++) { + similar = cairo_surface_create_similar (target, + cairo_surface_get_content (target), + 10, 10); + cairo_surface_finish (similar); + test_status = surface_tests[i].func (similar); + status = cairo_surface_status (similar); + cairo_surface_destroy (similar); + + if (test_status != CAIRO_TEST_SUCCESS) { + cairo_test_log (ctx, + "Failed test %s with %d\n", + surface_tests[i].name, (int) test_status); + return test_status; + } + + if (surface_tests[i].modifies_surface && + strcmp (surface_tests[i].name, "cairo_surface_finish") && + strcmp (surface_tests[i].name, "cairo_surface_flush") && + status != CAIRO_STATUS_SURFACE_FINISHED) { + cairo_test_log (ctx, + "Failed test %s: Finished surface not set into error state\n", + surface_tests[i].name); + return CAIRO_TEST_ERROR; + } + } + + /* Test a context for a finished similar surface */ + for (i = 0; i < ARRAY_LENGTH (context_tests); i++) { + similar = cairo_surface_create_similar (target, + cairo_surface_get_content (target), + 10, 10); + cairo_surface_finish (similar); + cr2 = cairo_create (similar); + test_status = test_context (ctx, cr2, "finished surface", i); + cairo_surface_destroy (similar); + cairo_destroy (cr2); + + if (test_status != CAIRO_TEST_SUCCESS) + return test_status; + } + + /* Test a context for a similar surface finished later */ + for (i = 0; i < ARRAY_LENGTH (context_tests); i++) { + similar = cairo_surface_create_similar (target, + cairo_surface_get_content (target), + 10, 10); + cr2 = cairo_create (similar); + cairo_surface_finish (similar); + test_status = test_context (ctx, cr2, "finished surface after create", i); + cairo_surface_destroy (similar); + cairo_destroy (cr2); + + if (test_status != CAIRO_TEST_SUCCESS) + return test_status; + } + + /* Test a context for a similar surface finished later with a path */ + for (i = 0; i < ARRAY_LENGTH (context_tests); i++) { + similar = cairo_surface_create_similar (target, + cairo_surface_get_content (target), + 10, 10); + cr2 = cairo_create (similar); + cairo_rectangle (cr2, 2, 2, 4, 4); + cairo_surface_finish (similar); + test_status = test_context (ctx, cr2, "finished surface with path", i); + cairo_surface_destroy (similar); + cairo_destroy (cr2); + + if (test_status != CAIRO_TEST_SUCCESS) + return test_status; + } + + /* Test a normal surface for functions that have the wrong type */ + for (i = 0; i < ARRAY_LENGTH (surface_tests); i++) { + cairo_status_t desired_status; + + if (surface_tests[i].surface_type == -1) + continue; + similar = cairo_surface_create_similar (target, + cairo_surface_get_content (target), + 10, 10); + if (cairo_surface_get_type (similar) == (cairo_surface_type_t) surface_tests[i].surface_type) { + cairo_surface_destroy (similar); + continue; + } + + test_status = surface_tests[i].func (similar); + status = cairo_surface_status (similar); + cairo_surface_destroy (similar); + + if (test_status != CAIRO_TEST_SUCCESS) { + cairo_test_log (ctx, + "Failed test %s with %d\n", + surface_tests[i].name, (int) test_status); + return test_status; + } + + desired_status = surface_tests[i].modifies_surface ? CAIRO_STATUS_SURFACE_TYPE_MISMATCH : CAIRO_STATUS_SUCCESS; + if (status != desired_status) { + cairo_test_log (ctx, + "Failed test %s: Surface status should be %u (%s), but is %u (%s)\n", + surface_tests[i].name, + desired_status, cairo_status_to_string (desired_status), + status, cairo_status_to_string (status)); + return CAIRO_TEST_ERROR; + } + } + + /* 565-compatible gray background */ + cairo_set_source_rgb (cr, 0.51613, 0.55555, 0.51613); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (api_special_cases, + "Check surface functions properly handle wrong surface arguments", + "api", /* keywords */ + NULL, /* requirements */ + 10, 10, + preamble, draw) diff --git a/test/arc-direction.c b/test/arc-direction.c new file mode 100644 index 000000000..92c1a8d36 --- /dev/null +++ b/test/arc-direction.c @@ -0,0 +1,105 @@ +/* + * Copyright © 2012 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE (2 * 20) +#define PAD (2) + +static cairo_test_status_t +draw_arcs (cairo_t *cr) +{ + double start = M_PI/12, stop = 2*start; + + cairo_move_to (cr, SIZE/2, SIZE/2); + cairo_arc (cr, SIZE/2, SIZE/2, SIZE/2, start, stop); + cairo_fill (cr); + + cairo_translate (cr, SIZE+PAD, 0); + cairo_move_to (cr, SIZE/2, SIZE/2); + cairo_arc (cr, SIZE/2, SIZE/2, SIZE/2, 2*M_PI-stop, 2*M_PI-start); + cairo_fill (cr); + + cairo_translate (cr, 0, SIZE+PAD); + cairo_move_to (cr, SIZE/2, SIZE/2); + cairo_arc_negative (cr, SIZE/2, SIZE/2, SIZE/2, 2*M_PI-stop, 2*M_PI-start); + cairo_fill (cr); + + cairo_translate (cr, -SIZE-PAD, 0); + cairo_move_to (cr, SIZE/2, SIZE/2); + cairo_arc_negative (cr, SIZE/2, SIZE/2, SIZE/2, start, stop); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_save (cr); + cairo_translate (cr, PAD, PAD); + draw_arcs(cr); + cairo_restore (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_translate (cr, 2*SIZE+3*PAD, 0); + cairo_save (cr); + cairo_translate (cr, 2*SIZE+2*PAD, PAD); + cairo_scale (cr, -1, 1); + draw_arcs(cr); + cairo_restore (cr); + + cairo_set_source_rgb (cr, 1, 0, 1); + cairo_translate (cr, 0, 2*SIZE+3*PAD); + cairo_save (cr); + cairo_translate (cr, 2*SIZE+2*PAD, 2*SIZE+2*PAD); + cairo_scale (cr, -1, -1); + draw_arcs(cr); + cairo_restore (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_translate (cr, -(2*SIZE+3*PAD), 0); + cairo_save (cr); + cairo_translate (cr, PAD, 2*SIZE+2*PAD); + cairo_scale (cr, 1, -1); + draw_arcs(cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (arc_direction, + "Test drawing positive/negative arcs", + "arc, fill", /* keywords */ + NULL, /* requirements */ + 2*(3*PAD + 2*SIZE), 2*(3*PAD + 2*SIZE), + NULL, draw) + diff --git a/test/arc-infinite-loop.c b/test/arc-infinite-loop.c new file mode 100644 index 000000000..8b469eacf --- /dev/null +++ b/test/arc-infinite-loop.c @@ -0,0 +1,61 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" +#include <float.h> + +#define SIZE 8 + +/* + cairo_arc can hang in an infinite loop if given huge (so big that + adding/subtracting 4*M_PI to them doesn't change the value because + of floating point rounding). + + The purpose of this test is to check that cairo doesn't hang or crash. +*/ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* Check if the code that guarantees start <= end hangs */ + cairo_arc (cr, 0, 0, 1, 1024 / DBL_EPSILON * M_PI, 0); + + /* Check if the code that handles huge angles hangs */ + cairo_arc (cr, 0, 0, 1, 0, 1024 / DBL_EPSILON * M_PI); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (arc_infinite_loop, + "Test cairo_arc with huge angles", + "arc", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/arc-looping-dash.c b/test/arc-looping-dash.c new file mode 100644 index 000000000..ff5556a54 --- /dev/null +++ b/test/arc-looping-dash.c @@ -0,0 +1,79 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define SIZE 32 + +/* + When cairo_arc is used to draw an arc of more than 2pi radians + (i.e. a circle "looping over itself"), various different behaviors + are possible: + + - draw exactly a circle (an arc of 2pi radians) + + - draw an arc such that the current point is the expected one and + that does at least a complete circle (an arc of [2pi, 4pi) + radians) + + - draw an arc with the original number of loops + + This test produces different results for each of these three cases. +*/ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dashes[] = { 0.3, 7 }; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_save (cr); + + cairo_translate (cr, SIZE * .5, SIZE * .5); + cairo_scale (cr, SIZE * 3 / 8., SIZE * 3 / 8.); + + cairo_arc (cr, 0, 0, 1, 0, 11 * M_PI); + + cairo_set_line_width (cr, 8. / SIZE); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_set_dash (cr, dashes, 2, 0); + cairo_stroke (cr); + + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (arc_looping_dash, + "Test cairo_arc for angles describing more than a complete circle", + "arc", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/big-empty-box.c b/test/big-empty-box.c new file mode 100644 index 000000000..4ea91a1ba --- /dev/null +++ b/test/big-empty-box.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* + * The mystery of the disappearing box, similar to big-little-box. + * + * The issue is that we failed to tighten the initial approximated bounds + * after tessellating the path. + */ + +#include "cairo-test.h" + +#define SIZE 60 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 0, 1); + cairo_paint (cr); + + /* Set an unbounded operator so that we can see how accurate the bounded + * extents were. + */ + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + cairo_set_source_rgb (cr, 1, 1, 1); + + /* Wind several boxes together that reduce to nothing */ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (big_empty_box, + "Tests that we tighten the bounds after tessellation.", + "fill", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/big-empty-triangle.c b/test/big-empty-triangle.c new file mode 100644 index 000000000..4c02c87a5 --- /dev/null +++ b/test/big-empty-triangle.c @@ -0,0 +1,75 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* + * A variation on + * + * https://bugzilla.mozilla.org/show_bug.cgi?id=668921 + * + * The issue is that we failed to tighten the initial approximated bounds + * after tessellating the path. + */ + +#include "cairo-test.h" + +#define SIZE 60 + +static void +triangle (cairo_t *cr, double x, double y, double h) +{ + cairo_move_to (cr, x, y); + cairo_line_to (cr, x+h/2, y+h); + cairo_line_to (cr, x+h, y); + cairo_close_path (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 0, 1); + cairo_paint (cr); + + /* Set an unbounded operator so that we can see how accurate the bounded + * extents were. + */ + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + cairo_set_source_rgb (cr, 1, 1, 1); + + /* Wind several triangles together that reduce to nothing */ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + triangle (cr, 0, 0, SIZE); + triangle (cr, 0, 0, SIZE); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (big_empty_triangle, + "Tests that we tighten the bounds after tessellation.", + "fill", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/big-line.c b/test/big-line.c new file mode 100644 index 000000000..6260fba12 --- /dev/null +++ b/test/big-line.c @@ -0,0 +1,62 @@ +/* + * Copyright © 2008 Novell, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Novell, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Novell, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Larry Ewing <lewing@novell.com> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1, 1, 0); + cairo_move_to (cr, 50, 50); + cairo_rel_line_to (cr, 50000, 50000); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_move_to (cr, 50, 50); + cairo_rel_line_to (cr, -50000, 50000); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_move_to (cr, 50, 50); + cairo_rel_line_to (cr, 50000, -50000); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_move_to (cr, 50, 50); + cairo_rel_line_to (cr, -50000, -50000); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (big_line, + "Test drawing of simple lines with positive and negative coordinates > 2^16", + "stroke, line", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, draw) diff --git a/test/big-little-box.c b/test/big-little-box.c new file mode 100644 index 000000000..1787ee539 --- /dev/null +++ b/test/big-little-box.c @@ -0,0 +1,69 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* + * This attempts to exercise the bug found in + * + * https://bugzilla.mozilla.org/show_bug.cgi?id=668921 + * + * and also identified by Taekyun Kim. + * + * The issue is that we failed to tighten the initial approximated bounds + * after tessellating the path. + */ + +#include "cairo-test.h" + +#define SIZE 60 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 0, 1); + cairo_paint (cr); + + /* Set an unbounded operator so that we can see how accurate the bounded + * extents were. + */ + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + cairo_set_source_rgb (cr, 1, 1, 1); + + /* Wind several boxes together that reduce to just one */ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_rectangle (cr, SIZE/2 - 20, SIZE/2 - 20, 40, 40); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (big_little_box, + "Tests that we tighten the bounds after tessellation.", + "fill", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/big-little-triangle.c b/test/big-little-triangle.c new file mode 100644 index 000000000..27eb2325e --- /dev/null +++ b/test/big-little-triangle.c @@ -0,0 +1,76 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* + * A variation on + * + * https://bugzilla.mozilla.org/show_bug.cgi?id=668921 + * + * The issue is that we failed to tighten the initial approximated bounds + * after tessellating the path. + */ + +#include "cairo-test.h" + +#define SIZE 60 + +static void +triangle (cairo_t *cr, double x, double y, double h) +{ + cairo_move_to (cr, x, y); + cairo_line_to (cr, x+h/2, y+h); + cairo_line_to (cr, x+h, y); + cairo_close_path (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 0, 1); + cairo_paint (cr); + + /* Set an unbounded operator so that we can see how accurate the bounded + * extents were. + */ + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + cairo_set_source_rgb (cr, 1, 1, 1); + + /* Wind several triangles together that reduce to just one */ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + triangle (cr, 0, 0, SIZE); + triangle (cr, 0, 0, SIZE); + triangle (cr, SIZE/2-20, SIZE/2 - 20, 40); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (big_little_triangle, + "Tests that we tighten the bounds after tessellation.", + "fill", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/big-trap.c b/test/big-trap.c new file mode 100644 index 000000000..5e11237a8 --- /dev/null +++ b/test/big-trap.c @@ -0,0 +1,92 @@ +/* + * Copyright © 2006 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" + +/* This test was originally written to exercise a bug in pixman in + * which it would scribble all over memory when given a particular + * (and bogus) trapezoid. However, a recent change to + * _cairo_fixed_from_double changed the details of the bogus trapezoid + * (it overflows in a different way now), so the bug is being masked. + * + * According to Vladimir, (http://lists.freedesktop.org/archives/cairo/2006-November/008482.html): + * + * Before the change, the two trapezoids that were generated were: + * + * Trap[0]: T: 0x80000000 B: 0x80000003 + * L: [(0x000a0000, 0x80000000) (0x00080000, 0x00080000)] + * R: [(0x01360000, 0x80000000) (0x01380000, 0x00080000)] + * Trap[1]: T: 0x80000003 B: 0x00080000 + * L: [(0x000a0000, 0x80000000) (0x00080000, 0x00080000)] + * R: [(0x01360000, 0x80000000) (0x01380000, 0x00080000)] + * + * After the change, the L/R coordinates are identical for both traps, but + * the top and bottom change: + * + * Trap[0]: t: 0x80000000 b: 0xfda80003 + * l: [(0x000a0000, 0x80000000) (0x00080000, 0x00080000)] + * r: [(0x01360000, 0x80000000) (0x01380000, 0x00080000)] + * Trap[1]: t: 0xfda80003 b: 0x00080000 + * l: [(0x000a0000, 0x80000000) (0x00080000, 0x00080000)] + * r: [(0x01360000, 0x80000000) (0x01380000, 0x00080000)] + * + * I think the fix we want here is to rewrite this test to call + * directly into pixman with the trapezoid of interest, (which will + * require adding a new way to configure cairo for "testing" which + * will prevent the hiding of internal library symbols. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0,0,0); + + /* Note that without the clip, this doesn't crash... */ + cairo_new_path (cr); + cairo_rectangle (cr, 0, 0, width, height); + cairo_clip (cr); + + cairo_new_path (cr); + cairo_line_to (cr, 8.0, 8.0); + cairo_line_to (cr, 312.0, 8.0); + cairo_line_to (cr, 310.0, 31378756.2666666666); + cairo_line_to (cr, 10.0, 31378756.2666666666); + cairo_line_to (cr, 8.0, 8.0); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +/* XFAIL: range overflow of fixed-point */ +CAIRO_TEST (big_trap, + "Test oversize trapezoid with a clip region" + "\nTest needs to be adjusted to trigger the original bug", + "trap", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, draw) diff --git a/test/bilevel-image.c b/test/bilevel-image.c new file mode 100644 index 000000000..4feff0e7a --- /dev/null +++ b/test/bilevel-image.c @@ -0,0 +1,63 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define RGBx 0xffff0000, 0xff00ff00, 0xff0000ff, 0x00000000 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + uint32_t data[] = { + RGBx, RGBx, RGBx, + RGBx, RGBx, RGBx, + RGBx, RGBx, RGBx, + RGBx, RGBx, RGBx, + }; + cairo_surface_t *mask; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + mask = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_ARGB32, 12, 4, 48); + + cairo_set_source_surface (cr, mask, 0, 0); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + + cairo_paint (cr); + + cairo_surface_finish (mask); /* data goes out of scope */ + cairo_surface_destroy (mask); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bilevel_image, + "Test that PS can embed an RGB image with a bilevel alpha channel.", + "alpha, ps", /* keywords */ + NULL, /* requirements */ + 12, 4, + NULL, draw) diff --git a/test/bitmap-font.c b/test/bitmap-font.c new file mode 100644 index 000000000..0ec9b3de5 --- /dev/null +++ b/test/bitmap-font.c @@ -0,0 +1,218 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> + +#include <cairo-ft.h> +#include <fontconfig/fontconfig.h> +#include <fontconfig/fcfreetype.h> + +#define FONT "6x13.pcf" +#define TEXT_SIZE 13 + +static cairo_bool_t +font_extents_equal (const cairo_font_extents_t *A, + const cairo_font_extents_t *B) +{ + return + CAIRO_TEST_DOUBLE_EQUALS (A->ascent, B->ascent) && + CAIRO_TEST_DOUBLE_EQUALS (A->descent, B->descent) && + CAIRO_TEST_DOUBLE_EQUALS (A->height, B->height) && + CAIRO_TEST_DOUBLE_EQUALS (A->max_x_advance, B->max_x_advance) && + CAIRO_TEST_DOUBLE_EQUALS (A->max_y_advance, B->max_y_advance); +} + +static cairo_test_status_t +check_font_extents (const cairo_test_context_t *ctx, cairo_t *cr, const char *comment) +{ + cairo_font_extents_t font_extents, ref_font_extents = {11, 2, 13, 6, 0}; + cairo_status_t status; + + memset (&font_extents, 0xff, sizeof (cairo_font_extents_t)); + cairo_font_extents (cr, &font_extents); + + status = cairo_status (cr); + if (status) + return cairo_test_status_from_status (ctx, status); + + if (! font_extents_equal (&font_extents, &ref_font_extents)) { + cairo_test_log (ctx, "Error: %s: cairo_font_extents(); extents (%g, %g, %g, %g, %g)\n", + comment, + font_extents.ascent, font_extents.descent, + font_extents.height, + font_extents.max_x_advance, font_extents.max_y_advance); + return CAIRO_TEST_FAILURE; + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + FcPattern *pattern; + cairo_font_face_t *font_face; + cairo_font_extents_t font_extents; + cairo_font_options_t *font_options; + cairo_status_t status; + char *filename; + int face_count; + struct stat stat_buf; + + xasprintf (&filename, "%s/%s", ctx->srcdir, FONT); + + if (stat (filename, &stat_buf) || ! S_ISREG (stat_buf.st_mode)) { + cairo_test_log (ctx, "Error finding font: %s: file not found?\n", filename); + return CAIRO_TEST_FAILURE; + } + + pattern = FcFreeTypeQuery ((unsigned char *)filename, 0, NULL, &face_count); + free (filename); + if (! pattern) { + cairo_test_log (ctx, "FcFreeTypeQuery failed.\n"); + return cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY); + } + + font_face = cairo_ft_font_face_create_for_pattern (pattern); + FcPatternDestroy (pattern); + + status = cairo_font_face_status (font_face); + if (status) { + cairo_test_log (ctx, "Error creating font face for %s: %s\n", + filename, + cairo_status_to_string (status)); + return cairo_test_status_from_status (ctx, status); + } + + if (cairo_font_face_get_type (font_face) != CAIRO_FONT_TYPE_FT) { + cairo_test_log (ctx, "Unexpected value from cairo_font_face_get_type: %d (expected %d)\n", + cairo_font_face_get_type (font_face), CAIRO_FONT_TYPE_FT); + cairo_font_face_destroy (font_face); + return CAIRO_TEST_FAILURE; + } + + cairo_set_font_face (cr, font_face); + cairo_font_face_destroy (font_face); + cairo_set_font_size (cr, 13); + + font_options = cairo_font_options_create (); + +#define CHECK_FONT_EXTENTS(comment) do {\ + cairo_test_status_t test_status; \ + test_status = check_font_extents (ctx, cr, (comment)); \ + if (test_status != CAIRO_TEST_SUCCESS) { \ + cairo_font_options_destroy (font_options); \ + return test_status; \ + } \ +} while (0) + + cairo_font_extents (cr, &font_extents); + CHECK_FONT_EXTENTS ("default"); + + cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_ON); + cairo_set_font_options (cr, font_options); + + CHECK_FONT_EXTENTS ("HINT_METRICS_ON"); + + cairo_move_to (cr, 1, font_extents.ascent - 1); + cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); /* blue */ + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE); + cairo_set_font_options (cr, font_options); + CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_NONE"); + cairo_show_text (cr, "the "); + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_SLIGHT); + cairo_set_font_options (cr, font_options); + CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_SLIGHT"); + cairo_show_text (cr, "quick "); + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_MEDIUM); + cairo_set_font_options (cr, font_options); + CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_MEDIUM"); + cairo_show_text (cr, "brown"); + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_FULL); + cairo_set_font_options (cr, font_options); + CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_FULL"); + cairo_show_text (cr, " fox"); + + /* Switch from show_text to text_path/fill to exercise bug #7889 */ + cairo_text_path (cr, " jumps over a lazy dog"); + cairo_fill (cr); + + /* And test it rotated as well for the sake of bug #7888 */ + + cairo_translate (cr, width, height); + cairo_rotate (cr, M_PI); + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_DEFAULT); + cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF); + cairo_set_font_options (cr, font_options); + CHECK_FONT_EXTENTS ("HINT_METRICS_OFF"); + + cairo_move_to (cr, 1, font_extents.height - font_extents.descent - 1); + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE); + cairo_set_font_options (cr, font_options); + CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_NONE"); + cairo_show_text (cr, "the "); + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_SLIGHT); + cairo_set_font_options (cr, font_options); + CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_SLIGHT"); + cairo_show_text (cr, "quick"); + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_MEDIUM); + cairo_set_font_options (cr, font_options); + CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_MEDIUM"); + cairo_show_text (cr, " brown"); + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_FULL); + cairo_set_font_options (cr, font_options); + CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_FULL"); + cairo_show_text (cr, " fox"); + + cairo_text_path (cr, " jumps over"); + cairo_text_path (cr, " a lazy dog"); + cairo_fill (cr); + + cairo_font_options_destroy (font_options); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bitmap_font, + "Test drawing with a font consisting only of bitmaps" + "\nThe PDF and PS backends embed a slightly distorted font for the rotated case.", + "text", /* keywords */ + "ft", /* requirements */ + 246 + 1, 2 * TEXT_SIZE, + NULL, draw) diff --git a/test/blur.c b/test/blur.c new file mode 100644 index 000000000..92b536712 --- /dev/null +++ b/test/blur.c @@ -0,0 +1,105 @@ +/* + * Copyright © 2013 Samsung Electronics + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Bryce Harrington <b.harrington@samsung.com> + * Henry Song <henry.song@samsung.com> + */ + +/* This test exercises gaussian blur rendering + */ + +/* When we build only for backends other than gl, + include <cairo-gl.h> in blur.c will give errors. +*/ +#if 0 +#include <stdio.h> +#include <stdlib.h> +#include <math.h> + +#include <cairo.h> +#include <cairo-gl.h> +#endif + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + + int line_width = 20; + int x = width / 2; + int y = height / 2; + int radius = width / 4; + + cairo_save (cr); + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_restore (cr); + + cairo_save (cr); + + /* drop shadow */ + cairo_arc (cr, x, y, radius, 0, 2 * M_PI); + cairo_set_line_width (cr, line_width); + cairo_set_draw_shadow_only (cr, 1); + cairo_set_shadow (cr, CAIRO_SHADOW_DROP); + cairo_set_shadow_rgba (cr, 0, 0, 0, 0.8); + cairo_set_shadow_blur (cr, 10, 10); + cairo_set_shadow_offset (cr, -42, -7); + cairo_stroke (cr); + + /* ring with inset shadow */ + cairo_arc (cr, x, y, radius, 0, 2 * M_PI); + cairo_set_line_width (cr, line_width); + cairo_set_source_rgb (cr, 0, 0.5, 0); + cairo_set_draw_shadow_only (cr, 0); + cairo_set_shadow (cr, CAIRO_SHADOW_INSET); + cairo_set_shadow_rgba (cr, 0, 0, 0, 1); + cairo_set_shadow_blur (cr, 5, 2); + cairo_set_shadow_offset (cr, 6, 1); + cairo_stroke (cr); + + /* draw spread */ + cairo_set_draw_shadow_only (cr, 1); + cairo_set_shadow (cr, CAIRO_SHADOW_DROP); + cairo_set_shadow_rgba (cr, 1, 1, 1, 1); + cairo_set_shadow_blur (cr, 5, 2); + cairo_set_line_width (cr, line_width/5); + cairo_set_source_rgb (cr, 0, 0.5, 0); + cairo_set_shadow_offset (cr, 6, 1); + cairo_arc (cr, x, y, radius, 0, 2 * M_PI); + cairo_stroke (cr); + + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (blur, + "Tests gaussian blur of a drawn image", + "gl, blur, operator", /* keywords */ + NULL, /* requirements */ + 256, 256, + NULL, draw) diff --git a/test/buffer-diff.c b/test/buffer-diff.c new file mode 100644 index 000000000..f3d90ca0d --- /dev/null +++ b/test/buffer-diff.c @@ -0,0 +1,268 @@ +/* imagediff - Compare two images + * + * Copyright © 2004 Richard D. Worth + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of Richard Worth + * not be used in advertising or publicity pertaining to distribution + * of the software without specific, written prior permission. + * Richard Worth makes no representations about the suitability of this + * software for any purpose. It is provided "as is" without express + * or implied warranty. + * + * RICHARD WORTH DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN + * NO EVENT SHALL RICHARD WORTH BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS + * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Richard D. Worth <richard@theworths.org> */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <errno.h> +#include <string.h> +#include <pixman.h> + +#include "cairo-test.h" + +#include "pdiff.h" +#include "buffer-diff.h" + +/* Don't allow any differences greater than this value, even if pdiff + * claims that the images are identical */ +#define PERCEPTUAL_DIFF_THRESHOLD 256 + +/* Compare two buffers, returning the number of pixels that are + * different and the maximum difference of any single color channel in + * result_ret. + * + * This function should be rewritten to compare all formats supported by + * cairo_format_t instead of taking a mask as a parameter. + */ +static void +buffer_diff_core (const unsigned char *_buf_a, int stride_a, + const unsigned char *_buf_b, int stride_b, + unsigned char *_buf_diff, int stride_diff, + int width, + int height, + uint32_t mask, + buffer_diff_result_t *result_ret) +{ + const uint32_t *buf_a = (const uint32_t*) _buf_a; + const uint32_t *buf_b = (const uint32_t*) _buf_b; + uint32_t *buf_diff = (uint32_t*) _buf_diff; + int x, y; + buffer_diff_result_t result = {0, 0}; + + stride_a /= sizeof (uint32_t); + stride_b /= sizeof (uint32_t); + stride_diff /= sizeof (uint32_t); + for (y = 0; y < height; y++) { + const uint32_t *row_a = buf_a + y * stride_a; + const uint32_t *row_b = buf_b + y * stride_b; + uint32_t *row = buf_diff + y * stride_diff; + + for (x = 0; x < width; x++) { + /* check if the pixels are the same */ + if ((row_a[x] & mask) != (row_b[x] & mask)) { + int channel; + uint32_t diff_pixel = 0; + + /* calculate a difference value for all 4 channels */ + for (channel = 0; channel < 4; channel++) { + int value_a = (row_a[x] >> (channel*8)) & 0xff; + int value_b = (row_b[x] >> (channel*8)) & 0xff; + unsigned int diff; + diff = abs (value_a - value_b); + if (diff > result.max_diff) + result.max_diff = diff; + diff *= 4; /* emphasize */ + if (diff) + diff += 128; /* make sure it's visible */ + if (diff > 255) + diff = 255; + diff_pixel |= diff << (channel*8); + } + + result.pixels_changed++; + if ((diff_pixel & 0x00ffffff) == 0) { + /* alpha only difference, convert to luminance */ + uint8_t alpha = diff_pixel >> 24; + diff_pixel = alpha * 0x010101; + } + row[x] = diff_pixel; + } else { + row[x] = 0; + } + row[x] |= 0xff000000; /* Set ALPHA to 100% (opaque) */ + } + } + + *result_ret = result; +} + +/* Compares two image surfaces + * + * Provides number of pixels changed and maximum single-channel + * difference in result. + * + * Also fills in a "diff" surface intended to visually show where the + * images differ. + */ +static void +compare_surfaces (const cairo_test_context_t *ctx, + cairo_surface_t *surface_a, + cairo_surface_t *surface_b, + cairo_surface_t *surface_diff, + buffer_diff_result_t *result) +{ + /* These default values were taken straight from the + * perceptualdiff program. We'll probably want to tune these as + * necessary. */ + double gamma = 2.2; + double luminance = 100.0; + double field_of_view = 45.0; + float pixels_changed_percentage = 0.05; + int discernible_pixels_changed; + int pixels_tolerance; + int width, height; + + /* First, we run cairo's old buffer_diff algorithm which looks for + * pixel-perfect images, (we do this first since the test suite + * runs about 3x slower if we run pdiff_compare first). + */ + buffer_diff_core (cairo_image_surface_get_data (surface_a), + cairo_image_surface_get_stride (surface_a), + cairo_image_surface_get_data (surface_b), + cairo_image_surface_get_stride (surface_b), + cairo_image_surface_get_data (surface_diff), + cairo_image_surface_get_stride (surface_diff), + cairo_image_surface_get_width (surface_a), + cairo_image_surface_get_height (surface_a), + cairo_surface_get_content (surface_a) & CAIRO_CONTENT_ALPHA ? 0xffffffff : 0x00ffffff, + result); + if (result->pixels_changed == 0) + return; + + cairo_test_log (ctx, + "%d pixels differ (with maximum difference of %d) from reference image\n", + result->pixels_changed, result->max_diff); + + /* Then, if there are any different pixels, we give the pdiff code + * a crack at the images. If it decides that there are no visually + * discernible differences in any pixels, then we accept this + * result as good enough. + * + * Only let pdiff have a crack at the comparison if the max difference + * is lower than a threshold, otherwise some problems could be masked. + */ + if (result->max_diff < PERCEPTUAL_DIFF_THRESHOLD) { + width = cairo_image_surface_get_width (surface_a); + height = cairo_image_surface_get_height (surface_a); + pixels_tolerance = width * height * pixels_changed_percentage; + discernible_pixels_changed = pdiff_compare (surface_a, surface_b, + gamma, luminance, field_of_view); + if (discernible_pixels_changed <= pixels_tolerance) { + result->pixels_changed = 0; + cairo_test_log (ctx, + "But perceptual diff finds no visually discernible difference.\n" + "Accepting result.\n"); + } + } +} + +void +buffer_diff_noalpha (const unsigned char *buf_a, + const unsigned char *buf_b, + unsigned char *buf_diff, + int width, + int height, + int stride, + buffer_diff_result_t *result) +{ + buffer_diff_core(buf_a, stride, + buf_b, stride, + buf_diff, stride, + width, height, + 0x00ffffff, + result); +} + +static cairo_bool_t +same_size (cairo_surface_t *a, cairo_surface_t *b) +{ + unsigned int width_a, height_a; + unsigned int width_b, height_b; + + width_a = cairo_image_surface_get_width (a); + height_a = cairo_image_surface_get_height (a); + + width_b = cairo_image_surface_get_width (b); + height_b = cairo_image_surface_get_height (b); + + return width_a == width_b && height_a == height_b; +} + +/* Image comparison code courtesy of Richard Worth <richard@theworths.org> + * Returns number of pixels changed, (or -1 on error). + * Also saves a "diff" image intended to visually show where the + * images differ. + * + * The return value simply indicates whether a check was successfully + * made, (as opposed to a file-not-found condition or similar). It + * does not indicate anything about how much the images differ. For + * that, see result. + * + * One failure mode is if the two images provided do not have the same + * dimensions. In this case, this function will return + * CAIRO_STATUS_SURFACE_TYPE_MISMATCH (which is a bit of an abuse, but + * oh well). + */ +cairo_status_t +image_diff (const cairo_test_context_t *ctx, + cairo_surface_t *surface_a, + cairo_surface_t *surface_b, + cairo_surface_t *surface_diff, + buffer_diff_result_t *result) +{ + if (cairo_surface_status (surface_a)) + return cairo_surface_status (surface_a); + + if (cairo_surface_status (surface_b)) + return cairo_surface_status (surface_b); + + if (cairo_surface_status (surface_diff)) + return cairo_surface_status (surface_diff); + + if (! same_size (surface_a, surface_b) || + ! same_size (surface_a, surface_diff)) + { + cairo_test_log (ctx, "Error: Image size mismatch\n"); + return CAIRO_STATUS_SURFACE_TYPE_MISMATCH; + } + + compare_surfaces (ctx, surface_a, surface_b, surface_diff, result); + + return CAIRO_STATUS_SUCCESS; +} + +cairo_bool_t +image_diff_is_failure (const buffer_diff_result_t *result, + unsigned int tolerance) +{ + return result->pixels_changed && + result->max_diff > tolerance; +} diff --git a/test/buffer-diff.h b/test/buffer-diff.h new file mode 100644 index 000000000..2cbb8959c --- /dev/null +++ b/test/buffer-diff.h @@ -0,0 +1,73 @@ +/* imagediff - Compare two images + * + * Copyright © 2004 Richard D. Worth + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of the authors + * not be used in advertising or publicity pertaining to distribution + * of the software without specific, written prior permission. + * The authors make no representations about the suitability of this + * software for any purpose. It is provided "as is" without express + * or implied warranty. + * + * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN + * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS + * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Richard D. Worth <richard@theworths.org> + * Carl Worth <cworth@cworth.org> + */ + +#ifndef BUFFER_DIFF_H +#define BUFFER_DIFF_H + +#include "cairo-test.h" + +typedef struct _buffer_diff_result { + unsigned int pixels_changed; + unsigned int max_diff; +} buffer_diff_result_t; + +/* Compares two image buffers ignoring the alpha channel. + * + * Provides number of pixels changed and maximum single-channel + * difference in result. + * + * Also fills in a "diff" buffer intended to visually show where the + * images differ. + */ +void +buffer_diff_noalpha (const unsigned char *buf_a, + const unsigned char *buf_b, + unsigned char *buf_diff, + int width, + int height, + int stride, + buffer_diff_result_t *result); + +/* The central algorithm to compare two images, and return the differences + * in the surface_diff. + * + * Provides number of pixels changed and maximum single-channel + * difference in result. + */ +cairo_status_t +image_diff (const cairo_test_context_t *ctx, + cairo_surface_t *surface_a, + cairo_surface_t *surface_b, + cairo_surface_t *surface_diff, + buffer_diff_result_t *result); + +cairo_bool_t +image_diff_is_failure (const buffer_diff_result_t *result, + unsigned int tolerance); + +#endif diff --git a/test/bug-40410.c b/test/bug-40410.c new file mode 100644 index 000000000..2d6e512c0 --- /dev/null +++ b/test/bug-40410.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2011 Krzysztof Kosiński + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Krzysztof Kosiński <tweenk.pl@gmail.com> + */ + +#include "cairo-test.h" + +#define WIDTH 300 +#define HEIGHT 100 + +/* + * The bug appears to be triggered if: + * 1. There is more than one subpath + * 2. All subpaths are axis-aligned rectangles + * 3. Only one of the subpaths is within surface bounds + * + * Tweaking any of the coordinates so that there is at least one + * non-axis-aligned segment or removing the second subpath (the one that is + * outside the surface bounds) causes the bug to disappear. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + + cairo_move_to (cr, 10.3, 10.6); + cairo_line_to (cr, 10.3, 150.2); + cairo_line_to (cr, 290.1, 150.2); + cairo_line_to (cr, 290.1, 10.6); + cairo_close_path (cr); + + cairo_move_to (cr, 10.3, 180.7); + cairo_line_to (cr, 10.3, 230.2); + cairo_line_to (cr, 290.1, 230.2); + cairo_line_to (cr, 290.1, 180.7); + cairo_close_path (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_40410, + "Exercises a bug found in 1.10.2 (and never again!)", + "fill", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/bug-51910.c b/test/bug-51910.c new file mode 100644 index 000000000..37881de3e --- /dev/null +++ b/test/bug-51910.c @@ -0,0 +1,91 @@ +/* + * Copyright © 2012 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "cairo-test.h" + +/* An error in xlib pattern transformation discovered by Albertas Vyšniauskas */ + +static cairo_pattern_t * +source(void) +{ + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_matrix_t matrix; + cairo_t *cr; + int i; + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 32, 32); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_set_line_width (cr, 2); + + for (i = -1; i <= 8; i++) { + cairo_move_to (cr, -34 + 8*i, 34); + cairo_rel_line_to (cr, 36, -36); + cairo_stroke (cr); + } + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy (cr); + + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + + cairo_matrix_init_translate(&matrix, 14.1, 0); + cairo_pattern_set_matrix(pattern, &matrix); + + return pattern; +} + + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + int i; + + cairo_paint (cr); + + pattern = source (); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + for (i = 0; i < 8; i++) { + cairo_rectangle (cr, 3.5*i, 32*i, 256, 32); + cairo_fill (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_51910, + "A bug in the xlib pattern transformation", + " paint", /* keywords */ + NULL, /* requirements */ + 256, 256, + NULL, draw) diff --git a/test/bug-84115.c b/test/bug-84115.c new file mode 100644 index 000000000..4db113c5c --- /dev/null +++ b/test/bug-84115.c @@ -0,0 +1,61 @@ +/* + * Copyright © 2011 Krzysztof Kosiński + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Krzysztof Kosiński <tweenk.pl@gmail.com> + */ + +#include "cairo-test.h" + +#define WIDTH 800 +#define HEIGHT 800 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double lw = 800; + int n = 0; + + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + + cairo_set_source_rgba (cr, 0, 0, 0, .4); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + do { + cairo_set_line_width(cr, lw); + cairo_arc(cr, WIDTH/2, HEIGHT/2, lw/2, + 2*M_PI*(13*n + 1) / 130, 2*M_PI*(13*n + 12) / 130); + cairo_stroke(cr); + + n++; + lw /= 1.1; + } while (lw > 0.5); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_84115, + "Exercises a bug found in stroke generation using trapezoids", + "stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/bug-bo-collins.c b/test/bug-bo-collins.c new file mode 100644 index 000000000..cf6d688e3 --- /dev/null +++ b/test/bug-bo-collins.c @@ -0,0 +1,76 @@ +/* + * Copyright © 2012 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_translate (cr, 0, 0); + cairo_save (cr); + cairo_rectangle (cr, 10, 10, 20, 20); + cairo_rectangle (cr, 20, 10, -10, 10); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, 40, 0); + cairo_save (cr); + cairo_rectangle (cr, 10, 10, 20, 20); + cairo_rectangle (cr, 30, 10, -10, 10); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, 0, 40); + cairo_save (cr); + cairo_rectangle (cr, 10, 10, 20, 20); + cairo_rectangle (cr, 30, 20, -10, 10); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, -40, 0); + cairo_save (cr); + cairo_rectangle (cr, 10, 10, 20, 20); + cairo_rectangle (cr, 20, 20, -10, 10); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_bo_collins, + "Exercises a bug discovered by S. Christian Collins", + "clip, rectangular", /* keywords */ + NULL, /* requirements */ + 80, 80, + NULL, draw) diff --git a/test/bug-bo-rectangular.c b/test/bug-bo-rectangular.c new file mode 100644 index 000000000..08e2e494a --- /dev/null +++ b/test/bug-bo-rectangular.c @@ -0,0 +1,67 @@ +/* + * Copyright 2010 Red Hat + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.com> + */ + +#include "cairo-test.h" + +static void +rect (cairo_t *cr, int x1, int y1, int x2, int y2) +{ + cairo_rectangle (cr, x1, y1, x2 - x1, y2 - y1); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + cairo_scale (cr, 1./256, 1./256); + + rect (cr, 0, 0, 29696, 7680); + rect (cr, 0, 0, -15360, 15360); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1, 0.5, 0); + cairo_paint (cr); + + rect (cr, 9984, 0, 2969, 3840); + rect (cr, 0, 3840, 9472, 7680); + cairo_clip (cr); + + rect (cr, 0, 3840, 3584, 7680); + cairo_set_source_rgb (cr, 1, 0, 0.5); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_bo_rectangular, + "Tests a bug found by Benjamin Otte in the rectangular tessellator", + "tessellator", /* keywords */ + NULL, /* requirements */ + 300, 300, + NULL, draw) diff --git a/test/bug-bo-ricotz.c b/test/bug-bo-ricotz.c new file mode 100644 index 000000000..9524d208d --- /dev/null +++ b/test/bug-bo-ricotz.c @@ -0,0 +1,74 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* An assertion failure found by Rico Tzschichholz */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_rectangle (cr, 10, 55,165, 1); + cairo_rectangle (cr, 174, 55,1, 413); + cairo_rectangle (cr, 10, 56, 1, 413); + cairo_rectangle (cr, 10, 469, 165, 1); + cairo_clip (cr); + + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + cairo_move_to (cr, 10, 57); + cairo_curve_to (cr, 10, 55.894531, 10.894531, 55, 12, 55); + cairo_line_to (cr, 173, 55); + cairo_curve_to (cr, 174.105469, 55, 175, 55.894531, 175, 57); + cairo_line_to (cr, 175, 468); + cairo_curve_to (cr, 175, 469.105469, 174.105469, 470, 173, 470); + cairo_line_to (cr, 12, 470); + cairo_curve_to (cr, 10.894531, 470, 10, 469.105469, 10, 468); + + cairo_move_to (cr, 11, 57); + cairo_curve_to (cr, 11, 56.449219, 11.449219, 56, 12, 56); + cairo_line_to (cr, 173, 56); + cairo_curve_to (cr, 173.550781, 56, 174, 56.449219, 174, 57); + cairo_line_to (cr, 174, 468); + cairo_curve_to (cr, 174, 468.550781, 173.550781, 469, 173, 469); + cairo_line_to (cr, 12, 469); + cairo_curve_to (cr, 11.449219, 469, 11, 468.550781, 11, 468); + + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_bo_ricotz, + "Exercises a bug discovered by Rico Tzschichholz", + "clip, fill", /* keywords */ + NULL, /* requirements */ + 649, 480, + NULL, draw) diff --git a/test/bug-extents.c b/test/bug-extents.c new file mode 100644 index 000000000..4edb4a548 --- /dev/null +++ b/test/bug-extents.c @@ -0,0 +1,59 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 0, -25); + + cairo_move_to (cr, 50, 200); + cairo_curve_to (cr, 50, 150, 100, 50, 150, 50); + cairo_curve_to (cr, 200, 50, 250, 250, 200, 250); + cairo_curve_to (cr, 150, 250, 200, 50, 50, 100); + cairo_curve_to (cr, -100, 150, 200, 150, 200, 200); + cairo_curve_to (cr, 200, 250, 50, 250, 50, 200); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_fill_preserve (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_extents, + "Tests a bug in the computation of approximate extents", + "extents", /* keywords */ + NULL, /* requirements */ + 250, 250, + NULL, draw) diff --git a/test/bug-seams.c b/test/bug-seams.c new file mode 100644 index 000000000..01e84ff06 --- /dev/null +++ b/test/bug-seams.c @@ -0,0 +1,120 @@ +/* + * Copyright 2010 Soeren Sandmann Pedersen + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Soeren Sandmann <sandmann@daimi.au.dk> + */ + +/* Exercises a case of seam appearing between two polygons in the image + * backend but not in xlib [using pixman]. + * + * The test case draws two abutting quads both individually on the + * leftm combining them with operator ADD, and in one go on the right. + * Both methods should show no signs of seaming at the common edge + * between the two quads, but the individually drawn ones have a + * slight seam. + * + * The cause of the seam is that there are slight differences in the + * output of the analytical coverage rasterization and the + * supersampling rasterization methods, both employed by + * cairo-tor-scan-converter. When drawn individually, the scan + * converter gets a partial view of the geometry at a time, so it ends + * up making different decisions about which scanlines it rasterizes + * with which method, compared to when the geometry is draw all at + * once. Though both methods produce seamless results individually + * (where applicable), they don't produce bit-exact identical results, + * and hence we get seaming where they meet. + */ + +#include "cairo-test.h" + +static void +draw_quad (cairo_t *cr, + double x1, double y1, double x2, double y2, + double x3, double y3, double x4, double y4) +{ + cairo_move_to (cr, x1, y1); + cairo_line_to (cr, x2, y2); + cairo_line_to (cr, x3, y3); + cairo_line_to (cr, x4, y4); + cairo_close_path (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + cairo_scale (cr, 20, 20); + cairo_translate (cr, 5, 1); + + /* On the left side, we have two quads drawn one at a time and + * combined with OPERATOR_ADD. This should be seamless, but + * isn't. */ + cairo_push_group (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + + cairo_set_source_rgb (cr, 0, 0.6, 0); + draw_quad (cr, + 1.50, 1.50, + 2.64, 1.63, + 1.75, 2.75, + 0.55, 2.63); + cairo_fill (cr); + draw_quad (cr, + 0.55, 2.63, + 1.75, 2.75, + 0.98, 4.11, + -0.35, 4.05); + cairo_fill (cr); + + cairo_pop_group_to_source (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_paint (cr); + + /* On the right side, we have the same two quads drawn both at the + * same time. This is seamless. */ + cairo_translate (cr, 10, 0); + + cairo_set_source_rgb (cr, 0, 0.6, 0); + draw_quad (cr, + 1.50, 1.50, + 2.64, 1.63, + 1.75, 2.75, + 0.55, 2.63); + draw_quad (cr, + 0.55, 2.63, + 1.75, 2.75, + 0.98, 4.11, + -0.35, 4.05); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_seams, + "Check the fidelity of the rasterisation.", + "raster", /* keywords */ + "target=raster", /* requirements */ + 500, 300, + NULL, draw) diff --git a/test/bug-source-cu.c b/test/bug-source-cu.c new file mode 100644 index 000000000..4c1e2bc63 --- /dev/null +++ b/test/bug-source-cu.c @@ -0,0 +1,81 @@ +/* + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "cairo-test.h" + +static cairo_pattern_t * +create_pattern (cairo_surface_t *target) +{ + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_t *cr; + cairo_matrix_t m; + + surface = cairo_surface_create_similar(target, + cairo_surface_get_content (target), + 1000, 600); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint(cr); + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy(cr); + + cairo_matrix_init_translate (&m, 0, 0.1); // y offset must be non-integer + cairo_pattern_set_matrix (pattern, &m); + return pattern; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + cairo_new_path (cr); + cairo_move_to (cr, 10, 400.1); + cairo_line_to (cr, 990, 400.1); + cairo_line_to (cr, 990, 600); + cairo_line_to (cr, 10, 600); + cairo_close_path (cr); + + pattern = create_pattern (cairo_get_target (cr)); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + cairo_fill(cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_source_cu, + "Exercises a bug discovered in the tracking of unbounded source extents", + "fill", /* keywords */ + NULL, /* requirements */ + 1000, 600, + NULL, draw) diff --git a/test/bug-spline.c b/test/bug-spline.c new file mode 100644 index 000000000..9a54a7c8c --- /dev/null +++ b/test/bug-spline.c @@ -0,0 +1,95 @@ +/* cc `pkg-config --cflags --libs cairo` cairo-spline-image.c -o cairo-spline-image */ + +/* Copyright © 2005 Carl Worth + * Copyright © 2012 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "cairo-test.h" + +#define WIDE_LINE_WIDTH 160 +#define NARROW_LINE_WIDTH 2 + +/* A spline showing bugs in the "contour-based stroking" in cairo 1.12 */ +static const struct spline { + struct { double x, y; } pt[5]; + double line_width; + double rgba[4]; +} splines[] = { + { + { + { 172.25, 156.185 }, + { 177.225, 164.06 }, + { 176.5, 157.5 }, + { 175.5, 159.5 }, + }, + WIDE_LINE_WIDTH, + { 1, 1, 1, 1 }, + }, + { + { + { 571.25, 247.185 }, + { 78.225, 224.06 }, + { 129.5, 312.5 }, + { 210.5, 224.5 }, + }, + NARROW_LINE_WIDTH, + { 1, 0, 0, 1 }, + } +}; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + unsigned n; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE); + + for (n = 0; n < ARRAY_LENGTH(splines); n++) { + cairo_set_line_width (cr, splines[n].line_width); + cairo_set_source_rgba (cr, + splines[n].rgba[0], + splines[n].rgba[1], + splines[n].rgba[2], + splines[n].rgba[3]); + + cairo_move_to (cr, splines[n].pt[0].x, splines[n].pt[0].y); + cairo_curve_to (cr, + splines[n].pt[1].x, splines[n].pt[1].y, + splines[n].pt[2].x, splines[n].pt[2].y, + splines[n].pt[3].x, splines[n].pt[3].y); + + cairo_stroke (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (bug_spline, + "Exercises a bug in the stroking of splines", + "spline, stroke", /* keywords */ + NULL, /* requirements */ + 300, 300, + NULL, draw) diff --git a/test/cairo-test-private.h b/test/cairo-test-private.h new file mode 100644 index 000000000..cfd22de4e --- /dev/null +++ b/test/cairo-test-private.h @@ -0,0 +1,72 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#ifndef _CAIRO_TEST_PRIVATE_H_ +#define _CAIRO_TEST_PRIVATE_H_ + +#include "cairo-test.h" + +/* For communication between the core components of cairo-test and not + * for the tests themselves. + */ + +CAIRO_BEGIN_DECLS + +typedef enum { + DIRECT, + SIMILAR +} cairo_test_similar_t; + +cairo_test_similar_t +cairo_test_target_has_similar (const cairo_test_context_t *ctx, + const cairo_boilerplate_target_t *target); + +cairo_test_status_t +_cairo_test_context_run_for_target (cairo_test_context_t *ctx, + const cairo_boilerplate_target_t *target, + cairo_bool_t similar, + int dev_offset, int dev_scale); + +void +_cairo_test_context_init_for_test (cairo_test_context_t *ctx, + const cairo_test_context_t *parent, + const cairo_test_t *test); + +void +cairo_test_init (cairo_test_context_t *ctx, + const char *test_name, + const char *output); + +void +cairo_test_fini (cairo_test_context_t *ctx); + +void +_cairo_test_runner_register_tests (void); + +CAIRO_END_DECLS + +#endif /* _CAIRO_TEST_PRIVATE_H_ */ diff --git a/test/cairo-test-runner.c b/test/cairo-test-runner.c new file mode 100644 index 000000000..f9e7d4712 --- /dev/null +++ b/test/cairo-test-runner.c @@ -0,0 +1,1108 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test-private.h" +#include "cairo-boilerplate-getopt.h" + +/* get the "real" version info instead of dummy cairo-version.h */ +#undef CAIRO_VERSION_H +#undef CAIRO_VERSION_MAJOR +#undef CAIRO_VERSION_MINOR +#undef CAIRO_VERSION_MICRO +#include "../cairo-version.h" + +#include <pixman.h> /* for version information */ + +#define SHOULD_FORK HAVE_FORK && HAVE_WAITPID +#if SHOULD_FORK +#if HAVE_UNISTD_H +#include <unistd.h> +#endif +#if HAVE_SIGNAL_H +#include <signal.h> +#endif +#include <sys/types.h> +#include <sys/wait.h> +#endif +#if HAVE_LIBGEN_H +#include <libgen.h> +#endif + +#if HAVE_VALGRIND +#include <valgrind.h> +#else +#define RUNNING_ON_VALGRIND 0 +#endif + +#ifdef _MSC_VER +#include <crtdbg.h> +#endif + +typedef struct _cairo_test_list { + const cairo_test_t *test; + struct _cairo_test_list *next; +} cairo_test_list_t; + +typedef struct _cairo_test_runner { + cairo_test_context_t base; + + unsigned int num_device_offsets; + unsigned int num_device_scales; + + cairo_bool_t passed; + int num_passed; + int num_skipped; + int num_failed; + int num_xfailed; + int num_error; + int num_crashed; + + cairo_test_list_t *crashes_preamble; + cairo_test_list_t *errors_preamble; + cairo_test_list_t *fails_preamble; + + cairo_test_list_t **crashes_per_target; + cairo_test_list_t **errors_per_target; + cairo_test_list_t **fails_per_target; + + int *num_failed_per_target; + int *num_error_per_target; + int *num_crashed_per_target; + + cairo_bool_t foreground; + cairo_bool_t exit_on_failure; + cairo_bool_t list_only; + cairo_bool_t full_test; + cairo_bool_t keyword_match; + cairo_bool_t slow; + cairo_bool_t force_pass; +} cairo_test_runner_t; + +typedef enum { + GE, + GT +} cairo_test_compare_op_t; + +static cairo_test_list_t *tests; + +static void CAIRO_BOILERPLATE_PRINTF_FORMAT(2,3) +_log (cairo_test_context_t *ctx, + const char *fmt, + ...) +{ + va_list ap; + + va_start (ap, fmt); + vprintf (fmt, ap); + va_end (ap); + + va_start (ap, fmt); + cairo_test_logv (ctx, fmt, ap); + va_end (ap); +} + +static cairo_test_list_t * +_list_prepend (cairo_test_list_t *head, const cairo_test_t *test) +{ + cairo_test_list_t *list; + + list = xmalloc (sizeof (cairo_test_list_t)); + list->test = test; + list->next = head; + head = list; + + return head; +} + +static cairo_test_list_t * +_list_reverse (cairo_test_list_t *head) +{ + cairo_test_list_t *list, *next; + + for (list = head, head = NULL; list != NULL; list = next) { + next = list->next; + list->next = head; + head = list; + } + + return head; +} + +static void +_list_free (cairo_test_list_t *list) +{ + while (list != NULL) { + cairo_test_list_t *next = list->next; + free (list); + list = next; + } +} + +static cairo_bool_t +is_running_under_debugger (void) +{ +#if HAVE_UNISTD_H && HAVE_LIBGEN_H && __linux__ + char buf[1024]; + + sprintf (buf, "/proc/%d/exe", getppid ()); + if (readlink (buf, buf, sizeof (buf)) != -1 && + strncmp (basename (buf), "gdb", 3) == 0) + { + return TRUE; + } +#endif + + if (RUNNING_ON_VALGRIND) + return TRUE; + + return FALSE; +} + +#if SHOULD_FORK +static cairo_test_status_t +_cairo_test_wait (pid_t pid) +{ + int exitcode; + + if (waitpid (pid, &exitcode, 0) != pid) + return CAIRO_TEST_CRASHED; + + if (WIFSIGNALED (exitcode)) { + switch (WTERMSIG (exitcode)) { + case SIGINT: +#if HAVE_RAISE + raise (SIGINT); +#endif + return CAIRO_TEST_UNTESTED; + default: + return CAIRO_TEST_CRASHED; + } + } + + return WEXITSTATUS (exitcode); +} +#endif + +static cairo_test_status_t +_cairo_test_runner_preamble (cairo_test_runner_t *runner, + cairo_test_context_t *ctx) +{ +#if SHOULD_FORK + if (! runner->foreground) { + pid_t pid; + + switch ((pid = fork ())) { + case -1: /* error */ + return CAIRO_TEST_UNTESTED; + + case 0: /* child */ + exit (ctx->test->preamble (ctx)); + + default: + return _cairo_test_wait (pid); + } + } +#endif + return ctx->test->preamble (ctx); +} + +static cairo_test_status_t +_cairo_test_runner_draw (cairo_test_runner_t *runner, + cairo_test_context_t *ctx, + const cairo_boilerplate_target_t *target, + cairo_bool_t similar, + int device_offset, int device_scale) +{ +#if SHOULD_FORK + if (! runner->foreground) { + pid_t pid; + + switch ((pid = fork ())) { + case -1: /* error */ + return CAIRO_TEST_UNTESTED; + + case 0: /* child */ + exit (_cairo_test_context_run_for_target (ctx, target, + similar, device_offset, device_scale)); + + default: + return _cairo_test_wait (pid); + } + } +#endif + return _cairo_test_context_run_for_target (ctx, target, + similar, device_offset, device_scale); +} + +static void +append_argv (int *argc, char ***argv, const char *str) +{ + int old_argc; + char **old_argv; + cairo_bool_t doit; + const char *s, *t; + int olen; + int len; + int i; + int args_to_add = 0; + + if (str == NULL) + return; + + old_argc = *argc; + old_argv = *argv; + + doit = FALSE; + do { + if (doit) + *argv = xmalloc (olen); + + olen = sizeof (char *) * (args_to_add + *argc); + for (i = 0; i < old_argc; i++) { + len = strlen (old_argv[i]) + 1; + if (doit) { + (*argv)[i] = (char *) *argv + olen; + memcpy ((*argv)[i], old_argv[i], len); + } + olen += len; + } + + s = str; + while ((t = strpbrk (s, " \t,:;")) != NULL) { + if (t - s) { + len = t - s; + if (doit) { + (*argv)[i] = (char *) *argv + olen; + memcpy ((*argv)[i], s, len); + (*argv)[i][len] = '\0'; + } else { + olen += sizeof (char *); + } + args_to_add++; + olen += len + 1; + i++; + } + s = t + 1; + } + if (*s != '\0') { + len = strlen (s) + 1; + if (doit) { + (*argv)[i] = (char *) *argv + olen; + memcpy ((*argv)[i], s, len); + } else { + olen += sizeof (char *); + } + args_to_add++; + olen += len; + i++; + } + } while (doit++ == FALSE); + *argc = i; +} + +static void +usage (const char *argv0) +{ + fprintf (stderr, + "Usage: %s [-afkxsl] [test-names|keywords ...]\n" + "\n" + "Run the cairo conformance test suite over the given tests (all by default)\n" + "The command-line arguments are interpreted as follows:\n" + "\n" + " -a all; run the full set of tests. By default the test suite\n" + " skips similar surface and device offset testing.\n" + " -f foreground; do not fork\n" + " -k match tests by keyword\n" + " -l list only; just list selected test case names without executing\n" + " -s include slow, long running tests\n" + " -x exit on first failure\n" + "\n" + "If test names are given they are used as matches either to a specific\n" + "test case or to a keyword, so a command such as\n" + "\"%s -k text\" can be used to run all text test cases, and\n" + "\"%s text-transform\" to run the individual case.\n", + argv0, argv0, argv0); +} + +static void +_parse_cmdline (cairo_test_runner_t *runner, int *argc, char **argv[]) +{ + int c; + + while (1) { + c = _cairo_getopt (*argc, *argv, ":afklsx"); + if (c == -1) + break; + + switch (c) { + case 'a': + runner->full_test = ~0; + break; + case 'f': + runner->foreground = TRUE; + break; + case 'k': + runner->keyword_match = TRUE; + break; + case 'l': + runner->list_only = TRUE; + break; + case 's': + runner->slow = TRUE; + break; + case 'x': + runner->exit_on_failure = TRUE; + break; + default: + fprintf (stderr, "Internal error: unhandled option: %c\n", c); + /* fall-through */ + case '?': + usage ((*argv)[0]); + exit (1); + } + } + + *argc -= optind; + *argv += optind; +} + +static void +_runner_init (cairo_test_runner_t *runner) +{ + cairo_test_init (&runner->base, "cairo-test-suite", "."); + + runner->passed = TRUE; + + runner->fails_preamble = NULL; + runner->crashes_preamble = NULL; + runner->errors_preamble = NULL; + + runner->fails_per_target = xcalloc (sizeof (cairo_test_list_t *), + runner->base.num_targets); + runner->crashes_per_target = xcalloc (sizeof (cairo_test_list_t *), + runner->base.num_targets); + runner->errors_per_target = xcalloc (sizeof (cairo_test_list_t *), + runner->base.num_targets); + runner->num_failed_per_target = xcalloc (sizeof (int), + runner->base.num_targets); + runner->num_error_per_target = xcalloc (sizeof (int), + runner->base.num_targets); + runner->num_crashed_per_target = xcalloc (sizeof (int), + runner->base.num_targets); +} + +static void +_runner_print_versions (cairo_test_runner_t *runner) +{ + _log (&runner->base, + "Compiled against cairo %s, running on %s.\n", + CAIRO_VERSION_STRING, cairo_version_string ()); + _log (&runner->base, + "Compiled against pixman %s, running on %s.\n", + PIXMAN_VERSION_STRING, pixman_version_string ()); + + fflush (runner->base.log_file); +} + +static void +_runner_print_summary (cairo_test_runner_t *runner) +{ + _log (&runner->base, + "%d Passed, %d Failed [%d crashed, %d expected], %d Skipped\n", + runner->num_passed, + + runner->num_failed + runner->num_crashed + runner->num_xfailed, + runner->num_crashed, + runner->num_xfailed, + + runner->num_skipped); +} + +static void +_runner_print_details (cairo_test_runner_t *runner) +{ + cairo_test_list_t *list; + unsigned int n; + + if (runner->crashes_preamble) { + int count = 0; + + for (list = runner->crashes_preamble; list != NULL; list = list->next) + count++; + + _log (&runner->base, "Preamble: %d crashed! -", count); + + for (list = runner->crashes_preamble; list != NULL; list = list->next) { + char *name = cairo_test_get_name (list->test); + _log (&runner->base, " %s", name); + free (name); + } + _log (&runner->base, "\n"); + } + if (runner->errors_preamble) { + int count = 0; + + for (list = runner->errors_preamble; list != NULL; list = list->next) + count++; + + _log (&runner->base, "Preamble: %d error -", count); + + for (list = runner->errors_preamble; list != NULL; list = list->next) { + char *name = cairo_test_get_name (list->test); + _log (&runner->base, " %s", name); + free (name); + } + _log (&runner->base, "\n"); + } + if (runner->fails_preamble) { + int count = 0; + + for (list = runner->fails_preamble; list != NULL; list = list->next) + count++; + + _log (&runner->base, "Preamble: %d failed -", count); + + for (list = runner->fails_preamble; list != NULL; list = list->next) { + char *name = cairo_test_get_name (list->test); + _log (&runner->base, " %s", name); + free (name); + } + _log (&runner->base, "\n"); + } + + for (n = 0; n < runner->base.num_targets; n++) { + const cairo_boilerplate_target_t *target; + + target = runner->base.targets_to_test[n]; + if (runner->num_crashed_per_target[n]) { + _log (&runner->base, "%s (%s): %d crashed! -", + target->name, + cairo_boilerplate_content_name (target->content), + runner->num_crashed_per_target[n]); + + for (list = runner->crashes_per_target[n]; + list != NULL; + list = list->next) + { + char *name = cairo_test_get_name (list->test); + _log (&runner->base, " %s", name); + free (name); + } + _log (&runner->base, "\n"); + } + if (runner->num_error_per_target[n]) { + _log (&runner->base, "%s (%s): %d error -", + target->name, + cairo_boilerplate_content_name (target->content), + runner->num_error_per_target[n]); + + for (list = runner->errors_per_target[n]; + list != NULL; + list = list->next) + { + char *name = cairo_test_get_name (list->test); + _log (&runner->base, " %s", name); + free (name); + } + _log (&runner->base, "\n"); + } + + if (runner->num_failed_per_target[n]) { + _log (&runner->base, "%s (%s): %d failed -", + target->name, + cairo_boilerplate_content_name (target->content), + runner->num_failed_per_target[n]); + + for (list = runner->fails_per_target[n]; + list != NULL; + list = list->next) + { + char *name = cairo_test_get_name (list->test); + _log (&runner->base, " %s", name); + free (name); + } + _log (&runner->base, "\n"); + } + } +} + +static void +_runner_print_results (cairo_test_runner_t *runner) +{ + _runner_print_summary (runner); + _runner_print_details (runner); + + if (! runner->passed && ! runner->num_crashed) { + _log (&runner->base, +"\n" +"Note: These failures may be due to external factors.\n" +"Please read test/README -- \"Getting the elusive zero failures\".\n"); + } +} + +static cairo_test_status_t +_runner_fini (cairo_test_runner_t *runner) +{ + unsigned int n; + + _list_free (runner->crashes_preamble); + _list_free (runner->errors_preamble); + _list_free (runner->fails_preamble); + + for (n = 0; n < runner->base.num_targets; n++) { + _list_free (runner->crashes_per_target[n]); + _list_free (runner->errors_per_target[n]); + _list_free (runner->fails_per_target[n]); + } + free (runner->crashes_per_target); + free (runner->errors_per_target); + free (runner->fails_per_target); + + free (runner->num_crashed_per_target); + free (runner->num_error_per_target); + free (runner->num_failed_per_target); + + cairo_test_fini (&runner->base); + + if (runner->force_pass) + return CAIRO_TEST_SUCCESS; + + return runner->num_failed + runner->num_crashed ? + CAIRO_TEST_FAILURE : + runner->num_passed + runner->num_xfailed ? + CAIRO_TEST_SUCCESS : CAIRO_TEST_UNTESTED; +} + +static cairo_bool_t +_version_compare (int a, cairo_test_compare_op_t op, int b) +{ + switch (op) { + case GT: return a > b; + case GE: return a >= b; + default: return FALSE; + } +} + + +static cairo_bool_t +_get_required_version (const char *str, + cairo_test_compare_op_t *op, + int *major, + int *minor, + int *micro) +{ + while (*str == ' ') + str++; + + if (strncmp (str, ">=", 2) == 0) { + *op = GE; + str += 2; + } else if (strncmp (str, ">", 1) == 0) { + *op = GT; + str += 1; + } else + return FALSE; + + while (*str == ' ') + str++; + + if (sscanf (str, "%d.%d.%d", major, minor, micro) != 3) { + *micro = 0; + if (sscanf (str, "%d.%d", major, minor) != 2) + return FALSE; + } + + return TRUE; +} + +static cairo_bool_t +_has_required_cairo_version (const char *str) +{ + cairo_test_compare_op_t op; + int major, minor, micro; + + if (! _get_required_version (str + 5 /* advance over "cairo" */, + &op, &major, &minor, µ)) + { + fprintf (stderr, "unrecognised cairo version requirement '%s'\n", str); + return FALSE; + } + + return _version_compare (cairo_version (), + op, + CAIRO_VERSION_ENCODE (major, minor, micro)); +} + +static cairo_bool_t +_has_required_ghostscript_version (const char *str) +{ +#if ! CAIRO_CAN_TEST_PS_SURFACE + return TRUE; +#endif + + str += 2; /* advance over "gs" */ + + return TRUE; +} + +static cairo_bool_t +_has_required_poppler_version (const char *str) +{ +#if ! CAIRO_CAN_TEST_PDF_SURFACE + return TRUE; +#endif + + str += 7; /* advance over "poppler" */ + + return TRUE; +} + +static cairo_bool_t +_has_required_rsvg_version (const char *str) +{ +#if ! CAIRO_CAN_TEST_SVG_SURFACE + return TRUE; +#endif + + str += 4; /* advance over "rsvg" */ + + return TRUE; +} + +#define TEST_SIMILAR 0x1 +#define TEST_OFFSET 0x2 +#define TEST_SCALE 0x4 +int +main (int argc, char **argv) +{ + cairo_test_runner_t runner; + cairo_test_list_t *test_list; + cairo_test_status_t *target_status; + unsigned int n, m, k; + char targets[4096]; + int len; + char *cairo_tests_env; + +#ifdef _MSC_VER + /* We don't want an assert dialog, we want stderr */ + _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE); + _CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR); +#endif + + _cairo_test_runner_register_tests (); + tests = _list_reverse (tests); + + memset (&runner, 0, sizeof (runner)); + runner.num_device_offsets = 1; + runner.num_device_scales = 1; + + if (is_running_under_debugger ()) + runner.foreground = TRUE; + + if (getenv ("CAIRO_TEST_MODE")) { + const char *env = getenv ("CAIRO_TEST_MODE"); + + if (strstr (env, "full")) { + runner.full_test = ~0; + } + if (strstr (env, "similar")) { + runner.full_test |= TEST_SIMILAR; + } + if (strstr (env, "offset")) { + runner.full_test |= TEST_OFFSET; + } + if (strstr (env, "scale")) { + runner.full_test |= TEST_SCALE; + } + if (strstr (env, "foreground")) { + runner.foreground = TRUE; + } + if (strstr (env, "exit-on-failure")) { + runner.exit_on_failure = TRUE; + } + } + + if (getenv ("CAIRO_TEST_FORCE_PASS")) { + const char *env = getenv ("CAIRO_TEST_FORCE_PASS"); + + runner.force_pass = atoi (env); + } + + _parse_cmdline (&runner, &argc, &argv); + + cairo_tests_env = getenv("CAIRO_TESTS"); + append_argv (&argc, &argv, cairo_tests_env); + + if (runner.full_test & TEST_OFFSET) { + runner.num_device_offsets = 2; + } + if (runner.full_test & TEST_SCALE) { + runner.num_device_scales = 2; + } + + target_status = NULL; /* silence the compiler */ + if (! runner.list_only) { + _runner_init (&runner); + _runner_print_versions (&runner); + target_status = xmalloc (sizeof (cairo_test_status_t) * + runner.base.num_targets); + } + + for (test_list = tests; test_list != NULL; test_list = test_list->next) { + const cairo_test_t *test = test_list->test; + cairo_test_context_t ctx; + cairo_test_status_t status; + cairo_bool_t failed = FALSE, xfailed = FALSE, error = FALSE, crashed = FALSE, skipped = TRUE; + cairo_bool_t in_preamble = FALSE; + char *name = cairo_test_get_name (test); + int i; + + /* check for restricted runs */ + if (argc) { + cairo_bool_t found = FALSE; + const char *keywords = test->keywords; + + for (i = 0; i < argc; i++) { + const char *match = argv[i]; + cairo_bool_t invert = match[0] == '!'; + if (invert) + match++; + + if (runner.keyword_match) { + if (keywords != NULL && strstr (keywords, match) != NULL) { + found = ! invert; + break; + } else if (invert) { + found = TRUE; + } + } else { + /* exact match on test name */ + if (strcmp (name, match) == 0) { + found = ! invert; + break; + } else if (invert) { + found = TRUE; + } + } + } + + if (! found) { + free (name); + continue; + } + } + + /* check to see if external requirements match */ + if (test->requirements != NULL) { + const char *requirements = test->requirements; + const char *str; + + str = strstr (requirements, "slow"); + if (str != NULL && ! runner.slow) { + if (runner.list_only) + goto TEST_NEXT; + else + goto TEST_SKIPPED; + } + + str = strstr (requirements, "cairo"); + if (str != NULL && ! _has_required_cairo_version (str)) { + if (runner.list_only) + goto TEST_NEXT; + else + goto TEST_SKIPPED; + } + + str = strstr (requirements, "gs"); + if (str != NULL && ! _has_required_ghostscript_version (str)) { + if (runner.list_only) + goto TEST_NEXT; + else + goto TEST_SKIPPED; + } + + str = strstr (requirements, "poppler"); + if (str != NULL && ! _has_required_poppler_version (str)) { + if (runner.list_only) + goto TEST_NEXT; + else + goto TEST_SKIPPED; + } + + str = strstr (requirements, "rsvg"); + if (str != NULL && ! _has_required_rsvg_version (str)) { + if (runner.list_only) + goto TEST_NEXT; + else + goto TEST_SKIPPED; + } + } + + if (runner.list_only) { + printf ("%s ", name); + goto TEST_NEXT; + } + + _cairo_test_context_init_for_test (&ctx, &runner.base, test); + memset (target_status, 0, + sizeof (cairo_test_status_t) * ctx.num_targets); + + if (ctx.test->preamble != NULL) { + status = _cairo_test_runner_preamble (&runner, &ctx); + switch (status) { + case CAIRO_TEST_SUCCESS: + in_preamble = TRUE; + skipped = FALSE; + break; + + case CAIRO_TEST_XFAILURE: + in_preamble = TRUE; + xfailed = TRUE; + goto TEST_DONE; + + case CAIRO_TEST_NEW: + case CAIRO_TEST_FAILURE: + runner.fails_preamble = _list_prepend (runner.fails_preamble, + test); + in_preamble = TRUE; + failed = TRUE; + goto TEST_DONE; + + case CAIRO_TEST_ERROR: + runner.errors_preamble = _list_prepend (runner.errors_preamble, + test); + in_preamble = TRUE; + failed = TRUE; + goto TEST_DONE; + + case CAIRO_TEST_NO_MEMORY: + case CAIRO_TEST_CRASHED: + runner.crashes_preamble = _list_prepend (runner.crashes_preamble, + test); + in_preamble = TRUE; + failed = TRUE; + goto TEST_DONE; + + case CAIRO_TEST_UNTESTED: + goto TEST_DONE; + } + } + + if (ctx.test->draw == NULL) + goto TEST_DONE; + + for (n = 0; n < ctx.num_targets; n++) { + const cairo_boilerplate_target_t *target; + cairo_bool_t target_failed = FALSE, + target_xfailed = FALSE, + target_error = FALSE, + target_crashed = FALSE, + target_skipped = TRUE; + cairo_test_similar_t has_similar; + + target = ctx.targets_to_test[n]; + + has_similar = runner.full_test & TEST_SIMILAR ? + cairo_test_target_has_similar (&ctx, target) : + DIRECT; + for (m = 0; m < runner.num_device_offsets; m++) { + for (k = 0; k < runner.num_device_scales; k++) { + int dev_offset = m * 25; + int dev_scale = k + 1; + cairo_test_similar_t similar; + + for (similar = DIRECT; similar <= has_similar; similar++) { + status = _cairo_test_runner_draw (&runner, &ctx, target, + similar, dev_offset, dev_scale); + switch (status) { + case CAIRO_TEST_SUCCESS: + target_skipped = FALSE; + break; + case CAIRO_TEST_XFAILURE: + target_xfailed = TRUE; + break; + case CAIRO_TEST_NEW: + case CAIRO_TEST_FAILURE: + target_failed = TRUE; + break; + case CAIRO_TEST_ERROR: + target_error = TRUE; + break; + case CAIRO_TEST_NO_MEMORY: + case CAIRO_TEST_CRASHED: + target_crashed = TRUE; + break; + case CAIRO_TEST_UNTESTED: + break; + } + } + } + } + + if (target_crashed) { + target_status[n] = CAIRO_TEST_CRASHED; + runner.num_crashed_per_target[n]++; + runner.crashes_per_target[n] = _list_prepend (runner.crashes_per_target[n], + test); + crashed = TRUE; + } else if (target_error) { + target_status[n] = CAIRO_TEST_ERROR; + runner.num_error_per_target[n]++; + runner.errors_per_target[n] = _list_prepend (runner.errors_per_target[n], + test); + + error = TRUE; + } else if (target_failed) { + target_status[n] = CAIRO_TEST_FAILURE; + runner.num_failed_per_target[n]++; + runner.fails_per_target[n] = _list_prepend (runner.fails_per_target[n], + test); + + failed = TRUE; + } else if (target_xfailed) { + target_status[n] = CAIRO_TEST_XFAILURE; + xfailed = TRUE; + } else if (target_skipped) { + target_status[n] = CAIRO_TEST_UNTESTED; + } else { + target_status[n] = CAIRO_TEST_SUCCESS; + skipped = FALSE; + } + } + + TEST_DONE: + cairo_test_fini (&ctx); + TEST_SKIPPED: + targets[0] = '\0'; + if (crashed) { + if (! in_preamble) { + len = 0; + for (n = 0 ; n < runner.base.num_targets; n++) { + if (target_status[n] == CAIRO_TEST_CRASHED) { + if (strstr (targets, + runner.base.targets_to_test[n]->name) == NULL) + { + len += snprintf (targets + len, sizeof (targets) - len, + "%s, ", + runner.base.targets_to_test[n]->name); + } + } + } + targets[len-2] = '\0'; + _log (&runner.base, "\n%s: CRASH! (%s)\n", name, targets); + } else { + _log (&runner.base, "\n%s: CRASH!\n", name); + } + runner.num_crashed++; + runner.passed = FALSE; + } else if (error) { + if (! in_preamble) { + len = 0; + for (n = 0 ; n < runner.base.num_targets; n++) { + if (target_status[n] == CAIRO_TEST_ERROR) { + if (strstr (targets, + runner.base.targets_to_test[n]->name) == NULL) + { + len += snprintf (targets + len, + sizeof (targets) - len, + "%s, ", + runner.base.targets_to_test[n]->name); + } + } + } + targets[len-2] = '\0'; + _log (&runner.base, "%s: ERROR (%s)\n", name, targets); + } else { + _log (&runner.base, "%s: ERROR\n", name); + } + runner.num_error++; + runner.passed = FALSE; + } else if (failed) { + if (! in_preamble) { + len = 0; + for (n = 0 ; n < runner.base.num_targets; n++) { + if (target_status[n] == CAIRO_TEST_FAILURE) { + if (strstr (targets, + runner.base.targets_to_test[n]->name) == NULL) + { + len += snprintf (targets + len, + sizeof (targets) - len, + "%s, ", + runner.base.targets_to_test[n]->name); + } + } + } + targets[len-2] = '\0'; + _log (&runner.base, "%s: FAIL (%s)\n", name, targets); + } else { + _log (&runner.base, "%s: FAIL\n", name); + } + runner.num_failed++; + runner.passed = FALSE; + } else if (xfailed) { + _log (&runner.base, "%s: XFAIL\n", name); + runner.num_xfailed++; + } else if (skipped) { + _log (&runner.base, "%s: UNTESTED\n", name); + runner.num_skipped++; + } else { + _log (&runner.base, "%s: PASS\n", name); + runner.num_passed++; + } + fflush (runner.base.log_file); + + TEST_NEXT: + free (name); + if (runner.exit_on_failure && ! runner.passed) + break; + + } + + if (cairo_tests_env) + free(argv); + + if (runner.list_only) { + printf ("\n"); + return CAIRO_TEST_SUCCESS; + } + + for (n = 0 ; n < runner.base.num_targets; n++) { + runner.crashes_per_target[n] = _list_reverse (runner.crashes_per_target[n]); + runner.errors_per_target[n] = _list_reverse (runner.errors_per_target[n]); + runner.fails_per_target[n] = _list_reverse (runner.fails_per_target[n]); + } + + _runner_print_results (&runner); + + _list_free (tests); + free (target_status); + return _runner_fini (&runner); +} + +void +cairo_test_register (cairo_test_t *test) +{ + tests = _list_prepend (tests, test); +} diff --git a/test/cairo-test-trace.c b/test/cairo-test-trace.c new file mode 100644 index 000000000..5badc4377 --- /dev/null +++ b/test/cairo-test-trace.c @@ -0,0 +1,1780 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * the authors not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. The authors make no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* + * The basic idea is that we feed the trace to multiple backends in parallel + * and compare the output at the end of each context (based on the premise + * that contexts demarcate expose events, or their logical equivalents) with + * that of the image[1] backend. Each backend is executed in a separate + * process, for robustness and to isolate the global cairo state, with the + * image data residing in shared memory and synchronising over a socket. + * + * [1] Should be reference implementation, currently the image backend is + * considered to be the reference for all other backends. + */ + +/* XXX Can't directly compare fills using spans versus trapezoidation, + * i.e. xlib vs image. Gah, kinda renders this whole scheme moot. + * How about reference platforms? + * E.g. accelerated xlib driver vs Xvfb? + * + * boilerplate->create_reference_surface()? + * boilerplate->reference->create_surface()? + * So for each backend spawn two processes, a reference and xlib + * (obviously minimising the number of reference processes when possible) + */ + +/* + * XXX Handle show-page as well as cairo_destroy()? Though arguably that is + * only relevant for paginated backends which is currently outside the + * scope of this test. + */ + +#define _GNU_SOURCE 1 /* getline() */ + +#include "cairo-test.h" +#include "buffer-diff.h" + +#include "cairo-boilerplate-getopt.h" +#include <cairo-script-interpreter.h> +#include "cairo-missing.h" + +#if CAIRO_HAS_SCRIPT_SURFACE +#include <cairo-script.h> +#endif + +/* For basename */ +#ifdef HAVE_LIBGEN_H +#include <libgen.h> +#endif +#include <ctype.h> /* isspace() */ + +#include <sys/types.h> +#include <dirent.h> +#include <fcntl.h> +#include <signal.h> +#include <sys/wait.h> +#include <sys/stat.h> +#include <sys/socket.h> +#include <sys/mman.h> +#include <sys/poll.h> +#include <sys/un.h> +#include <errno.h> +#include <assert.h> +#if CAIRO_HAS_REAL_PTHREAD +#include <pthread.h> +#endif + +#if HAVE_FCFINI +#include <fontconfig/fontconfig.h> +#endif + +#ifndef MAP_NORESERVE +#define MAP_NORESERVE 0 +#endif + +#define DEBUG 0 + +#define ignore_image_differences 0 /* XXX make me a cmdline option! */ +#define write_results 1 +#define write_traces 1 + +#define DATA_SIZE (256 << 20) +#define SHM_PATH_XXX "/.shmem-cairo-trace" + +typedef struct _test_trace { + /* Options from command-line */ + cairo_bool_t list_only; + char **names; + unsigned int num_names; + char **exclude_names; + unsigned int num_exclude_names; + + /* Stuff used internally */ + const cairo_boilerplate_target_t **targets; + int num_targets; +} test_trace_t; + +typedef struct _test_runner { + const char *name; + cairo_surface_t *surface; + void *closure; + uint8_t *base; + const char *trace; + pid_t pid; + int sk; + cairo_bool_t is_recording; + + cairo_script_interpreter_t *csi; + struct context_closure { + struct context_closure *next; + unsigned long id; + unsigned long start_line; + unsigned long end_line; + cairo_t *context; + cairo_surface_t *surface; + } *contexts; + + unsigned long context_id; +} test_runner_t; + +struct slave { + pid_t pid; + int fd; + unsigned long image_serial; + unsigned long image_ready; + unsigned long start_line; + unsigned long end_line; + cairo_surface_t *image; + long width, height; + cairo_surface_t *difference; + buffer_diff_result_t result; + const cairo_boilerplate_target_t *target; + const struct slave *reference; + cairo_bool_t is_recording; +}; + +struct request_image { + unsigned long id; + unsigned long start_line; + unsigned long end_line; + cairo_format_t format; + long width; + long height; + long stride; +}; + +struct surface_tag { + long width, height; +}; +static const cairo_user_data_key_t surface_tag; + +#define TARGET_NAME(T) ((T) ? (T)->name : "recording") + +#if CAIRO_HAS_REAL_PTHREAD +#define tr_die(t) t->is_recording ? pthread_exit(NULL) : exit(1) +#else +#define tr_die(t) exit(1) +#endif + +static cairo_bool_t +writen (int fd, const void *ptr, int len) +{ +#if 0 + const uint8_t *data = ptr; + while (len) { + int ret = write (fd, data, len); + if (ret < 0) { + switch (errno) { + case EAGAIN: + case EINTR: + continue; + default: + return FALSE; + } + } else if (ret == 0) { + return FALSE; + } else { + data += ret; + len -= ret; + } + } + return TRUE; +#else + int ret = send (fd, ptr, len, 0); + return ret == len; +#endif +} + +static cairo_bool_t +readn (int fd, void *ptr, int len) +{ +#if 0 + uint8_t *data = ptr; + while (len) { + int ret = read (fd, data, len); + if (ret < 0) { + switch (errno) { + case EAGAIN: + case EINTR: + continue; + default: + return FALSE; + } + } else if (ret == 0) { + return FALSE; + } else { + data += ret; + len -= ret; + } + } + return TRUE; +#else + int ret = recv (fd, ptr, len, MSG_WAITALL); + return ret == len; +#endif +} + +static cairo_format_t +format_for_content (cairo_content_t content) +{ + switch (content) { + case CAIRO_CONTENT_ALPHA: + return CAIRO_FORMAT_A8; + case CAIRO_CONTENT_COLOR: + return CAIRO_FORMAT_RGB24; + default: + case CAIRO_CONTENT_COLOR_ALPHA: + return CAIRO_FORMAT_ARGB32; + } +} + +static void +send_recording_surface (test_runner_t *tr, + int width, int height, + struct context_closure *closure) +{ +#if CAIRO_HAS_REAL_PTHREAD + const struct request_image rq = { + closure->id, + closure->start_line, + closure->end_line, + -1, + width, height, + (long) closure->surface, + }; + unsigned long offset; + unsigned long serial; + + if (DEBUG > 1) { + printf ("send-recording-surface: %lu [%lu, %lu]\n", + closure->id, + closure->start_line, + closure->end_line); + } + writen (tr->sk, &rq, sizeof (rq)); + readn (tr->sk, &offset, sizeof (offset)); + + /* signal completion */ + writen (tr->sk, &closure->id, sizeof (closure->id)); + + /* wait for image check */ + serial = 0; + readn (tr->sk, &serial, sizeof (serial)); + if (DEBUG > 1) { + printf ("send-recording-surface: serial: %lu\n", serial); + } + if (serial != closure->id) + pthread_exit (NULL); +#else + exit (1); +#endif +} + +static void * +request_image (test_runner_t *tr, + struct context_closure *closure, + cairo_format_t format, + int width, int height, int stride) +{ + const struct request_image rq = { + closure->id, + closure->start_line, + closure->end_line, + format, width, height, stride + }; + unsigned long offset = -1; + + assert (format != (cairo_format_t) -1); + + writen (tr->sk, &rq, sizeof (rq)); + readn (tr->sk, &offset, sizeof (offset)); + if (offset == (unsigned long) -1) + return NULL; + + return tr->base + offset; +} + +static void +send_surface (test_runner_t *tr, + struct context_closure *closure) +{ + cairo_surface_t *source = closure->surface; + cairo_surface_t *image; + cairo_format_t format = (cairo_format_t) -1; + cairo_t *cr; + int width, height, stride; + void *data; + unsigned long serial; + + if (DEBUG > 1) { + printf ("send-surface: '%s', is-recording? %d\n", + tr->name, tr->is_recording); + } + + if (cairo_surface_get_type (source) == CAIRO_SURFACE_TYPE_IMAGE) { + width = cairo_image_surface_get_width (source); + height = cairo_image_surface_get_height (source); + format = cairo_image_surface_get_format (source); + } else { + struct surface_tag *tag; + + tag = cairo_surface_get_user_data (source, &surface_tag); + if (tag != NULL) { + width = tag->width; + height = tag->height; + } else { + double x0, x1, y0, y1; + + /* presumably created using cairo_surface_create_similar() */ + cr = cairo_create (source); + cairo_clip_extents (cr, &x0, &y0, &x1, &y1); + cairo_destroy (cr); + + tag = xmalloc (sizeof (*tag)); + width = tag->width = x1 - x0; + height = tag->height = y1 - y0; + + if (cairo_surface_set_user_data (source, &surface_tag, tag, free)) + tr_die (tr); + } + } + + if (tr->is_recording) { + send_recording_surface (tr, width, height, closure); + return; + } + + if (format == (cairo_format_t) -1) + format = format_for_content (cairo_surface_get_content (source)); + + stride = cairo_format_stride_for_width (format, width); + + data = request_image (tr, closure, format, width, height, stride); + if (data == NULL) + tr_die (tr); + + image = cairo_image_surface_create_for_data (data, + format, + width, height, + stride); + cr = cairo_create (image); + cairo_surface_destroy (image); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, source, 0, 0); + cairo_paint (cr); + cairo_destroy (cr); + + /* signal completion */ + writen (tr->sk, &closure->id, sizeof (closure->id)); + + /* wait for image check */ + serial = 0; + readn (tr->sk, &serial, sizeof (serial)); + if (serial != closure->id) + tr_die (tr); +} + +static cairo_surface_t * +_surface_create (void *closure, + cairo_content_t content, + double width, double height, + long uid) +{ + test_runner_t *tr = closure; + cairo_surface_t *surface; + + surface = cairo_surface_create_similar (tr->surface, + content, width, height); + if (cairo_surface_get_type (surface) != CAIRO_SURFACE_TYPE_IMAGE) { + struct surface_tag *tag; + + tag = xmalloc (sizeof (*tag)); + tag->width = width; + tag->height = height; + if (cairo_surface_set_user_data (surface, &surface_tag, tag, free)) + tr_die (tr); + } + + return surface; +} + +static cairo_t * +_context_create (void *closure, cairo_surface_t *surface) +{ + test_runner_t *tr = closure; + struct context_closure *l; + + if (DEBUG) { + fprintf (stderr, "%s: starting context %lu on line %d\n", + tr->name ? tr->name : "recording" , + tr->context_id + 1, + cairo_script_interpreter_get_line_number (tr->csi)); + } + + l = xmalloc (sizeof (*l)); + l->next = tr->contexts; + l->start_line = cairo_script_interpreter_get_line_number (tr->csi); + l->end_line = l->start_line; + l->context = cairo_create (surface); + l->surface = cairo_surface_reference (surface); + l->id = ++tr->context_id; + if (l->id == 0) + l->id = ++tr->context_id; + tr->contexts = l; + + return l->context; +} + +static void +_context_destroy (void *closure, void *ptr) +{ + test_runner_t *tr = closure; + struct context_closure *l, **prev = &tr->contexts; + + while ((l = *prev) != NULL) { + if (l->context == ptr) { + if (DEBUG) { + fprintf (stderr, "%s: context %lu complete on line %d\n", + tr->name ? tr->name : "recording" , + tr->context_id, + cairo_script_interpreter_get_line_number (tr->csi)); + } + l->end_line = + cairo_script_interpreter_get_line_number (tr->csi); + if (cairo_surface_status (l->surface) == CAIRO_STATUS_SUCCESS) { + send_surface (tr, l); + } else { + fprintf (stderr, "%s: error during replay, line %lu: %s!\n", + tr->name, + l->end_line, + cairo_status_to_string (cairo_surface_status (l->surface))); + tr_die (tr); + } + + cairo_surface_destroy (l->surface); + *prev = l->next; + free (l); + return; + } + prev = &l->next; + } +} + +static void +execute (test_runner_t *tr) +{ + const cairo_script_interpreter_hooks_t hooks = { + .closure = tr, + .surface_create = _surface_create, + .context_create = _context_create, + .context_destroy = _context_destroy, + }; + pid_t ack; + + tr->csi = cairo_script_interpreter_create (); + cairo_script_interpreter_install_hooks (tr->csi, &hooks); + + ack = -1; + readn (tr->sk, &ack, sizeof (ack)); + if (ack != tr->pid) + tr_die (tr); + + cairo_script_interpreter_run (tr->csi, tr->trace); + + cairo_script_interpreter_finish (tr->csi); + if (cairo_script_interpreter_destroy (tr->csi)) + tr_die (tr); +} + +static int +spawn_socket (const char *socket_path, pid_t pid) +{ + struct sockaddr_un addr; + int sk; + + sk = socket (PF_UNIX, SOCK_STREAM, 0); + if (sk == -1) + return -1; + + memset (&addr, 0, sizeof (addr)); + addr.sun_family = AF_UNIX; + strcpy (addr.sun_path, socket_path); + + if (connect (sk, (struct sockaddr *) &addr, sizeof (addr)) == -1) + return -1; + + if (! writen (sk, &pid, sizeof (pid))) + return -1; + + return sk; +} + +static void * +spawn_shm (const char *shm_path) +{ + void *base; + int fd; + + fd = shm_open (shm_path, O_RDWR, 0); + if (fd == -1) + return MAP_FAILED; + + base = mmap (NULL, DATA_SIZE, + PROT_READ | PROT_WRITE, + MAP_SHARED | MAP_NORESERVE, + fd, 0); + close (fd); + + return base; +} + +static int +spawn_target (const char *socket_path, + const char *shm_path, + const cairo_boilerplate_target_t *target, + const char *trace) +{ + test_runner_t tr; + pid_t pid; + + if (DEBUG) + printf ("Spawning slave '%s' for %s\n", target->name, trace); + + pid = fork (); + if (pid != 0) + return pid; + + tr.is_recording = FALSE; + tr.pid = getpid (); + + tr.sk = spawn_socket (socket_path, tr.pid); + if (tr.sk == -1) { + fprintf (stderr, "%s: Failed to open socket.\n", + target->name); + exit (-1); + } + + tr.base = spawn_shm (shm_path); + if (tr.base == MAP_FAILED) { + fprintf (stderr, "%s: Failed to map shared memory segment.\n", + target->name); + exit (-1); + } + + tr.name = target->name; + tr.contexts = NULL; + tr.context_id = 0; + tr.trace = trace; + + tr.surface = target->create_surface (NULL, + target->content, + 1, 1, + 1, 1, + CAIRO_BOILERPLATE_MODE_TEST, + &tr.closure); + if (tr.surface == NULL) { + fprintf (stderr, + "%s: Failed to create target surface.\n", + target->name); + exit (-1); + } + + execute (&tr); + + cairo_surface_destroy (tr.surface); + + if (target->cleanup) + target->cleanup (tr.closure); + + close (tr.sk); + munmap (tr.base, DATA_SIZE); + + exit (0); +} + +#if CAIRO_HAS_REAL_PTHREAD +static void +cleanup_recorder (void *arg) +{ + test_runner_t *tr = arg; + + cairo_surface_finish (tr->surface); + cairo_surface_destroy (tr->surface); + + close (tr->sk); + free (tr); +} + +static void * +record (void *arg) +{ + test_runner_t *tr = arg; + + pthread_cleanup_push (cleanup_recorder, tr); + execute (tr); + pthread_cleanup_pop (TRUE); + + return NULL; +} + +/* The recorder is special: + * 1. It doesn't generate an image, but keeps an in-memory trace to + * reconstruct any surface. + * 2. Runs in the same process, but separate thread. + */ +static pid_t +spawn_recorder (const char *socket_path, const char *trace, test_runner_t **out) +{ + test_runner_t *tr; + pthread_t id; + pthread_attr_t attr; + pid_t pid = getpid (); + + if (DEBUG) + printf ("Spawning recorder for %s\n", trace); + + tr = malloc (sizeof (*tr)); + if (tr == NULL) + return -1; + + tr->is_recording = TRUE; + tr->pid = pid; + tr->sk = spawn_socket (socket_path, tr->pid); + if (tr->sk == -1) { + free (tr); + return -1; + } + + tr->base = NULL; + tr->name = NULL; + tr->contexts = NULL; + tr->context_id = 0; + tr->trace = trace; + + tr->surface = cairo_recording_surface_create (CAIRO_CONTENT_COLOR_ALPHA, + NULL); + if (tr->surface == NULL) { + cleanup_recorder (tr); + return -1; + } + + pthread_attr_init (&attr); + pthread_attr_setdetachstate (&attr, TRUE); + if (pthread_create (&id, &attr, record, tr) < 0) { + pthread_attr_destroy (&attr); + cleanup_recorder (tr); + return -1; + } + pthread_attr_destroy (&attr); + + + *out = tr; + return pid; +} +#endif + +/* XXX imagediff - is the extra expense worth it? */ +static cairo_bool_t +matches_reference (struct slave *slave) +{ + cairo_surface_t *a, *b; + + a = slave->image; + b = slave->reference->image; + + if (a == b) + return TRUE; + + if (a == NULL || b == NULL) + return FALSE; + + if (cairo_surface_status (a) || cairo_surface_status (b)) + return FALSE; + + if (cairo_surface_get_type (a) != cairo_surface_get_type (b)) + return FALSE; + + if (cairo_image_surface_get_format (a) != cairo_image_surface_get_format (b)) + return FALSE; + + if (cairo_image_surface_get_width (a) != cairo_image_surface_get_width (b)) + return FALSE; + + if (cairo_image_surface_get_height (a) != cairo_image_surface_get_height (b)) + return FALSE; + + if (cairo_image_surface_get_stride (a) != cairo_image_surface_get_stride (b)) + return FALSE; + + if (FALSE && cairo_surface_get_content (a) & CAIRO_CONTENT_COLOR) { + cairo_surface_t *diff; + int width, height, stride, size; + unsigned char *data; + cairo_status_t status; + + width = cairo_image_surface_get_width (a); + height = cairo_image_surface_get_height (a); + stride = cairo_image_surface_get_stride (a); + size = height * stride * 4; + data = malloc (size); + if (data == NULL) + return FALSE; + + diff = cairo_image_surface_create_for_data (data, + cairo_image_surface_get_format (a), + width, height, stride); + cairo_surface_set_user_data (diff, (cairo_user_data_key_t *) diff, + data, free); + + status = image_diff (NULL, a, b, diff, &slave->result); + if (status) { + cairo_surface_destroy (diff); + return FALSE; + } + + if (image_diff_is_failure (&slave->result, slave->target->error_tolerance)) { + slave->difference = diff; + return FALSE; + } else { + cairo_surface_destroy (diff); + return TRUE; + } + } else { + int width, height, stride; + const uint8_t *aa, *bb; + int x, y; + + width = cairo_image_surface_get_width (a); + height = cairo_image_surface_get_height (a); + stride = cairo_image_surface_get_stride (a); + + aa = cairo_image_surface_get_data (a); + bb = cairo_image_surface_get_data (b); + switch (cairo_image_surface_get_format (a)) { + case CAIRO_FORMAT_ARGB32: + for (y = 0; y < height; y++) { + const uint32_t *ua = (uint32_t *) aa; + const uint32_t *ub = (uint32_t *) bb; + for (x = 0; x < width; x++) { + if (ua[x] != ub[x]) { + int channel; + + for (channel = 0; channel < 4; channel++) { + unsigned va, vb, diff; + + va = (ua[x] >> (channel*8)) & 0xff; + vb = (ub[x] >> (channel*8)) & 0xff; + diff = abs (va - vb); + if (diff > slave->target->error_tolerance) + return FALSE; + } + } + } + aa += stride; + bb += stride; + } + break; + + case CAIRO_FORMAT_RGB24: + for (y = 0; y < height; y++) { + const uint32_t *ua = (uint32_t *) aa; + const uint32_t *ub = (uint32_t *) bb; + for (x = 0; x < width; x++) { + if ((ua[x] & 0x00ffffff) != (ub[x] & 0x00ffffff)) { + int channel; + + for (channel = 0; channel < 3; channel++) { + unsigned va, vb, diff; + + va = (ua[x] >> (channel*8)) & 0xff; + vb = (ub[x] >> (channel*8)) & 0xff; + diff = abs (va - vb); + if (diff > slave->target->error_tolerance) + return FALSE; + } + } + } + aa += stride; + bb += stride; + } + break; + + case CAIRO_FORMAT_A8: + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + if (aa[x] != bb[x]) { + unsigned diff = abs (aa[x] - bb[x]); + if (diff > slave->target->error_tolerance) + return FALSE; + } + } + aa += stride; + bb += stride; + } + break; + + case CAIRO_FORMAT_A1: + width /= 8; + for (y = 0; y < height; y++) { + if (memcmp (aa, bb, width)) + return FALSE; + aa += stride; + bb += stride; + } + break; + + case CAIRO_FORMAT_RGB30: + case CAIRO_FORMAT_RGB16_565: + case CAIRO_FORMAT_INVALID: + assert (0); + } + + return TRUE; + } +} + +static cairo_bool_t +check_images (struct slave *slaves, int num_slaves) +{ + int n; + + if (ignore_image_differences) + return TRUE; + + for (n = 0; n < num_slaves; n++) { + if (slaves[n].reference == NULL) + continue; + + if (! matches_reference (&slaves[n])) + return FALSE; + } + + return TRUE; +} + +static void +write_images (const char *trace, struct slave *slave, int num_slaves) +{ + while (num_slaves--) { + if (slave->image != NULL && ! slave->is_recording) { + char *filename; + + xasprintf (&filename, "%s-%s-fail.png", + trace, slave->target->name); + cairo_surface_write_to_png (slave->image, filename); + free (filename); + + if (slave->difference) { + xasprintf (&filename, "%s-%s-diff.png", + trace, slave->target->name); + cairo_surface_write_to_png (slave->difference, filename); + free (filename); + } + } + + slave++; + } +} + +static void +write_result (const char *trace, struct slave *slave) +{ + static int index; + char *filename; + + xasprintf (&filename, "%s-%s-pass-%d-%d-%d.png", + trace, slave->target->name, ++index, + slave->start_line, slave->end_line); + cairo_surface_write_to_png (slave->image, filename); + free (filename); +} + +static void +write_trace (const char *trace, const char *id, struct slave *slave) +{ +#if CAIRO_HAS_SCRIPT_SURFACE + cairo_device_t *script; + char *filename; + + assert (slave->is_recording); + + xasprintf (&filename, "%s-%s.trace", trace, id); + + script = cairo_script_create (filename); + cairo_script_from_recording_surface (script, slave->image); + cairo_device_destroy (script); + + free (filename); +#endif +} + +static void +dump_traces (test_runner_t *tr, + const char *trace, + const char *target, + const char *fail) +{ +#if CAIRO_HAS_SCRIPT_SURFACE + struct context_closure *c; + + for (c = tr->contexts; c; c = c->next) { + cairo_device_t *script; + char *filename; + + xasprintf (&filename, "%s-%s-%s.%lu.trace", + trace, target, fail, c->start_line); + + script = cairo_script_create (filename); + cairo_script_from_recording_surface (script, c->surface); + cairo_device_destroy (script); + + free (filename); + } +#endif +} + +static unsigned long +allocate_image_for_slave (uint8_t *base, + unsigned long offset, + struct slave *slave) +{ + struct request_image rq; + int size; + uint8_t *data; + + assert (slave->image == NULL); + + readn (slave->fd, &rq, sizeof (rq)); + slave->image_serial = rq.id; + slave->start_line = rq.start_line; + slave->end_line = rq.end_line; + + slave->width = rq.width; + slave->height = rq.height; + + if (DEBUG > 1) { + printf ("allocate-image-for-slave: %s %lu [%lu, %lu] %ldx%ld stride=%lu => %lu, is-recording? %d\n", + TARGET_NAME (slave->target), + slave->image_serial, + slave->start_line, + slave->end_line, + slave->width, + slave->height, + rq.stride, + offset, + slave->is_recording); + } + + if (slave->is_recording) { + /* special communication with recording-surface thread */ + slave->image = cairo_surface_reference ((cairo_surface_t *) rq.stride); + } else { + size = rq.height * rq.stride; + size = (size + 4095) & -4096; + data = base + offset; + offset += size; + assert (offset <= DATA_SIZE); + + slave->image = cairo_image_surface_create_for_data (data, rq.format, + rq.width, rq.height, + rq.stride); + } + + return offset; +} + +struct error_info { + unsigned long context_id; + unsigned long start_line; + unsigned long end_line; +}; + +static cairo_bool_t +test_run (void *base, + int sk, + const char *trace, + struct slave *slaves, + int num_slaves, + struct error_info *error) +{ + struct pollfd *pfd; + int npfd, cnt, n, i; + int completion, err = 0; + cairo_bool_t ret = FALSE; + unsigned long image; + + if (DEBUG) { + printf ("Running trace '%s' over %d slaves\n", + trace, num_slaves); + } + + pfd = xcalloc (num_slaves+1, sizeof (*pfd)); + + pfd[0].fd = sk; + pfd[0].events = POLLIN; + npfd = 1; + + completion = 0; + image = 0; + while ((cnt = poll (pfd, npfd, -1)) > 0) { + if (pfd[0].revents) { + int fd; + + while ((fd = accept (sk, NULL, NULL)) != -1) { + pid_t pid; + + readn (fd, &pid, sizeof (pid)); + for (n = 0; n < num_slaves; n++) { + if (slaves[n].pid == pid) { + slaves[n].fd = fd; + break; + } + } + if (n == num_slaves) { + if (DEBUG) + printf ("unknown slave pid\n"); + goto out; + } + + pfd[npfd].fd = fd; + pfd[npfd].events = POLLIN; + npfd++; + + if (! writen (fd, &pid, sizeof (pid))) + goto out; + } + cnt--; + } + + for (n = 1; n < npfd && cnt; n++) { + if (! pfd[n].revents) + continue; + + if (pfd[n].revents & POLLHUP) { + pfd[n].events = pfd[n].revents = 0; + completion++; + continue; + } + + for (i = 0; i < num_slaves; i++) { + if (slaves[i].fd == pfd[n].fd) { + /* Communication with the slave is done in three phases, + * and we do each pass synchronously. + * + * 1. The slave requests an image buffer, which we + * allocate and then return to the slave the offset into + * the shared memory segment. + * + * 2. The slave indicates that it has finished writing + * into the shared image buffer. The slave now waits + * for the server to collate all the image data - thereby + * throttling the slaves. + * + * 3. After all slaves have finished writing their images, + * we compare them all against the reference image and, + * if satisfied, send an acknowledgement to all slaves. + */ + if (slaves[i].image_serial == 0) { + unsigned long offset; + + image = + allocate_image_for_slave (base, + offset = image, + &slaves[i]); + if (! writen (pfd[n].fd, &offset, sizeof (offset))) { + pfd[n].events = pfd[n].revents = 0; + err = 1; + completion++; + continue; + } + } else { + readn (pfd[n].fd, + &slaves[i].image_ready, + sizeof (slaves[i].image_ready)); + if (DEBUG) { + printf ("slave '%s' reports completion on %lu (expecting %lu)\n", + TARGET_NAME (slaves[i].target), + slaves[i].image_ready, + slaves[i].image_serial); + } + if (slaves[i].image_ready != slaves[i].image_serial) { + pfd[n].events = pfd[n].revents = 0; + err = 1; + completion++; + continue; + } + + /* Can anyone spell 'P·E·D·A·N·T'? */ + if (! slaves[i].is_recording) + cairo_surface_mark_dirty (slaves[i].image); + completion++; + } + + break; + } + } + + cnt--; + } + + if (completion >= num_slaves) { + if (err) { + if (DEBUG > 1) + printf ("error detected\n"); + goto out; + } + + if (DEBUG > 1) { + printf ("all saves report completion\n"); + } + if (slaves[0].end_line >= slaves[0].start_line && + ! check_images (slaves, num_slaves)) { + error->context_id = slaves[0].image_serial; + error->start_line = slaves[0].start_line; + error->end_line = slaves[0].end_line; + + if (DEBUG) { + printf ("check_images failed: %lu, [%lu, %lu]\n", + slaves[0].image_serial, + slaves[0].start_line, + slaves[0].end_line); + } + + write_images (trace, slaves, num_slaves); + + if (slaves[0].is_recording) + write_trace (trace, "fail", &slaves[0]); + + goto out; + } + + if (write_results) write_result (trace, &slaves[1]); + if (write_traces && slaves[0].is_recording) { + char buf[80]; + snprintf (buf, sizeof (buf), "%d", slaves[0].image_serial); + write_trace (trace, buf, &slaves[0]); + } + + /* ack */ + for (i = 0; i < num_slaves; i++) { + cairo_surface_destroy (slaves[i].image); + slaves[i].image = NULL; + + if (DEBUG > 1) { + printf ("sending continuation to '%s'\n", + TARGET_NAME (slaves[i].target)); + } + if (! writen (slaves[i].fd, + &slaves[i].image_serial, + sizeof (slaves[i].image_serial))) + { + goto out; + } + + slaves[i].image_serial = 0; + slaves[i].image_ready = 0; + } + + completion = 0; + image = 0; + } + } +done: + ret = TRUE; + +out: + if (DEBUG) { + printf ("run complete: %d\n", ret); + } + + for (n = 0; n < num_slaves; n++) { + if (slaves[n].fd != -1) + close (slaves[n].fd); + + if (slaves[n].image == NULL) + continue; + + cairo_surface_destroy (slaves[n].image); + slaves[n].image = NULL; + + cairo_surface_destroy (slaves[n].difference); + slaves[n].difference = NULL; + + slaves[n].image_serial = 0; + slaves[n].image_ready = 0; + } + + free (pfd); + + return ret; +} + +static int +server_socket (const char *socket_path) +{ + long flags; + struct sockaddr_un addr; + int sk; + + sk = socket (PF_UNIX, SOCK_STREAM, 0); + if (sk == -1) + return -1; + + memset (&addr, 0, sizeof (addr)); + addr.sun_family = AF_UNIX; + strcpy (addr.sun_path, socket_path); + if (bind (sk, (struct sockaddr *) &addr, sizeof (addr)) == -1) { + close (sk); + return -1; + } + + flags = fcntl (sk, F_GETFL); + if (flags == -1 || fcntl (sk, F_SETFL, flags | O_NONBLOCK) == -1) { + close (sk); + return -1; + } + + if (listen (sk, 5) == -1) { + close (sk); + return -1; + } + + return sk; +} + +static int +server_shm (const char *shm_path) +{ + int fd; + + fd = shm_open (shm_path, O_RDWR | O_EXCL | O_CREAT, 0777); + if (fd == -1) + return -1; + + if (ftruncate (fd, DATA_SIZE) == -1) { + close (fd); + return -1; + } + + return fd; +} + +static cairo_bool_t +_test_trace (test_trace_t *test, + const char *trace, + const char *name, + struct error_info *error) +{ + const char *shm_path = SHM_PATH_XXX; + const cairo_boilerplate_target_t *target, *image; + struct slave *slaves, *s; + test_runner_t *recorder = NULL; + pid_t slave; + char socket_dir[] = "/tmp/cairo-test-trace.XXXXXX"; + char *socket_path; + int sk, fd; + int i, num_slaves; + void *base; + cairo_bool_t ret = FALSE; + + if (DEBUG) + printf ("setting up trace '%s'\n", trace); + + /* create a socket to control the test runners */ + if (mkdtemp (socket_dir) == NULL) { + fprintf (stderr, "Unable to create temporary name for socket\n"); + return FALSE; + } + + xasprintf (&socket_path, "%s/socket", socket_dir); + sk = server_socket (socket_path); + if (sk == -1) { + fprintf (stderr, "Unable to create socket for server\n"); + goto cleanup_paths; + } + + /* allocate some shared memory */ + fd = server_shm (shm_path); + if (fd == -1) { + fprintf (stderr, "Unable to create shared memory '%s': %s\n", + shm_path, strerror (errno)); + goto cleanup_sk; + } + + image = cairo_boilerplate_get_image_target (CAIRO_CONTENT_COLOR_ALPHA); + assert (image != NULL); + + s = slaves = xcalloc (2*test->num_targets + 1, sizeof (struct slave)); + +#if CAIRO_HAS_REAL_PTHREAD + /* set-up a recording-surface to reconstruct errors */ + slave = spawn_recorder (socket_path, trace, &recorder); + if (slave < 0) { + fprintf (stderr, "Unable to create recording surface\n"); + goto cleanup_sk; + } + + s->pid = slave; + s->is_recording = TRUE; + s->target = NULL; + s->fd = -1; + s->reference = NULL; + s++; +#endif + + /* spawn slave processes to run the trace */ + for (i = 0; i < test->num_targets; i++) { + const cairo_boilerplate_target_t *reference; + struct slave *master; + + target = test->targets[i]; + + if (DEBUG) + printf ("setting up target[%d]? '%s' (image? %d, measurable? %d)\n", + i, target->name, target == image, target->is_measurable); + + if (target == image || ! target->is_measurable) + continue; + + /* find a matching slave to use as a reference for this target */ + if (target->reference_target != NULL) { + reference = + cairo_boilerplate_get_target_by_name (target->reference_target, + target->content); + assert (reference != NULL); + } else { + reference = image; + } + for (master = slaves; master < s; master++) { + if (master->target == reference) + break; + } + + if (master == s) { + /* no match found, spawn a slave to render the reference image */ + slave = spawn_target (socket_path, shm_path, reference, trace); + if (slave < 0) + continue; + + s->pid = slave; + s->target = reference; + s->fd = -1; + s->reference = NULL; + s++; + } + + slave = spawn_target (socket_path, shm_path, target, trace); + if (slave < 0) + continue; + + s->pid = slave; + s->target = target; + s->fd = -1; + s->reference = master; + s++; + } + num_slaves = s - slaves; + if (num_slaves == 1) { + fprintf (stderr, "No targets to test\n"); + goto cleanup; + } + + base = mmap (NULL, DATA_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + if (base == MAP_FAILED) { + fprintf (stderr, "Unable to mmap shared memory\n"); + goto cleanup; + } + ret = test_run (base, sk, name, slaves, num_slaves, error); + munmap (base, DATA_SIZE); + +cleanup: + close (fd); + while (s-- > slaves) { + int status; + + if (s->fd != -1) + close (s->fd); + + cairo_surface_destroy (s->image); + cairo_surface_destroy (s->difference); + + if (s->is_recording) /* in-process */ + continue; + + kill (s->pid, SIGKILL); + waitpid (s->pid, &status, 0); + if (WIFSIGNALED (status) && WTERMSIG(status) != SIGKILL) { + fprintf (stderr, "%s crashed\n", s->target->name); + if (recorder) + dump_traces (recorder, trace, s->target->name, "crash"); + } + } + free (slaves); + shm_unlink (shm_path); +cleanup_sk: + close (sk); + +cleanup_paths: + remove (socket_path); + remove (socket_dir); + + free (socket_path); + return ret; +} + +static void +test_trace (test_trace_t *test, const char *trace) +{ + char *trace_cpy, *name, *dot; + + trace_cpy = xstrdup (trace); + name = basename (trace_cpy); + dot = strchr (name, '.'); + if (dot) + *dot = '\0'; + + if (test->list_only) { + printf ("%s\n", name); + } else { + struct error_info error = {0}; + cairo_bool_t ret; + + printf ("%s: ", name); + fflush (stdout); + + ret = _test_trace (test, trace, name, &error); + if (ret) { + printf ("PASS\n"); + } else { + if (error.context_id) { + printf ("FAIL (context %lu, lines [%lu, %lu])\n", + error.context_id, + error.start_line, + error.end_line); + } else { + printf ("FAIL\n"); + } + } + } + + free (trace_cpy); +} + +static cairo_bool_t +read_excludes (test_trace_t *test, const char *filename) +{ + FILE *file; + char *line = NULL; + size_t line_size = 0; + char *s, *t; + + file = fopen (filename, "r"); + if (file == NULL) + return FALSE; + + while (getline (&line, &line_size, file) != -1) { + /* terminate the line at a comment marker '#' */ + s = strchr (line, '#'); + if (s) + *s = '\0'; + + /* whitespace delimits */ + s = line; + while (*s != '\0' && isspace (*s)) + s++; + + t = s; + while (*t != '\0' && ! isspace (*t)) + t++; + + if (s != t) { + int i = test->num_exclude_names; + test->exclude_names = xrealloc (test->exclude_names, + sizeof (char *) * (i+1)); + test->exclude_names[i] = strndup (s, t-s); + test->num_exclude_names++; + } + } + free (line); + + fclose (file); + + return TRUE; +} + +static void +usage (const char *argv0) +{ + fprintf (stderr, +"Usage: %s [-l] [-x exclude-file] [test-names ... | traces ...]\n" +"\n" +"Run the cairo test suite over the given traces (all by default).\n" +"The command-line arguments are interpreted as follows:\n" +"\n" +" -l list only; just list selected test case names without executing\n" +" -x exclude; specify a file to read a list of traces to exclude\n" +"\n" +"If test names are given they are used as sub-string matches so a command\n" +"such as \"%s firefox\" can be used to run all firefox traces.\n" +"Alternatively, you can specify a list of filenames to execute.\n", + argv0, argv0); +} + +static void +parse_options (test_trace_t *test, int argc, char *argv[]) +{ + int c; + + test->list_only = FALSE; + test->names = NULL; + test->num_names = 0; + test->exclude_names = NULL; + test->num_exclude_names = 0; + + while (1) { + c = _cairo_getopt (argc, argv, "lx:"); + if (c == -1) + break; + + switch (c) { + case 'l': + test->list_only = TRUE; + break; + case 'x': + if (! read_excludes (test, optarg)) { + fprintf (stderr, "Invalid argument for -x (not readable file): %s\n", + optarg); + exit (1); + } + break; + default: + fprintf (stderr, "Internal error: unhandled option: %c\n", c); + /* fall-through */ + case '?': + usage (argv[0]); + exit (1); + } + } + + if (optind < argc) { + test->names = &argv[optind]; + test->num_names = argc - optind; + } +} + +static void +test_reset (test_trace_t *test) +{ + /* XXX leaking fonts again via recording-surface? */ +#if 0 + cairo_debug_reset_static_data (); +#if HAVE_FCFINI + FcFini (); +#endif +#endif +} + +static void +test_fini (test_trace_t *test) +{ + test_reset (test); + + cairo_boilerplate_free_targets (test->targets); + free (test->exclude_names); +} + +static cairo_bool_t +test_has_filenames (test_trace_t *test) +{ + unsigned int i; + + if (test->num_names == 0) + return FALSE; + + for (i = 0; i < test->num_names; i++) + if (access (test->names[i], R_OK) == 0) + return TRUE; + + return FALSE; +} + +static cairo_bool_t +test_can_run (test_trace_t *test, const char *name) +{ + unsigned int i; + char *copy, *dot; + cairo_bool_t ret; + + if (test->num_names == 0 && test->num_exclude_names == 0) + return TRUE; + + copy = xstrdup (name); + dot = strrchr (copy, '.'); + if (dot != NULL) + *dot = '\0'; + + if (test->num_names) { + ret = TRUE; + for (i = 0; i < test->num_names; i++) + if (strstr (copy, test->names[i])) + goto check_exclude; + + ret = FALSE; + goto done; + } + +check_exclude: + if (test->num_exclude_names) { + ret = FALSE; + for (i = 0; i < test->num_exclude_names; i++) + if (strstr (copy, test->exclude_names[i])) + goto done; + + ret = TRUE; + goto done; + } + +done: + free (copy); + + return ret; +} + +static void +warn_no_traces (const char *message, const char *trace_dir) +{ + fprintf (stderr, +"Error: %s '%s'.\n" +"Have you cloned the cairo-traces repository and uncompressed the traces?\n" +" git clone git://anongit.freedesktop.org/cairo-traces\n" +" cd cairo-traces && make\n" +"Or set the env.var CAIRO_TRACE_DIR to point to your traces?\n", + message, trace_dir); +} + +static void +interrupt (int sig) +{ + shm_unlink (SHM_PATH_XXX); + + signal (sig, SIG_DFL); + raise (sig); +} + +int +main (int argc, char *argv[]) +{ + test_trace_t test; + const char *trace_dir = "cairo-traces"; + unsigned int n; + + signal (SIGPIPE, SIG_IGN); + signal (SIGINT, interrupt); + + parse_options (&test, argc, argv); + + shm_unlink (SHM_PATH_XXX); + + if (getenv ("CAIRO_TRACE_DIR") != NULL) + trace_dir = getenv ("CAIRO_TRACE_DIR"); + + test.targets = cairo_boilerplate_get_targets (&test.num_targets, NULL); + + if (test_has_filenames (&test)) { + for (n = 0; n < test.num_names; n++) { + if (access (test.names[n], R_OK) == 0) { + test_trace (&test, test.names[n]); + test_reset (&test); + } + } + } else { + DIR *dir; + struct dirent *de; + int num_traces = 0; + + dir = opendir (trace_dir); + if (dir == NULL) { + warn_no_traces ("Failed to open directory", trace_dir); + test_fini (&test); + return 1; + } + + while ((de = readdir (dir)) != NULL) { + char *trace; + const char *dot; + + dot = strrchr (de->d_name, '.'); + if (dot == NULL) + continue; + if (strcmp (dot, ".trace")) + continue; + + num_traces++; + if (! test_can_run (&test, de->d_name)) + continue; + + xasprintf (&trace, "%s/%s", trace_dir, de->d_name); + test_trace (&test, trace); + test_reset (&test); + + free (trace); + + } + closedir (dir); + + if (num_traces == 0) { + warn_no_traces ("Found no traces in", trace_dir); + test_fini (&test); + return 1; + } + } + + test_fini (&test); + + return 0; +} + +void +cairo_test_logv (const cairo_test_context_t *ctx, + const char *fmt, va_list va) +{ +#if 0 + vfprintf (stderr, fmt, va); +#endif +} + +void +cairo_test_log (const cairo_test_context_t *ctx, const char *fmt, ...) +{ +#if 0 + va_list va; + + va_start (va, fmt); + vfprintf (stderr, fmt, va); + va_end (va); +#endif +} diff --git a/test/cairo-test.c b/test/cairo-test.c new file mode 100644 index 000000000..a351b0174 --- /dev/null +++ b/test/cairo-test.c @@ -0,0 +1,1803 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#define _GNU_SOURCE 1 /* for feenableexcept() et al */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <ctype.h> +#include <assert.h> +#if HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <errno.h> +#include <string.h> +#if HAVE_FCFINI +#include <fontconfig/fontconfig.h> +#endif +#if CAIRO_HAS_REAL_PTHREAD +#include <pthread.h> +#endif +#if HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif + +#if HAVE_VALGRIND +#include <valgrind.h> +#else +#define RUNNING_ON_VALGRIND 0 +#endif + +#if HAVE_MEMFAULT +#include <memfault.h> +#define MF(x) x +#else +#define MF(x) +#endif + +#include "cairo-test-private.h" + +#include "buffer-diff.h" + +#ifdef _MSC_VER +#include <crtdbg.h> +#include <direct.h> +#define F_OK 0 +#define HAVE_MKDIR 1 +#define mkdir _mkdir +#endif + +#ifndef FALSE +#define FALSE 0 +#endif +#ifndef TRUE +#define TRUE !FALSE +#endif + +#if ! HAVE_ALARM || ! defined(SIGALRM) +#define alarm(X); +#endif + +static const cairo_user_data_key_t _cairo_test_context_key; + +static void +_xunlink (const cairo_test_context_t *ctx, const char *pathname); + +static const char *fail_face = "", *xfail_face="", *normal_face = ""; +static cairo_bool_t print_fail_on_stdout; +static int cairo_test_timeout = 60; + +#define NUM_DEVICE_OFFSETS 2 +#define NUM_DEVICE_SCALE 2 + +cairo_bool_t +cairo_test_mkdir (const char *path) +{ +#if ! HAVE_MKDIR + return FALSE; +#elif HAVE_MKDIR == 1 + if (mkdir (path) == 0) + return TRUE; +#elif HAVE_MKDIR == 2 + if (mkdir (path, 0770) == 0) + return TRUE; +#else +#error Bad value for HAVE_MKDIR +#endif + + return errno == EEXIST; +} + +static char * +_cairo_test_fixup_name (const char *original) +{ + char *name, *s; + + s = name = xstrdup (original); + while ((s = strchr (s, '_')) != NULL) + *s++ = '-'; + + return name; +} + +char * +cairo_test_get_name (const cairo_test_t *test) +{ + return _cairo_test_fixup_name (test->name); +} + +static void +_cairo_test_init (cairo_test_context_t *ctx, + const cairo_test_context_t *parent, + const cairo_test_t *test, + const char *test_name, + const char *output) +{ + char *log_name; + + MF (MEMFAULT_DISABLE_FAULTS ()); + +#if HAVE_FEENABLEEXCEPT + feenableexcept (FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW); +#endif + + ctx->test = test; + ctx->test_name = _cairo_test_fixup_name (test_name); + ctx->output = output; + + cairo_test_mkdir (ctx->output); + + ctx->malloc_failure = 0; +#if HAVE_MEMFAULT + if (getenv ("CAIRO_TEST_MALLOC_FAILURE")) + ctx->malloc_failure = atoi (getenv ("CAIRO_TEST_MALLOC_FAILURE")); + if (ctx->malloc_failure && ! RUNNING_ON_MEMFAULT ()) + ctx->malloc_failure = 0; +#endif + + ctx->timeout = cairo_test_timeout; + if (getenv ("CAIRO_TEST_TIMEOUT")) + ctx->timeout = atoi (getenv ("CAIRO_TEST_TIMEOUT")); + + xasprintf (&log_name, "%s/%s%s", ctx->output, ctx->test_name, CAIRO_TEST_LOG_SUFFIX); + _xunlink (NULL, log_name); + + ctx->log_file = fopen (log_name, "a"); + if (ctx->log_file == NULL) { + fprintf (stderr, "Error opening log file: %s\n", log_name); + ctx->log_file = stderr; + } + free (log_name); + + ctx->ref_name = NULL; + ctx->ref_image = NULL; + ctx->ref_image_flattened = NULL; + + if (parent != NULL) { + ctx->targets_to_test = parent->targets_to_test; + ctx->num_targets = parent->num_targets; + ctx->limited_targets = parent->limited_targets; + ctx->own_targets = FALSE; + + ctx->srcdir = parent->srcdir; + ctx->refdir = parent->refdir; + } else { + int tmp_num_targets; + cairo_bool_t tmp_limited_targets; + + ctx->targets_to_test = cairo_boilerplate_get_targets (&tmp_num_targets, &tmp_limited_targets); + ctx->num_targets = tmp_num_targets; + ctx->limited_targets = tmp_limited_targets; + ctx->own_targets = TRUE; + + ctx->srcdir = getenv ("srcdir"); + if (ctx->srcdir == NULL) + ctx->srcdir = "."; + + ctx->refdir = getenv ("CAIRO_REF_DIR"); + } + +#ifdef HAVE_UNISTD_H + if (*fail_face == '\0' && isatty (2)) { + fail_face = "\033[41;37;1m"; + xfail_face = "\033[43;37;1m"; + normal_face = "\033[m"; + if (isatty (1)) + print_fail_on_stdout = FALSE; + } +#endif + + printf ("\nTESTING %s\n", ctx->test_name); +} + +void +_cairo_test_context_init_for_test (cairo_test_context_t *ctx, + const cairo_test_context_t *parent, + const cairo_test_t *test) +{ + _cairo_test_init (ctx, parent, test, test->name, CAIRO_TEST_OUTPUT_DIR); +} + +void +cairo_test_init (cairo_test_context_t *ctx, + const char *test_name, + const char *output) +{ + _cairo_test_init (ctx, NULL, NULL, test_name, output); +} + +void +cairo_test_fini (cairo_test_context_t *ctx) +{ + if (ctx->log_file == NULL) + return; + + if (ctx->log_file != stderr) + fclose (ctx->log_file); + ctx->log_file = NULL; + + free (ctx->ref_name); + cairo_surface_destroy (ctx->ref_image); + cairo_surface_destroy (ctx->ref_image_flattened); + + if (ctx->test_name != NULL) + free ((char *) ctx->test_name); + + if (ctx->own_targets) + cairo_boilerplate_free_targets (ctx->targets_to_test); + + cairo_boilerplate_fini (); + + cairo_debug_reset_static_data (); +#if HAVE_FCFINI + FcFini (); +#endif +} + +void +cairo_test_logv (const cairo_test_context_t *ctx, + const char *fmt, va_list va) +{ + FILE *file = ctx && ctx->log_file ? ctx->log_file : stderr; + vfprintf (file, fmt, va); +} + +void +cairo_test_log (const cairo_test_context_t *ctx, const char *fmt, ...) +{ + va_list va; + + va_start (va, fmt); + cairo_test_logv (ctx, fmt, va); + va_end (va); +} + +static void +_xunlink (const cairo_test_context_t *ctx, const char *pathname) +{ + if (unlink (pathname) < 0 && errno != ENOENT) { + cairo_test_log (ctx, "Error: Cannot remove %s: %s\n", + pathname, strerror (errno)); + exit (1); + } +} + +char * +cairo_test_reference_filename (const cairo_test_context_t *ctx, + const char *base_name, + const char *test_name, + const char *target_name, + const char *base_target_name, + const char *format, + const char *suffix, + const char *extension) +{ + char *ref_name = NULL; + + /* First look for a previous build for comparison. */ + if (ctx->refdir != NULL && strcmp(suffix, CAIRO_TEST_REF_SUFFIX) == 0) { + xasprintf (&ref_name, "%s/%s" CAIRO_TEST_OUT_SUFFIX "%s", + ctx->refdir, + base_name, + extension); + if (access (ref_name, F_OK) != 0) + free (ref_name); + else + goto done; + } + + if (target_name != NULL) { + /* Next look for a target/format-specific reference image. */ + xasprintf (&ref_name, "%s/reference/%s.%s.%s%s%s", + ctx->srcdir, + test_name, + target_name, + format, + suffix, + extension); + if (access (ref_name, F_OK) != 0) + free (ref_name); + else + goto done; + + /* Next, look for target-specific reference image. */ + xasprintf (&ref_name, "%s/reference/%s.%s%s%s", + ctx->srcdir, + test_name, + target_name, + suffix, + extension); + if (access (ref_name, F_OK) != 0) + free (ref_name); + else + goto done; + } + + if (base_target_name != NULL) { + /* Next look for a base/format-specific reference image. */ + xasprintf (&ref_name, "%s/reference/%s.%s.%s%s%s", + ctx->srcdir, + test_name, + base_target_name, + format, + suffix, + extension); + if (access (ref_name, F_OK) != 0) + free (ref_name); + else + goto done; + + /* Next, look for base-specific reference image. */ + xasprintf (&ref_name, "%s/reference/%s.%s%s%s", + ctx->srcdir, + test_name, + base_target_name, + suffix, + extension); + if (access (ref_name, F_OK) != 0) + free (ref_name); + else + goto done; + } + + /* Next, look for format-specific reference image. */ + xasprintf (&ref_name, "%s/reference/%s.%s%s%s", + ctx->srcdir, + test_name, + format, + suffix, + extension); + if (access (ref_name, F_OK) != 0) + free (ref_name); + else + goto done; + + /* Finally, look for the standard reference image. */ + xasprintf (&ref_name, "%s/reference/%s%s%s", ctx->srcdir, + test_name, + suffix, + extension); + if (access (ref_name, F_OK) != 0) + free (ref_name); + else + goto done; + + ref_name = NULL; + +done: + return ref_name; +} + +cairo_test_similar_t +cairo_test_target_has_similar (const cairo_test_context_t *ctx, + const cairo_boilerplate_target_t *target) +{ + cairo_surface_t *surface; + cairo_test_similar_t has_similar; + cairo_t * cr; + cairo_surface_t *similar; + cairo_status_t status; + void *closure; + char *path; + + /* ignore image intermediate targets */ + if (target->expected_type == CAIRO_SURFACE_TYPE_IMAGE) + return DIRECT; + + if (getenv ("CAIRO_TEST_IGNORE_SIMILAR")) + return DIRECT; + + xasprintf (&path, "%s/%s", + cairo_test_mkdir (ctx->output) ? ctx->output : ".", + ctx->test_name); + + has_similar = DIRECT; + do { + do { + surface = (target->create_surface) (path, + target->content, + ctx->test->width, + ctx->test->height, + ctx->test->width* NUM_DEVICE_SCALE + 25 * NUM_DEVICE_OFFSETS, + ctx->test->height* NUM_DEVICE_SCALE + 25 * NUM_DEVICE_OFFSETS, + CAIRO_BOILERPLATE_MODE_TEST, + &closure); + if (surface == NULL) + goto out; + } while (cairo_test_malloc_failure (ctx, cairo_surface_status (surface))); + + if (cairo_surface_status (surface)) + goto out; + + cr = cairo_create (surface); + cairo_push_group_with_content (cr, + cairo_boilerplate_content (target->content)); + similar = cairo_get_group_target (cr); + status = cairo_surface_status (similar); + + if (cairo_surface_get_type (similar) == cairo_surface_get_type (surface)) + has_similar = SIMILAR; + else + has_similar = DIRECT; + + cairo_destroy (cr); + cairo_surface_destroy (surface); + + if (target->cleanup) + target->cleanup (closure); + } while (! has_similar && cairo_test_malloc_failure (ctx, status)); +out: + free (path); + + return has_similar; +} + +static cairo_surface_t * +_cairo_test_flatten_reference_image (cairo_test_context_t *ctx, + cairo_bool_t flatten) +{ + cairo_surface_t *surface; + cairo_t *cr; + + if (! flatten) + return ctx->ref_image; + + if (ctx->ref_image_flattened != NULL) + return ctx->ref_image_flattened; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + cairo_image_surface_get_width (ctx->ref_image), + cairo_image_surface_get_height (ctx->ref_image)); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_surface (cr, ctx->ref_image, 0, 0); + cairo_paint (cr); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + if (cairo_surface_status (surface) == CAIRO_STATUS_SUCCESS) + ctx->ref_image_flattened = surface; + return surface; +} + +cairo_surface_t * +cairo_test_get_reference_image (cairo_test_context_t *ctx, + const char *filename, + cairo_bool_t flatten) +{ + cairo_surface_t *surface; + + if (ctx->ref_name != NULL) { + if (strcmp (ctx->ref_name, filename) == 0) + return _cairo_test_flatten_reference_image (ctx, flatten); + + cairo_surface_destroy (ctx->ref_image); + ctx->ref_image = NULL; + + cairo_surface_destroy (ctx->ref_image_flattened); + ctx->ref_image_flattened = NULL; + + free (ctx->ref_name); + ctx->ref_name = NULL; + } + + surface = cairo_image_surface_create_from_png (filename); + if (cairo_surface_status (surface)) + return surface; + + ctx->ref_name = xstrdup (filename); + ctx->ref_image = surface; + return _cairo_test_flatten_reference_image (ctx, flatten); +} + +static cairo_bool_t +cairo_test_file_is_older (const char *filename, + char **ref_filenames, + int num_ref_filenames) +{ +#if HAVE_SYS_STAT_H + struct stat st; + + if (stat (filename, &st) < 0) + return FALSE; + + while (num_ref_filenames--) { + struct stat ref; + char *ref_filename = *ref_filenames++; + + if (ref_filename == NULL) + continue; + + if (stat (ref_filename++, &ref) < 0) + continue; + + if (st.st_mtime <= ref.st_mtime) + return TRUE; + } +#endif + + return FALSE; +} + +static cairo_bool_t +cairo_test_files_equal (const char *test_filename, + const char *pass_filename) +{ + FILE *test, *pass; + int t, p; + + if (test_filename == NULL || pass_filename == NULL) + return FALSE; + + test = fopen (test_filename, "rb"); + if (test == NULL) + return FALSE; + + pass = fopen (pass_filename, "rb"); + if (pass == NULL) { + fclose (test); + return FALSE; + } + + /* as simple as it gets */ + do { + t = getc (test); + p = getc (pass); + if (t != p) + break; + } while (t != EOF && p != EOF); + + fclose (pass); + fclose (test); + + return t == p; /* both EOF */ +} + +static cairo_bool_t +cairo_test_copy_file (const char *src_filename, + const char *dst_filename) +{ + FILE *src, *dst; + int c; + +#if HAVE_LINK + if (link (src_filename, dst_filename) == 0) + return TRUE; + + unlink (dst_filename); +#endif + + src = fopen (src_filename, "rb"); + if (src == NULL) + return FALSE; + + dst = fopen (dst_filename, "wb"); + if (dst == NULL) { + fclose (src); + return FALSE; + } + + /* as simple as it gets */ + while ((c = getc (src)) != EOF) + putc (c, dst); + + fclose (src); + fclose (dst); + + return TRUE; +} + +static cairo_test_status_t +cairo_test_for_target (cairo_test_context_t *ctx, + const cairo_boilerplate_target_t *target, + int dev_offset, + int dev_scale, + cairo_bool_t similar) +{ + cairo_test_status_t status; + cairo_surface_t *surface = NULL; + cairo_t *cr; + const char *empty_str = ""; + char *offset_str; + char *scale_str; + char *base_name, *base_path; + char *out_png_path; + char *ref_path = NULL, *ref_png_path, *cmp_png_path = NULL; + char *new_path = NULL, *new_png_path; + char *xfail_path = NULL, *xfail_png_path; + char *base_ref_png_path; + char *base_new_png_path; + char *base_xfail_png_path; + char *diff_png_path; + char *test_filename = NULL, *pass_filename = NULL, *fail_filename = NULL; + cairo_test_status_t ret; + cairo_content_t expected_content; + cairo_font_options_t *font_options; + const char *format; + cairo_bool_t have_output = FALSE; + cairo_bool_t have_result = FALSE; + void *closure; + double width, height; + cairo_bool_t have_output_dir; +#if HAVE_MEMFAULT + int malloc_failure_iterations = ctx->malloc_failure; + int last_fault_count = 0; +#endif + + /* Get the strings ready that we'll need. */ + format = cairo_boilerplate_content_name (target->content); + if (dev_offset) + xasprintf (&offset_str, ".%d", dev_offset); + else + offset_str = (char *) empty_str; + + if (dev_scale != 1) + xasprintf (&scale_str, ".x%d", dev_scale); + else + scale_str = (char *) empty_str; + + xasprintf (&base_name, "%s.%s.%s%s%s%s", + ctx->test_name, + target->name, + format, + similar ? ".similar" : "", + offset_str, + scale_str); + + if (offset_str != empty_str) + free (offset_str); + if (scale_str != empty_str) + free (scale_str); + + ref_png_path = cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + target->name, + target->basename, + format, + CAIRO_TEST_REF_SUFFIX, + CAIRO_TEST_PNG_EXTENSION); + new_png_path = cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + target->name, + target->basename, + format, + CAIRO_TEST_NEW_SUFFIX, + CAIRO_TEST_PNG_EXTENSION); + xfail_png_path = cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + target->name, + target->basename, + format, + CAIRO_TEST_XFAIL_SUFFIX, + CAIRO_TEST_PNG_EXTENSION); + + base_ref_png_path = cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + NULL, NULL, + format, + CAIRO_TEST_REF_SUFFIX, + CAIRO_TEST_PNG_EXTENSION); + base_new_png_path = cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + NULL, NULL, + format, + CAIRO_TEST_NEW_SUFFIX, + CAIRO_TEST_PNG_EXTENSION); + base_xfail_png_path = cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + NULL, NULL, + format, + CAIRO_TEST_XFAIL_SUFFIX, + CAIRO_TEST_PNG_EXTENSION); + + if (target->file_extension != NULL) { + ref_path = cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + target->name, + target->basename, + format, + CAIRO_TEST_REF_SUFFIX, + target->file_extension); + new_path = cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + target->name, + target->basename, + format, + CAIRO_TEST_NEW_SUFFIX, + target->file_extension); + xfail_path = cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + target->name, + target->basename, + format, + CAIRO_TEST_XFAIL_SUFFIX, + target->file_extension); + } + + have_output_dir = cairo_test_mkdir (ctx->output); + xasprintf (&base_path, "%s/%s", + have_output_dir ? ctx->output : ".", + base_name); + xasprintf (&out_png_path, "%s" CAIRO_TEST_OUT_PNG, base_path); + xasprintf (&diff_png_path, "%s" CAIRO_TEST_DIFF_PNG, base_path); + + if (ctx->test->requirements != NULL) { + const char *required; + + required = target->is_vector ? "target=raster" : "target=vector"; + if (strstr (ctx->test->requirements, required) != NULL) { + cairo_test_log (ctx, "Error: Skipping for %s target %s\n", + target->is_vector ? "vector" : "raster", + target->name); + ret = CAIRO_TEST_UNTESTED; + goto UNWIND_STRINGS; + } + + required = target->is_recording ? "target=!recording" : "target=recording"; + if (strstr (ctx->test->requirements, required) != NULL) { + cairo_test_log (ctx, "Error: Skipping for %s target %s\n", + target->is_recording ? "recording" : "non-recording", + target->name); + ret = CAIRO_TEST_UNTESTED; + goto UNWIND_STRINGS; + } + } + + width = ctx->test->width; + height = ctx->test->height; + if (width && height) { + width *= dev_scale; + height *= dev_scale; + width += dev_offset; + height += dev_offset; + } + +#if HAVE_MEMFAULT +REPEAT: + MEMFAULT_CLEAR_FAULTS (); + MEMFAULT_RESET_LEAKS (); + ctx->last_fault_count = 0; + last_fault_count = MEMFAULT_COUNT_FAULTS (); + + /* Pre-initialise fontconfig so that the configuration is loaded without + * malloc failures (our primary goal is to test cairo fault tolerance). + */ +#if HAVE_FCINIT + FcInit (); +#endif + + MEMFAULT_ENABLE_FAULTS (); +#endif + have_output = FALSE; + have_result = FALSE; + + /* Run the actual drawing code. */ + ret = CAIRO_TEST_SUCCESS; + surface = (target->create_surface) (base_path, + target->content, + width, height, + ctx->test->width * NUM_DEVICE_SCALE + 25 * NUM_DEVICE_OFFSETS, + ctx->test->height * NUM_DEVICE_SCALE + 25 * NUM_DEVICE_OFFSETS, + CAIRO_BOILERPLATE_MODE_TEST, + &closure); + if (surface == NULL) { + cairo_test_log (ctx, "Error: Failed to set %s target\n", target->name); + ret = CAIRO_TEST_UNTESTED; + goto UNWIND_STRINGS; + } + +#if HAVE_MEMFAULT + if (ctx->malloc_failure && + MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 && + cairo_surface_status (surface) == CAIRO_STATUS_NO_MEMORY) + { + goto REPEAT; + } +#endif + + if (cairo_surface_status (surface)) { + MF (MEMFAULT_PRINT_FAULTS ()); + cairo_test_log (ctx, "Error: Created an error surface: %s\n", + cairo_status_to_string (cairo_surface_status (surface))); + ret = CAIRO_TEST_FAILURE; + goto UNWIND_STRINGS; + } + + /* Check that we created a surface of the expected type. */ + if (cairo_surface_get_type (surface) != target->expected_type) { + MF (MEMFAULT_PRINT_FAULTS ()); + cairo_test_log (ctx, "Error: Created surface is of type %d (expected %d)\n", + cairo_surface_get_type (surface), target->expected_type); + ret = CAIRO_TEST_UNTESTED; + goto UNWIND_SURFACE; + } + + /* Check that we created a surface of the expected content, + * (ignore the artificial CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED value). + */ + expected_content = cairo_boilerplate_content (target->content); + + if (cairo_surface_get_content (surface) != expected_content) { + MF (MEMFAULT_PRINT_FAULTS ()); + cairo_test_log (ctx, "Error: Created surface has content %d (expected %d)\n", + cairo_surface_get_content (surface), expected_content); + ret = CAIRO_TEST_FAILURE; + goto UNWIND_SURFACE; + } + + if (cairo_surface_set_user_data (surface, + &cairo_boilerplate_output_basename_key, + base_path, + NULL)) + { +#if HAVE_MEMFAULT + cairo_surface_destroy (surface); + + if (target->cleanup) + target->cleanup (closure); + + goto REPEAT; +#else + ret = CAIRO_TEST_FAILURE; + goto UNWIND_SURFACE; +#endif + } + + cairo_surface_set_device_offset (surface, dev_offset, dev_offset); + cairo_surface_set_device_scale (surface, dev_scale, dev_scale); + + cr = cairo_create (surface); + if (cairo_set_user_data (cr, &_cairo_test_context_key, (void*) ctx, NULL)) { +#if HAVE_MEMFAULT + cairo_destroy (cr); + cairo_surface_destroy (surface); + + if (target->cleanup) + target->cleanup (closure); + + goto REPEAT; +#else + ret = CAIRO_TEST_FAILURE; + goto UNWIND_CAIRO; +#endif + } + + if (similar) + cairo_push_group_with_content (cr, expected_content); + + /* Clear to transparent (or black) depending on whether the target + * surface supports alpha. */ + cairo_save (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr); + cairo_restore (cr); + + /* Set all components of font_options to avoid backend differences + * and reduce number of needed reference images. */ + font_options = cairo_font_options_create (); + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE); + cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_ON); + cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_GRAY); + cairo_set_font_options (cr, font_options); + cairo_font_options_destroy (font_options); + + cairo_save (cr); + alarm (ctx->timeout); + status = (ctx->test->draw) (cr, ctx->test->width, ctx->test->height); + alarm (0); + cairo_restore (cr); + + if (similar) { + cairo_pop_group_to_source (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + } + +#if HAVE_MEMFAULT + MEMFAULT_DISABLE_FAULTS (); + + /* repeat test after malloc failure injection */ + if (ctx->malloc_failure && + MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 && + (status == CAIRO_TEST_NO_MEMORY || + cairo_status (cr) == CAIRO_STATUS_NO_MEMORY || + cairo_surface_status (surface) == CAIRO_STATUS_NO_MEMORY)) + { + cairo_destroy (cr); + cairo_surface_destroy (surface); + if (target->cleanup) + target->cleanup (closure); + cairo_debug_reset_static_data (); +#if HAVE_FCFINI + FcFini (); +#endif + if (MEMFAULT_COUNT_LEAKS () > 0) { + MEMFAULT_PRINT_FAULTS (); + MEMFAULT_PRINT_LEAKS (); + } + + goto REPEAT; + } +#endif + + /* Then, check all the different ways it could fail. */ + if (status) { + cairo_test_log (ctx, "Error: Function under test failed\n"); + ret = status; + goto UNWIND_CAIRO; + } + +#if HAVE_MEMFAULT + if (MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 && + MEMFAULT_HAS_FAULTS ()) + { + VALGRIND_PRINTF ("Unreported memfaults..."); + MEMFAULT_PRINT_FAULTS (); + } +#endif + + if (target->finish_surface != NULL) { +#if HAVE_MEMFAULT + /* We need to re-enable faults as most recording-surface processing + * is done during cairo_surface_finish(). + */ + MEMFAULT_CLEAR_FAULTS (); + last_fault_count = MEMFAULT_COUNT_FAULTS (); + MEMFAULT_ENABLE_FAULTS (); +#endif + + /* also check for infinite loops whilst replaying */ + alarm (ctx->timeout); + status = target->finish_surface (surface); + alarm (0); + +#if HAVE_MEMFAULT + MEMFAULT_DISABLE_FAULTS (); + + if (ctx->malloc_failure && + MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 && + status == CAIRO_STATUS_NO_MEMORY) + { + cairo_destroy (cr); + cairo_surface_destroy (surface); + if (target->cleanup) + target->cleanup (closure); + cairo_debug_reset_static_data (); +#if HAVE_FCFINI + FcFini (); +#endif + if (MEMFAULT_COUNT_LEAKS () > 0) { + MEMFAULT_PRINT_FAULTS (); + MEMFAULT_PRINT_LEAKS (); + } + + goto REPEAT; + } +#endif + if (status) { + cairo_test_log (ctx, "Error: Failed to finish surface: %s\n", + cairo_status_to_string (status)); + ret = CAIRO_TEST_FAILURE; + goto UNWIND_CAIRO; + } + } + + /* Skip image check for tests with no image (width,height == 0,0) */ + if (ctx->test->width != 0 && ctx->test->height != 0) { + cairo_surface_t *ref_image; + cairo_surface_t *test_image; + cairo_surface_t *diff_image; + buffer_diff_result_t result; + cairo_status_t diff_status; + + if (ref_png_path == NULL) { + cairo_test_log (ctx, "Error: Cannot find reference image for %s\n", + base_name); + + /* we may be running this test to generate reference images */ + _xunlink (ctx, out_png_path); + /* be more generous as we may need to use external renderers */ + alarm (4 * ctx->timeout); + test_image = target->get_image_surface (surface, 0, + ctx->test->width, + ctx->test->height); + alarm (0); + diff_status = cairo_surface_write_to_png (test_image, out_png_path); + cairo_surface_destroy (test_image); + if (diff_status) { + if (cairo_surface_status (test_image) == CAIRO_STATUS_INVALID_STATUS) + ret = CAIRO_TEST_CRASHED; + else + ret = CAIRO_TEST_FAILURE; + cairo_test_log (ctx, + "Error: Failed to write output image: %s\n", + cairo_status_to_string (diff_status)); + } + have_output = TRUE; + + ret = CAIRO_TEST_XFAILURE; + goto UNWIND_CAIRO; + } + + if (target->file_extension != NULL) { /* compare vector surfaces */ + char *filenames[] = { + ref_png_path, + ref_path, + new_png_path, + new_path, + xfail_png_path, + xfail_path, + base_ref_png_path, + base_new_png_path, + base_xfail_png_path, + }; + + xasprintf (&test_filename, "%s.out%s", + base_path, target->file_extension); + xasprintf (&pass_filename, "%s.pass%s", + base_path, target->file_extension); + xasprintf (&fail_filename, "%s.fail%s", + base_path, target->file_extension); + + if (cairo_test_file_is_older (pass_filename, + filenames, + ARRAY_LENGTH (filenames))) + { + _xunlink (ctx, pass_filename); + } + if (cairo_test_file_is_older (fail_filename, + filenames, + ARRAY_LENGTH (filenames))) + { + _xunlink (ctx, fail_filename); + } + + if (cairo_test_files_equal (out_png_path, ref_path)) { + cairo_test_log (ctx, "Vector surface matches reference.\n"); + have_output = FALSE; + ret = CAIRO_TEST_SUCCESS; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (out_png_path, new_path)) { + cairo_test_log (ctx, "Vector surface matches current failure.\n"); + have_output = FALSE; + ret = CAIRO_TEST_NEW; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (out_png_path, xfail_path)) { + cairo_test_log (ctx, "Vector surface matches known failure.\n"); + have_output = FALSE; + ret = CAIRO_TEST_XFAILURE; + goto UNWIND_CAIRO; + } + + if (cairo_test_files_equal (test_filename, pass_filename)) { + /* identical output as last known PASS */ + cairo_test_log (ctx, "Vector surface matches last pass.\n"); + have_output = TRUE; + ret = CAIRO_TEST_SUCCESS; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (test_filename, fail_filename)) { + /* identical output as last known FAIL, fail */ + cairo_test_log (ctx, "Vector surface matches last fail.\n"); + have_result = TRUE; /* presume these were kept around as well */ + have_output = TRUE; + ret = CAIRO_TEST_FAILURE; + goto UNWIND_CAIRO; + } + } + + /* be more generous as we may need to use external renderers */ + alarm (4 * ctx->timeout); + test_image = target->get_image_surface (surface, 0, + ctx->test->width, + ctx->test->height); + alarm (0); + if (cairo_surface_status (test_image)) { + cairo_test_log (ctx, "Error: Failed to extract image: %s\n", + cairo_status_to_string (cairo_surface_status (test_image))); + if (cairo_surface_status (test_image) == CAIRO_STATUS_INVALID_STATUS) + ret = CAIRO_TEST_CRASHED; + else + ret = CAIRO_TEST_FAILURE; + cairo_surface_destroy (test_image); + goto UNWIND_CAIRO; + } + + _xunlink (ctx, out_png_path); + diff_status = cairo_surface_write_to_png (test_image, out_png_path); + if (diff_status) { + cairo_test_log (ctx, "Error: Failed to write output image: %s\n", + cairo_status_to_string (diff_status)); + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_FAILURE; + goto UNWIND_CAIRO; + } + have_output = TRUE; + + /* binary compare png files (no decompression) */ + if (target->file_extension == NULL) { + char *filenames[] = { + ref_png_path, + new_png_path, + xfail_png_path, + base_ref_png_path, + base_new_png_path, + base_xfail_png_path, + }; + + xasprintf (&test_filename, "%s", out_png_path); + xasprintf (&pass_filename, "%s.pass.png", base_path); + xasprintf (&fail_filename, "%s.fail.png", base_path); + + if (cairo_test_file_is_older (pass_filename, + filenames, + ARRAY_LENGTH (filenames))) + { + _xunlink (ctx, pass_filename); + } + if (cairo_test_file_is_older (fail_filename, + filenames, + ARRAY_LENGTH (filenames))) + { + _xunlink (ctx, fail_filename); + } + + if (cairo_test_files_equal (test_filename, pass_filename)) { + cairo_test_log (ctx, "PNG file exactly matches last pass.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_SUCCESS; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (out_png_path, ref_png_path)) { + cairo_test_log (ctx, "PNG file exactly matches reference image.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_SUCCESS; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (out_png_path, new_png_path)) { + cairo_test_log (ctx, "PNG file exactly matches current failure image.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_NEW; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (out_png_path, xfail_png_path)) { + cairo_test_log (ctx, "PNG file exactly matches known failure image.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_XFAILURE; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (test_filename, fail_filename)) { + cairo_test_log (ctx, "PNG file exactly matches last fail.\n"); + have_result = TRUE; /* presume these were kept around as well */ + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_FAILURE; + goto UNWIND_CAIRO; + } + } else { + if (cairo_test_files_equal (out_png_path, ref_png_path)) { + cairo_test_log (ctx, "PNG file exactly matches reference image.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_SUCCESS; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (out_png_path, new_png_path)) { + cairo_test_log (ctx, "PNG file exactly matches current failure image.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_NEW; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (out_png_path, xfail_png_path)) { + cairo_test_log (ctx, "PNG file exactly matches known failure image.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_XFAILURE; + goto UNWIND_CAIRO; + } + } + + if (cairo_test_files_equal (out_png_path, base_ref_png_path)) { + cairo_test_log (ctx, "PNG file exactly reference image.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_SUCCESS; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (out_png_path, base_new_png_path)) { + cairo_test_log (ctx, "PNG file exactly current failure image.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_NEW; + goto UNWIND_CAIRO; + } + if (cairo_test_files_equal (out_png_path, base_xfail_png_path)) { + cairo_test_log (ctx, "PNG file exactly known failure image.\n"); + have_result = TRUE; + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_XFAILURE; + goto UNWIND_CAIRO; + } + + /* first compare against the ideal reference */ + ref_image = cairo_test_get_reference_image (ctx, base_ref_png_path, + target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED); + if (cairo_surface_status (ref_image)) { + cairo_test_log (ctx, "Error: Cannot open reference image for %s: %s\n", + base_ref_png_path, + cairo_status_to_string (cairo_surface_status (ref_image))); + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_FAILURE; + goto UNWIND_CAIRO; + } + + diff_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + ctx->test->width, + ctx->test->height); + + cmp_png_path = base_ref_png_path; + diff_status = image_diff (ctx, + test_image, ref_image, diff_image, + &result); + _xunlink (ctx, diff_png_path); + if (diff_status || + image_diff_is_failure (&result, target->error_tolerance)) + { + /* that failed, so check against the specific backend */ + ref_image = cairo_test_get_reference_image (ctx, ref_png_path, + target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED); + if (cairo_surface_status (ref_image)) { + cairo_test_log (ctx, "Error: Cannot open reference image for %s: %s\n", + ref_png_path, + cairo_status_to_string (cairo_surface_status (ref_image))); + cairo_surface_destroy (test_image); + ret = CAIRO_TEST_FAILURE; + goto UNWIND_CAIRO; + } + + cmp_png_path = ref_png_path; + diff_status = image_diff (ctx, + test_image, ref_image, + diff_image, + &result); + if (diff_status) + { + cairo_test_log (ctx, "Error: Failed to compare images: %s\n", + cairo_status_to_string (diff_status)); + ret = CAIRO_TEST_FAILURE; + } + else if (image_diff_is_failure (&result, target->error_tolerance)) + { + ret = CAIRO_TEST_FAILURE; + + diff_status = cairo_surface_write_to_png (diff_image, + diff_png_path); + if (diff_status) { + cairo_test_log (ctx, "Error: Failed to write differences image: %s\n", + cairo_status_to_string (diff_status)); + } else { + have_result = TRUE; + } + + cairo_test_copy_file (test_filename, fail_filename); + } + else + { /* success */ + cairo_test_copy_file (test_filename, pass_filename); + } + } + else + { /* success */ + cairo_test_copy_file (test_filename, pass_filename); + } + + /* If failed, compare against the current image output, + * and attempt to detect systematic failures. + */ + if (ret == CAIRO_TEST_FAILURE) { + char *image_out_path; + + image_out_path = + cairo_test_reference_filename (ctx, + base_name, + ctx->test_name, + "image", + "image", + format, + CAIRO_TEST_OUT_SUFFIX, + CAIRO_TEST_PNG_EXTENSION); + if (image_out_path != NULL) { + if (cairo_test_files_equal (out_png_path, + image_out_path)) + { + ret = CAIRO_TEST_XFAILURE; + } + else + { + ref_image = + cairo_image_surface_create_from_png (image_out_path); + if (cairo_surface_status (ref_image) == CAIRO_STATUS_SUCCESS) + { + diff_status = image_diff (ctx, + test_image, ref_image, + diff_image, + &result); + if (diff_status == CAIRO_STATUS_SUCCESS && + !image_diff_is_failure (&result, target->error_tolerance)) + { + ret = CAIRO_TEST_XFAILURE; + } + + cairo_surface_destroy (ref_image); + } + } + + free (image_out_path); + } + } + + cairo_surface_destroy (test_image); + cairo_surface_destroy (diff_image); + } + + if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) { + cairo_test_log (ctx, "Error: Function under test left cairo status in an error state: %s\n", + cairo_status_to_string (cairo_status (cr))); + ret = CAIRO_TEST_ERROR; + goto UNWIND_CAIRO; + } + +UNWIND_CAIRO: + free (test_filename); + free (fail_filename); + free (pass_filename); + + test_filename = fail_filename = pass_filename = NULL; + +#if HAVE_MEMFAULT + if (ret == CAIRO_TEST_FAILURE) + MEMFAULT_PRINT_FAULTS (); +#endif + cairo_destroy (cr); +UNWIND_SURFACE: + cairo_surface_destroy (surface); + + if (target->cleanup) + target->cleanup (closure); + +#if HAVE_MEMFAULT + cairo_debug_reset_static_data (); + +#if HAVE_FCFINI + FcFini (); +#endif + + if (MEMFAULT_COUNT_LEAKS () > 0) { + if (ret != CAIRO_TEST_FAILURE) + MEMFAULT_PRINT_FAULTS (); + MEMFAULT_PRINT_LEAKS (); + } + + if (ret == CAIRO_TEST_SUCCESS && --malloc_failure_iterations > 0) + goto REPEAT; +#endif + + if (have_output) + cairo_test_log (ctx, "OUTPUT: %s\n", out_png_path); + + if (have_result) { + if (cmp_png_path == NULL) { + /* XXX presume we matched the normal ref last time */ + cmp_png_path = ref_png_path; + } + cairo_test_log (ctx, + "REFERENCE: %s\nDIFFERENCE: %s\n", + cmp_png_path, diff_png_path); + } + +UNWIND_STRINGS: + free (out_png_path); + free (ref_png_path); + free (base_ref_png_path); + free (ref_path); + free (new_png_path); + free (base_new_png_path); + free (new_path); + free (xfail_png_path); + free (base_xfail_png_path); + free (xfail_path); + free (diff_png_path); + free (base_path); + free (base_name); + + return ret; +} + +#if defined(HAVE_SIGNAL_H) && defined(HAVE_SETJMP_H) +#include <signal.h> +#include <setjmp.h> +/* Used to catch crashes in a test, so that we report it as such and + * continue testing, although one crasher may already have corrupted memory in + * an nonrecoverable fashion. */ +static jmp_buf jmpbuf; + +static void +segfault_handler (int signal) +{ + longjmp (jmpbuf, signal); +} +#endif + +cairo_test_status_t +_cairo_test_context_run_for_target (cairo_test_context_t *ctx, + const cairo_boilerplate_target_t *target, + cairo_bool_t similar, + int dev_offset, int dev_scale) +{ + cairo_test_status_t status; + + if (target->get_image_surface == NULL) + return CAIRO_TEST_UNTESTED; + + if (similar && ! cairo_test_target_has_similar (ctx, target)) + return CAIRO_TEST_UNTESTED; + + cairo_test_log (ctx, + "Testing %s with %s%s target (dev offset %d scale: %d)\n", + ctx->test_name, + similar ? " (similar) " : "", + target->name, + dev_offset, dev_scale); + + printf ("%s.%s.%s [%dx%d]%s:\t", ctx->test_name, target->name, + cairo_boilerplate_content_name (target->content), + dev_offset, dev_scale, + similar ? " (similar)": ""); + fflush (stdout); + +#if defined(HAVE_SIGNAL_H) && defined(HAVE_SETJMP_H) + if (! RUNNING_ON_VALGRIND) { + void (* volatile old_segfault_handler)(int); + void (* volatile old_segfpe_handler)(int); + void (* volatile old_sigpipe_handler)(int); + void (* volatile old_sigabrt_handler)(int); + void (* volatile old_sigalrm_handler)(int); + + /* Set up a checkpoint to get back to in case of segfaults. */ +#ifdef SIGSEGV + old_segfault_handler = signal (SIGSEGV, segfault_handler); +#endif +#ifdef SIGFPE + old_segfpe_handler = signal (SIGFPE, segfault_handler); +#endif +#ifdef SIGPIPE + old_sigpipe_handler = signal (SIGPIPE, segfault_handler); +#endif +#ifdef SIGABRT + old_sigabrt_handler = signal (SIGABRT, segfault_handler); +#endif +#ifdef SIGALRM + old_sigalrm_handler = signal (SIGALRM, segfault_handler); +#endif + if (0 == setjmp (jmpbuf)) + status = cairo_test_for_target (ctx, target, dev_offset, dev_scale, similar); + else + status = CAIRO_TEST_CRASHED; +#ifdef SIGSEGV + signal (SIGSEGV, old_segfault_handler); +#endif +#ifdef SIGFPE + signal (SIGFPE, old_segfpe_handler); +#endif +#ifdef SIGPIPE + signal (SIGPIPE, old_sigpipe_handler); +#endif +#ifdef SIGABRT + signal (SIGABRT, old_sigabrt_handler); +#endif +#ifdef SIGALRM + signal (SIGALRM, old_sigalrm_handler); +#endif + } else { + status = cairo_test_for_target (ctx, target, dev_offset, dev_scale, similar); + } +#else + status = cairo_test_for_target (ctx, target, dev_offset, dev_scale, similar); +#endif + + cairo_test_log (ctx, + "TEST: %s TARGET: %s FORMAT: %s OFFSET: %d SCALE: %d SIMILAR: %d RESULT: ", + ctx->test_name, target->name, + cairo_boilerplate_content_name (target->content), + dev_offset, dev_scale, similar); + switch (status) { + case CAIRO_TEST_SUCCESS: + printf ("PASS\n"); + cairo_test_log (ctx, "PASS\n"); + break; + + case CAIRO_TEST_UNTESTED: + printf ("UNTESTED\n"); + cairo_test_log (ctx, "UNTESTED\n"); + break; + + default: + case CAIRO_TEST_CRASHED: + if (print_fail_on_stdout) { + printf ("!!!CRASHED!!!\n"); + } else { + /* eat the test name */ + printf ("\r"); + fflush (stdout); + } + cairo_test_log (ctx, "CRASHED\n"); + fprintf (stderr, "%s.%s.%s [%dx%d]%s:\t%s!!!CRASHED!!!%s\n", + ctx->test_name, target->name, + cairo_boilerplate_content_name (target->content), dev_offset, dev_scale, similar ? " (similar)" : "", + fail_face, normal_face); + break; + + case CAIRO_TEST_ERROR: + if (print_fail_on_stdout) { + printf ("!!!ERROR!!!\n"); + } else { + /* eat the test name */ + printf ("\r"); + fflush (stdout); + } + cairo_test_log (ctx, "ERROR\n"); + fprintf (stderr, "%s.%s.%s [%dx%d]%s:\t%s!!!ERROR!!!%s\n", + ctx->test_name, target->name, + cairo_boilerplate_content_name (target->content), dev_offset, dev_scale, similar ? " (similar)" : "", + fail_face, normal_face); + break; + + case CAIRO_TEST_XFAILURE: + if (print_fail_on_stdout) { + printf ("XFAIL\n"); + } else { + /* eat the test name */ + printf ("\r"); + fflush (stdout); + } + fprintf (stderr, "%s.%s.%s [%dx%d]%s:\t%sXFAIL%s\n", + ctx->test_name, target->name, + cairo_boilerplate_content_name (target->content), dev_offset, dev_scale, similar ? " (similar)" : "", + xfail_face, normal_face); + cairo_test_log (ctx, "XFAIL\n"); + break; + + case CAIRO_TEST_NEW: + if (print_fail_on_stdout) { + printf ("NEW\n"); + } else { + /* eat the test name */ + printf ("\r"); + fflush (stdout); + } + fprintf (stderr, "%s.%s.%s [%dx%d]%s:\t%sNEW%s\n", + ctx->test_name, target->name, + cairo_boilerplate_content_name (target->content), dev_offset, dev_scale, similar ? " (similar)" : "", + fail_face, normal_face); + cairo_test_log (ctx, "NEW\n"); + break; + + case CAIRO_TEST_NO_MEMORY: + case CAIRO_TEST_FAILURE: + if (print_fail_on_stdout) { + printf ("FAIL\n"); + } else { + /* eat the test name */ + printf ("\r"); + fflush (stdout); + } + fprintf (stderr, "%s.%s.%s [%dx%d]%s:\t%sFAIL%s\n", + ctx->test_name, target->name, + cairo_boilerplate_content_name (target->content), dev_offset, dev_scale, similar ? " (similar)" : "", + fail_face, normal_face); + cairo_test_log (ctx, "FAIL\n"); + break; + } + fflush (stdout); + + return status; +} + +const cairo_test_context_t * +cairo_test_get_context (cairo_t *cr) +{ + return cairo_get_user_data (cr, &_cairo_test_context_key); +} + +cairo_surface_t * +cairo_test_create_surface_from_png (const cairo_test_context_t *ctx, + const char *filename) +{ + cairo_surface_t *image; + cairo_status_t status; + + image = cairo_image_surface_create_from_png (filename); + status = cairo_surface_status (image); + if (status == CAIRO_STATUS_FILE_NOT_FOUND) { + /* expect not found when running with srcdir != builddir + * such as when 'make distcheck' is run + */ + if (ctx->srcdir) { + char *srcdir_filename; + xasprintf (&srcdir_filename, "%s/%s", ctx->srcdir, filename); + cairo_surface_destroy (image); + image = cairo_image_surface_create_from_png (srcdir_filename); + free (srcdir_filename); + } + } + + return image; +} + +cairo_pattern_t * +cairo_test_create_pattern_from_png (const cairo_test_context_t *ctx, + const char *filename) +{ + cairo_surface_t *image; + cairo_pattern_t *pattern; + + image = cairo_test_create_surface_from_png (ctx, filename); + + pattern = cairo_pattern_create_for_surface (image); + + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + + cairo_surface_destroy (image); + + return pattern; +} + +static cairo_surface_t * +_draw_check (int width, int height) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 12, 12); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 0.75, 0.75, 0.75); /* light gray */ + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.25, 0.25, 0.25); /* dark gray */ + cairo_rectangle (cr, width / 2, 0, width / 2, height / 2); + cairo_rectangle (cr, 0, height / 2, width / 2, height / 2); + cairo_fill (cr); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +void +cairo_test_paint_checkered (cairo_t *cr) +{ + cairo_surface_t *check; + + check = _draw_check (12, 12); + + cairo_save (cr); + cairo_set_source_surface (cr, check, 0, 0); + cairo_surface_destroy (check); + + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_paint (cr); + + cairo_restore (cr); +} + +cairo_bool_t +cairo_test_is_target_enabled (const cairo_test_context_t *ctx, + const char *target) +{ + size_t i; + + for (i = 0; i < ctx->num_targets; i++) { + const cairo_boilerplate_target_t *t = ctx->targets_to_test[i]; + if (strcmp (t->name, target) == 0) { + /* XXX ask the target whether is it possible to run? + * e.g. the xlib backend could check whether it is able to connect + * to the Display. + */ + return t->get_image_surface != NULL; + } + } + + return FALSE; +} + +cairo_bool_t +cairo_test_malloc_failure (const cairo_test_context_t *ctx, + cairo_status_t status) +{ + if (! ctx->malloc_failure) + return FALSE; + + if (status != CAIRO_STATUS_NO_MEMORY) + return FALSE; + +#if HAVE_MEMFAULT + { + int n_faults; + + /* prevent infinite loops... */ + n_faults = MEMFAULT_COUNT_FAULTS (); + if (n_faults == ctx->last_fault_count) + return FALSE; + + ((cairo_test_context_t *) ctx)->last_fault_count = n_faults; + } +#endif + + return TRUE; +} + +cairo_test_status_t +cairo_test_status_from_status (const cairo_test_context_t *ctx, + cairo_status_t status) +{ + if (status == CAIRO_STATUS_SUCCESS) + return CAIRO_TEST_SUCCESS; + + if (cairo_test_malloc_failure (ctx, status)) + return CAIRO_TEST_NO_MEMORY; + + return CAIRO_TEST_FAILURE; +} diff --git a/test/cairo-test.h b/test/cairo-test.h new file mode 100644 index 000000000..7e9605f61 --- /dev/null +++ b/test/cairo-test.h @@ -0,0 +1,322 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#ifndef _CAIRO_TEST_H_ +#define _CAIRO_TEST_H_ + +#include "cairo-boilerplate.h" + +#include <stdarg.h> + +CAIRO_BEGIN_DECLS + +#if HAVE_STDINT_H +# include <stdint.h> +#elif HAVE_INTTYPES_H +# include <inttypes.h> +#elif HAVE_SYS_INT_TYPES_H +# include <sys/int_types.h> +#elif defined(_MSC_VER) +typedef __int8 int8_t; +typedef unsigned __int8 uint8_t; +typedef __int16 int16_t; +typedef unsigned __int16 uint16_t; +typedef __int32 int32_t; +typedef unsigned __int32 uint32_t; +typedef __int64 int64_t; +typedef unsigned __int64 uint64_t; +# ifndef HAVE_UINT64_T +# define HAVE_UINT64_T 1 +# endif +#else +#error Cannot find definitions for fixed-width integral types (uint8_t, uint32_t, \etc.) +#endif + +#ifdef _MSC_VER +#define _USE_MATH_DEFINES + +#include <float.h> +#define isnan(x) _isnan(x) + +#endif + +#if HAVE_FENV_H +# include <fenv.h> +#endif +/* The following are optional in C99, so define them if they aren't yet */ +#ifndef FE_DIVBYZERO +#define FE_DIVBYZERO 0 +#endif +#ifndef FE_INEXACT +#define FE_INEXACT 0 +#endif +#ifndef FE_INVALID +#define FE_INVALID 0 +#endif +#ifndef FE_OVERFLOW +#define FE_OVERFLOW 0 +#endif +#ifndef FE_UNDERFLOW +#define FE_UNDERFLOW 0 +#endif + +#include <math.h> + +static inline double +cairo_test_NaN (void) +{ +#ifdef _MSC_VER + /* MSVC strtod("NaN", NULL) returns 0.0 */ + union { + uint32_t i[2]; + double d; + } nan = {{0xffffffff, 0x7fffffff}}; + return nan.d; +#else + return strtod("NaN", NULL); +#endif +} + +#ifndef MIN +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#endif + +#ifndef MAX +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#endif + +#define CAIRO_TEST_OUTPUT_DIR "output" + +#define CAIRO_TEST_LOG_SUFFIX ".log" + +#define CAIRO_TEST_FONT_FAMILY "DejaVu" + +/* What is a fail and what isn't? + * When running the test suite we want to detect unexpected output. This + * can be caused by a change we have made to cairo itself, or a change + * in our environment. To capture this we classify the expected output into 3 + * classes: + * + * REF -- Perfect output. + * Might be different for each backend, due to slight implementation + * differences. + * + * NEW -- A new failure. We have uncovered a bug within cairo and have + * recorded the current failure (along with the expected output + * if possible!) so we can detect any changes in our attempt to + * fix the bug. + * + * XFAIL -- An external failure. We believe the cairo output is perfect, + * but an external renderer is causing gross failure. + * (We also use this to capture current WONTFIX issues within cairo, + * such as overflow in internal coordinates, so as not to distract + * us when regression testing.) + * + * If no REF is given for a test, then it is assumed to be XFAIL. + */ +#define CAIRO_TEST_REF_SUFFIX ".ref" +#define CAIRO_TEST_XFAIL_SUFFIX ".xfail" +#define CAIRO_TEST_NEW_SUFFIX ".new" + +#define CAIRO_TEST_OUT_SUFFIX ".out" +#define CAIRO_TEST_DIFF_SUFFIX ".diff" + +#define CAIRO_TEST_PNG_EXTENSION ".png" +#define CAIRO_TEST_OUT_PNG CAIRO_TEST_OUT_SUFFIX CAIRO_TEST_PNG_EXTENSION +#define CAIRO_TEST_REF_PNG CAIRO_TEST_REF_SUFFIX CAIRO_TEST_PNG_EXTENSION +#define CAIRO_TEST_DIFF_PNG CAIRO_TEST_DIFF_SUFFIX CAIRO_TEST_PNG_EXTENSION + +typedef enum cairo_test_status { + CAIRO_TEST_SUCCESS = 0, + CAIRO_TEST_NO_MEMORY, + CAIRO_TEST_FAILURE, + CAIRO_TEST_NEW, + CAIRO_TEST_XFAILURE, + CAIRO_TEST_ERROR, + CAIRO_TEST_CRASHED, + CAIRO_TEST_UNTESTED = 77 /* match automake's skipped exit status */ +} cairo_test_status_t; + +typedef struct _cairo_test_context cairo_test_context_t; +typedef struct _cairo_test cairo_test_t; + +typedef cairo_test_status_t +(cairo_test_preamble_function_t) (cairo_test_context_t *ctx); + +typedef cairo_test_status_t +(cairo_test_draw_function_t) (cairo_t *cr, int width, int height); + +struct _cairo_test { + const char *name; + const char *description; + const char *keywords; + const char *requirements; + double width; + double height; + cairo_test_preamble_function_t *preamble; + cairo_test_draw_function_t *draw; +}; + +/* The standard test interface which works by examining result image. + * + * CAIRO_TEST() constructs a test which will be called once before (the + * preamble callback), and then once for each testable backend (the draw + * callback). The following checks will be performed for each backend: + * + * 1) If preamble() returns CAIRO_TEST_UNTESTED, the test is skipped. + * + * 2) If preamble() does not return CAIRO_TEST_SUCCESS, the test fails. + * + * 3) If draw() does not return CAIRO_TEST_SUCCESS then this backend + * fails. + * + * 4) Otherwise, if cairo_status(cr) indicates an error then this + * backend fails. + * + * 5) Otherwise, if the image size is 0, then this backend passes. + * + * 6) Otherwise, if every channel of every pixel exactly matches the + * reference image then this backend passes. If not, this backend + * fails. + * + * The overall test result is PASS if and only if there is at least + * one backend that is tested and if all tested backend pass according + * to the four criteria above. + */ +#define CAIRO_TEST(name, description, keywords, requirements, width, height, preamble, draw) \ +void _register_##name (void); \ +void _register_##name (void) { \ + static cairo_test_t test = { \ + #name, description, \ + keywords, requirements, \ + width, height, \ + preamble, draw \ + }; \ + cairo_test_register (&test); \ +} + +void +cairo_test_register (cairo_test_t *test); + +/* The full context for the test. + * For ordinary tests (using the CAIRO_TEST()->draw interface) the context + * is passed to the draw routine via user_data on the cairo_t. + * The reason why the context is not passed as an explicit parameter is that + * it is rarely required by the test itself and by removing the parameter + * we can keep the draw routines simple and serve as example code. + * + * In contrast, for the preamble phase the context is passed as the only + * parameter. + */ +struct _cairo_test_context { + const cairo_test_t *test; + const char *test_name; + + FILE *log_file; + const char *output; + const char *srcdir; /* directory containing sources and input data */ + const char *refdir; /* directory containing reference images */ + + char *ref_name; /* cache of the current reference image */ + cairo_surface_t *ref_image; + cairo_surface_t *ref_image_flattened; + + size_t num_targets; + cairo_bool_t limited_targets; + const cairo_boilerplate_target_t **targets_to_test; + cairo_bool_t own_targets; + + int malloc_failure; + int last_fault_count; + + int timeout; +}; + +/* Retrieve the test context from the cairo_t, used for logging, paths etc */ +const cairo_test_context_t * +cairo_test_get_context (cairo_t *cr); + + +/* Print a message to the log file, ala printf. */ +void +cairo_test_log (const cairo_test_context_t *ctx, + const char *fmt, ...) CAIRO_BOILERPLATE_PRINTF_FORMAT(2, 3); +void +cairo_test_logv (const cairo_test_context_t *ctx, + const char *fmt, va_list ap) CAIRO_BOILERPLATE_PRINTF_FORMAT(2, 0); + +/* Helper functions that take care of finding source images even when + * building in a non-srcdir manner, (i.e. the tests will be run in a + * directory that is different from the one where the source image + * exists). */ +cairo_surface_t * +cairo_test_create_surface_from_png (const cairo_test_context_t *ctx, + const char *filename); + +cairo_pattern_t * +cairo_test_create_pattern_from_png (const cairo_test_context_t *ctx, + const char *filename); + +void +cairo_test_paint_checkered (cairo_t *cr); + +#define CAIRO_TEST_DOUBLE_EQUALS(a,b) (fabs((a)-(b)) < 0.00001) + +cairo_bool_t +cairo_test_is_target_enabled (const cairo_test_context_t *ctx, + const char *target); + +char * +cairo_test_get_name (const cairo_test_t *test); + +cairo_bool_t +cairo_test_malloc_failure (const cairo_test_context_t *ctx, + cairo_status_t status); + +cairo_test_status_t +cairo_test_status_from_status (const cairo_test_context_t *ctx, + cairo_status_t status); + +char * +cairo_test_reference_filename (const cairo_test_context_t *ctx, + const char *base_name, + const char *test_name, + const char *target_name, + const char *base_target_name, + const char *format, + const char *suffix, + const char *extension); + +cairo_surface_t * +cairo_test_get_reference_image (cairo_test_context_t *ctx, + const char *filename, + cairo_bool_t flatten); + +cairo_bool_t +cairo_test_mkdir (const char *path); + +CAIRO_END_DECLS + +#endif diff --git a/test/caps-joins-alpha.c b/test/caps-joins-alpha.c new file mode 100644 index 000000000..bbff44e57 --- /dev/null +++ b/test/caps-joins-alpha.c @@ -0,0 +1,89 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (5 * LINE_WIDTH) +#define PAD (2 * LINE_WIDTH) + +static void +make_path (cairo_t *cr) +{ + cairo_move_to (cr, 0., 0.); + cairo_rel_line_to (cr, 0., SIZE); + cairo_rel_line_to (cr, SIZE, 0.); + cairo_close_path (cr); + + cairo_move_to (cr, 2 * LINE_WIDTH, 0.); + cairo_rel_line_to (cr, 3 * LINE_WIDTH, 0.); + cairo_rel_line_to (cr, 0., 3 * LINE_WIDTH); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* First draw a checkered background */ + cairo_test_paint_checkered (cr); + + /* Then draw the original caps-joins test but with a bit of alphs thrown in. */ + cairo_set_line_width (cr, LINE_WIDTH); + + cairo_set_source_rgba (cr, 1.0, 0.0, 0.0, 0.5); /* 50% red */ + cairo_translate (cr, PAD, PAD); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + + cairo_set_source_rgba (cr, 0.0, 1.0, 0.0, 0.5); /* 50% green */ + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + + cairo_set_source_rgba (cr, 0.0, 0.0, 1.0, 0.5); /* 50% blue */ + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (caps_joins_alpha, + "Test caps and joins with some source alpha", + "stroke", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + PAD + SIZE + PAD, + NULL, draw) diff --git a/test/caps-joins-curve.c b/test/caps-joins-curve.c new file mode 100644 index 000000000..cf197547c --- /dev/null +++ b/test/caps-joins-curve.c @@ -0,0 +1,111 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (5 * LINE_WIDTH) +#define PAD (3 * LINE_WIDTH) + +static void +make_path (cairo_t *cr) +{ + cairo_move_to (cr, 0, 0); + cairo_rel_curve_to (cr, + -SIZE/4, SIZE/3, + -SIZE/4, SIZE/3, + 0, SIZE); + cairo_rel_curve_to (cr, + SIZE/3, -SIZE/4, + SIZE/3, -SIZE/4, + SIZE, 0); + cairo_close_path (cr); + + cairo_move_to (cr, 5 * LINE_WIDTH, 3 * LINE_WIDTH); + cairo_rel_curve_to (cr, + 0, -3 * LINE_WIDTH, + 0, -3 * LINE_WIDTH, + -3 * LINE_WIDTH, -3 * LINE_WIDTH); +} + +static void +draw_caps_joins (cairo_t *cr) +{ + cairo_save (cr); + + cairo_translate (cr, PAD, PAD); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_set_line_width (cr, LINE_WIDTH); + + draw_caps_joins (cr); + + /* and reflect to generate the opposite vertex ordering */ + cairo_translate (cr, 0, height); + cairo_scale (cr, 1, -1); + + draw_caps_joins (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (caps_joins_curve, + "Test caps and joins on curves", + "stroke, cap, join", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + 2 * (PAD + SIZE) + PAD, + NULL, draw) + diff --git a/test/caps-joins.c b/test/caps-joins.c new file mode 100644 index 000000000..de22d0367 --- /dev/null +++ b/test/caps-joins.c @@ -0,0 +1,150 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (5 * LINE_WIDTH) +#define PAD (2 * LINE_WIDTH) + +static void +make_path (cairo_t *cr) +{ + cairo_move_to (cr, 0., 0.); + cairo_rel_line_to (cr, 0., SIZE); + cairo_rel_line_to (cr, SIZE, 0.); + cairo_close_path (cr); + + cairo_move_to (cr, 5 * LINE_WIDTH, 3 * LINE_WIDTH); + cairo_rel_line_to (cr, 0., -3 * LINE_WIDTH); + cairo_rel_line_to (cr, -3 * LINE_WIDTH, 0.); +} + +static void +draw_caps_joins (cairo_t *cr) +{ + cairo_save (cr); + + cairo_translate (cr, PAD, PAD); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, float line_width) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_set_line_width (cr, line_width); + + draw_caps_joins (cr); + + /* and reflect to generate the opposite vertex ordering */ + cairo_translate (cr, 0, 2 * (PAD + SIZE) + PAD); + cairo_scale (cr, 1, -1); + + draw_caps_joins (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_10 (cairo_t *cr, int width, int height) +{ + return draw (cr, LINE_WIDTH); +} + +static cairo_test_status_t +draw_2 (cairo_t *cr, int width, int height) +{ + return draw (cr, 2.0); +} + +static cairo_test_status_t +draw_1 (cairo_t *cr, int width, int height) +{ + return draw (cr, 1.0); +} + +static cairo_test_status_t +draw_05 (cairo_t *cr, int width, int height) +{ + return draw (cr, 0.5); +} + +CAIRO_TEST (caps_joins, + "Test caps and joins", + "stroke", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + 2 * (PAD + SIZE) + PAD, + NULL, draw_10) + +CAIRO_TEST (caps_joins_2, + "Test caps and joins with default line width", + "stroke", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + 2 * (PAD + SIZE) + PAD, + NULL, draw_2) + +CAIRO_TEST (caps_joins_1, + "Test caps and joins with hairlines", + "stroke", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + 2 * (PAD + SIZE) + PAD, + NULL, draw_1) + +CAIRO_TEST (caps_joins_05, + "Test caps and joins with fine lines", + "stroke", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + 2 * (PAD + SIZE) + PAD, + NULL, draw_05) diff --git a/test/caps-sub-paths.c b/test/caps-sub-paths.c new file mode 100644 index 000000000..2310eb752 --- /dev/null +++ b/test/caps-sub-paths.c @@ -0,0 +1,65 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +/* Test case for bug #4205: + + https://bugs.freedesktop.org/show_bug.cgi?id=4205 +*/ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_set_line_width (cr, 4); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + + cairo_move_to (cr, 4, 4); + cairo_line_to (cr, 4, 16); + + cairo_move_to (cr, 10, 4); + cairo_line_to (cr, 10, 16); + + cairo_move_to (cr, 16, 4); + cairo_line_to (cr, 16, 16); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (caps_sub_paths, + "Test that sub-paths receive caps.", + "stroke", /* keywords */ + NULL, /* requirements */ + 20, 20, + NULL, draw) + diff --git a/test/caps-tails-curve.c b/test/caps-tails-curve.c new file mode 100644 index 000000000..fa6aded3d --- /dev/null +++ b/test/caps-tails-curve.c @@ -0,0 +1,127 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 30. +#define SIZE (2 * LINE_WIDTH) +#define PAD (2 * LINE_WIDTH) + +static void +make_path (cairo_t *cr, double theta) +{ + double line_width = cairo_get_line_width (cr) / 4; + + cairo_move_to (cr, 0, 0); + cairo_rel_curve_to (cr, + SIZE/3, -SIZE/4, + SIZE/3, -SIZE/4, + SIZE, 0); + + cairo_rel_line_to (cr, + cos (theta) * line_width, + sin (theta) * line_width); +} + +static void +draw_joins (cairo_t *cr, double theta) +{ + make_path (cr, theta); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr, theta); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr, theta); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); +} + +static void +draw_caps_joins (cairo_t *cr, double theta) +{ + cairo_translate (cr, PAD, 0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + draw_joins (cr, theta); + + cairo_translate (cr, PAD, 0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + draw_joins (cr, theta); + + cairo_translate (cr, PAD, 0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + draw_joins (cr, theta); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const double theta[] = { + -M_PI/2, -M_PI/4, 0, M_PI/8, M_PI/3, M_PI + }; + unsigned int t; + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_set_line_width (cr, LINE_WIDTH); + + for (t = 0; t < ARRAY_LENGTH(theta); t++) { + cairo_save (cr); + cairo_translate (cr, 0, t * (SIZE + PAD) + PAD); + draw_caps_joins (cr, theta[t]); + cairo_restore (cr); + + cairo_save (cr); + /* and reflect to generate the opposite vertex ordering */ + cairo_translate (cr, 0, height - t * (SIZE + PAD) - PAD); + cairo_scale (cr, 1, -1); + draw_caps_joins (cr, theta[t]); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (caps_tails_curve, + "Test caps and joins on short tail segments", + "stroke, cap, join", /* keywords */ + NULL, /* requirements */ + 9 * (PAD + SIZE) + 4*PAD, + 12 * (PAD + SIZE) + PAD, + NULL, draw) + diff --git a/test/caps.c b/test/caps.c new file mode 100644 index 000000000..87f008a7c --- /dev/null +++ b/test/caps.c @@ -0,0 +1,138 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (5 * LINE_WIDTH) +#define PAD (2 * LINE_WIDTH) + +static void +make_path (cairo_t *cr) +{ + int i; + + cairo_save (cr); + for (i = 0; i <= 3; i++) { + cairo_new_sub_path (cr); + cairo_move_to (cr, -SIZE / 2, 0.); + cairo_line_to (cr, SIZE / 2, 0.); + cairo_rotate (cr, M_PI / 4.); + } + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr) +{ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, PAD + SIZE / 2., PAD + SIZE / 2.); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + make_path (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0, SIZE + PAD); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + make_path (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0, SIZE + PAD); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + make_path (cr); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_10 (cairo_t *cr, int width, int height) +{ + cairo_set_line_width (cr, LINE_WIDTH); + return draw (cr); +} + +static cairo_test_status_t +draw_2 (cairo_t *cr, int width, int height) +{ + cairo_set_line_width (cr, 2); + return draw (cr); +} + +static cairo_test_status_t +draw_1 (cairo_t *cr, int width, int height) +{ + cairo_set_line_width (cr, 1); + return draw (cr); +} + +static cairo_test_status_t +draw_05 (cairo_t *cr, int width, int height) +{ + cairo_set_line_width (cr, 0.5); + return draw (cr); +} + +CAIRO_TEST (caps, + "Test caps", + "stroke, caps", /* keywords */ + NULL, /* requirements */ + PAD + SIZE + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw_10) + +CAIRO_TEST (caps_2, + "Test normal caps", + "stroke, caps", /* keywords */ + NULL, /* requirements */ + PAD + SIZE + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw_2) + +CAIRO_TEST (caps_1, + "Test hairline caps", + "stroke, caps", /* keywords */ + NULL, /* requirements */ + PAD + SIZE + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw_1) + +CAIRO_TEST (caps_05, + "Test fine caps", + "stroke, caps", /* keywords */ + NULL, /* requirements */ + PAD + SIZE + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw_05) + diff --git a/test/check-refs.sh b/test/check-refs.sh new file mode 100755 index 000000000..81ef81b35 --- /dev/null +++ b/test/check-refs.sh @@ -0,0 +1,63 @@ +#!/bin/bash + +cd $(dirname $0)/reference || exit + +pdiff=$1 +[ -n "$pdiff" ] || pdiff=../pdiff/perceptualdiff +if [ ! -e "${pdiff}" ]; then + echo "Error: requires pdiff executable" + exit 128 +fi + +for file in *.ref.png; do + test=$(echo $file | cut -d'.' -f1) + target=$(echo $file | cut -d'.' -f2) + format=$(echo $file | cut -d'.' -f3) + notes="" + ref="" + result="" + + if [ $target = 'base' ]; then + # Ignore the base images for this script's purposes + continue + elif [ $target = 'ref' ]; then + # This is actually the baseline reference image + continue + elif [ $format = 'ref' ]; then + # This is either a format-specific reference, or a target-specific/format-generic image + # In either case, compare it against the generic reference image + ref="$test.ref.png" + else + # Prefer the target-specific/format-generic reference image, if available + ref="$test.$target.ref.png" + if [ ! -e $ref ]; then + ref="$test.$format.ref.png" + fi + fi + + # Special cases + if [ $test = "create-from-png" ]; then + # The create-from-png test utilizes multiple reference images directly + continue + elif [ $test = "fallback-resolution" ]; then + # The fallback-resolution test generates a set of reference images; + # These won't be redundant with one another, but just ignore them all. + continue + fi + + if [ -e $ref ]; then + if cmp --silent "$ref" "$file" ; then + printf "redundant: %s and %s are byte-by-byte identical files\n" $file $ref + else + # Run perceptualdiff with minimum threshold + pdiff_output=$($pdiff $ref $file -threshold 1) + result=${pdiff_output%:*} + notes=$(echo "${pdiff_output#*: }" | tail -n 1) + if [ "$result" = "PASS" ] && [ "$notes" = "Images are binary identical" ]; then + printf "redundant: %s and %s are pixel equivalent images\n" $file $ref + notes="" + fi + fi + fi + +done diff --git a/test/checkerboard.c b/test/checkerboard.c new file mode 100644 index 000000000..aeb2efe14 --- /dev/null +++ b/test/checkerboard.c @@ -0,0 +1,48 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* Test the basic background used extensively in the test suite. */ + +#include "cairo-test.h" + +#define HEIGHT 32 +#define WIDTH 32 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_test_paint_checkered (cr); + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (checkerboard, + "Tests the checkerboard background", + "paint", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) + diff --git a/test/clear-source.c b/test/clear-source.c new file mode 100644 index 000000000..5410932fc --- /dev/null +++ b/test/clear-source.c @@ -0,0 +1,169 @@ +/* + * Copyright 2009 Benjamin Otte + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" + +typedef enum { + CLEAR, + CLEARED, + PAINTED +} surface_type_t; + +#define SIZE 10 +#define SPACE 5 + +static cairo_surface_t * +create_surface (cairo_t *target, cairo_content_t content, surface_type_t type) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_surface_create_similar (cairo_get_target (target), + content, + SIZE, SIZE); + + if (type == CLEAR) + return surface; + + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 0.75, 0, 0); + cairo_paint (cr); + + if (type == PAINTED) + goto DONE; + + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr); + +DONE: + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static void +paint (cairo_t *cr, cairo_surface_t *surface) +{ + cairo_set_source_surface (cr, surface, 0, 0); + cairo_paint (cr); +} + +static void +fill (cairo_t *cr, cairo_surface_t *surface) +{ + cairo_set_source_surface (cr, surface, 0, 0); + cairo_rectangle (cr, -SPACE, -SPACE, SIZE + 2 * SPACE, SIZE + 2 * SPACE); + cairo_fill (cr); +} + +static void +stroke (cairo_t *cr, cairo_surface_t *surface) +{ + cairo_set_source_surface (cr, surface, 0, 0); + cairo_set_line_width (cr, 2.0); + cairo_rectangle (cr, 1, 1, SIZE - 2, SIZE - 2); + cairo_stroke (cr); +} + +static void +mask (cairo_t *cr, cairo_surface_t *surface) +{ + cairo_set_source_rgb (cr, 0, 0, 0.75); + cairo_mask_surface (cr, surface, 0, 0); +} + +static void +mask_self (cairo_t *cr, cairo_surface_t *surface) +{ + cairo_set_source_surface (cr, surface, 0, 0); + cairo_mask_surface (cr, surface, 0, 0); +} + +static void +glyphs (cairo_t *cr, cairo_surface_t *surface) +{ + cairo_set_source_surface (cr, surface, 0, 0); + cairo_select_font_face (cr, + "@cairo:", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, 16); + cairo_translate (cr, 0, SIZE); + cairo_show_text (cr, "C"); +} + +typedef void (* operation_t) (cairo_t *cr, cairo_surface_t *surface); +static operation_t operations[] = { + paint, + fill, + stroke, + mask, + mask_self, + glyphs +}; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_content_t contents[] = { CAIRO_CONTENT_COLOR_ALPHA, CAIRO_CONTENT_COLOR, CAIRO_CONTENT_ALPHA }; + unsigned int content, type, ops; + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + cairo_translate (cr, SPACE, SPACE); + + for (type = 0; type <= PAINTED; type++) { + for (content = 0; content < ARRAY_LENGTH (contents); content++) { + cairo_surface_t *surface; + + surface = create_surface (cr, contents[content], type); + + cairo_save (cr); + for (ops = 0; ops < ARRAY_LENGTH (operations); ops++) { + cairo_save (cr); + operations[ops] (cr, surface); + cairo_restore (cr); + cairo_translate (cr, 0, SIZE + SPACE); + } + cairo_restore (cr); + cairo_translate (cr, SIZE + SPACE, 0); + + cairo_surface_destroy (surface); + } + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clear_source, + "Check painting with cleared surfaces works as expected", + NULL, /* keywords */ + NULL, /* requirements */ + (SIZE + SPACE) * 9 + SPACE, ARRAY_LENGTH (operations) * (SIZE + SPACE) + SPACE, + NULL, draw) diff --git a/test/clear.c b/test/clear.c new file mode 100644 index 000000000..696993d3f --- /dev/null +++ b/test/clear.c @@ -0,0 +1,86 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_text_extents_t extents; + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + + cairo_translate (cr, 2, 2); + cairo_save (cr); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_clip (cr); + cairo_rectangle (cr, 5, 5, 10, 10); + cairo_fill (cr); + cairo_restore (cr); + + cairo_translate (cr, 20, 0); + cairo_save (cr); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_clip (cr); + cairo_arc (cr, 10, 10, 8, 0, 2*M_PI); + cairo_fill (cr); + cairo_restore (cr); + + cairo_translate (cr, 0, 20); + cairo_save (cr); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_clip (cr); + cairo_text_extents (cr, "Cairo", &extents); + cairo_move_to (cr, + 10 - (extents.width/2. + extents.x_bearing), + 10 - (extents.height/2. + extents.y_bearing)); + cairo_text_path (cr, "Cairo"); + cairo_fill (cr); + cairo_restore (cr); + + cairo_translate (cr, -20, 0); + cairo_save (cr); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_clip (cr); + cairo_move_to (cr, 10, 2); + cairo_line_to (cr, 18, 18); + cairo_line_to (cr, 2, 18); + cairo_close_path (cr); + cairo_fill (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clear, + "Test masked clears", + "paint, clear", /* keywords */ + NULL, /* requirements */ + 44, 44, + NULL, draw) + diff --git a/test/clip-all.c b/test/clip-all.c new file mode 100644 index 000000000..dc216c9cb --- /dev/null +++ b/test/clip-all.c @@ -0,0 +1,75 @@ +/* + * Copyright © 2005 Novell, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Novell, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Novell, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Radek Doulík <rodo@novell.com> + */ + +#include "cairo-test.h" + +#define SIZE 10 +#define CLIP_SIZE 2 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_fill (cr); + + cairo_reset_clip (cr); + cairo_rectangle (cr, CLIP_SIZE, CLIP_SIZE, CLIP_SIZE, CLIP_SIZE); + cairo_clip (cr); + cairo_rectangle (cr, 3*CLIP_SIZE, 3*CLIP_SIZE, CLIP_SIZE, CLIP_SIZE); + cairo_clip (cr); + + cairo_translate (cr, .5, .5); + + cairo_reset_clip (cr); + cairo_rectangle (cr, CLIP_SIZE, CLIP_SIZE, CLIP_SIZE, CLIP_SIZE); + cairo_clip (cr); + cairo_rectangle (cr, 3*CLIP_SIZE, 3*CLIP_SIZE, CLIP_SIZE, CLIP_SIZE); + cairo_clip (cr); + + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_set_source_rgb (cr, 1, 1, 0); + cairo_fill (cr); + + /* https://bugs.freedesktop.org/show_bug.cgi?id=13084 */ + cairo_select_font_face (cr, + CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + cairo_move_to (cr, 0., SIZE); + cairo_show_text (cr, "cairo"); + + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_all, + "Test clipping with everything clipped out", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) + diff --git a/test/clip-complex-bug61592.c b/test/clip-complex-bug61592.c new file mode 100644 index 000000000..998b7aa1e --- /dev/null +++ b/test/clip-complex-bug61592.c @@ -0,0 +1,60 @@ +/* + * Copyright © 2013 Uli Schlachter + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE); + cairo_move_to(cr, 85, -465); + cairo_line_to(cr, 3, 4.1); + cairo_line_to(cr, -145, -25); + cairo_close_path(cr); + cairo_clip(cr); + + cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT); + cairo_move_to(cr, -139, -524); + cairo_line_to(cr, 78, 44); + cairo_line_to(cr, -229, -10); + cairo_close_path(cr); + cairo_clip(cr); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_complex_bug61492, + "Exercise a bug found in 1.12", + "clip", /* keywords */ + NULL, /* requirements */ + 8, 5, + NULL, draw) diff --git a/test/clip-complex-shape.c b/test/clip-complex-shape.c new file mode 100644 index 000000000..d7d530146 --- /dev/null +++ b/test/clip-complex-shape.c @@ -0,0 +1,114 @@ +/* + * Copyright 2011 SCore Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Taekyun Kim <podain77@gmail.com> + */ + +#include "cairo-test.h" + +static void +rounded_rectangle(cairo_t *cr, + double x, double y, + double width, double height, + double radius) +{ + cairo_move_to (cr, x, y + radius); + cairo_line_to (cr, x, y + height - radius); + cairo_curve_to (cr, x, y + height - radius/2.0, + x + radius/2.0, y + height, + x + radius, y + height); + cairo_line_to (cr, x + width - radius, y + height); + cairo_curve_to (cr, x + width - radius/2.0, y + height, + x + width, y + height - radius/2.0, + x + width, y + height - radius); + cairo_line_to (cr, x + width, y + radius); + cairo_curve_to (cr, x + width, y + radius/2.0, + x + width - radius/2.0, y, + x + width - radius, y); + cairo_line_to (cr, x + radius, y); + cairo_curve_to (cr, x + radius/2.0, y, x, y + radius/2.0, x, y + radius); + cairo_close_path(cr); +} + +static void +background (cairo_t *cr) +{ + cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); + cairo_paint(cr); +} + +static void +foreground (cairo_t *cr) +{ + cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 1.0); + cairo_set_operator(cr, CAIRO_OPERATOR_OVER); + cairo_rectangle(cr, 20, 20, 60, 60); + cairo_fill(cr); +} + +static cairo_test_status_t +clip_eo_mono (cairo_t *cr, int width, int height) +{ + + background (cr); + + cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE); + cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD); + rounded_rectangle(cr, 0, 0, 40, 100, 10); + rounded_rectangle(cr, 60, 0, 40, 100, 10); + cairo_clip(cr); + + foreground (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +clip_eo_aa (cairo_t *cr, int width, int height) +{ + background (cr); + + cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT); + cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD); + rounded_rectangle(cr, 0, 0, 40, 100, 10); + rounded_rectangle(cr, 60, 0, 40, 100, 10); + cairo_clip(cr); + + foreground (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_complex_shape_eo_mono, + "Test clipping against a complex shape", + "clip", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, clip_eo_mono) +CAIRO_TEST (clip_complex_shape_eo_aa, + "Test clipping against a complex shape", + "clip", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, clip_eo_aa) diff --git a/test/clip-contexts.c b/test/clip-contexts.c new file mode 100644 index 000000000..39d2004c0 --- /dev/null +++ b/test/clip-contexts.c @@ -0,0 +1,75 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* + * Jeff Muizelaar found a bug on Quartz with cairo-surface-clipper, which was + * the topmost clip path from two different contexts and finding them equally + * incorrectly concluding that the operation was a no-op. + */ + +#define SIZE 10 +#define CLIP_SIZE 2 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_t *cr2; + + /* opaque background */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + /* first create an empty, non-overlappiny clip */ + cr2 = cairo_create (cairo_get_target (cr)); + cairo_rectangle (cr2, 0, 0, SIZE/2-2, SIZE/2-2); + cairo_clip (cr2); + + cairo_rectangle (cr2, SIZE/2+2, SIZE/2+2, SIZE/2-2, SIZE/2-2); + cairo_clip (cr2); + + /* and apply the clip onto the surface, empty nothing should be painted */ + cairo_set_source_rgba (cr2, 1, 0, 0, .5); + cairo_paint (cr2); + + /* switch back to the original, and set only the last clip */ + cairo_rectangle (cr, SIZE/2+2, SIZE/2+2, SIZE/2-2, SIZE/2-2); + cairo_clip (cr); + + cairo_set_source_rgba (cr, 0, 0, 1, .5); + cairo_paint (cr); + + cairo_destroy (cr2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_contexts, + "Test clipping with 2 separate contexts", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/clip-device-offset.c b/test/clip-device-offset.c new file mode 100644 index 000000000..f725b8e93 --- /dev/null +++ b/test/clip-device-offset.c @@ -0,0 +1,79 @@ +/* + * Copyright © 2009 Benjamin Otte + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" + +#define WIDTH 50 +#define HEIGHT 50 + +static cairo_pattern_t * +create_green_source (void) +{ + cairo_surface_t *image; + cairo_pattern_t *pattern; + cairo_t *cr; + + image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, WIDTH, HEIGHT); + cr = cairo_create (image); + cairo_surface_destroy (image); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint (cr); + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy (cr); + + return pattern; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *source; + double old_x, old_y; + + cairo_surface_get_device_offset (cairo_get_group_target (cr), &old_x, &old_y); + cairo_surface_set_device_offset (cairo_get_group_target (cr), old_x+5, old_y+5); + + source = create_green_source (); + cairo_set_source (cr, source); + cairo_pattern_destroy (source); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + cairo_paint (cr); + + cairo_surface_set_device_offset (cairo_get_group_target (cr), old_x, old_y); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_device_offset, + "Test clipping on surfaces with device offsets", + "clip", /* keywords */ + NULL, /* requirements */ + WIDTH+10, HEIGHT+10, + NULL, draw) diff --git a/test/clip-disjoint-hatching.c b/test/clip-disjoint-hatching.c new file mode 100644 index 000000000..8626e80df --- /dev/null +++ b/test/clip-disjoint-hatching.c @@ -0,0 +1,104 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define STEP 5 +#define WIDTH 100 +#define HEIGHT 100 + +static void hatching (cairo_t *cr) +{ + int i; + + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + cairo_translate (cr, WIDTH/2, HEIGHT/2); + cairo_rotate (cr, M_PI/4); + cairo_translate (cr, -WIDTH/2, -HEIGHT/2); + + for (i = 0; i < WIDTH; i += STEP) { + cairo_rectangle (cr, i, -2, 1, HEIGHT+4); + cairo_rectangle (cr, -2, i, WIDTH+4, 1); + } +} + +static void background (cairo_t *cr) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); +} + +static void clip_to_grid (cairo_t *cr) +{ + int i, j; + + for (j = 0; j < HEIGHT; j += 2*STEP) { + for (i = 0; i < WIDTH; i += 2*STEP) + cairo_rectangle (cr, i, j, STEP, STEP); + + j += 2*STEP; + for (i = 0; i < WIDTH; i += 2*STEP) + cairo_rectangle (cr, i+STEP/2, j, STEP, STEP); + } + + cairo_clip (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + background (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + + cairo_save (cr); { + clip_to_grid (cr); + hatching (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill (cr); + } cairo_restore (cr); + + cairo_translate (cr, 0.25, HEIGHT+.25); + + cairo_save (cr); { + clip_to_grid (cr); + hatching (cr); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_fill (cr); + } cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_disjoint_hatching, + "Test drawing through through an array of clips", + "clip", /* keywords */ + "target=raster", /* requirements */ + WIDTH, 2*HEIGHT, + NULL, draw) diff --git a/test/clip-disjoint-quad.c b/test/clip-disjoint-quad.c new file mode 100644 index 000000000..fe20381d7 --- /dev/null +++ b/test/clip-disjoint-quad.c @@ -0,0 +1,83 @@ +/* + * Copyright © 2012 Red Hat, Inc. + * Copyright © 2012 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Soren Sandmann <sandmann@redhat.com> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 100 +#define HEIGHT 200 + +static void +draw_quad (cairo_t *cr, + double x1, double y1, + double x2, double y2, + double x3, double y3, + double x4, double y4) +{ + cairo_move_to (cr, x1, y1); + cairo_line_to (cr, x2, y2); + cairo_line_to (cr, x3, y3); + cairo_line_to (cr, x4, y4); + cairo_close_path (cr); + + cairo_set_source_rgb (cr, 0, 0.6, 0); + cairo_fill (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int position[5] = {0, HEIGHT/2-10, HEIGHT/2-5, HEIGHT/2, HEIGHT-10 }; + int i; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + for (i = 0; i < 5; i++) { + cairo_reset_clip (cr); + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_rectangle (cr, 0, 0, WIDTH/2, HEIGHT/2); + cairo_rectangle (cr, WIDTH/2, position[i], WIDTH/2, 10); + cairo_fill_preserve (cr); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1, 0, 1); + draw_quad (cr, 50, 50, 75, 75, 50, 150, 25, 75); + cairo_fill (cr); + + cairo_translate(cr, WIDTH, 0); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_disjoint_quad, + "Tests a simple fill through two disjoint clips.", + "clip, fill", /* keywords */ + NULL, /* requirements */ + 5*WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-disjoint.c b/test/clip-disjoint.c new file mode 100644 index 000000000..28bb963c2 --- /dev/null +++ b/test/clip-disjoint.c @@ -0,0 +1,90 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Soren Sandmann <sandmann@redhat.com> + */ + +#include "cairo-test.h" + +#define WIDTH 300 +#define HEIGHT 300 + +typedef struct { + double x, y; +} point_t; + +static void +paint_curve (cairo_t *cr) +{ + const point_t points[] = { + { 100, 320 }, { 110, -80 }, + { 180, 60 }, { 300, 170 }, + { 300, -40 } + }; + unsigned i; + + cairo_set_line_width (cr, 2); + cairo_move_to (cr, points[0].x, points[0].y); + + for (i = 1; i < ARRAY_LENGTH (points) - 2; i += 3) { + cairo_curve_to (cr, + points[i].x, points[i].y, + points[i + 1].x, points[i + 1].y, + points[i + 2].x, points[i + 2].y); + } + cairo_set_line_width (cr, 5); + cairo_stroke (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Fill window with light blue */ + cairo_set_source_rgba (cr, 0.8, 0.8, 1.9, 1.0); + cairo_paint (cr); + + /* Paint curve in green */ + cairo_set_source_rgba (cr, 0.6, 0.8, 0.6, 1.0); + paint_curve (cr); + + /* Make clip region */ + cairo_rectangle (cr, 228, 131, 50, 13); + cairo_rectangle (cr, 20, 99, 200, 75); + cairo_clip_preserve (cr); + + /* Fill clip region with red */ + cairo_set_source_rgba (cr, 1.0, 0.5, 0.5, 0.8); + cairo_fill (cr); + + /* Paint curve again, this time in blue */ + cairo_set_source_rgba (cr, 0, 0, 1.0, 1.0); + paint_curve (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_disjoint, + "Tests stroking through two disjoint clips.", + "clip, stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-double-free.c b/test/clip-double-free.c new file mode 100644 index 000000000..74b9a6e6d --- /dev/null +++ b/test/clip-double-free.c @@ -0,0 +1,87 @@ +/* + * Copyright © 2011 Uli Schlachter + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + */ + +/* + * This test wants to hit the following double free: + * + * ==10517== Invalid free() / delete / delete[] + * ==10517== at 0x4C268FE: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) + * ==10517== by 0x87FBE80: _cairo_clip_destroy (cairo-clip.c:136) + * ==10517== by 0x87FE520: _cairo_clip_intersect_boxes.part.1 (cairo-clip-private.h:92) + * ==10517== by 0x87FE79F: _cairo_clip_intersect_rectilinear_path (cairo-clip-boxes.c:266) + * ==10517== by 0x87FC29B: _cairo_clip_intersect_path.part.3 (cairo-clip.c:242) + * ==10517== by 0x8809C3A: _cairo_gstate_clip (cairo-gstate.c:1518) + * ==10517== by 0x8802E40: _cairo_default_context_clip (cairo-default-context.c:1048) + * ==10517== by 0x87FA2C6: cairo_clip (cairo.c:2380) + * ==10517== Address 0x18d44cb0 is 0 bytes inside a block of size 32 free'd + * ==10517== at 0x4C268FE: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) + * ==10517== by 0x87FE506: _cairo_clip_intersect_boxes.part.1 (cairo-clip-boxes.c:295) + * ==10517== by 0x87FE79F: _cairo_clip_intersect_rectilinear_path (cairo-clip-boxes.c:266) + * ==10517== by 0x87FC29B: _cairo_clip_intersect_path.part.3 (cairo-clip.c:242) + * ==10517== by 0x8809C3A: _cairo_gstate_clip (cairo-gstate.c:1518) + * ==10517== by 0x8802E40: _cairo_default_context_clip (cairo-default-context.c:1048) + * ==10517== by 0x87FA2C6: cairo_clip (cairo.c:2380) + * + * _cairo_clip_intersect_boxes() is called with clip->num_boxes != 0. It then + * calls _cairo_boxes_init_for_array (&clip_boxes, clip->boxes, clip->num_boxes) + * and free (clip->boxes), stealing the clip's boxes, but leaving a dangling + * pointer behind. + * Because this code already intersected the existing boxes and the new ones, we + * now have num_boxes == 0. This means that _cairo_clip_set_all_clipped() gets + * called and tries to free the clip's boxes again. + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + /* To hit this bug, we first need a clip with + * clip->boxes != clip->embedded_boxes. + */ + cairo_rectangle (cr, 0, 0, 2, 2); + cairo_rectangle (cr, 0, 0, 1, 1); + cairo_clip (cr); + + /* Then we have to intersect this with a rectilinear path which results in + * all clipped. This path must consist of at least two boxes or we will hit + * a different code path. + */ + cairo_rectangle (cr, 10, 10, 2, 2); + cairo_rectangle (cr, 10, 10, 1, 1); + cairo_clip (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_double_free, + "Test a double free bug in the clipping code", + "clip", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/clip-draw-unbounded.c b/test/clip-draw-unbounded.c new file mode 100644 index 000000000..6b9263beb --- /dev/null +++ b/test/clip-draw-unbounded.c @@ -0,0 +1,184 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2009 Chris Wilson + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 60 +#define HEIGHT 60 + +static void +stroke (cairo_t *cr) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + cairo_set_source_rgb (cr, 0, 0.7, 0); + cairo_arc (cr, 10, 10, 7.5, 0, 2 * M_PI); + cairo_move_to (cr, 0, 20); + cairo_line_to (cr, 20, 0); + cairo_stroke (cr); +} + +static void +fill (cairo_t *cr) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + cairo_set_source_rgb (cr, 0, 0.7, 0); + cairo_new_sub_path (cr); + cairo_arc (cr, 10, 10, 8.5, 0, 2 * M_PI); + cairo_new_sub_path (cr); + cairo_arc_negative (cr, 10, 10, 6.5, 2 * M_PI, 0); + + cairo_move_to (cr, -1, 19); + cairo_line_to (cr, 1, 21); + cairo_line_to (cr, 21, 1); + cairo_line_to (cr, 19, -1); + cairo_line_to (cr, -1, 19); + + cairo_fill (cr); +} + +static void +clip_simple (cairo_t *cr) +{ + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_clip (cr); +} + +static void +clip_unaligned (cairo_t *cr) +{ + cairo_rectangle (cr, 0.5, 0.5, 20, 20); + cairo_clip (cr); +} + +static void +clip_aligned (cairo_t *cr) +{ + cairo_fill_rule_t orig_rule; + + orig_rule = cairo_get_fill_rule (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_rectangle (cr, 3, 3, 10, 10); + cairo_rectangle (cr, 7, 7, 10, 10); + cairo_clip (cr); + cairo_set_fill_rule (cr, orig_rule); +} + +static void +clip_mask (cairo_t *cr) +{ + cairo_arc (cr, 10, 10, 10, 0, 2 * M_PI); + cairo_new_sub_path (cr); + cairo_arc_negative (cr, 10, 10, 5, 2 * M_PI, 0); + cairo_new_sub_path (cr); + cairo_arc (cr, 10, 10, 2, 0, 2 * M_PI); + cairo_clip (cr); +} + +static void (* const clip_funcs[])(cairo_t *cr) = { + clip_simple, + clip_unaligned, + clip_aligned, + clip_mask +}; + +static double translations[][2] = { + { 10, 10 }, + { WIDTH, 0 }, + { -WIDTH, HEIGHT }, + { WIDTH, 0 } +}; + +static cairo_test_status_t +draw (cairo_t *cr, void (*shapes)(cairo_t *)) +{ + unsigned int i; + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + for (i = 0; i < ARRAY_LENGTH (clip_funcs); i++) { + cairo_translate (cr, translations[i][0], translations[i][1]); + + cairo_save (cr); + cairo_scale (cr, 2, 2); + clip_funcs[i] (cr); + shapes (cr); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_stroke (cairo_t *cr, int width, int height) +{ + return draw (cr, stroke); +} + +static cairo_test_status_t +draw_fill_nz (cairo_t *cr, int width, int height) +{ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); + return draw (cr, fill); +} + +static cairo_test_status_t +draw_fill_eo (cairo_t *cr, int width, int height) +{ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + return draw (cr, fill); +} + +CAIRO_TEST (clip_stroke_unbounded, + "Tests unbounded stroke through complex clips.", + "clip, stroke, unbounded", /* keywords */ + NULL, /* requirements */ + 2 * WIDTH, 2 * HEIGHT, + NULL, draw_stroke) + +CAIRO_TEST (clip_fill_nz_unbounded, + "Tests unbounded fill through complex clips (with winding fill rule).", + "clip, fill, unbounded", /* keywords */ + NULL, /* requirements */ + 2 * WIDTH, 2 * HEIGHT, + NULL, draw_fill_nz) + +CAIRO_TEST (clip_fill_eo_unbounded, + "Tests unbounded fill through complex clips (with even-odd fill rule).", + "clip, fill, unbounded", /* keywords */ + NULL, /* requirements */ + 2 * WIDTH, 2 * HEIGHT, + NULL, draw_fill_eo) diff --git a/test/clip-empty-group.c b/test/clip-empty-group.c new file mode 100644 index 000000000..3829c8858 --- /dev/null +++ b/test/clip-empty-group.c @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* Test the handling of cairo_push_group() with everything clipped. */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_paint (cr); /* opaque background */ + + cairo_rectangle (cr, 20, 20, 0, 0); + cairo_clip (cr); + + cairo_push_group (cr); /* => 0x0 group */ + cairo_reset_clip (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + cairo_rectangle (cr, 0, 0, width, height); + cairo_set_source_rgba (cr, 0, 1, 0, .5); + cairo_fill (cr); + + cairo_move_to (cr, 0, 20); + cairo_line_to (cr, width, 20); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_stroke (cr); + + cairo_pop_group_to_source (cr); + cairo_reset_clip (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_empty_group, + "Test handling of groups with everything clipped", + "clip, group", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) diff --git a/test/clip-empty-save.c b/test/clip-empty-save.c new file mode 100644 index 000000000..35de3cb94 --- /dev/null +++ b/test/clip-empty-save.c @@ -0,0 +1,68 @@ +/* + * Copyright © 2007 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_reset_clip (cr); + cairo_clip (cr); + + cairo_save (cr); + + cairo_translate (cr, .5, .5); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + + /* https://bugs.freedesktop.org/show_bug.cgi?id=13084 */ + cairo_select_font_face (cr, + CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + cairo_move_to (cr, 0., SIZE); + cairo_show_text (cr, "cairo"); + + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_empty_save, + "Test clipping with an empty clip path", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/clip-empty.c b/test/clip-empty.c new file mode 100644 index 000000000..858b69a9e --- /dev/null +++ b/test/clip-empty.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2007 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_reset_clip (cr); + cairo_clip (cr); + + cairo_translate (cr, .5, .5); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + + /* https://bugs.freedesktop.org/show_bug.cgi?id=13084 */ + cairo_select_font_face (cr, + CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + cairo_move_to (cr, 0., SIZE); + cairo_show_text (cr, "cairo"); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_empty, + "Test clipping with an empty clip path", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/clip-fill-no-op.c b/test/clip-fill-no-op.c new file mode 100644 index 000000000..b686b6e0e --- /dev/null +++ b/test/clip-fill-no-op.c @@ -0,0 +1,67 @@ +/* + * Copyright 2009 Benjamin Otte + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" + +#define WIDTH 50 +#define HEIGHT 50 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Neutral gray background */ + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + + /* remove this clip operation and everything works */ + cairo_rectangle (cr, 10, 10, 30, 30); + cairo_clip (cr); + + /* remove this no-op and everything works */ + cairo_fill (cr); + + /* make the y coordinates integers and everything works */ + cairo_move_to (cr, 20, 20.101562); + cairo_line_to (cr, 30, 20.101562); + + /* This clip operation should fail to work. But with cairo 1.9, if all the + * 3 cases above happen, the clip will not work and the paint will happen. + */ + cairo_save (cr); { + cairo_set_source_rgba (cr, 1, 0.5, 0.5, 1); + cairo_clip_preserve (cr); + cairo_paint (cr); + } cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_fill_no_op, + "Exercises a bug found by Benjamin Otte whereby a no-op clip is nullified by a stroke", + "clip, fill", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-fill-rule-pixel-aligned.c b/test/clip-fill-rule-pixel-aligned.c new file mode 100644 index 000000000..210afcb83 --- /dev/null +++ b/test/clip-fill-rule-pixel-aligned.c @@ -0,0 +1,90 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define PAD 1 +#define SIZE 5 + +static void +pixel_aligned_path (cairo_t *cr) +{ + cairo_save (cr); + { + cairo_scale (cr, SIZE, SIZE); + cairo_move_to (cr, 1, 0); + cairo_rel_line_to (cr, 1, 0); + cairo_rel_line_to (cr, 0, 3); + cairo_rel_line_to (cr, 1, 0); + cairo_rel_line_to (cr, 0, -1); + cairo_rel_line_to (cr, -3, 0); + cairo_rel_line_to (cr, 0, -1); + cairo_rel_line_to (cr, 4, 0); + cairo_rel_line_to (cr, 0, 3); + cairo_rel_line_to (cr, -3, 0); + cairo_rel_line_to (cr, 0, -4); + cairo_close_path (cr); + } + cairo_restore (cr); +} + +/* Use clipping to draw the same path twice, once with each fill rule */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + + cairo_translate (cr, PAD, PAD); + + cairo_save (cr); + { + pixel_aligned_path (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_clip (cr); + cairo_paint (cr); + } + cairo_restore (cr); + + cairo_translate (cr, SIZE*4 + PAD, 0); + + cairo_save (cr); + { + pixel_aligned_path (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); + cairo_clip (cr); + cairo_paint (cr); + } + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_fill_rule_pixel_aligned, + "Tests interaction of clipping and cairo_set_fill_rule with a pixel-aligned path", + "clip", /* keywords */ + NULL, /* requirements */ + PAD + (SIZE*4) + PAD + (SIZE*4) + PAD, + PAD + (SIZE*4) + PAD, + NULL, draw) diff --git a/test/clip-fill-rule.c b/test/clip-fill-rule.c new file mode 100644 index 000000000..31c3ab71d --- /dev/null +++ b/test/clip-fill-rule.c @@ -0,0 +1,87 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define STAR_SIZE 20 + +static void +star_path (cairo_t *cr) +{ + cairo_move_to (cr, 10, 0); + cairo_rel_line_to (cr, 6, 20); + cairo_rel_line_to (cr, -16, -12); + cairo_rel_line_to (cr, 20, 0); + cairo_rel_line_to (cr, -16, 12); +} + +/* Use clipping to draw the same path twice, once with each fill rule */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 0, 0); + + cairo_translate (cr, 1, 1); + cairo_save (cr); + { + star_path (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); + cairo_clip (cr); + cairo_paint (cr); + } + cairo_restore (cr); + + cairo_translate (cr, STAR_SIZE + 1, 0); + cairo_save (cr); + { + star_path (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_clip (cr); + cairo_paint (cr); + } + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +a1_draw (cairo_t *cr, int width, int height) +{ + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + return draw (cr, width, height); +} + +CAIRO_TEST (clip_fill_rule, + "Tests interaction of clipping with cairo_set_fill_rule", + "clip", /* keywords */ + NULL, /* requirements */ + STAR_SIZE * 2 + 2, STAR_SIZE + 2, + NULL, draw) +CAIRO_TEST (a1_clip_fill_rule, + "Tests interaction of clipping with cairo_set_fill_rule", + "clip", /* keywords */ + "target=raster", /* requirements */ + STAR_SIZE * 2 + 2, STAR_SIZE + 2, + NULL, a1_draw) diff --git a/test/clip-fill.c b/test/clip-fill.c new file mode 100644 index 000000000..331af7963 --- /dev/null +++ b/test/clip-fill.c @@ -0,0 +1,78 @@ +/* + * Copyright 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 20 +#define HEIGHT 20 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* aligned-clip */ + cairo_save (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_rectangle (cr, 3, 3, 10, 10); + cairo_rectangle (cr, 7, 7, 10, 10); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 0.7, 0, 0); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0.7, 0); + cairo_arc (cr, 10, 10, 8, 0, 2 * M_PI); + cairo_fill (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + /* force a clip-mask */ + cairo_save (cr); + cairo_arc (cr, 10, 10, 10, 0, 2 * M_PI); + cairo_new_sub_path (cr); + cairo_arc_negative (cr, 10, 10, 5, 2 * M_PI, 0); + cairo_new_sub_path (cr); + cairo_arc (cr, 10, 10, 2, 0, 2 * M_PI); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 0, 0, 0.7); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0.7, 0); + cairo_arc (cr, 10, 10, 7.5, 0, 2 * M_PI); + cairo_fill (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_fill, + "Tests filling through complex clips.", + "clip, fill", /* keywords */ + NULL, /* requirements */ + 2 * WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-group-shapes.c b/test/clip-group-shapes.c new file mode 100644 index 000000000..88bb9b3dd --- /dev/null +++ b/test/clip-group-shapes.c @@ -0,0 +1,188 @@ +/* + * Copyright (c) 2010 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ +#include "cairo-test.h" + +/* Tests specific clipping fast paths and their interaction with + * groups: It shouldn't matter if the clip is set before or after + * pushing a group. + * + * There's some overlap with the following tests, but they test for + * different things: + * + * group-clip.c (tests preserving paths), clipped-group.c (tests + * clipping the same thing different ways), clip-push-group (tests + * for a specific bug). + */ + +#define GENERATE_REF 0 + +/* For determining whether we establish the clip path before or after + * pushing a group. */ +enum { + CLIP_OUTSIDE_GROUP, + CLIP_INSIDE_GROUP +}; + +typedef void (*clipper_t)(cairo_t *cr, int w, int h); + +static cairo_test_status_t +clip_and_paint (cairo_t *cr, + int w, int h, + clipper_t do_clip, + int clip_where) +{ + cairo_save (cr); { + if (GENERATE_REF) { + do_clip (cr, w, h); + cairo_paint (cr); + } else { + if (clip_where == CLIP_OUTSIDE_GROUP) + do_clip (cr, w, h); + cairo_push_group (cr); { + if (clip_where == CLIP_INSIDE_GROUP) + do_clip (cr, w, h); + cairo_paint (cr); + } + cairo_pop_group_to_source (cr); + if (clip_where == CLIP_OUTSIDE_GROUP) + cairo_reset_clip (cr); + cairo_paint (cr); + } + } + cairo_restore (cr); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +run_clip_test (cairo_t *cr, int w, int h, clipper_t do_clip) +{ + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 1,0,0); + + /* Left. */ + clip_and_paint (cr, w/2, h, do_clip, CLIP_OUTSIDE_GROUP); + + /* Right */ + cairo_translate(cr, w/2, 0); + clip_and_paint (cr, w/2, h, do_clip, CLIP_INSIDE_GROUP); + + return CAIRO_TEST_SUCCESS; +} + +static void +clip_aligned_rectangles (cairo_t *cr, int w, int h) +{ + int x1 = 0.2 * w; + int y1 = 0.2 * h; + int x2 = 0.8 * w; + int y2 = 0.8 * h; + + cairo_rectangle (cr, x1, y1, w, h); + cairo_clip (cr); + + cairo_rectangle (cr, x2, y2, -w, -h); + cairo_clip (cr); +} + +static void +clip_unaligned_rectangles (cairo_t *cr, int w, int h) +{ + /* This clip stresses the antialiased edges produced by an + * unaligned rectangular clip. The edges should be produced by + * compositing red on white with alpha = 0.5 on the sides, and with + * alpha = 0.25 in the corners. */ + int x1 = 0.2 * w; + int y1 = 0.2 * h; + int x2 = 0.8 * w; + int y2 = 0.8 * h; + + cairo_rectangle (cr, x1+0.5, y1+0.5, w, h); + cairo_clip (cr); + + cairo_rectangle (cr, x2+0.5, y2+0.5, -w, -h); + w = x2 - x1; + h = y2 - y1; + cairo_rectangle (cr, x2, y1+1, -w+1, h-1); + cairo_clip (cr); +} + +static void +clip_circles (cairo_t *cr, int w, int h) +{ + int x1 = 0.5 * w; + int y1 = 0.5 * h; + int x2 = 0.75 * w; + int y2 = 0.75 * h; + int r = 0.4*MIN(w,h); + + cairo_arc (cr, x1, y1, r, 0, 6.28); + cairo_close_path (cr); + cairo_clip (cr); + + cairo_arc (cr, x2, y2, r, 0, 6.28); + cairo_close_path (cr); + cairo_clip (cr); +} + +static cairo_test_status_t +draw_aligned_rectangles (cairo_t *cr, int width, int height) +{ + return run_clip_test (cr, width, height, clip_aligned_rectangles); +} + +static cairo_test_status_t +draw_unaligned_rectangles (cairo_t *cr, int width, int height) +{ + return run_clip_test (cr, width, height, clip_unaligned_rectangles); +} + +static cairo_test_status_t +draw_circles (cairo_t *cr, int width, int height) +{ + return run_clip_test (cr, width, height, clip_circles); +} + +CAIRO_TEST (clip_group_shapes_aligned_rectangles, + "Test clip and group interaction with aligned rectangle clips", + "clip", /* keywords */ + NULL, /* requirements */ + 200, 100, + NULL, draw_aligned_rectangles) + +CAIRO_TEST (clip_group_shapes_unaligned_rectangles, + "Test clip and group interaction with unaligned rectangle clips", + "clip", /* keywords */ + "target=raster", /* requirements */ + 200, 100, + NULL, draw_unaligned_rectangles) + +CAIRO_TEST (clip_group_shapes_circles, + "Test clip and group interaction with circular clips", + "clip", /* keywords */ + NULL, /* requirements */ + 200, 100, + NULL, draw_circles) diff --git a/test/clip-image.c b/test/clip-image.c new file mode 100644 index 000000000..68ed142d6 --- /dev/null +++ b/test/clip-image.c @@ -0,0 +1,95 @@ +/* + * Copyright 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 20 +#define HEIGHT 20 + +static const char *png_filename = "romedalen.png"; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + image = cairo_test_create_surface_from_png (ctx, png_filename); + cairo_set_source_surface (cr, image, 0, 0); + cairo_surface_destroy (image); + + /* simple clip */ + cairo_save (cr); + cairo_rectangle (cr, 2, 2, 16, 16); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + /* unaligned clip */ + cairo_save (cr); + cairo_rectangle (cr, 2.5, 2.5, 15, 15); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, -WIDTH, HEIGHT); + + /* aligned-clip */ + cairo_save (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_rectangle (cr, 3, 3, 10, 10); + cairo_rectangle (cr, 7, 7, 10, 10); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + /* force a clip-mask */ + cairo_save (cr); + cairo_arc (cr, 10, 10, 10, 0, 2 * M_PI); + cairo_new_sub_path (cr); + cairo_arc_negative (cr, 10, 10, 5, 2 * M_PI, 0); + cairo_new_sub_path (cr); + cairo_arc (cr, 10, 10, 2, 0, 2 * M_PI); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_image, + "Tests painting an image through complex clips.", + "clip, paint", /* keywords */ + NULL, /* requirements */ + 2 * WIDTH, 2 * HEIGHT, + NULL, draw) diff --git a/test/clip-intersect.c b/test/clip-intersect.c new file mode 100644 index 000000000..295fbc93c --- /dev/null +++ b/test/clip-intersect.c @@ -0,0 +1,94 @@ +/* + * Copyright 2009 Chris Wilson + * Copyright 2011 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 20 +#define HEIGHT 20 + +static void clip_mask (cairo_t *cr) +{ + cairo_move_to (cr, 10, 0); + cairo_line_to (cr, 0, 10); + cairo_line_to (cr, 10, 20); + cairo_line_to (cr, 20, 10); + cairo_clip (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + clip_mask (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + + cairo_rectangle (cr, 0, 0, 4, 4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_rectangle (cr, 20, 0, -4, 4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_rectangle (cr, 20, 20, -4, -4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_rectangle (cr, 0, 20, 4, -4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + + cairo_rectangle (cr, 8, 8, 4, 4); + cairo_clip (cr); + clip_mask (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_intersect, + "Tests intersection of a simple clip with a clip-mask", + "clip, paint", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-mixed-antialias.c b/test/clip-mixed-antialias.c new file mode 100644 index 000000000..23a55ff63 --- /dev/null +++ b/test/clip-mixed-antialias.c @@ -0,0 +1,128 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 200 +#define HEIGHT 200 + +/* This is an example from the wild, as silly as it is +n 52 0 429 709 rectangle +clip+ +//ANTIALIAS_NONE set-antialias +n 8 0 m 952 0 l 956.417969 0 960 3.582031 960 8 c 960 1807 l 960 1811.417969 956.417969 1815 952 1815 c 8 1815 l 3.582031 1815 0 1811.417969 0 1807 c 0 8 l 0 3.582031 3.582031 0 8 0 c h +clip+ +//EVEN_ODD set-fill-rule +n 0 0 m 480 0 l 480 708 l 0 708 l h 8 1 m 952 1 l 955.867188 1 959 4.132812 959 8 c 959 1807 l 959 1810.867188 955.867188 1814 952 1814 c 8 1814 l 4.132812 1814 1 1810.867188 1 1807 c 1 8 l 1 4.132812 4.132812 1 8 1 c h +clip+ +//WINDING set-fill-rule +//ANTIALIAS_DEFAULT set-antialias +n 960 0 m 52.5 907.5 l 52.5 1815 l 960 1815 l h +clip+ +//ANTIALIAS_NONE set-antialias +n 960 0 m 52.5 0 l 52.5 907.5 l 960 1815 l h +clip+ +*/ + +static void background (cairo_t *cr) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); +} + +static void clip_0 (cairo_t *cr) +{ + cairo_rectangle (cr, 5, 5, 190, 190); + cairo_clip (cr); +} + +static void clip_1 (cairo_t *cr) +{ + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + cairo_arc (cr, 100, 100, 125, 0, 2*M_PI); + cairo_clip (cr); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_DEFAULT); +} + +static void +rounded_rectangle (cairo_t *cr, int x, int y, int w, int h, int r) +{ + cairo_new_sub_path (cr); + cairo_arc (cr, x + r, y + r, r, M_PI, 3 * M_PI / 2); + cairo_arc (cr, x + w - r, y + r, r, 3 *M_PI / 2, 2 * M_PI); + cairo_arc (cr, x + w - r, y + h - r, r, 0, M_PI / 2); + cairo_arc (cr, x + r, y + h - r, r, M_PI / 2, M_PI); + cairo_close_path (cr); +} + +static void clip_2 (cairo_t *cr) +{ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + rounded_rectangle (cr, 50, 50, 100, 100, 15); + rounded_rectangle (cr, 60, 60, 80, 80, 5); + cairo_clip (cr); + + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); +} + +static void clip_3 (cairo_t *cr) +{ + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + cairo_rectangle (cr, 40.25, 60.25, 120, 80); + cairo_rectangle (cr, 60.25, 40.25, 80, 120); + cairo_clip (cr); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_DEFAULT); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + background (cr); + + clip_0 (cr); + clip_1 (cr); + clip_2 (cr); + clip_3 (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_mixed_antialias, + "Test drawing through through an mixture of clips", + "clip", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-nesting.c b/test/clip-nesting.c new file mode 100644 index 000000000..a9227ec77 --- /dev/null +++ b/test/clip-nesting.c @@ -0,0 +1,109 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Owen Taylor <otaylor@redhat.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 100 +#define BORDER 10 +#define LINE_WIDTH 20 + +static void +_propagate_status (cairo_t *dst, cairo_t *src) +{ + cairo_path_t path; + + path.status = cairo_status (src); + if (path.status) { + path.num_data = 0; + path.data = NULL; + cairo_append_path (dst, &path); + } +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *target_surface; + cairo_t *cr2, *cr3; + + target_surface = cairo_get_group_target (cr); + + cr2 = cairo_create (target_surface); + + /* Draw a diagonal line and clip to it */ + + cairo_move_to (cr2, BORDER, BORDER); + cairo_line_to (cr2, BORDER + LINE_WIDTH, BORDER); + cairo_line_to (cr2, SIZE - BORDER, SIZE - BORDER); + cairo_line_to (cr2, SIZE - BORDER - LINE_WIDTH, SIZE - BORDER); + + cairo_clip (cr2); + cairo_set_source_rgb (cr2, 0, 0, 1); /* Blue */ + cairo_paint (cr2); + + /* Clipping affects this cairo_t */ + + cairo_set_source_rgb (cr2, 1, 1, 1); /* White */ + cairo_rectangle (cr2, + SIZE / 2 - LINE_WIDTH / 2, BORDER, + LINE_WIDTH, SIZE - 2 * BORDER); + cairo_fill (cr2); + + /* But doesn't affect another cairo_t that we create temporarily for + * the same surface + */ + cr3 = cairo_create (target_surface); + cairo_set_source_rgb (cr3, 1, 1, 1); /* White */ + cairo_rectangle (cr3, + SIZE - BORDER - LINE_WIDTH, BORDER, + LINE_WIDTH, SIZE - 2 * BORDER); + cairo_fill (cr3); + + _propagate_status (cr, cr3); + cairo_destroy (cr3); + + _propagate_status (cr, cr2); + cairo_destroy (cr2); + + /* And doesn't affect anything after this cairo_t is destroyed */ + + cairo_set_source_rgb (cr, 1, 1, 1); /* White */ + cairo_rectangle (cr, + BORDER, BORDER, + LINE_WIDTH, SIZE - 2 * BORDER); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; + +} + +CAIRO_TEST (clip_nesting, + "Test clipping with multiple contexts for the same surface", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/clip-operator.c b/test/clip-operator.c new file mode 100644 index 000000000..ac0a5e966 --- /dev/null +++ b/test/clip-operator.c @@ -0,0 +1,188 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define WIDTH 16 +#define HEIGHT 16 +#define PAD 2 + +static void +draw_mask (cairo_t *cr, int x, int y) +{ + cairo_surface_t *mask_surface; + cairo_t *cr2; + + double width = (int)(0.9 * WIDTH); + double height = (int)(0.9 * HEIGHT); + x += 0.05 * WIDTH; + y += 0.05 * HEIGHT; + + mask_surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask_surface); + cairo_surface_destroy (mask_surface); + + cairo_save (cr2); + cairo_set_source_rgba (cr2, 0, 0, 0, 0); /* transparent */ + cairo_set_operator (cr2, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr2); + cairo_restore (cr2); + + cairo_set_source_rgb (cr2, 1, 1, 1); /* white */ + + cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.45 * height, 0, 2 * M_PI); + cairo_fill (cr2); + + cairo_mask_surface (cr, cairo_get_target (cr2), x, y); + cairo_destroy (cr2); +} + +static void +draw_glyphs (cairo_t *cr, int x, int y) +{ + cairo_text_extents_t extents; + + cairo_set_font_size (cr, 0.8 * HEIGHT); + + cairo_text_extents (cr, "FG", &extents); + cairo_move_to (cr, + x + floor ((WIDTH - extents.width) / 2 + 0.5) - extents.x_bearing, + y + floor ((HEIGHT - extents.height) / 2 + 0.5) - extents.y_bearing); + cairo_show_text (cr, "FG"); +} + +static void +draw_polygon (cairo_t *cr, int x, int y) +{ + double width = (int)(0.9 * WIDTH); + double height = (int)(0.9 * HEIGHT); + x += 0.05 * WIDTH; + y += 0.05 * HEIGHT; + + cairo_new_path (cr); + cairo_move_to (cr, x, y); + cairo_line_to (cr, x, y + height); + cairo_line_to (cr, x + width / 2, y + 3 * height / 4); + cairo_line_to (cr, x + width, y + height); + cairo_line_to (cr, x + width, y); + cairo_line_to (cr, x + width / 2, y + height / 4); + cairo_close_path (cr); + cairo_fill (cr); +} + +static void +draw_rects (cairo_t *cr, int x, int y) +{ + double block_width = (int)(0.33 * WIDTH + 0.5); + double block_height = (int)(0.33 * HEIGHT + 0.5); + int i, j; + + for (i = 0; i < 3; i++) + for (j = 0; j < 3; j++) + if ((i + j) % 2 == 0) + cairo_rectangle (cr, + x + block_width * i, y + block_height * j, + block_width, block_height); + + cairo_fill (cr); +} + +static void (* const draw_funcs[])(cairo_t *cr, int x, int y) = { + draw_mask, + draw_glyphs, + draw_polygon, + draw_rects +}; + +#define N_OPERATORS (1 + CAIRO_OPERATOR_SATURATE - CAIRO_OPERATOR_CLEAR) + +#define IMAGE_WIDTH (N_OPERATORS * (WIDTH + PAD) + PAD) +#define IMAGE_HEIGHT (ARRAY_LENGTH (draw_funcs) * (HEIGHT + PAD) + PAD) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + size_t j, x, y; + cairo_operator_t op; + cairo_pattern_t *pattern; + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, 0.9 * HEIGHT); + + for (j = 0; j < ARRAY_LENGTH (draw_funcs); j++) { + for (op = CAIRO_OPERATOR_CLEAR; op < N_OPERATORS; op++) { + x = op * (WIDTH + PAD) + PAD; + y = j * (HEIGHT + PAD) + PAD; + + cairo_save (cr); + + pattern = cairo_pattern_create_linear (x + WIDTH, y, + x, y + HEIGHT); + cairo_pattern_add_color_stop_rgba (pattern, 0.2, + 0.0, 0.0, 1.0, 1.0); /* Solid blue */ + cairo_pattern_add_color_stop_rgba (pattern, 0.8, + 0.0, 0.0, 1.0, 0.0); /* Transparent blue */ + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + cairo_rectangle (cr, x, y, WIDTH, HEIGHT); + cairo_fill (cr); + + cairo_set_operator (cr, op); + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + + cairo_move_to (cr, x, y); + cairo_line_to (cr, x + WIDTH, y); + cairo_line_to (cr, x, y + HEIGHT); + cairo_clip (cr); + + draw_funcs[j] (cr, x, y); + if (cairo_status (cr)) + cairo_test_log (ctx, "%d %d HERE!\n", op, (int)j); + + cairo_restore (cr); + } + } + + if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) + cairo_test_log (ctx, "%d %d .HERE!\n", op, (int)j); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_operator, + "Surface clipping with different operators", + "clip", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) + diff --git a/test/clip-polygons.c b/test/clip-polygons.c new file mode 100644 index 000000000..83eb4df3a --- /dev/null +++ b/test/clip-polygons.c @@ -0,0 +1,112 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define STEP 5 +#define WIDTH 100 +#define HEIGHT 100 + +static void diamond (cairo_t *cr) +{ + cairo_move_to (cr, WIDTH/2, 0); + cairo_line_to (cr, WIDTH, HEIGHT/2); + cairo_line_to (cr, WIDTH/2, HEIGHT); + cairo_line_to (cr, 0, HEIGHT/2); + cairo_close_path (cr); +} + +static void background (cairo_t *cr) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgb (cr, 0,0,0); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + background (cr); + + /* completely overlapping diamonds */ + cairo_save (cr); + diamond (cr); + cairo_clip (cr); + diamond (cr); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + /* partial overlap */ + cairo_save (cr); + cairo_translate (cr, -WIDTH/4, 0); + diamond (cr); + cairo_clip (cr); + cairo_translate (cr, WIDTH/2, 0); + diamond (cr); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + /* no overlap, but the bounding boxes must */ + cairo_save (cr); + cairo_translate (cr, -WIDTH/2 + 2, -2); + diamond (cr); + cairo_clip (cr); + cairo_translate (cr, WIDTH - 4, 4); + diamond (cr); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + /* completely disjoint */ + cairo_save (cr); + cairo_translate (cr, -WIDTH/2 - 1, 0); + diamond (cr); + cairo_clip (cr); + cairo_translate (cr, WIDTH + 2, 0); + diamond (cr); + cairo_clip (cr); + cairo_paint (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_polygons, + "Test drawing through through an intersection of polygons", + "clip", /* keywords */ + "target=raster", /* requirements */ + 4*WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-push-group.c b/test/clip-push-group.c new file mode 100644 index 000000000..4effb0aba --- /dev/null +++ b/test/clip-push-group.c @@ -0,0 +1,67 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* A test for the crash described here: + * + * http://lists.freedesktop.org/archives/cairo/2006-August/007698.html + * + * The triggering condition for this bug should be setting a + * surface-based clip and then calling cairo_push_group. + */ + +#include "cairo-test.h" + +#define SIZE 10 +#define PAD 2 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* An overly complex way of drawing a blue circle onto a red + * background, to trigger the bug. */ + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + cairo_paint (cr); + + cairo_arc (cr, + SIZE / 2, SIZE / 2, + SIZE / 2 - PAD, + 0, 2 * M_PI); + cairo_clip (cr); + + cairo_push_group (cr); + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_paint (cr); + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_push_group, + "Test that push_group doesn't crash after setting a surface-based clip", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/clip-rectilinear.c b/test/clip-rectilinear.c new file mode 100644 index 000000000..98db4a2c7 --- /dev/null +++ b/test/clip-rectilinear.c @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 120 + +static void L(cairo_t *cr, int w, int h) +{ + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 0, h); + cairo_line_to (cr, w, h); + cairo_line_to (cr, w, h/2); + cairo_line_to (cr, w/2, h/2); + cairo_line_to (cr, w/2, 0); + cairo_close_path (cr); +} + +static void LL(cairo_t *cr, int w, int h) +{ + cairo_save (cr); + + /* aligned */ + cairo_rectangle (cr, 0, 0, w, h); + cairo_clip (cr); + L (cr, w, h); + cairo_clip (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + /* unaligned */ + cairo_translate (cr, w+.25, .25); + cairo_rectangle (cr, 0, 0, w, h); + cairo_clip (cr); + L (cr, w, h); + cairo_clip (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int w = SIZE/2, h = SIZE/2; + + cairo_paint (cr); /* opaque background */ + + cairo_set_source_rgb (cr, 1, 0, 0); + LL (cr, w, h); + + cairo_translate (cr, 0, h); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + cairo_set_source_rgb (cr, 0, 0, 1); + LL (cr, w, h); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_rectilinear, + "Test handling of rectilinear clipping", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/clip-shape.c b/test/clip-shape.c new file mode 100644 index 000000000..6a74a6ed5 --- /dev/null +++ b/test/clip-shape.c @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* Adapted from a bug report by <cairouser@yahoo.com> */ + +#include "cairo-test.h" + +static const struct xy { + double x; + double y; +} gp[] = { + { 100, 250 }, + { 100, 100 }, + { 150, 230 }, + { 239, 100 }, + { 239, 250 }, +}; + +static const double vp[3] = { 100, 144, 238.5 }; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + + cairo_paint (cr); /* opaque background */ + + for (i = 0; i < 5; ++i) + cairo_line_to (cr, gp[i].x, gp[i].y); + cairo_close_path (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_set_line_width (cr, 1.5); + cairo_stroke_preserve (cr); + cairo_clip (cr); + + for (i = 1; i < 3; ++i) { + double x1 = vp[i - 1]; + double x2 = vp[i]; + + cairo_move_to (cr, x1, 0); + cairo_line_to (cr, x1, height); + cairo_line_to (cr, x2, height); + cairo_line_to (cr, x2, 0); + cairo_close_path (cr); + + if (i & 1) + cairo_set_source_rgb (cr, 0, 1, 0); + else + cairo_set_source_rgb (cr, 1, 1, 0); + + cairo_fill (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_shape, + "Test handling of clipping with a non-aligned shape", + "clip", /* keywords */ + NULL, /* requirements */ + 400, 300, + NULL, draw) diff --git a/test/clip-stroke-no-op.c b/test/clip-stroke-no-op.c new file mode 100644 index 000000000..8eb91719b --- /dev/null +++ b/test/clip-stroke-no-op.c @@ -0,0 +1,67 @@ +/* + * Copyright 2009 Benjamin Otte + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" + +#define WIDTH 50 +#define HEIGHT 50 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Neutral gray background */ + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + + /* remove this clip operation and everything works */ + cairo_rectangle (cr, 10, 10, 30, 30); + cairo_clip (cr); + + /* remove this no-op and everything works */ + cairo_stroke (cr); + + /* make the y coordinates integers and everything works */ + cairo_move_to (cr, 20, 20.101562); + cairo_line_to (cr, 30, 20.101562); + + /* This clip operation should fail to work. But with cairo 1.9, if all the + * 3 cases above happen, the clip will not work and the paint will happen. + */ + cairo_save (cr); { + cairo_set_source_rgba (cr, 1, 0.5, 0.5, 1); + cairo_clip_preserve (cr); + cairo_paint (cr); + } cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_stroke_no_op, + "Exercises a bug found by Benjamin Otte whereby a no-op clip is nullified by a stroke", + "clip, stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-stroke.c b/test/clip-stroke.c new file mode 100644 index 000000000..9714dd067 --- /dev/null +++ b/test/clip-stroke.c @@ -0,0 +1,121 @@ +/* + * Copyright 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 40 +#define HEIGHT 40 + +static void +shapes (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0.7, 0); + cairo_arc (cr, 10, 10, 7.5, 0, 2 * M_PI); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 0, 0.7, 0.7); + cairo_arc (cr, 10, 10, 25, 0, 2 * M_PI); + cairo_stroke (cr); + cairo_rectangle (cr, -5, -5, 30, 30); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 0.7, 0.7, 0); + cairo_save (cr); + cairo_translate (cr, 10, 10); + cairo_rotate (cr, M_PI/4); + cairo_translate (cr, -10, -10); + cairo_rectangle (cr, -5, -5, 30, 30); + cairo_stroke (cr); + cairo_restore (cr); + + cairo_set_source_rgb (cr, 0.7, 0.0, 0.7); + cairo_move_to (cr, 15, -10); + cairo_line_to (cr, 30, 10); + cairo_line_to (cr, 15, 30); + cairo_stroke (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 10, 10); + + /* simple clip */ + cairo_save (cr); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_clip (cr); + shapes (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + /* unaligned clip */ + cairo_save (cr); + cairo_rectangle (cr, 0.5, 0.5, 20, 20); + cairo_clip (cr); + shapes (cr); + cairo_restore (cr); + + cairo_translate (cr, -WIDTH, HEIGHT); + + /* aligned-clip */ + cairo_save (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_rectangle (cr, 3, 3, 10, 10); + cairo_rectangle (cr, 7, 7, 10, 10); + cairo_clip (cr); + shapes (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + /* force a clip-mask */ + cairo_save (cr); + cairo_arc (cr, 10, 10, 10, 0, 2 * M_PI); + cairo_new_sub_path (cr); + cairo_arc_negative (cr, 10, 10, 5, 2 * M_PI, 0); + cairo_new_sub_path (cr); + cairo_arc (cr, 10, 10, 2, 0, 2 * M_PI); + cairo_clip (cr); + shapes (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_stroke, + "Tests stroke through complex clips.", + "clip, stroke", /* keywords */ + NULL, /* requirements */ + 2 * WIDTH, 2* HEIGHT, + NULL, draw) + diff --git a/test/clip-text.c b/test/clip-text.c new file mode 100644 index 000000000..ed8e10796 --- /dev/null +++ b/test/clip-text.c @@ -0,0 +1,88 @@ +/* + * Copyright 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 20 +#define HEIGHT 20 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const char *cairo = "Cairo"; + cairo_text_extents_t extents; + double x0, y0; + + cairo_text_extents (cr, cairo, &extents); + x0 = WIDTH/2. - (extents.width/2. + extents.x_bearing); + y0 = HEIGHT/2. - (extents.height/2. + extents.y_bearing); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* aligned-clip */ + cairo_save (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_rectangle (cr, 0, 0, 20, 20); + cairo_rectangle (cr, 3, 3, 10, 10); + cairo_rectangle (cr, 7, 7, 10, 10); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 0.7, 0, 0); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_move_to (cr, x0, y0); + cairo_show_text (cr, cairo); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + /* force a clip-mask */ + cairo_save (cr); + cairo_arc (cr, 10, 10, 10, 0, 2 * M_PI); + cairo_new_sub_path (cr); + cairo_arc_negative (cr, 10, 10, 5, 2 * M_PI, 0); + cairo_new_sub_path (cr); + cairo_arc (cr, 10, 10, 2, 0, 2 * M_PI); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 0, 0, 0.7); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_move_to (cr, x0, y0); + cairo_show_text (cr, cairo); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_text, + "Tests drawing text through complex clips.", + "clip, text", /* keywords */ + NULL, /* requirements */ + 2 * WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-twice-rectangle.c b/test/clip-twice-rectangle.c new file mode 100644 index 000000000..28f16ec84 --- /dev/null +++ b/test/clip-twice-rectangle.c @@ -0,0 +1,70 @@ +/*
+ * Copyright © 2010 Mozilla Corporation
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Author: Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairo-test.h"
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+ cairo_surface_t *mask;
+ cairo_t *cr2;
+
+ cairo_set_source_rgb (cr, 0, 1, 0);
+ cairo_paint (cr);
+
+ /* clip twice, note that the intersection is smaller then the extents */
+ cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
+ cairo_rectangle (cr, 10, 10, 80, 80);
+ cairo_rectangle (cr, 20, 20, 60, 60);
+ cairo_clip (cr);
+
+ cairo_rectangle (cr, 0, 40, 40, 30);
+ cairo_clip (cr);
+
+ /* and exercise the bug found by Jeff Muizelaar */
+ mask = cairo_surface_create_similar (cairo_get_target (cr),
+ CAIRO_CONTENT_ALPHA,
+ width-20, height-20);
+ cr2 = cairo_create (mask);
+ cairo_surface_destroy (mask);
+
+ cairo_set_source_rgba (cr2, 1, 1, 1, 1);
+ cairo_paint (cr2);
+
+ cairo_set_source_rgb (cr, 1, 0, 0);
+ cairo_mask_surface (cr, cairo_get_target (cr2), 0, 0);
+ cairo_destroy (cr2);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (clip_twice_rectangle,
+ "Tests clipping twice using rectangles",
+ "clip", /* keywords */
+ NULL, /* requirements */
+ 100, 100,
+ NULL, draw)
diff --git a/test/clip-twice.c b/test/clip-twice.c new file mode 100644 index 000000000..641b55144 --- /dev/null +++ b/test/clip-twice.c @@ -0,0 +1,74 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + */ + +#include "cairo-test.h" + +#define WIDTH 64 +#define HEIGHT 64 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_new_path (cr); + cairo_arc (cr, WIDTH / 2, HEIGHT / 2, WIDTH / 3, 0, 2 * M_PI); + cairo_clip (cr); + + cairo_new_path (cr); + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, WIDTH / 4, HEIGHT / 2); + cairo_line_to (cr, 0, HEIGHT); + cairo_line_to (cr, WIDTH, HEIGHT); + cairo_line_to (cr, 3 * WIDTH / 4, HEIGHT / 2); + cairo_line_to (cr, WIDTH, 0); + cairo_close_path (cr); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 0, 0, 0.6); + + cairo_new_path (cr); + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 0, HEIGHT); + cairo_line_to (cr, WIDTH / 2, 3 * HEIGHT / 4); + cairo_line_to (cr, WIDTH, HEIGHT); + cairo_line_to (cr, WIDTH, 0); + cairo_line_to (cr, WIDTH / 2, HEIGHT / 4); + cairo_close_path (cr); + cairo_fill (cr); + + cairo_new_path (cr); + cairo_arc (cr, WIDTH / 2, HEIGHT / 2, WIDTH / 5, 0, 2 * M_PI); + cairo_clip (cr); + cairo_set_source_rgb (cr, 1, 1, 0); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_twice, + "Verifies that the clip mask is updated correctly when it constructed by setting the clip path twice.", + "clip", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clip-unbounded.c b/test/clip-unbounded.c new file mode 100644 index 000000000..cd1c60223 --- /dev/null +++ b/test/clip-unbounded.c @@ -0,0 +1,80 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 10 + +static cairo_surface_t * +create_source (cairo_surface_t *target) +{ + cairo_surface_t *similar; + cairo_t *cr; + + similar = cairo_surface_create_similar (target, + CAIRO_CONTENT_COLOR, SIZE/2, SIZE); + cr = cairo_create (similar); + cairo_surface_destroy (similar); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + similar = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return similar; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *source; + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_rectangle (cr, 0, 0, SIZE/2, SIZE); + cairo_clip (cr); + + /* Draw a source rectangle outside the image, the effect should be to + * clear only within the clip region. + */ + source = create_source (cairo_get_target (cr)); + cairo_set_source_surface (cr, source, SIZE/2, 0); + cairo_surface_destroy (source); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_unbounded, + "Test handling of an unbounded fill outside the clip region", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) + diff --git a/test/clip-zero.c b/test/clip-zero.c new file mode 100644 index 000000000..5afd1b561 --- /dev/null +++ b/test/clip-zero.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2007 Mozilla Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pat; + cairo_surface_t *surf; + + cairo_new_path (cr); + cairo_rectangle (cr, 0, 0, 0, 0); + cairo_clip (cr); + + cairo_push_group (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + + cairo_new_path (cr); + cairo_rectangle (cr, -10, 10, 20, 20); + cairo_fill_preserve (cr); + cairo_stroke_preserve (cr); + cairo_paint (cr); + + cairo_select_font_face (cr, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, "ABC"); + + cairo_mask (cr, cairo_get_source (cr)); + + surf = cairo_surface_create_similar (cairo_get_group_target (cr), CAIRO_CONTENT_COLOR_ALPHA, 0, 0); + pat = cairo_pattern_create_for_surface (surf); + cairo_surface_destroy (surf); + + cairo_mask (cr, pat); + cairo_pattern_destroy (pat); + + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clip_zero, + "Verifies that 0x0 surfaces or clips don't cause problems.", + "clip", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/clipped-group.c b/test/clipped-group.c new file mode 100644 index 000000000..a66f357f8 --- /dev/null +++ b/test/clipped-group.c @@ -0,0 +1,88 @@ +/* + * Copyright © 2008 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Jeff Muizelaar + */ + +#include "cairo-test.h" + +#define WIDTH 60 +#define HEIGHT 70 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* fill with black so we don't need an rgb test case */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + /* setting a scale will ensure that the device offset is transformed */ + cairo_scale (cr, 2.1, 2.8); + cairo_set_source_rgb (cr, 1, .5,.4); + + /* all rectangles should look the same */ + + /* plain rectangle */ + cairo_rectangle (cr, 4, 4, 8, 8); + cairo_fill (cr); + + cairo_translate (cr, 10, 0); + + /* clipped rectangle */ + cairo_save (cr); + cairo_rectangle (cr, 3, 3, 9, 9); + cairo_clip (cr); + cairo_rectangle (cr, 4, 4, 8, 8); + cairo_fill (cr); + cairo_restore (cr); + + cairo_translate (cr, 0, 10); + + /* clipped and grouped rectangle */ + cairo_save (cr); + cairo_rectangle (cr, 3, 3, 9, 9); + cairo_clip (cr); + cairo_push_group (cr); + cairo_rectangle (cr, 4, 4, 8, 8); + cairo_fill (cr); + cairo_pop_group_to_source (cr); + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, -10, 0); + + /* grouped rectangle */ + cairo_push_group (cr); + cairo_rectangle (cr, 4, 4, 8, 8); + cairo_fill (cr); + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clipped_group, + "Test that a clipped group ends up in the right place", + "clip", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/clipped-surface.c b/test/clipped-surface.c new file mode 100644 index 000000000..a10652dc8 --- /dev/null +++ b/test/clipped-surface.c @@ -0,0 +1,63 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* + * Michael Natterer (mitch) reported a bad regression with post-1.8 trunk + * with artifacts drawn whilst repainting exposed areas. + */ + +#include "cairo-test.h" + +static const char png_filename[] = "romedalen.png"; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image; + + image = cairo_test_create_surface_from_png (ctx, png_filename); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + cairo_rectangle (cr, 20, 20, 10, 10); + cairo_clip (cr); + + cairo_set_source_surface (cr, image, 10, 10); + cairo_surface_destroy (image); + + cairo_rectangle (cr, 10, 10, 20, 20); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clipped_surface, + "Tests application of a clip to a source surface", + "clip", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) diff --git a/test/clipped-trapezoids-ref.png b/test/clipped-trapezoids-ref.png Binary files differnew file mode 100644 index 000000000..3fd300c04 --- /dev/null +++ b/test/clipped-trapezoids-ref.png diff --git a/test/clipped-trapezoids.c b/test/clipped-trapezoids.c new file mode 100644 index 000000000..1f96daa8c --- /dev/null +++ b/test/clipped-trapezoids.c @@ -0,0 +1,95 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dash[2] = { 8, 4 }; + double radius; + + radius = width; + if (height > radius) + radius = height; + + /* fill the background using a big circle */ + cairo_arc (cr, 0, 0, 4 * radius, 0, 2 * M_PI); + cairo_fill (cr); + + /* a rotated square - overlapping the corners */ + cairo_save (cr); + cairo_save (cr); + cairo_translate (cr, width/2, height/2); + cairo_rotate (cr, M_PI/4); + cairo_scale (cr, M_SQRT2, M_SQRT2); + cairo_rectangle (cr, -width/2, -height/2, width, height); + cairo_restore (cr); + cairo_set_source_rgba (cr, 0, 1, 0, .5); + cairo_set_line_width (cr, radius/2); + cairo_stroke (cr); + cairo_restore (cr); + + /* and put some circles in the corners */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_new_sub_path (cr); + cairo_arc (cr, 0, 0, radius/4, 0, 2 * M_PI); + cairo_new_sub_path (cr); + cairo_arc (cr, width, 0, radius/4, 0, 2 * M_PI); + cairo_new_sub_path (cr); + cairo_arc (cr, width, height, radius/4, 0, 2 * M_PI); + cairo_new_sub_path (cr); + cairo_arc (cr, 0, height, radius/4, 0, 2 * M_PI); + cairo_fill (cr); + + /* a couple of pixel-aligned lines */ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_move_to (cr, width/2, -height); + cairo_rel_line_to (cr, 0, 3*height); + cairo_move_to (cr, -width, height/2); + cairo_rel_line_to (cr, 3*width, 0); + cairo_stroke (cr); + + /* a couple of dashed diagonals */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_set_dash (cr, dash, 2, 0); + cairo_set_line_width (cr, 4.); + cairo_move_to (cr, -width, -height); + cairo_line_to (cr, width+width, height+height); + cairo_move_to (cr, width+width, -height); + cairo_line_to (cr, -width, height+height); + cairo_stroke (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (clipped_trapezoids, + "Tests clipping of trapezoids larger than the surface", + "clip", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) diff --git a/test/close-path-current-point.c b/test/close-path-current-point.c new file mode 100644 index 000000000..35f8d423b --- /dev/null +++ b/test/close-path-current-point.c @@ -0,0 +1,95 @@ +/* + * Copyright © 2009 Nis Martensen + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear in + * supporting documentation, and that the name of the copyright holder + * not be used in advertising or publicity pertaining to distribution of + * the software without specific, written prior permission. The + * copyright holder makes no representations about the suitability of + * this software for any purpose. It is provided "as is" without + * express or implied warranty. + * + * THE COPYRIGHT HOLDER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF + * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Nis Martensen <nis.martensen@web.de> + */ + +#include "cairo-test.h" + +#define SIZE 20 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + /* subpath starts with cairo_move_to */ + cairo_new_sub_path (cr); + cairo_move_to (cr, SIZE, SIZE); + cairo_rel_line_to (cr, SIZE, 0); + cairo_rel_line_to (cr, 0, SIZE); + cairo_close_path (cr); + cairo_rel_line_to (cr, 0.5 * SIZE, SIZE); + + /* subpath starts with cairo_line_to */ + cairo_new_sub_path (cr); + cairo_line_to (cr, SIZE, 3 * SIZE); + cairo_rel_line_to (cr, SIZE, 0); + cairo_rel_line_to (cr, 0, SIZE); + cairo_close_path (cr); + cairo_rel_line_to (cr, 0, SIZE); + + /* subpath starts with cairo_curve_to */ + cairo_new_sub_path (cr); + cairo_curve_to (cr, + SIZE, 5 * SIZE, + 1.5 * SIZE, 6 * SIZE, + 2 * SIZE, 5 * SIZE); + cairo_rel_line_to (cr, 0, SIZE); + cairo_close_path (cr); + cairo_rel_line_to (cr, -0.5 * SIZE, SIZE); + + /* subpath starts with cairo_arc */ + cairo_new_sub_path (cr); + cairo_arc (cr, + 1.5 * SIZE, 7 * SIZE, + 0.5 * SIZE, + M_PI, 2 * M_PI); + cairo_rel_line_to (cr, 0, SIZE); + cairo_close_path (cr); + cairo_rel_line_to (cr, -0.7 * SIZE, 0.7 * SIZE); + + /* subpath starts with cairo_arc_negative */ + cairo_new_sub_path (cr); + cairo_arc_negative (cr, + 1.5 * SIZE, 9 * SIZE, + 0.5 * SIZE, + M_PI, 2 * M_PI); + cairo_rel_line_to (cr, 0, SIZE); + cairo_close_path (cr); + cairo_rel_line_to (cr, -0.8 * SIZE, 0.3 * SIZE); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (close_path_current_point, + "Test some corner cases related to cairo path operations and the current point", + "path", /* keywords */ + NULL, /* requirements */ + 3 * SIZE, 11 * SIZE, + NULL, draw) diff --git a/test/close-path.c b/test/close-path.c new file mode 100644 index 000000000..f1f1230fa --- /dev/null +++ b/test/close-path.c @@ -0,0 +1,78 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" +#include <stdlib.h> + +static cairo_test_draw_function_t draw; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_path_t *path; + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + /* This curious approach for drawing a circle (starting with a + * closed arc) exercises a bug in which the "last move point" was + * not being set so the close_path closes to (0,0). */ + cairo_arc (cr, 8, 8, 4, 0, M_PI); + cairo_close_path (cr); + cairo_arc (cr, 8, 8, 4, M_PI, 2 * M_PI); + + cairo_fill (cr); + + cairo_translate (cr, 16, 0); + + /* Here a curve immediately after a close_to will begin from (0,0) + * when the path is obtained with cairo_copy_path_flat. */ + cairo_move_to (cr, 8, 4); + cairo_arc_negative (cr, 8, 8, 4, 3 * M_PI / 2.0, M_PI / 2.0); + cairo_close_path (cr); + cairo_curve_to (cr, + 12, 4, + 12, 12, + 8, 12); + + path = cairo_copy_path_flat (cr); + cairo_new_path (cr); + cairo_append_path (cr, path); + cairo_path_destroy (path); + + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (close_path, + "Test some corner cases related to cairo_close_path", + "path", /* keywords */ + NULL, /* requirements */ + 32, 16, + NULL, draw) diff --git a/test/composite-integer-translate-over-repeat.c b/test/composite-integer-translate-over-repeat.c new file mode 100644 index 000000000..d9e00057b --- /dev/null +++ b/test/composite-integer-translate-over-repeat.c @@ -0,0 +1,84 @@ +/* + * Copyright © 2007 Mozilla Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 100 +#define SIZE2 20 +#define OFFSET 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *image; + cairo_pattern_t *pat; + cairo_t *cr2; + + image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, SIZE2, SIZE2); + cr2 = cairo_create (image); + cairo_surface_destroy (image); + + cairo_set_source_rgba (cr2, 1, 0, 0, 1); + cairo_rectangle (cr2, 0, 0, SIZE2/2, SIZE2/2); + cairo_fill (cr2); + cairo_set_source_rgba (cr2, 0, 1, 0, 1); + cairo_rectangle (cr2, SIZE2/2, 0, SIZE2/2, SIZE2/2); + cairo_fill (cr2); + cairo_set_source_rgba (cr2, 0, 0, 1, 1); + cairo_rectangle (cr2, 0, SIZE2/2, SIZE2/2, SIZE2/2); + cairo_fill (cr2); + cairo_set_source_rgba (cr2, 1, 1, 0, 1); + cairo_rectangle (cr2, SIZE2/2, SIZE2/2, SIZE2/2, SIZE2/2); + cairo_fill (cr2); + + pat = cairo_pattern_create_for_surface (cairo_get_target (cr2)); + cairo_destroy (cr2); + + cairo_pattern_set_extend (pat, CAIRO_EXTEND_REPEAT); + + cairo_set_source_rgba (cr, 0, 0, 0, 1); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_fill (cr); + + cairo_translate (cr, OFFSET, OFFSET); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source (cr, pat); + cairo_rectangle (cr, 0, 0, SIZE - OFFSET, SIZE - OFFSET); + cairo_fill (cr); + + cairo_pattern_destroy (pat); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (composite_integer_translate_over_repeat, + "Test simple compositing: integer-translation 32->32 OVER, with repeat", + "composite", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/composite-integer-translate-over.c b/test/composite-integer-translate-over.c new file mode 100644 index 000000000..1b82a3379 --- /dev/null +++ b/test/composite-integer-translate-over.c @@ -0,0 +1,61 @@ +/* + * Copyright © 2006 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 100 +#define OFFSET 10 +static const char *png_filename = "romedalen.png"; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image; + + image = cairo_test_create_surface_from_png (ctx, png_filename); + + cairo_set_source_rgba (cr, 0, 0, 0, 1); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_fill (cr); + + cairo_translate (cr, OFFSET, OFFSET); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_surface (cr, image, 0, 0); + cairo_rectangle (cr, 0, 0, (SIZE-OFFSET), (SIZE-OFFSET)); + cairo_fill (cr); + + cairo_surface_destroy (image); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (composite_integer_translate_over, + "Test simple compositing: integer-translation 32->32 OVER", + "composite", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/composite-integer-translate-source.c b/test/composite-integer-translate-source.c new file mode 100644 index 000000000..e6fd93366 --- /dev/null +++ b/test/composite-integer-translate-source.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2007 Mozilla Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 100 +#define OFFSET 10 + +static const char *png_filename = "romedalen.png"; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image; + + image = cairo_test_create_surface_from_png (ctx, png_filename); + + cairo_set_source_rgba (cr, 0, 0, 0, 1); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_fill (cr); + + cairo_translate (cr, OFFSET, OFFSET); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, image, 0, 0); + cairo_rectangle (cr, 0, 0, SIZE - OFFSET, SIZE - OFFSET); + cairo_fill (cr); + + cairo_surface_destroy (image); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (composite_integer_translate_source, + "Test simple compositing: integer-translation 32->32 SOURCE", + "composite", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/copy-disjoint.c b/test/copy-disjoint.c new file mode 100644 index 000000000..1ddfd5a91 --- /dev/null +++ b/test/copy-disjoint.c @@ -0,0 +1,87 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* The goal is exercise a bug that existed in the xlib backend, where + * it assumed the rectangles generated by rectangular tessallator had + * any sorting guarantees. + */ + +#define WIDTH 300 +#define HEIGHT 300 + +static cairo_surface_t * +create_source (cairo_surface_t *target) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_surface_create_similar (target, + CAIRO_CONTENT_COLOR, + WIDTH, HEIGHT); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *white; + int x; + + /* black background */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + /* white rectangles */ + white = create_source (cairo_get_target (cr)); + cairo_set_source_surface (cr, white, 0, 0); + cairo_surface_destroy (white); + + /* blit a set of rectangles that the rectangular tessellator + * will not emit sorted. */ + for (x = 0; x < WIDTH - 10; x += 15) + cairo_rectangle (cr, x, x, 10, HEIGHT - 2*x); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (copy_disjoint, + "Tests copying unsorted rectangles.", + "fill", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/copy-path.c b/test/copy-path.c new file mode 100644 index 000000000..25823b6b1 --- /dev/null +++ b/test/copy-path.c @@ -0,0 +1,314 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" +#include <stdlib.h> + +static void +scale_by_two (double *x, double *y) +{ + *x = *x * 2.0; + *y = *y * 2.0; +} + +typedef void (*munge_func_t) (double *x, double *y); + +static void +munge_and_set_path (cairo_t *cr, + cairo_path_t *path, + munge_func_t munge) +{ + int i; + cairo_path_data_t *p; + double x1, y1, x2, y2, x3, y3; + + if (path->status) { + cairo_append_path (cr, path); + return; + } + + for (i=0; i < path->num_data; i += path->data[i].header.length) { + p = &path->data[i]; + switch (p->header.type) { + case CAIRO_PATH_MOVE_TO: + x1 = p[1].point.x; y1 = p[1].point.y; + (munge) (&x1, &y1); + cairo_move_to (cr, x1, y1); + break; + case CAIRO_PATH_LINE_TO: + x1 = p[1].point.x; y1 = p[1].point.y; + (munge) (&x1, &y1); + cairo_line_to (cr, x1, y1); + break; + case CAIRO_PATH_CURVE_TO: + x1 = p[1].point.x; y1 = p[1].point.y; + x2 = p[2].point.x; y2 = p[2].point.y; + x3 = p[3].point.x; y3 = p[3].point.y; + (munge) (&x1, &y1); + (munge) (&x2, &y2); + (munge) (&x3, &y3); + cairo_curve_to (cr, + x1, y1, + x2, y2, + x3, y3); + break; + case CAIRO_PATH_CLOSE_PATH: + cairo_close_path (cr); + break; + } + } +} + +static void +make_path (cairo_t *cr) +{ + cairo_rectangle (cr, 0, 0, 5, 5); + cairo_move_to (cr, 15, 2.5); + cairo_arc (cr, 12.5, 2.5, 2.5, 0, 2 * M_PI); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_path_t *path; + cairo_t *cr_error; + + /* Ensure that calling cairo_copy_path on an in-error cairo_t will + * propagate the error. */ + cr_error = cairo_create (NULL); + path = cairo_copy_path (cr_error); + if (path->status != CAIRO_STATUS_NULL_POINTER) { + cairo_test_log (ctx, + "Error: cairo_copy_path returned status of %s rather than propagating %s\n", + cairo_status_to_string (path->status), + cairo_status_to_string (CAIRO_STATUS_NULL_POINTER)); + cairo_path_destroy (path); + cairo_destroy (cr_error); + return CAIRO_TEST_FAILURE; + } + cairo_path_destroy (path); + + path = cairo_copy_path_flat (cr_error); + if (path->status != CAIRO_STATUS_NULL_POINTER) { + cairo_test_log (ctx, + "Error: cairo_copy_path_flat returned status of %s rather than propagating %s\n", + cairo_status_to_string (path->status), + cairo_status_to_string (CAIRO_STATUS_NULL_POINTER)); + cairo_path_destroy (path); + cairo_destroy (cr_error); + return CAIRO_TEST_FAILURE; + } + cairo_path_destroy (path); + + cairo_destroy (cr_error); + + /* first check that we can copy an empty path */ + cairo_new_path (cr); + path = cairo_copy_path (cr); + if (path->status != CAIRO_STATUS_SUCCESS) { + cairo_status_t status = path->status; + cairo_test_log (ctx, + "Error: cairo_copy_path returned status of %s\n", + cairo_status_to_string (status)); + cairo_path_destroy (path); + return cairo_test_status_from_status (ctx, status); + } + if (path->num_data != 0) { + cairo_test_log (ctx, + "Error: cairo_copy_path did not copy an empty path, returned path contains %d elements\n", + path->num_data); + cairo_path_destroy (path); + return CAIRO_TEST_FAILURE; + } + cairo_append_path (cr, path); + cairo_path_destroy (path); + if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) { + cairo_test_log (ctx, + "Error: cairo_append_path failed with a copy of an empty path, returned status of %s\n", + cairo_status_to_string (cairo_status (cr))); + return cairo_test_status_from_status (ctx, cairo_status (cr)); + } + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + /* copy path, munge, and fill */ + cairo_translate (cr, 5, 5); + make_path (cr); + path = cairo_copy_path (cr); + + cairo_new_path (cr); + munge_and_set_path (cr, path, scale_by_two); + cairo_path_destroy (path); + cairo_fill (cr); + + /* copy flattened path, munge, and fill */ + cairo_translate (cr, 0, 15); + make_path (cr); + path = cairo_copy_path_flat (cr); + + cairo_new_path (cr); + munge_and_set_path (cr, path, scale_by_two); + cairo_path_destroy (path); + cairo_fill (cr); + + /* append two copies of path, and fill */ + cairo_translate (cr, 0, 15); + cairo_scale (cr, 2.0, 2.0); + make_path (cr); + path = cairo_copy_path (cr); + + cairo_new_path (cr); + cairo_append_path (cr, path); + cairo_translate (cr, 2.5, 2.5); + cairo_append_path (cr, path); + + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_fill (cr); + + cairo_path_destroy (path); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_t *cr; + cairo_path_data_t data; + cairo_path_t path; + cairo_surface_t *surface; + cairo_status_t status; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1); + status = cairo_surface_status (surface); + if (status) { + cairo_surface_destroy (surface); + return cairo_test_status_from_status (ctx, status); + } + + /* Test a few error cases for cairo_append_path_data */ +#define CAIRO_CREATE() do {\ + cr = cairo_create (surface); \ + status = cairo_status (cr); \ + if (status) { \ + cairo_destroy (cr); \ + cairo_surface_destroy (surface); \ + return cairo_test_status_from_status (ctx, status); \ + } \ +} while (0) + CAIRO_CREATE (); + cairo_append_path (cr, NULL); + status = cairo_status (cr); + cairo_destroy (cr); + if (status != CAIRO_STATUS_NULL_POINTER) { + cairo_surface_destroy (surface); + return cairo_test_status_from_status (ctx, status); + } + + CAIRO_CREATE (); + path.status = -1; + cairo_append_path (cr, &path); + status = cairo_status (cr); + cairo_destroy (cr); + if (status != CAIRO_STATUS_INVALID_STATUS) { + cairo_surface_destroy (surface); + return cairo_test_status_from_status (ctx, status); + } + + CAIRO_CREATE (); + path.status = CAIRO_STATUS_NO_MEMORY; + cairo_append_path (cr, &path); + status = cairo_status (cr); + cairo_destroy (cr); + if (status != CAIRO_STATUS_NO_MEMORY) { + cairo_surface_destroy (surface); + return cairo_test_status_from_status (ctx, status); + } + + CAIRO_CREATE (); + path.data = NULL; + path.num_data = 0; + path.status = CAIRO_STATUS_SUCCESS; + cairo_append_path (cr, &path); + status = cairo_status (cr); + cairo_destroy (cr); + if (status != CAIRO_STATUS_SUCCESS) { + cairo_surface_destroy (surface); + return cairo_test_status_from_status (ctx, status); + } + + CAIRO_CREATE (); + path.data = NULL; + path.num_data = 1; + path.status = CAIRO_STATUS_SUCCESS; + cairo_append_path (cr, &path); + status = cairo_status (cr); + cairo_destroy (cr); + if (status != CAIRO_STATUS_NULL_POINTER) { + cairo_surface_destroy (surface); + return cairo_test_status_from_status (ctx, status); + } + + CAIRO_CREATE (); + /* Intentionally insert bogus header.length value (otherwise would be 2) */ + data.header.type = CAIRO_PATH_MOVE_TO; + data.header.length = 1; + path.data = &data; + path.num_data = 1; + cairo_append_path (cr, &path); + status = cairo_status (cr); + cairo_destroy (cr); + if (status != CAIRO_STATUS_INVALID_PATH_DATA) { + cairo_surface_destroy (surface); + return cairo_test_status_from_status (ctx, status); + } + + /* And test the degnerate case */ + CAIRO_CREATE (); + path.num_data = 0; + cairo_append_path (cr, &path); + status = cairo_status (cr); + cairo_destroy (cr); + if (status != CAIRO_STATUS_SUCCESS) { + cairo_surface_destroy (surface); + return cairo_test_status_from_status (ctx, status); + } + + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (copy_path, + "Tests calls to path_data functions: cairo_copy_path, cairo_copy_path_flat, and cairo_append_path", + "path", /* keywords */ + NULL, /* requirements */ + 45, 53, + preamble, draw) diff --git a/test/coverage.c b/test/coverage.c new file mode 100644 index 000000000..12225c325 --- /dev/null +++ b/test/coverage.c @@ -0,0 +1,506 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* Test the fidelity of the rasterisation, because Cairo is my favourite + * driver test suite. + */ + +#define GENERATE_REFERENCE 0 + +#define WIDTH 256 +#define HEIGHT 40 + +#include "../src/cairo-fixed-type-private.h" +#define PRECISION (1 << CAIRO_FIXED_FRAC_BITS) + +/* XXX beware multithreading! */ +static uint32_t state; + +static uint32_t +hars_petruska_f54_1_random (void) +{ +#define rol(x,k) ((x << k) | (x >> (32-k))) + return state = (state ^ rol (state, 5) ^ rol (state, 24)) + 0x37798849; +#undef rol +} + +static double +random_offset (int range, int precise) +{ + double x = hars_petruska_f54_1_random() / (double) UINT32_MAX * range / WIDTH; + if (precise) + x = floor (x * PRECISION) / PRECISION; + return x; +} + +static cairo_test_status_t +rectangles (cairo_t *cr, int width, int height) +{ + int x, y, channel; + + state = 0x12345678; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + +#if GENERATE_REFERENCE + for (x = 0; x < WIDTH; x++) { + cairo_set_source_rgba (cr, 1, 1, 1, x * x * 1.0 / (WIDTH * WIDTH)); + cairo_rectangle (cr, x, 0, 1, HEIGHT); + cairo_fill (cr); + } +#else + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (x = 0; x < WIDTH; x++) { + for (y = 0; y < HEIGHT; y++) { + double dx = random_offset (WIDTH - x, TRUE); + double dy = random_offset (WIDTH - x, TRUE); + cairo_rectangle (cr, x + dx, y + dy, x / (double) WIDTH, x / (double) WIDTH); + } + } + cairo_fill (cr); + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +rhombus (cairo_t *cr, int width, int height) +{ + int x, y; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + +#if GENERATE_REFERENCE + for (y = 0; y < WIDTH; y++) { + for (x = 0; x < WIDTH; x++) { + cairo_set_source_rgba (cr, 1, 1, 1, + x * y / (2. * WIDTH * WIDTH)); + cairo_rectangle (cr, 2*x, 2*y, 2, 2); + cairo_fill (cr); + } + } +#else + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgb (cr, 1, 1, 1); + + for (y = 0; y < WIDTH; y++) { + double yf = y / (double) WIDTH; + for (x = 0; x < WIDTH; x++) { + double xf = x / (double) WIDTH; + + cairo_move_to (cr, + 2*x + 1 - xf, + 2*y + 1); + cairo_line_to (cr, + 2*x + 1, + 2*y + 1 - yf); + cairo_line_to (cr, + 2*x + 1 + xf, + 2*y + 1); + cairo_line_to (cr, + 2*x + 1, + 2*y + 1 + yf); + cairo_close_path (cr); + } + } + + cairo_fill (cr); +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +intersecting_quads (cairo_t *cr, int width, int height) +{ + int x, y, channel; + + state = 0x12345678; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + +#if GENERATE_REFERENCE + for (x = 0; x < WIDTH; x++) { + cairo_set_source_rgba (cr, 1, 1, 1, x * x * 0.5 / (WIDTH * WIDTH)); + cairo_rectangle (cr, x, 0, 1, HEIGHT); + cairo_fill (cr); + } +#else + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (x = 0; x < WIDTH; x++) { + double step = x / (double) WIDTH; + for (y = 0; y < HEIGHT; y++) { + double dx = random_offset (WIDTH - x, TRUE); + double dy = random_offset (WIDTH - x, TRUE); + cairo_move_to (cr, x + dx, y + dy); + cairo_rel_line_to (cr, step, step); + cairo_rel_line_to (cr, 0, -step); + cairo_rel_line_to (cr, -step, step); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +intersecting_triangles (cairo_t *cr, int width, int height) +{ + int x, y, channel; + + state = 0x12345678; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + +#if GENERATE_REFERENCE + for (x = 0; x < WIDTH; x++) { + cairo_set_source_rgba (cr, 1, 1, 1, x * 0.75 / WIDTH); + cairo_rectangle (cr, x, 0, 1, HEIGHT); + cairo_fill (cr); + } +#else + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (x = 0; x < WIDTH; x++) { + double step = x / (double) WIDTH; + for (y = 0; y < HEIGHT; y++) { + double dx = random_offset (WIDTH - x, TRUE); + double dy = random_offset (WIDTH - x, TRUE); + + /* left */ + cairo_move_to (cr, x + dx, y + dy); + cairo_rel_line_to (cr, 0, step); + cairo_rel_line_to (cr, step, 0); + cairo_close_path (cr); + + /* right, mirrored */ + cairo_move_to (cr, x + dx + step, y + dy + step); + cairo_rel_line_to (cr, 0, -step); + cairo_rel_line_to (cr, -step, step); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +triangles (cairo_t *cr, int width, int height) +{ + int x, y, channel; + + state = 0x12345678; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + +#if GENERATE_REFERENCE + for (x = 0; x < WIDTH; x++) { + cairo_set_source_rgba (cr, 1, 1, 1, x * x * 0.5 / (WIDTH * WIDTH)); + cairo_rectangle (cr, x, 0, 1, HEIGHT); + cairo_fill (cr); + } +#else + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (x = 0; x < WIDTH; x++) { + for (y = 0; y < HEIGHT; y++) { + double dx = random_offset (WIDTH - x, TRUE); + double dy = random_offset (WIDTH - x, TRUE); + cairo_move_to (cr, x + dx, y + dy); + cairo_rel_line_to (cr, x / (double) WIDTH, 0); + cairo_rel_line_to (cr, 0, x / (double) WIDTH); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +abutting (cairo_t *cr, int width, int height) +{ + int x, y; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.75); + +#if GENERATE_REFERENCE + cairo_paint (cr); +#else + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + + for (y = 0; y < 16; y++) { + for (x = 0; x < 16; x++) { + double theta = (y * 16 + x) * M_PI / 512; + double cx = 16 * cos (theta) + x * 16; + double cy = 16 * sin (theta) + y * 16; + + cairo_move_to (cr, x * 16, y * 16); + cairo_line_to (cr, cx, cy); + cairo_line_to (cr, (x + 1) * 16, y * 16); + cairo_fill (cr); + + cairo_move_to (cr, (x + 1) * 16, y * 16); + cairo_line_to (cr, cx, cy); + cairo_line_to (cr, (x + 1) * 16, (y + 1) * 16); + cairo_fill (cr); + + cairo_move_to (cr, (x + 1) * 16, (y + 1) * 16); + cairo_line_to (cr, cx, cy); + cairo_line_to (cr, x * 16, (y + 1) * 16); + cairo_fill (cr); + + cairo_move_to (cr, x * 16, (y + 1) * 16); + cairo_line_to (cr, cx, cy); + cairo_line_to (cr, x * 16, y * 16); + cairo_fill (cr); + } + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +column_triangles (cairo_t *cr, int width, int height) +{ + int x, y, i, channel; + + state = 0x12345678; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + +#if GENERATE_REFERENCE + for (x = 0; x < WIDTH; x++) { + cairo_set_source_rgba (cr, 1, 1, 1, x * 0.5 / WIDTH); + cairo_rectangle (cr, x, 0, 1, HEIGHT); + cairo_fill (cr); + } +#else + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (x = 0; x < WIDTH; x++) { + double step = x / (double) (2 * WIDTH); + for (y = 0; y < HEIGHT; y++) { + for (i = 0; i < PRECISION; i++) { + double dy = random_offset (WIDTH - x, FALSE); + + /* + * We want to test some sharing of edges to further + * stress the rasterisers, so instead of using one + * tall triangle, it is split into two, with vertical + * edges on either side that may co-align with their + * neighbours: + * + * s --- . --- + * t | |\ | + * e | | \ | + * p --- .... | 2 * step = x / WIDTH + * \ | | + * \| | + * . --- + * |---| + * 1 / PRECISION + * + * Each column contains two triangles of width one quantum and + * total height of (x / WIDTH), thus the total area covered by all + * columns in each pixel is .5 * (x / WIDTH). + */ + + cairo_move_to (cr, x + i / (double) PRECISION, y + dy); + cairo_rel_line_to (cr, 0, step); + cairo_rel_line_to (cr, 1 / (double) PRECISION, step); + cairo_rel_line_to (cr, 0, -step); + cairo_close_path (cr); + } + cairo_fill (cr); /* do these per-pixel due to the extra volume of edges */ + } + } + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +row_triangles (cairo_t *cr, int width, int height) +{ + int x, y, i, channel; + + state = 0x12345678; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + +#if GENERATE_REFERENCE + for (x = 0; x < WIDTH; x++) { + cairo_set_source_rgba (cr, 1, 1, 1, x * 0.5 / WIDTH); + cairo_rectangle (cr, x, 0, 1, HEIGHT); + cairo_fill (cr); + } +#else + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (x = 0; x < WIDTH; x++) { + double step = x / (double) (2 * WIDTH); + for (y = 0; y < HEIGHT; y++) { + for (i = 0; i < PRECISION; i++) { + double dx = random_offset (WIDTH - x, FALSE); + + /* See column_triangles() for a transposed description + * of this geometry. + */ + + cairo_move_to (cr, x + dx, y + i / (double) PRECISION); + cairo_rel_line_to (cr, step, 0); + cairo_rel_line_to (cr, step, 1 / (double) PRECISION); + cairo_rel_line_to (cr, -step, 0); + cairo_close_path (cr); + } + cairo_fill (cr); /* do these per-pixel due to the extra volume of edges */ + } + } + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (coverage_rectangles, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, rectangles) + +CAIRO_TEST (coverage_rhombus, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster", /* requirements */ + 2*WIDTH, 2*WIDTH, + NULL, rhombus) + +CAIRO_TEST (coverage_intersecting_quads, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, intersecting_quads) + +CAIRO_TEST (coverage_intersecting_triangles, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, intersecting_triangles) +CAIRO_TEST (coverage_row_triangles, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, row_triangles) +CAIRO_TEST (coverage_column_triangles, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, column_triangles) +CAIRO_TEST (coverage_triangles, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, triangles) +CAIRO_TEST (coverage_abutting, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster", /* requirements */ + 16*16, 16*16, + NULL, abutting) diff --git a/test/create-for-stream.c b/test/create-for-stream.c new file mode 100644 index 000000000..af1632f14 --- /dev/null +++ b/test/create-for-stream.c @@ -0,0 +1,311 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <string.h> +#include <errno.h> + +#if CAIRO_HAS_PS_SURFACE +#include <cairo-ps.h> +#endif + +#if CAIRO_HAS_PDF_SURFACE +#include <cairo-pdf.h> +#endif + +#if CAIRO_HAS_SVG_SURFACE +#include <cairo-svg.h> +#endif + +#include "cairo-test.h" + +/* The main test suite doesn't test the *_create_for_stream + * constructors for the PDF, PS and SVG surface, so we do that here. + * We draw to an in-memory buffer using the stream constructor and + * compare the output to the contents of a file written using the + * file constructor. + */ + +#define MAX_OUTPUT_SIZE 4096 + +#define WIDTH_IN_INCHES 3 +#define HEIGHT_IN_INCHES 3 +#define WIDTH_IN_POINTS (WIDTH_IN_INCHES * 72.0) +#define HEIGHT_IN_POINTS (HEIGHT_IN_INCHES * 72.0) + +#define BASENAME "create-for-stream.out" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Just draw a rectangle. */ + + cairo_rectangle (cr, width / 10., height /10., + width - 2 * width / 10., + height - 2 * height /10.); + cairo_fill (cr); + + cairo_show_page (cr); + + return CAIRO_TEST_SUCCESS; +} + +static void +draw_to (cairo_surface_t *surface) +{ + cairo_t *cr; + + cr = cairo_create (surface); + + draw (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + + cairo_destroy (cr); +} + +typedef struct _write_closure { + const cairo_test_context_t *ctx; + char buffer[MAX_OUTPUT_SIZE]; + size_t index; + cairo_test_status_t status; +} write_closure_t; + +static cairo_status_t +bad_write (void *closure, + const unsigned char *data, + unsigned int length) +{ + return CAIRO_STATUS_WRITE_ERROR; +} + +static cairo_status_t +test_write (void *closure, + const unsigned char *data, + unsigned int length) +{ + write_closure_t *wc = closure; + + if (wc->index + length >= sizeof wc->buffer) { + cairo_test_log (wc->ctx, "Error: out of bounds in write callback\n"); + wc->status = CAIRO_TEST_FAILURE; + return CAIRO_STATUS_SUCCESS; + } + + memcpy (&wc->buffer[wc->index], data, length); + wc->index += length; + + return CAIRO_STATUS_SUCCESS; +} + + +typedef cairo_surface_t * +(*file_constructor_t) (const char *filename, + double width_in_points, + double height_in_points); + +typedef cairo_surface_t * +(*stream_constructor_t) (cairo_write_func_t write_func, + void *closure, + double width_in_points, + double height_in_points); + +static cairo_test_status_t +test_surface (const cairo_test_context_t *ctx, + const char *backend, + const char *filename, + file_constructor_t file_constructor, + stream_constructor_t stream_constructor) +{ + cairo_surface_t *surface; + write_closure_t wc; + char file_contents[MAX_OUTPUT_SIZE]; + cairo_status_t status; + FILE *fp; + + /* test propagation of user errors */ + surface = stream_constructor (bad_write, &wc, + WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + + status = cairo_surface_status (surface); + if (status) { + cairo_test_log (ctx, + "%s: Failed to create surface for stream.\n", + backend); + return CAIRO_TEST_FAILURE; + } + + draw_to (surface); + + cairo_surface_finish (surface); + status = cairo_surface_status (surface); + cairo_surface_destroy (surface); + + if (status != CAIRO_STATUS_WRITE_ERROR) { + cairo_test_log (ctx, + "%s: Error: expected \"write error\", but received \"%s\".\n", + backend, cairo_status_to_string (status)); + return CAIRO_TEST_FAILURE; + } + + /* construct the real surface */ + wc.ctx = ctx; + wc.status = CAIRO_TEST_SUCCESS; + wc.index = 0; + + surface = stream_constructor (test_write, &wc, + WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + + status = cairo_surface_status (surface); + if (status) { + cairo_test_log (ctx, + "%s: Failed to create surface for stream.\n", backend); + return CAIRO_TEST_FAILURE; + } + + draw_to (surface); + + cairo_surface_destroy (surface); + + if (wc.status != CAIRO_TEST_SUCCESS) { + /* Error already reported. */ + return wc.status; + } + + surface = file_constructor (filename, + WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + + status = cairo_surface_status (surface); + if (status) { + cairo_test_log (ctx, "%s: Failed to create surface for file %s: %s.\n", + backend, filename, cairo_status_to_string (status)); + return CAIRO_TEST_FAILURE; + } + + draw_to (surface); + + cairo_surface_destroy (surface); + + fp = fopen (filename, "r"); + if (fp == NULL) { + cairo_test_log (ctx, "%s: Failed to open %s for reading: %s.\n", + backend, filename, strerror (errno)); + return CAIRO_TEST_FAILURE; + } + + if (fread (file_contents, 1, wc.index, fp) != wc.index) { + cairo_test_log (ctx, "%s: Failed to read %s: %s.\n", + backend, filename, strerror (errno)); + fclose (fp); + return CAIRO_TEST_FAILURE; + } + + if (memcmp (file_contents, wc.buffer, wc.index) != 0) { + cairo_test_log (ctx, "%s: Stream based output differ from file output for %s.\n", + backend, filename); + fclose (fp); + return CAIRO_TEST_FAILURE; + } + + fclose (fp); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_test_status_t status = CAIRO_TEST_UNTESTED; + cairo_test_status_t test_status; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + +#if CAIRO_HAS_PS_SURFACE + if (cairo_test_is_target_enabled (ctx, "ps2") || + cairo_test_is_target_enabled (ctx, "ps3")) + { + if (status == CAIRO_TEST_UNTESTED) + status = CAIRO_TEST_SUCCESS; + + xasprintf (&filename, "%s/%s", path, BASENAME ".ps"); + test_status = test_surface (ctx, "ps", filename, + cairo_ps_surface_create, + cairo_ps_surface_create_for_stream); + cairo_test_log (ctx, "TEST: %s TARGET: %s RESULT: %s\n", + ctx->test->name, "ps", + test_status ? "FAIL" : "PASS"); + if (status == CAIRO_TEST_SUCCESS) + status = test_status; + free (filename); + } +#endif + +#if CAIRO_HAS_PDF_SURFACE + if (cairo_test_is_target_enabled (ctx, "pdf")) { + if (status == CAIRO_TEST_UNTESTED) + status = CAIRO_TEST_SUCCESS; + + xasprintf (&filename, "%s/%s", path, BASENAME ".pdf"); + test_status = test_surface (ctx, "pdf", filename, + cairo_pdf_surface_create, + cairo_pdf_surface_create_for_stream); + cairo_test_log (ctx, "TEST: %s TARGET: %s RESULT: %s\n", + ctx->test->name, "pdf", + test_status ? "FAIL" : "PASS"); + if (status == CAIRO_TEST_SUCCESS) + status = test_status; + free (filename); + } +#endif + +#if CAIRO_HAS_SVG_SURFACE + if (cairo_test_is_target_enabled (ctx, "svg11") || + cairo_test_is_target_enabled (ctx, "svg12")) + { + if (status == CAIRO_TEST_UNTESTED) + status = CAIRO_TEST_SUCCESS; + + xasprintf (&filename, "%s/%s", path, BASENAME ".svg"); + test_status = test_surface (ctx, "svg", filename, + cairo_svg_surface_create, + cairo_svg_surface_create_for_stream); + cairo_test_log (ctx, "TEST: %s TARGET: %s RESULT: %s\n", + ctx->test->name, "svg", + test_status ? "FAIL" : "PASS"); + if (status == CAIRO_TEST_SUCCESS) + status = test_status; + free (filename); + } +#endif + + return status; +} + +CAIRO_TEST (create_for_stream, + "Checks creating vector surfaces with user defined I/O\n", + "stream", /* keywords */ + "target=vector", /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/create-from-png-stream.c b/test/create-from-png-stream.c new file mode 100644 index 000000000..2e9eeeeac --- /dev/null +++ b/test/create-from-png-stream.c @@ -0,0 +1,119 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> + +#define WIDTH 2 +#define HEIGHT 2 + +static cairo_status_t +read_png_from_file (void *closure, unsigned char *data, unsigned int length) +{ + FILE *file = closure; + size_t bytes_read; + + bytes_read = fread (data, 1, length, file); + if (bytes_read != length) + return CAIRO_STATUS_READ_ERROR; + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + char *filename; + FILE *file; + cairo_surface_t *surface; + cairo_status_t status; + + xasprintf (&filename, "%s/reference/%s", ctx->srcdir, + "create-from-png-stream.ref.png"); + + file = fopen (filename, "rb"); + if (file == NULL) { + cairo_test_status_t ret; + + ret = CAIRO_TEST_FAILURE; + if (errno == ENOMEM) + ret = cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY); + + if (ret != CAIRO_TEST_NO_MEMORY) + cairo_test_log (ctx, "Error: failed to open file: %s\n", filename); + + free (filename); + return ret; + } + + surface = cairo_image_surface_create_from_png_stream (read_png_from_file, + file); + + fclose (file); + + status = cairo_surface_status (surface); + if (status) { + cairo_test_status_t ret; + + cairo_surface_destroy (surface); + + ret = cairo_test_status_from_status (ctx, status); + if (ret != CAIRO_TEST_NO_MEMORY) { + cairo_test_log (ctx, + "Error: failed to create surface from PNG: %s - %s\n", + filename, + cairo_status_to_string (status)); + } + + free (filename); + + return ret; + } + + free (filename); + + /* Pretend we modify the surface data (which detaches the PNG mime data) */ + cairo_surface_flush (surface); + cairo_surface_mark_dirty (surface); + + cairo_set_source_surface (cr, surface, 0, 0); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint (cr); + + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (create_from_png_stream, + "Tests the creation of an image surface from a PNG using a FILE *", + "png", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/create-from-png.c b/test/create-from-png.c new file mode 100644 index 000000000..2ca1fa2c0 --- /dev/null +++ b/test/create-from-png.c @@ -0,0 +1,320 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <stdlib.h> + +#define WIDTH 2 +#define HEIGHT 2 + +static cairo_status_t +no_memory_error (void *closure, unsigned char *data, unsigned int size) +{ + return CAIRO_STATUS_NO_MEMORY; +} + +static cairo_status_t +read_error (void *closure, unsigned char *data, unsigned int size) +{ + return CAIRO_STATUS_READ_ERROR; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + char *filename; + cairo_surface_t *surface; + + xasprintf (&filename, "%s/reference/%s", + ctx->srcdir, "create-from-png.ref.png"); + + surface = cairo_image_surface_create_from_png (filename); + if (cairo_surface_status (surface)) { + cairo_test_status_t result; + + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error reading PNG image %s: %s\n", + filename, + cairo_status_to_string (cairo_surface_status (surface))); + } + + free (filename); + return result; + } + + /* Pretend we modify the surface data (which detaches the PNG mime data) */ + cairo_surface_flush (surface); + cairo_surface_mark_dirty (surface); + + cairo_set_source_surface (cr, surface, 0, 0); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint (cr); + + cairo_surface_destroy (surface); + + free (filename); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + char *filename; + char *path; + cairo_surface_t *surface; + cairo_status_t status; + cairo_test_status_t result = CAIRO_TEST_SUCCESS; + + surface = cairo_image_surface_create_from_png ("___THIS_FILE_DOES_NOT_EXIST___"); + if (cairo_surface_status (surface) != CAIRO_STATUS_FILE_NOT_FOUND) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error: expected \"file not found\", but got: %s\n", + cairo_status_to_string (cairo_surface_status (surface))); + } + } + cairo_surface_destroy (surface); + if (result != CAIRO_TEST_SUCCESS) + return result; + + surface = cairo_image_surface_create_from_png_stream (no_memory_error, NULL); + if (cairo_surface_status (surface) != CAIRO_STATUS_NO_MEMORY) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error: expected \"out of memory\", but got: %s\n", + cairo_status_to_string (cairo_surface_status (surface))); + } + } + cairo_surface_destroy (surface); + if (result != CAIRO_TEST_SUCCESS) + return result; + + surface = cairo_image_surface_create_from_png_stream (read_error, NULL); + if (cairo_surface_status (surface) != CAIRO_STATUS_READ_ERROR) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error: expected \"read error\", but got: %s\n", + cairo_status_to_string (cairo_surface_status (surface))); + } + } + cairo_surface_destroy (surface); + if (result != CAIRO_TEST_SUCCESS) + return result; + + /* cheekily test error propagation from the user write funcs as well ... */ + xasprintf (&path, "%s/reference", ctx->srcdir); + xasprintf (&filename, "%s/%s", path, "create-from-png.ref.png"); + + surface = cairo_image_surface_create_from_png (filename); + if (cairo_surface_status (surface)) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error reading PNG image %s: %s\n", + filename, + cairo_status_to_string (cairo_surface_status (surface))); + } + } else { + status = cairo_surface_write_to_png_stream (surface, + (cairo_write_func_t) no_memory_error, + NULL); + if (status != CAIRO_STATUS_NO_MEMORY) { + result = cairo_test_status_from_status (ctx, status); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error: expected \"out of memory\", but got: %s\n", + cairo_status_to_string (status)); + } + } + + status = cairo_surface_write_to_png_stream (surface, + (cairo_write_func_t) read_error, + NULL); + if (status != CAIRO_STATUS_READ_ERROR) { + result = cairo_test_status_from_status (ctx, status); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error: expected \"read error\", but got: %s\n", + cairo_status_to_string (status)); + } + } + + /* and check that error has not propagated to the surface */ + if (cairo_surface_status (surface)) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error: user write error propagated to surface: %s", + cairo_status_to_string (cairo_surface_status (surface))); + } + } + } + cairo_surface_destroy (surface); + free (filename); + if (result != CAIRO_TEST_SUCCESS) + return result; + + /* check that loading alpha/opaque PNGs generate the correct surfaces */ + /* TODO: Avoid using target-specific references as sample images */ + xasprintf (&filename, "%s/%s", path, "create-from-png.alpha.ref.png"); + surface = cairo_image_surface_create_from_png (filename); + if (cairo_surface_status (surface)) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error reading PNG image %s: %s\n", + filename, + cairo_status_to_string (cairo_surface_status (surface))); + } + } else if (cairo_image_surface_get_format (surface) != CAIRO_FORMAT_ARGB32) { + cairo_test_log (ctx, "Error reading PNG image %s: did not create an ARGB32 image\n", + filename); + result = CAIRO_TEST_FAILURE; + } + free (filename); + cairo_surface_destroy (surface); + if (result != CAIRO_TEST_SUCCESS) + return result; + + xasprintf (&filename, "%s/%s", path, "create-from-png.ref.png"); + surface = cairo_image_surface_create_from_png (filename); + if (cairo_surface_status (surface)) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error reading PNG image %s: %s\n", + filename, + cairo_status_to_string (cairo_surface_status (surface))); + } + } else if (cairo_image_surface_get_format (surface) != CAIRO_FORMAT_RGB24) { + cairo_test_log (ctx, "Error reading PNG image %s: did not create an RGB24 image\n", + filename); + result = CAIRO_TEST_FAILURE; + } + free (filename); + cairo_surface_destroy (surface); + if (result != CAIRO_TEST_SUCCESS) + return result; + + /* check paletted PNGs */ + /* TODO: Avoid using target-specific references as sample images */ + xasprintf (&filename, "%s/%s", path, "create-from-png.indexed-alpha.ref.png"); + surface = cairo_image_surface_create_from_png (filename); + if (cairo_surface_status (surface)) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error reading PNG image %s: %s\n", + filename, + cairo_status_to_string (cairo_surface_status (surface))); + } + } else if (cairo_image_surface_get_format (surface) != CAIRO_FORMAT_ARGB32) { + cairo_test_log (ctx, "Error reading PNG image %s: did not create an ARGB32 image\n", + filename); + result = CAIRO_TEST_FAILURE; + } + free (filename); + cairo_surface_destroy (surface); + if (result != CAIRO_TEST_SUCCESS) + return result; + + /* TODO: Avoid using target-specific references as sample images */ + xasprintf (&filename, "%s/%s", path, "create-from-png.indexed.ref.png"); + surface = cairo_image_surface_create_from_png (filename); + if (cairo_surface_status (surface)) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error reading PNG image %s: %s\n", + filename, + cairo_status_to_string (cairo_surface_status (surface))); + } + } else if (cairo_image_surface_get_format (surface) != CAIRO_FORMAT_RGB24) { + cairo_test_log (ctx, "Error reading PNG image %s: did not create an RGB24 image\n", + filename); + result = CAIRO_TEST_FAILURE; + } + free (filename); + cairo_surface_destroy (surface); + if (result != CAIRO_TEST_SUCCESS) + return result; + + /* check grayscale PNGs */ + /* TODO: Avoid using target-specific references as sample images */ + xasprintf (&filename, "%s/%s", path, "create-from-png.gray-alpha.ref.png"); + surface = cairo_image_surface_create_from_png (filename); + if (cairo_surface_status (surface)) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error reading PNG image %s: %s\n", + filename, + cairo_status_to_string (cairo_surface_status (surface))); + } + } else if (cairo_image_surface_get_format (surface) != CAIRO_FORMAT_ARGB32) { + cairo_test_log (ctx, "Error reading PNG image %s: did not create an ARGB32 image\n", + filename); + result = CAIRO_TEST_FAILURE; + } + free (filename); + cairo_surface_destroy (surface); + if (result != CAIRO_TEST_SUCCESS) + return result; + + /* TODO: Avoid using target-specific references as sample images */ + xasprintf (&filename, "%s/%s", path, "create-from-png.gray.ref.png"); + surface = cairo_image_surface_create_from_png (filename); + if (cairo_surface_status (surface)) { + result = cairo_test_status_from_status (ctx, + cairo_surface_status (surface)); + if (result == CAIRO_TEST_FAILURE) { + cairo_test_log (ctx, "Error reading PNG image %s: %s\n", + filename, + cairo_status_to_string (cairo_surface_status (surface))); + } + } else if (cairo_image_surface_get_format (surface) != CAIRO_FORMAT_RGB24) { + cairo_test_log (ctx, "Error reading PNG image %s: did not create an RGB24 image\n", + filename); + result = CAIRO_TEST_FAILURE; + } + free (filename); + cairo_surface_destroy (surface); + + free (path); + + return result; +} + +CAIRO_TEST (create_from_png, + "Tests the creation of an image surface from a PNG file", + "png", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + preamble, draw) diff --git a/test/culled-glyphs.c b/test/culled-glyphs.c new file mode 100644 index 000000000..28bee7e8c --- /dev/null +++ b/test/culled-glyphs.c @@ -0,0 +1,62 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const char *text = +"This needs to be a very long string, wider than the surface, and yet wider." +"Ideally it should overflow the stack buffers, but do you really want to read " +"a message that long. No. So we compromise with around 300 glyphs that is " +"long enough to trigger the conditions as stated in " +"http://lists.cairographics.org/archives/cairo/2008-December/015976.html. " +"Happy now?"; + cairo_text_extents_t extents; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_set_font_size (cr, 16); + cairo_text_extents (cr, text, &extents); + cairo_move_to (cr, -extents.width/2, 18); + cairo_show_text (cr, text); + + /* XXX we should exercise cairo_show_text_glyphs() as well, + * and CAIRO_TEXT_CLUSTER_BACKWARDS + */ + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (culled_glyphs, + "Tests culling of glyphs and text clusters", + "glyphs", /* keywords */ + NULL, /* requirements */ + 20, 20, + NULL, draw) + diff --git a/test/curve-to-as-line-to.c b/test/curve-to-as-line-to.c new file mode 100644 index 000000000..07eb005f5 --- /dev/null +++ b/test/curve-to-as-line-to.c @@ -0,0 +1,95 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 30 + +/* At one point, an optimization was proposed for cairo in which a + * curve_to would be optimized as a line_to. The initial (buggy) + * implementation verified that the slopes of several segments of the + * spline's control polygon were identical, but left open the + * possibility of an anti-parallel slope for one segment. + * + * For example, given a spline with collinear control points (A,B,C,D) + * positioned as follows: + * + * C--A--B--D + * + * The code verified identical slopes for AB, CD, and AD. The missing + * check for the BC segment allowed it to be anti-parallel to the + * others as above, and hence invalid to replace this spline with the + * AD line segment. + */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_line_width (cr, 1.0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + cairo_translate (cr, 0, 1.0); + + /* The CABD spline as described above. We ensure that the spline + * folds over on itself outside the bounds of the image to avoid + * the reference image having the curved portion of that fold, + * (which would just be harder to match in all the backends than + * we really want). */ + cairo_move_to (cr, + 10.5, 0.5); + cairo_curve_to (cr, + 11.5, 0.5, + -25.0, 0.5, + 31.0, 0.5); + + cairo_stroke (cr); + + cairo_translate (cr, 0, 2.0); + + /* A reflected version: DBAC */ + cairo_move_to (cr, + 19.5, 0.5); + + cairo_curve_to (cr, + 18.5, 0.5, + 55.0, 0.5, + -1.0, 0.5); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (curve_to_as_line_to, + "Test optimization treating curve_to as line_to", + "path", /* keywords */ + NULL, /* requirements */ + 30, + 5, + NULL, draw) diff --git a/test/dash-caps-joins.c b/test/dash-caps-joins.c new file mode 100644 index 000000000..ace27e9b9 --- /dev/null +++ b/test/dash-caps-joins.c @@ -0,0 +1,104 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Test case for bug #4409: + * + * Dashes are missing initial caps + * https://bugs.freedesktop.org/show_bug.cgi?id=4409 + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (5 * LINE_WIDTH) +#define PAD (2 * LINE_WIDTH) + +static void +make_path (cairo_t *cr) +{ + cairo_move_to (cr, 0., 0.); + cairo_rel_line_to (cr, 0., SIZE); + cairo_rel_line_to (cr, SIZE, 0.); + cairo_close_path (cr); + + cairo_move_to (cr, 2 * LINE_WIDTH, 0.); + cairo_rel_line_to (cr, 3 * LINE_WIDTH, 0.); + cairo_rel_line_to (cr, 0., 3 * LINE_WIDTH); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dash[] = {LINE_WIDTH, 1.5 * LINE_WIDTH}; + double dash_offset = -2 * LINE_WIDTH; + int i; + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + for (i=0; i<2; i++) { + cairo_save (cr); + cairo_set_line_width (cr, LINE_WIDTH); + cairo_set_dash (cr, dash, ARRAY_LENGTH (dash), dash_offset); + + cairo_translate (cr, PAD, PAD); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + + cairo_restore (cr); + cairo_translate (cr, 0., SIZE + PAD); + dash_offset = 0; + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (dash_caps_joins, + "Test caps and joins when dashing", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + PAD + SIZE + PAD + SIZE + PAD, + NULL, draw) diff --git a/test/dash-curve.c b/test/dash-curve.c new file mode 100644 index 000000000..c31998012 --- /dev/null +++ b/test/dash-curve.c @@ -0,0 +1,66 @@ +/* + * Copyright © 2007 Jeff Smith + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Jeff Smith not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Jeff Smith makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JEFF SMITH DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL JEFF SMITH BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Jeff Smith <whydoubt@yahoo.com> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dashes[2] = {20, 20}; + int a=0, b=0, c=0; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + for (a=0; a<4; a++) + for (b=0; b<5; b++) + for (c=0; c<5; c++) { + cairo_move_to (cr, ((b*5)+c)*60+10, a*60+10); + cairo_rel_curve_to (cr, + 0, b*10, + 0, b*10, + c*10, b*10); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_set_line_width (cr, 8); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_dash (cr, dashes, 2, a*10); + cairo_stroke_preserve (cr); + + cairo_set_source_rgb (cr, 0, 0.5, 1); + cairo_set_line_width (cr, 2); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_dash (cr, 0, 0, 0); + cairo_stroke (cr); + } + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (dash_curve, + "Tries to explore the state space of the dashing code along curves", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + 25*60, 4*60, + NULL, draw) diff --git a/test/dash-infinite-loop.c b/test/dash-infinite-loop.c new file mode 100644 index 000000000..a3d75442c --- /dev/null +++ b/test/dash-infinite-loop.c @@ -0,0 +1,83 @@ +/* + * Copyright © 2009 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ + +#include "cairo-test.h" + +/* When faced with very small dash lengths the stroker is liable to + * get stuck in an infinite loop when advancing the dash offset. This + * test attempts to hit each of the locations in the stroker code + * where the dash offset is advanced in a loop. + * + * Reported to the cairo mailing list by Hans Breuer. + * http://lists.cairographics.org/archives/cairo/2009-June/017506.html + */ + +#define EPS 1e-30 +/* This should be comfortably smaller than the unit epsilon of the + * floating point type used to advance the dashing, yet not small + * enough that it underflows to zero. 1e-30 works to foil up to 80 + * bit extended precision arithmetic. We want to avoid zero dash + * lengths because those trigger special processing in the stroker. */ + +static void +do_dash (cairo_t *cr, double dx, double dy, double offset) +{ + /* Set the dash pattern to be predominantly ON so that we can + * create a reference image by just ignoring the dashing. */ + static double dash[] = { EPS, EPS/512 }; + cairo_set_dash (cr, dash, 2, offset); + cairo_move_to (cr, 10, 10); + cairo_rel_line_to (cr, dx, dy); + cairo_stroke (cr); + cairo_translate (cr, dx, dy); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + (void)width; (void)height; + + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0,0,0); + + cairo_set_line_width (cr, 10); + + /* The following calls will wedge in various places that try + * to advance the dashing in a loop inside the stroker. */ + do_dash (cr, 30, 30, 0); /* _cairo_stroker_line_to_dashed */ + do_dash (cr, 30, 0, 0); /* _cairo_rectilinear_stroker_line_to_dashed */ + do_dash (cr, 30, 30, 1); /* _cairo_stroker_dash_start */ + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (dash_infinite_loop, + "Test dashing with extremely small dash lengths.", + "dash", + NULL, + 100, 100, + NULL, draw); diff --git a/test/dash-no-dash.c b/test/dash-no-dash.c new file mode 100644 index 000000000..e03094ad4 --- /dev/null +++ b/test/dash-no-dash.c @@ -0,0 +1,87 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" +#include <stdlib.h> + +#define PAD 1 +#define LINE_WIDTH 2 +#define HEIGHT (PAD + 4 * (LINE_WIDTH + PAD)) +#define WIDTH 16 + +static void +line (cairo_t *cr) +{ + cairo_move_to (cr, PAD, 0.0); + cairo_line_to (cr, WIDTH - PAD, 0.0); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dash = 2.0; + + /* We draw in black, so paint white first. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_translate (cr, 0.0, PAD + LINE_WIDTH / 2); + + /* First draw a solid line... */ + line (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0.0, LINE_WIDTH + PAD); + + /* then a dashed line... */ + cairo_set_dash (cr, &dash, 1, 0.0); + line (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0.0, LINE_WIDTH + PAD); + + /* back to solid... */ + cairo_set_dash (cr, NULL, 0, 0.0); + line (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0.0, LINE_WIDTH + PAD); + + /* and finally, back to dashed. */ + cairo_set_dash (cr, &dash, 1, 0.0); + line (cr); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (dash_no_dash, + "Tests that we can actually turn dashing on and off again", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/dash-offset-negative.c b/test/dash-offset-negative.c new file mode 100644 index 000000000..8766cc576 --- /dev/null +++ b/test/dash-offset-negative.c @@ -0,0 +1,100 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Owen Taylor <otaylor@redhat.com> + */ + +#include "cairo-test.h" + +#define IMAGE_WIDTH 19 +#define IMAGE_HEIGHT 19 + +/* Basic test of dashed strokes, including a test for the negative + * dash offset bug: + * + * https://bugs.freedesktop.org/show_bug.cgi?id=2729 + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dashes[] = { 1 }; + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_set_line_width (cr, 2); + + /* Basic 1-1 dash pattern */ + cairo_set_dash (cr, dashes, 1, 0.); + + cairo_move_to (cr, 1, 2); + cairo_line_to (cr, 18, 2); + cairo_stroke (cr); + + /* Adjust path by 0.5. Ideally this would give a constant 50% + * gray, (but does not due to the location of the regular sample + * grid points. */ + cairo_move_to (cr, 1.5, 5); + cairo_line_to (cr, 18., 5); + cairo_stroke (cr); + + /* Offset dash by 0.5, rather than the path */ + cairo_set_dash (cr, dashes, 1, 0.5); + + cairo_move_to (cr, 1, 8); + cairo_line_to (cr, 18, 8); + cairo_stroke (cr); + + /* Now, similar tests with negative dash offsets. */ + + /* Basic 1-1 dash pattern dashing */ + cairo_set_dash (cr, dashes, 1, -4); + + cairo_move_to (cr, 1, 11); + cairo_line_to (cr, 18, 11); + cairo_stroke (cr); + + /* Adjust path by 0.5 */ + cairo_move_to (cr, 1.5, 14); + cairo_line_to (cr, 18., 14); + cairo_stroke (cr); + + /* Offset dash by 0.5 */ + cairo_set_dash (cr, dashes, 1, -3.5); + + cairo_move_to (cr, 1, 17); + cairo_line_to (cr, 18, 17); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (dash_offset_negative, + "Tests cairo_set_dash with a negative offset", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/dash-offset.c b/test/dash-offset.c new file mode 100644 index 000000000..f4269ee13 --- /dev/null +++ b/test/dash-offset.c @@ -0,0 +1,83 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2009 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +/* Lengths of the dashes of the dash patterns */ +static const double dashes[] = { 2, 2, 4, 4 }; +/* Dash offset in userspace units + * They always grow by 2, so the dash pattern is + * should be shifted by the same amount each time */ +static const double frac_offset[] = { 0, 2, 4, 6 }; +/* Dash offset relative to the whole dash pattern + * This corresponds to the non-inverted part only if + * the dash pattern has odd length, so the expected result + * is the same for every int_offset if the pattern has + * even length, and inverted each time (or shifted by half + * period, which is the same) if the pattern has odd length. */ +static const double int_offset[] = { -2, -1, 0, 1, 2 }; + +#define PAD 6 +#define STROKE_LENGTH 32 +#define IMAGE_WIDTH (PAD + (STROKE_LENGTH + PAD) * ARRAY_LENGTH (dashes)) +#define IMAGE_HEIGHT (PAD + PAD * ARRAY_LENGTH (int_offset) + PAD * ARRAY_LENGTH (frac_offset) * ARRAY_LENGTH (int_offset)) + + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double total; + size_t i, j, k; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_set_line_width (cr, 2); + + total = 0.0; + for (k = 0; k < ARRAY_LENGTH (dashes); ++k) { + total += dashes[k]; + for (i = 0; i < ARRAY_LENGTH (frac_offset); ++i) { + for (j = 0; j < ARRAY_LENGTH (int_offset); ++j) { + cairo_set_dash (cr, dashes, k + 1, frac_offset[i] + total * int_offset[j]); + cairo_move_to (cr, (STROKE_LENGTH + PAD) * k + PAD, PAD * (i + j + ARRAY_LENGTH (frac_offset) * j + 1)); + cairo_line_to (cr, (STROKE_LENGTH + PAD) * (k + 1), PAD * (i + j + ARRAY_LENGTH (frac_offset) * j + 1)); + cairo_stroke (cr); + } + } + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (dash_offset, + "Tests dashes of different length with various offsets", + "stroke, dash", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/dash-scale.c b/test/dash-scale.c new file mode 100644 index 000000000..fd5170255 --- /dev/null +++ b/test/dash-scale.c @@ -0,0 +1,120 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 8. +#define SIZE (5 * LINE_WIDTH) +#define PAD (2 * LINE_WIDTH) + +static void +make_path (cairo_t *cr) +{ + cairo_move_to (cr, 0., 0.); + cairo_rel_line_to (cr, 0., SIZE); + cairo_rel_line_to (cr, SIZE, 0.); + cairo_close_path (cr); + + cairo_move_to (cr, 2 * LINE_WIDTH, 0.); + cairo_rel_line_to (cr, 3 * LINE_WIDTH, 0.); + cairo_rel_line_to (cr, 0., 3 * LINE_WIDTH); +} + +static void +draw_three_shapes (cairo_t *cr) +{ + cairo_save (cr); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dash[] = {1.5 * LINE_WIDTH}; + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, PAD, PAD); + + cairo_set_dash (cr, dash, ARRAY_LENGTH (dash), - 2 * LINE_WIDTH); + cairo_set_line_width (cr, LINE_WIDTH); + draw_three_shapes (cr); + + cairo_translate (cr, 0, SIZE + 2 * PAD); + + cairo_save (cr); + { + cairo_set_dash (cr, dash, ARRAY_LENGTH (dash), - 2 * LINE_WIDTH); + cairo_set_line_width (cr, LINE_WIDTH); + cairo_scale (cr, 1, 2); + draw_three_shapes (cr); + } + cairo_restore (cr); + + cairo_translate (cr, 0, 2 * (SIZE + PAD)); + + cairo_save (cr); + { + cairo_scale (cr, 1, 2); + cairo_set_dash (cr, dash, ARRAY_LENGTH (dash), - 2 * LINE_WIDTH); + cairo_set_line_width (cr, LINE_WIDTH); + draw_three_shapes (cr); + } + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (dash_scale, + "Test interactions of cairo_set_dash and cairo_scale, (in particular with a non-uniformly scaled pen)", + "dash, stroke, transform", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + PAD + 5 * SIZE + 2 * (2 * PAD) + PAD, + NULL, draw) diff --git a/test/dash-state.c b/test/dash-state.c new file mode 100644 index 000000000..5276aeaa6 --- /dev/null +++ b/test/dash-state.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2007 Jeff Smith + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Jeff Smith not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Jeff Smith makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JEFF SMITH DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL JEFF SMITH BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Jeff Smith <whydoubt@yahoo.com> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dashes[2] = {20, 20}; + int a=0, b=0, c=0; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + for (a=0; a<4; a++) + for (b=0; b<5; b++) + for (c=0; c<5; c++) { + cairo_move_to (cr, ((b*5)+c)*60+10, a*60+10); + cairo_rel_line_to (cr, 0, b*10); + cairo_rel_line_to (cr, c*10, 0); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_set_line_width (cr, 8); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_dash (cr, dashes, 2, a*10); + cairo_stroke_preserve (cr); + + cairo_set_source_rgb (cr, 0, 0.5, 1); + cairo_set_line_width (cr, 2); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_dash (cr, 0, 0, 0); + cairo_stroke (cr); + } + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (dash_state, + "Tries to explore the state space of the dashing code", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + 25*60, 4*60, + NULL, draw) diff --git a/test/dash-zero-length.c b/test/dash-zero-length.c new file mode 100644 index 000000000..5ab944bb7 --- /dev/null +++ b/test/dash-zero-length.c @@ -0,0 +1,110 @@ +/* + * Copyright © 2006 Jeff Muizelaar + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Jeff Muizelaar. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Jeff Muizelaar. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JEFF MUIZELAAR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL JEFF MUIZELAAR BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Jeff Muizelaar <jeff@infidigm.net> + */ + +#include "cairo-test.h" + +#define IMAGE_WIDTH 19 +#define IMAGE_HEIGHT 61 + +/* A test of the two extremes of dashing: a solid line + * and an invisible one. Also test that capping works + * on invisible lines. + */ + +static void +draw_dash (cairo_t *cr, double *dash, int num_dashes) +{ + cairo_set_dash (cr, dash, num_dashes, 0.0); + cairo_move_to (cr, 1, 2); + cairo_line_to (cr, 18, 2); + cairo_stroke (cr); + cairo_translate (cr, 0, 3); +} +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + static double solid_line[] = { 4, 0 }; + static double invisible_line[] = { 0, 4 }; + static double dotted_line[] = { 0, 6 }; + static double zero_1_of_3[] = { 0, 2, 3 }; + static double zero_2_of_3[] = { 1, 0, 3 }; + static double zero_3_of_3[] = { 1, 2, 0 }; + static double zero_1_of_4[] = { 0, 2, 3, 4 }; + static double zero_2_of_4[] = { 1, 0, 3, 4 }; + static double zero_3_of_4[] = { 1, 2, 0, 4 }; + static double zero_4_of_4[] = { 1, 2, 3, 0 }; + static double zero_1_2_of_4[] = { 0, 0, 3, 4 }; + static double zero_1_3_of_4[] = { 0, 2, 0, 4 }; +/* Clearly it would be nice to draw this one as well, but it seems to trigger a bug in ghostscript. */ +#if BUG_FIXED_IN_GHOSTSCRIPT + static double zero_1_4_of_4[] = { 0, 2, 3, 0 }; +#endif + static double zero_2_3_of_4[] = { 1, 0, 0, 4 }; + static double zero_2_4_of_4[] = { 1, 0, 3, 0 }; + static double zero_3_4_of_4[] = { 1, 2, 0, 0 }; + static double zero_1_2_3_of_4[] = { 0, 0, 0, 4 }; + static double zero_1_2_4_of_4[] = { 0, 0, 3, 0 }; + static double zero_1_3_4_of_4[] = { 0, 2, 0, 0 }; + static double zero_2_3_4_of_4[] = { 1, 0, 0, 0 }; + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_set_line_width (cr, 2); + + draw_dash (cr, solid_line, 2); + draw_dash (cr, invisible_line, 2); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + draw_dash (cr, dotted_line, 2); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + + draw_dash (cr, zero_1_of_3, 3); + draw_dash (cr, zero_2_of_3, 3); + draw_dash (cr, zero_3_of_3, 3); + draw_dash (cr, zero_1_of_4, 4); + draw_dash (cr, zero_2_of_4, 4); + draw_dash (cr, zero_3_of_4, 4); + draw_dash (cr, zero_4_of_4, 4); + draw_dash (cr, zero_1_2_of_4, 4); + draw_dash (cr, zero_1_3_of_4, 4); +#if BUG_FIXED_IN_GHOSTSCRIPT + draw_dash (cr, zero_1_4_of_4, 4); +#endif + draw_dash (cr, zero_2_3_of_4, 4); + draw_dash (cr, zero_2_4_of_4, 4); + draw_dash (cr, zero_3_4_of_4, 4); + draw_dash (cr, zero_1_2_3_of_4, 4); + draw_dash (cr, zero_1_2_4_of_4, 4); + draw_dash (cr, zero_1_3_4_of_4, 4); + draw_dash (cr, zero_2_3_4_of_4, 4); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (dash_zero_length, + "Tests cairo_set_dash with zero length", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/degenerate-arc.c b/test/degenerate-arc.c new file mode 100644 index 000000000..ab6577421 --- /dev/null +++ b/test/degenerate-arc.c @@ -0,0 +1,74 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* This test case exercises a "Potential division by zero in cairo_arc" + * reported by Luiz Americo Pereira Camara <luizmed@oi.com.br>, + * http://lists.cairographics.org/archives/cairo/2008-May/014054.html. + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int n; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + + cairo_set_line_width (cr, 5); + cairo_set_source_rgb (cr, 0, 1, 0); + for (n = 0; n < 8; n++) { + double theta = n * 2 * M_PI / 8; + cairo_new_sub_path (cr); + cairo_arc (cr, 20, 20, 15, theta, theta); + cairo_close_path (cr); + } + cairo_stroke (cr); + + cairo_set_line_width (cr, 2); + cairo_set_source_rgb (cr, 0, 0, 1); + for (n = 0; n < 8; n++) { + double theta = n * 2 * M_PI / 8; + cairo_move_to (cr, 20, 20); + cairo_arc (cr, 20, 20, 15, theta, theta); + } + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_arc (cr, 20, 20, 2, 0, 2*M_PI); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (degenerate_arc, + "Tests the behaviour of degenerate arcs", + "degenerate", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) diff --git a/test/degenerate-arcs.c b/test/degenerate-arcs.c new file mode 100644 index 000000000..2470828bb --- /dev/null +++ b/test/degenerate-arcs.c @@ -0,0 +1,57 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 20 +#define HEIGHT 20 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.3, 0.4, 0.5); + + /* This should be equivalent to a simple rectangle, such as may be + * constructed for a rounded-rectangle with corner radii of 0... + */ + cairo_arc (cr, 5, 5, 0, M_PI, 3*M_PI/2); + cairo_arc (cr, 15, 5, 0, 3*M_PI/2, 2*M_PI); + cairo_arc (cr, 15, 15, 0, 0, M_PI/2); + cairo_arc (cr, 5, 15, 0, M_PI/2, M_PI); + + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (degenerate_arcs, + "Tests path construction using a series of degenerate (radius=0) arcs", + "arc, fill", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/degenerate-curve-to.c b/test/degenerate-curve-to.c new file mode 100644 index 000000000..a081a3bb0 --- /dev/null +++ b/test/degenerate-curve-to.c @@ -0,0 +1,103 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 30 + +/* Another attempt at avoiding unnecessary splines was made, where + * a curve-to that ended on the same point as it began were discarded. + */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_line_width (cr, 1.0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + /* entirely degenerate */ + cairo_move_to (cr, + 2.5, 2.5); + cairo_curve_to (cr, + 2.5, 2.5, + 2.5, 2.5, + 2.5, 2.5); + cairo_stroke (cr); + + /* horizontal */ + cairo_move_to (cr, + 5.5, 2.5); + cairo_curve_to (cr, + 22.0, 2.5, + -0.5, 2.5, + 5.5, 2.5); + cairo_stroke (cr); + + /* vertical */ + cairo_move_to (cr, + 7.5, 0.0); + cairo_curve_to (cr, + 7.5, 11.0, + 7.5, 0.0, + 7.5, 0.0); + cairo_stroke (cr); + + cairo_translate (cr, 15, 0); + + /* horizontal/vertical */ + cairo_move_to (cr, + 5.5, 0.5); + cairo_curve_to (cr, + -0.5, 0.5, + 5.5, 10.5, + 5.5, 0.5); + + cairo_translate (cr, 10, 0); + + /* vertical/horizontal */ + cairo_move_to (cr, + 5.5, 0.0); + cairo_curve_to (cr, + 5.5, 11.0, + 10.5, 0.0, + 5.5, 0.0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (degenerate_curve_to, + "Test optimization treating degenerate curve_to as line_to", + "path", /* keywords */ + NULL, /* requirements */ + 40, + 5, + NULL, draw) diff --git a/test/degenerate-dash.c b/test/degenerate-dash.c new file mode 100644 index 000000000..6e7bf6b37 --- /dev/null +++ b/test/degenerate-dash.c @@ -0,0 +1,90 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + * + * Based on an original test case by M Joonas Pihlaja. + */ + +#include "cairo-test.h" + +#define PAD 5 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const double dashes[] = { 25, 25 }; + cairo_line_join_t joins[] = { + CAIRO_LINE_JOIN_ROUND, + CAIRO_LINE_JOIN_MITER, + CAIRO_LINE_JOIN_BEVEL + }; + cairo_line_cap_t caps[] = { + CAIRO_LINE_CAP_ROUND, + CAIRO_LINE_CAP_SQUARE, + CAIRO_LINE_CAP_BUTT, + }; + int i, j; + + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + + cairo_set_dash (cr, dashes, 2, 0.); + cairo_set_line_width (cr, 10); + + cairo_translate (cr, 5 + PAD, 5 + PAD); + + for (i = 0; i < ARRAY_LENGTH (joins); i++) { + cairo_set_line_join (cr, joins[i]); + cairo_save (cr); + + for (j = 0; j < ARRAY_LENGTH (caps); j++) { + cairo_set_line_cap (cr, caps[j]); + + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 50, 0); + cairo_line_to (cr, 50,50); + cairo_stroke (cr); + + cairo_translate (cr, 75, 0); + } + cairo_restore (cr); + + cairo_translate (cr, 0, 75); + } + + return CAIRO_TEST_SUCCESS; +} + +/* + * XFAIL: needs path editing in PS to convert degenerate + * end-caps into the shapes as expected by cairo (Or maybe PS is the correct + * behaviour?) + */ +CAIRO_TEST (degenerate_dash, + "Tests the behaviour of dashed segments that end on a off-on transition", + "dash, degenerate", /* keywords */ + NULL, /* requirementts */ + 210 + 2*PAD, 210 + 2*PAD, + NULL, draw) diff --git a/test/degenerate-linear-gradient.c b/test/degenerate-linear-gradient.c new file mode 100644 index 000000000..0d174fc89 --- /dev/null +++ b/test/degenerate-linear-gradient.c @@ -0,0 +1,81 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define NUM_EXTEND 4 +#define HEIGHT 16 +#define WIDTH 16 +#define PAD 3 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + unsigned int j; + + cairo_extend_t extend[NUM_EXTEND] = { + CAIRO_EXTEND_NONE, + CAIRO_EXTEND_REPEAT, + CAIRO_EXTEND_REFLECT, + CAIRO_EXTEND_PAD + }; + + cairo_test_paint_checkered (cr); + + pattern = cairo_pattern_create_linear (WIDTH/2, HEIGHT/2, WIDTH/2, HEIGHT/2); + + cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 0, 0, 1); + cairo_pattern_add_color_stop_rgba (pattern, sqrt (1.0 / 2.0), 0, 1, 0, 0); + cairo_pattern_add_color_stop_rgba (pattern, 1, 0, 0, 1, 0.5); + + cairo_translate (cr, PAD, PAD); + + for (j = 0; j < NUM_EXTEND; j++) { + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + cairo_pattern_set_extend (pattern, extend[j]); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + + cairo_translate (cr, WIDTH+PAD, 0); + } + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (degenerate_linear_gradient, + "Tests degenerate linear gradients", + "linear, pattern, extend", /* keywords */ + NULL, /* requirements */ + (WIDTH+PAD) * NUM_EXTEND + PAD, 1*(HEIGHT + PAD) + PAD, + NULL, draw) diff --git a/test/degenerate-path.c b/test/degenerate-path.c new file mode 100644 index 000000000..aa5f8225b --- /dev/null +++ b/test/degenerate-path.c @@ -0,0 +1,120 @@ +/* + * Copyright © 2006 Jeff Muizelaar + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Jeff Muizelaar not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Jeff Muizelaar makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JEFF MUIZELAAR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL JEFF MUIZELAAR BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Jeff Muizelaar <jeff@infidigm.net> + */ + +#include "cairo-test.h" + +#define PAD 3.0 +#define LINE_WIDTH 6.0 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_line_cap_t cap[] = { CAIRO_LINE_CAP_ROUND, CAIRO_LINE_CAP_SQUARE, CAIRO_LINE_CAP_BUTT }; + size_t i; + double dash[] = {2, 2}; + double dash_long[] = {6, 6}; + + cairo_set_source_rgb (cr, 1, 0, 0); + + for (i = 0; i < ARRAY_LENGTH (cap); i++) { + cairo_save (cr); + + cairo_set_line_cap (cr, cap[i]); + + /* simple degenerate paths */ + cairo_set_line_width (cr, LINE_WIDTH); + cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_stroke (cr); + + cairo_translate (cr, 0, 3*PAD); + cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_close_path (cr); + cairo_stroke (cr); + + /* degenerate paths starting with dash on */ + cairo_set_dash (cr, dash, 2, 0.); + + cairo_translate (cr, 0, 3*PAD); + cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_stroke (cr); + + cairo_translate (cr, 0, 3*PAD); + cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_close_path (cr); + cairo_stroke (cr); + + /* degenerate paths starting with dash off */ + /* these should not draw anything */ + cairo_set_dash (cr, dash, 2, 2.); + + cairo_translate (cr, 0, 3*PAD); + cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_stroke (cr); + + cairo_translate (cr, 0, 3*PAD); + cairo_move_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_close_path (cr); + cairo_stroke (cr); + + /* this should draw a single degenerate sub-path + * at the end of the path */ + cairo_set_dash (cr, dash_long, 2, 6.); + + cairo_translate (cr, 0, 3*PAD); + cairo_move_to (cr, LINE_WIDTH + 6.0, LINE_WIDTH); + cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_stroke (cr); + + /* this should draw a single degenerate sub-path + * at the end of the path. The difference between this + * and the above is that this ends with a degenerate sub-path*/ + cairo_set_dash (cr, dash_long, 2, 6.); + + cairo_translate (cr, 0, 3*PAD); + cairo_move_to (cr, LINE_WIDTH + 6.0, LINE_WIDTH); + cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_line_to (cr, LINE_WIDTH, LINE_WIDTH); + cairo_stroke (cr); + + cairo_restore (cr); + + cairo_translate (cr, PAD+LINE_WIDTH+PAD, 0); + } + return CAIRO_TEST_SUCCESS; +} + +/* + * XFAIL: undefined behaviour in PS, needs path editing to convert degenerate + * segments into circles/rectangles as expected by cairo + */ +CAIRO_TEST (degenerate_path, + "Tests the behaviour of degenerate paths with different cap types", + "degenerate", /* keywords */ + NULL, /* requirements */ + 3*(PAD+LINE_WIDTH+PAD), 8*(LINE_WIDTH+PAD) + PAD, + NULL, draw) diff --git a/test/degenerate-pen.c b/test/degenerate-pen.c new file mode 100644 index 000000000..ec8bd198a --- /dev/null +++ b/test/degenerate-pen.c @@ -0,0 +1,105 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 20 +#define PAD 5 +#define WIDTH (PAD + 3 * (PAD + SIZE) + PAD) +#define HEIGHT (PAD + SIZE + PAD) + +/* We're demonstrating here a bug originally reported by Benjamin Otte + * on the cairo mailing list here, (after he ran into this problem + * with various flash animations): + * + * [cairo] Assertion `i < pen->num_vertices' failed in 1.4.10 + * http://lists.cairographics.org/archives/cairo/2007-August/011282.html + * + * The problem shows up with an extreme transformation matrix that + * collapses the pen to a single line, (which means that + * _cairo_slope_compare cannot handle adjacent vertices in the pen + * since they have parallel slope). + * + * This test case tests degenerate pens in several directions and uses + * round caps to force the stroking code to attempt to walk around the + * pen doing slope comparisons. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + + cairo_translate (cr, PAD, PAD); + + /* First compress the pen to a vertical line. */ + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_curve_to (cr, SIZE / 2, 0, SIZE, SIZE / 2, SIZE, SIZE); + cairo_save (cr); + { + cairo_scale (cr, 0.000001, 1.0); + cairo_stroke (cr); + } + cairo_restore (cr); + + cairo_translate (cr, PAD + SIZE, 0); + + /* Then compress the pen to a horizontal line. */ + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_curve_to (cr, SIZE / 2, 0, SIZE, SIZE / 2, SIZE, SIZE); + cairo_save (cr); + { + cairo_scale (cr, 1.0, 0.000001); + cairo_stroke (cr); + } + cairo_restore (cr); + + cairo_translate (cr, PAD + SIZE, 0); + + /* Finally a line at an angle. */ + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_curve_to (cr, SIZE / 2, 0, SIZE, SIZE / 2, SIZE, SIZE); + cairo_save (cr); + { + cairo_rotate (cr, M_PI / 4.0); + cairo_scale (cr, 0.000001, 1.0); + cairo_stroke (cr); + } + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (degenerate_pen, + "Test round joins with a pen that's transformed to a line", + "degenerate", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/degenerate-radial-gradient.c b/test/degenerate-radial-gradient.c new file mode 100644 index 000000000..14666450e --- /dev/null +++ b/test/degenerate-radial-gradient.c @@ -0,0 +1,93 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define NUM_EXTEND 4 +#define HEIGHT 32 +#define WIDTH 32 +#define PAD 6 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + unsigned int i, j; + + cairo_extend_t extend[NUM_EXTEND] = { + CAIRO_EXTEND_NONE, + CAIRO_EXTEND_REPEAT, + CAIRO_EXTEND_REFLECT, + CAIRO_EXTEND_PAD + }; + + cairo_test_paint_checkered (cr); + + cairo_translate (cr, PAD, PAD); + + for (i = 0; i < 3; i++) { + cairo_save (cr); + + for (j = 0; j < NUM_EXTEND; j++) { + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + if (i == 0) + pattern = cairo_pattern_create_radial (WIDTH/2, HEIGHT/2, 0, WIDTH/2, HEIGHT/2, 0); + else if (i == 1) + pattern = cairo_pattern_create_radial (WIDTH/2, HEIGHT/2, 2*PAD, WIDTH/2, HEIGHT/2, 2*PAD); + else if (i == 2) + pattern = cairo_pattern_create_radial (PAD, PAD, 0, WIDTH-PAD, HEIGHT-PAD, 0); + + cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 0, 0, 1); + cairo_pattern_add_color_stop_rgba (pattern, sqrt (1.0 / 2.0), 0, 1, 0, 0); + cairo_pattern_add_color_stop_rgba (pattern, 1, 0, 0, 1, 0.5); + + cairo_pattern_set_extend (pattern, extend[j]); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + + cairo_pattern_destroy (pattern); + + cairo_translate (cr, WIDTH+PAD, 0); + } + + cairo_restore (cr); + cairo_translate (cr, 0, HEIGHT+PAD); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (degenerate_radial_gradient, + "Tests degenerate radial gradients", + "radial, pattern, extend", /* keywords */ + NULL, /* requirements */ + (WIDTH+PAD) * NUM_EXTEND + PAD, 3*(HEIGHT + PAD) + PAD, + NULL, draw) diff --git a/test/degenerate-rel-curve-to.c b/test/degenerate-rel-curve-to.c new file mode 100644 index 000000000..d7c0523c6 --- /dev/null +++ b/test/degenerate-rel-curve-to.c @@ -0,0 +1,99 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 30 + +/* Another attempt at avoiding unnecessary splines was made, where + * a curve-to that ended on the same point as it began were discarded. + * The same bug was made to rel-curve-to as well, hence this test. + */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_line_width (cr, 1.0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + /* entirely degenerate */ + cairo_move_to (cr, 2.5, 2.5); + cairo_rel_curve_to (cr, + 0., 0., + 0., 0., + 0., 0.); + cairo_stroke (cr); + + /* horizontal */ + cairo_move_to (cr, 5.5, 2.5); + cairo_rel_curve_to (cr, + 10., 0., + -10., 0., + 0., 0.); + cairo_stroke (cr); + + /* vertical */ + cairo_move_to (cr, 5.5, 2.5); + cairo_rel_curve_to (cr, + 0., 10., + 0., -10., + 0., 0.); + cairo_stroke (cr); + + cairo_translate (cr, 15, 0); + + /* horizontal/vertical */ + cairo_move_to (cr, 5.5, 0.5); + cairo_rel_curve_to (cr, + -6., 0., + 0., 10., + 0., 0.); + + cairo_translate (cr, 10, 0); + + /* vertical/horizontal */ + cairo_move_to (cr, 5.5, 0.0); + cairo_rel_curve_to (cr, + 0., 11., + 5., 0., + 0., 0.); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (degenerate_rel_curve_to, + "Test optimization treating degenerate rel-curve-to as line-to", + "path", /* keywords */ + NULL, /* requirements */ + 40, + 5, + NULL, draw) diff --git a/test/degenerate-solid-dash.c b/test/degenerate-solid-dash.c new file mode 100644 index 000000000..293a80899 --- /dev/null +++ b/test/degenerate-solid-dash.c @@ -0,0 +1,69 @@ +/* + * Copyright © 2012 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const double dashes_1[] = { 10, 0 }; + const double dashes_2[] = { 10, 0, 10, 10}; + const double dashes_3[] = { 10, 0, 10, 0}; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_set_line_width (cr, 6); + + cairo_set_dash (cr, NULL, 0, 0); + cairo_rectangle (cr, 10, 10, 30, 30); + cairo_stroke (cr); + + cairo_translate (cr, 50, 0); + cairo_set_dash (cr, dashes_1, 2, 0); + cairo_rectangle (cr, 10, 10, 30, 30); + cairo_stroke (cr); + + cairo_translate (cr, 0, 50); + cairo_set_dash (cr, dashes_2, 4, 0); + cairo_rectangle (cr, 10, 10, 30, 30); + cairo_stroke (cr); + + cairo_translate (cr, -50, 0); + cairo_set_dash (cr, dashes_3, 4, 0); + cairo_rectangle (cr, 10, 10, 30, 30); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (degenerate_solid_dash, + "Exercises degenerate dash ellison", + "stroke, dash", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, draw) diff --git a/test/device-offset-fractional.c b/test/device-offset-fractional.c new file mode 100644 index 000000000..adc21161f --- /dev/null +++ b/test/device-offset-fractional.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 10 +#define PAD 4 +#define COUNT 4 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_t *cr2; + int i,j; + + /* Fill the background */ + cairo_set_source_rgb (cr, 1, 1, 1); /* white */ + cairo_paint (cr); + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SIZE, SIZE); + cr2 = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr2, 0, 0, 1); /* blue */ + cairo_paint (cr2); + + cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + for (i = 0; i < COUNT; i++) { + for (j = 0; j < COUNT; j++) { + cairo_surface_set_device_offset (surface, + -i*(SIZE+PAD+.5)-PAD, + -j*(SIZE+PAD+.5)-PAD); + cairo_paint (cr); + } + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (device_offset_fractional, + "Test using image surfaces with fractional device-offsets as sources.", + "device-offset", /* keywords */ + NULL, /* requirements */ + COUNT*(SIZE+PAD+.5)+PAD, COUNT*(SIZE+PAD+.5)+PAD, + NULL, draw) diff --git a/test/device-offset-positive.c b/test/device-offset-positive.c new file mode 100644 index 000000000..5afe9730d --- /dev/null +++ b/test/device-offset-positive.c @@ -0,0 +1,82 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" +#include <stddef.h> + +#define SIZE 10 +#define PAD 2 + +static void +draw_square (cairo_t *cr) +{ + cairo_rectangle (cr, + PAD, PAD, + SIZE - 2 * PAD, + SIZE - 2 * PAD); + cairo_fill (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface, *target; + cairo_t *cr2; + + /* First draw a shape in blue on the original destination. */ + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + draw_square (cr); + + /* Then, create an offset surface and repeat the drawing in red. */ + target = cairo_get_group_target (cr); + surface = cairo_surface_create_similar (target, + cairo_surface_get_content (target), + SIZE / 2, SIZE / 2); + cr2 = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr2, 1, 0, 0); /* red */ + draw_square (cr2); + + /* Finally, copy the offset surface to the original destination. + * The final result should be a blue square with the upper-left + * quarter red. */ + surface = cairo_surface_reference (cairo_get_target (cr2)); + cairo_destroy (cr2); + cairo_surface_set_device_offset (surface, + SIZE / 2, + SIZE / 2); + cairo_set_source_surface (cr, surface, SIZE / 2, SIZE / 2); + cairo_surface_destroy (surface); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (device_offset_positive, + "Simple test using a surface with a positive device-offset as a source.", + "device-offset", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/device-offset-scale.c b/test/device-offset-scale.c new file mode 100644 index 000000000..33784fa8b --- /dev/null +++ b/test/device-offset-scale.c @@ -0,0 +1,77 @@ +/* + * Copyright © 2008 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Michael Ventnor, Jeff Muizelaar + */ + +#include "cairo-test.h" + +#define WIDTH 20 +#define HEIGHT 20 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *second; + cairo_t *second_cr; + + /* fill with black so we don't need an rgb test case */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + cairo_scale (cr, 0.5, 0.5); + + /* draw the first rectangle */ + cairo_set_source_rgb (cr, 0, 0, 0.4); + cairo_rectangle (cr, 6, 6, 10, 10); + cairo_fill (cr); + + /* adjust the offset so that the second rectangle will fit on the surface */ + second = cairo_image_surface_create (CAIRO_FORMAT_A8, 10, 10); + cairo_surface_set_device_offset (second, -6, -6); + + /* draw the second rectangle: + * this rectangle should end up in the same place as the rectangle above + * independent of the device offset of the surface it is painted on*/ + second_cr = cairo_create (second); + cairo_surface_destroy (second); + cairo_rectangle (second_cr, 6, 6, 10, 10); + cairo_fill (second_cr); + + /* paint the second rectangle on top of the first rectangle */ + cairo_set_source_rgb (cr, 0.5, 0.5, 0); + cairo_mask_surface (cr, cairo_get_target (second_cr), 0, 0); + cairo_destroy (second_cr); + + return CAIRO_TEST_SUCCESS; +} + +/* + * XFAIL: complication of pre-multiplying device_offset into the pattern_matrix + * and then requiring further manipulation for SVG + */ +CAIRO_TEST (device_offset_scale, + "Test that the device-offset transform is transformed by the ctm.", + "device-offset", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/device-offset.c b/test/device-offset.c new file mode 100644 index 000000000..1bf5283bd --- /dev/null +++ b/test/device-offset.c @@ -0,0 +1,82 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" +#include <stddef.h> + +#define SIZE 10 +#define PAD 2 + +static void +draw_square (cairo_t *cr) +{ + cairo_rectangle (cr, + PAD, PAD, + SIZE - 2 * PAD, + SIZE - 2 * PAD); + cairo_fill (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface, *target; + cairo_t *cr2; + + /* First draw a shape in blue on the original destination. */ + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + draw_square (cr); + + /* Then, create an offset surface and repeat the drawing in red. */ + target = cairo_get_group_target (cr); + surface = cairo_surface_create_similar (target, + cairo_surface_get_content (target), + SIZE / 2, SIZE / 2); + cairo_surface_set_device_offset (surface, - SIZE / 2, - SIZE / 2); + cr2 = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr2, 1, 0, 0); /* red */ + draw_square (cr2); + + + /* Finally, copy the offset surface to the original destination. + * The final result should be a blue square with the lower-right + * quarter red. */ + cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + cairo_paint (cr); + + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (device_offset, + "Simple test using a surface with a negative device-offset as a source.", + "device-offset", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/drunkard-tails.c b/test/drunkard-tails.c new file mode 100644 index 000000000..f55c7becf --- /dev/null +++ b/test/drunkard-tails.c @@ -0,0 +1,135 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (5 * LINE_WIDTH) +#define PAD (3 * LINE_WIDTH) + +static uint32_t state; + +static double +uniform_random (double minval, double maxval) +{ + static uint32_t const poly = 0x9a795537U; + uint32_t n = 32; + while (n-->0) + state = 2*state < state ? (2*state ^ poly) : 2*state; + return minval + state * (maxval - minval) / 4294967296.0; +} + +static void +make_path (cairo_t *cr) +{ + int i; + + state = 0xdeadbeef; + + cairo_move_to (cr, SIZE/2, SIZE/2); + for (i = 0; i < 200; i++) { + double theta = uniform_random (-M_PI, M_PI); + cairo_rel_line_to (cr, + cos (theta) * LINE_WIDTH / 4, + sin (theta) * LINE_WIDTH / 4); + } +} + +static void +draw_caps_joins (cairo_t *cr) +{ + cairo_save (cr); + + cairo_translate (cr, PAD, PAD); + + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_clip (cr); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_clip (cr); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + PAD, 0.); + + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_clip (cr); + + make_path (cr); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_set_line_width (cr, LINE_WIDTH); + + draw_caps_joins (cr); + + cairo_save (cr); + /* and reflect to generate the opposite vertex ordering */ + cairo_translate (cr, 0, height); + cairo_scale (cr, 1, -1); + + draw_caps_joins (cr); + cairo_restore (cr); + + cairo_translate (cr, 0, SIZE + PAD); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (drunkard_tails, + "Test caps and joins on short tail segments", + "stroke, cap, join", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + 2 * (PAD + SIZE) + PAD, + NULL, draw) + diff --git a/test/egl-oversized-surface.c b/test/egl-oversized-surface.c new file mode 100644 index 000000000..cb85a628d --- /dev/null +++ b/test/egl-oversized-surface.c @@ -0,0 +1,117 @@ +/* + * Copyright © 2014 Samsung Electronics + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Ravi Nanjundappa <nravi.n@samsung.com> + */ + +/* + * This test exercises error scenario for over sized egl surface + * + */ + +#include "cairo-test.h" +#include <cairo-gl.h> +#include <assert.h> +#include <limits.h> + +static cairo_test_status_t +preamble (cairo_test_context_t *test_ctx) +{ + EGLint rgba_attribs[] = { + EGL_RED_SIZE, 8, + EGL_GREEN_SIZE, 8, + EGL_BLUE_SIZE, 8, + EGL_ALPHA_SIZE, 8, + EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, +#if CAIRO_HAS_GL_SURFACE + EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, +#elif CAIRO_HAS_GLESV2_SURFACE + EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, +#endif + EGL_NONE + }; + const EGLint ctx_attribs[] = { +#if CAIRO_HAS_GLESV2_SURFACE + EGL_CONTEXT_CLIENT_VERSION, 2, +#endif + EGL_NONE + }; + + EGLDisplay dpy; + EGLContext ctx; + EGLConfig config; + EGLint numConfigs; + int major, minor; + cairo_device_t *device; + cairo_surface_t *oversized_surface; + cairo_test_status_t test_status = CAIRO_TEST_SUCCESS; + + dpy = eglGetDisplay (EGL_DEFAULT_DISPLAY); + if (! eglInitialize (dpy, &major, &minor)) { + test_status = CAIRO_TEST_UNTESTED; + goto CLEANUP_1; + } + + eglChooseConfig (dpy, rgba_attribs, &config, 1, &numConfigs); + if (numConfigs == 0) { + test_status = CAIRO_TEST_UNTESTED; + goto CLEANUP_1; + } + +#if CAIRO_HAS_GL_SURFACE + eglBindAPI (EGL_OPENGL_API); +#elif CAIRO_HAS_GLESV2_SURFACE + eglBindAPI (EGL_OPENGL_ES_API); +#endif + + ctx = eglCreateContext (dpy, config, EGL_NO_CONTEXT, + ctx_attribs); + if (ctx == EGL_NO_CONTEXT) { + test_status = CAIRO_TEST_UNTESTED; + goto CLEANUP_2; + } + + device = cairo_egl_device_create (dpy, ctx); + + oversized_surface = cairo_gl_surface_create (device, CAIRO_CONTENT_COLOR_ALPHA, INT_MAX, INT_MAX); + if (cairo_surface_status (oversized_surface) != CAIRO_STATUS_INVALID_SIZE) + test_status = CAIRO_TEST_FAILURE; + + cairo_device_destroy (device); + eglDestroyContext (dpy, ctx); + eglMakeCurrent (dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + ctx = EGL_NO_CONTEXT; + +CLEANUP_2: + eglTerminate (dpy); + +CLEANUP_1: + return test_status; +} + +CAIRO_TEST (egl_oversized_surface, + "Test that creating a surface beyond texture limits results in an error surface", + "egl", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/egl-surface-source.c b/test/egl-surface-source.c new file mode 100644 index 000000000..4a84d7042 --- /dev/null +++ b/test/egl-surface-source.c @@ -0,0 +1,135 @@ +/* + * Copyright © 2014 Samsung Electronics + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Ravi Nanjundappa <nravi.n@samsung.com> + */ + +/* + * This case tests using a EGL surface as the source + * + */ + +#include "cairo-test.h" +#include <cairo-gl.h> + +#include "surface-source.c" + +struct closure { + EGLDisplay dpy; + EGLContext ctx; +}; + +static void +cleanup (void *data) +{ + struct closure *arg = data; + + eglDestroyContext (arg->dpy, arg->ctx); + eglMakeCurrent (arg->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + eglTerminate (arg->dpy); + + free (arg); +} + +static cairo_surface_t * +create_source_surface (int size) +{ + EGLint config_attribs[] = { + EGL_RED_SIZE, 8, + EGL_GREEN_SIZE, 8, + EGL_BLUE_SIZE, 8, + EGL_ALPHA_SIZE, 8, + EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, +#if CAIRO_HAS_GL_SURFACE + EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, +#elif CAIRO_HAS_GLESV2_SURFACE + EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, +#endif + EGL_NONE + }; + const EGLint ctx_attribs[] = { +#if CAIRO_HAS_GLESV2_SURFACE + EGL_CONTEXT_CLIENT_VERSION, 2, +#endif + EGL_NONE + }; + + struct closure *arg; + cairo_device_t *device; + cairo_surface_t *surface; + EGLConfig config; + EGLint numConfigs; + EGLDisplay dpy; + EGLContext ctx; + int major, minor; + + dpy = eglGetDisplay (EGL_DEFAULT_DISPLAY); + if (! eglInitialize (dpy, &major, &minor)) { + return NULL; + } + + eglChooseConfig (dpy, config_attribs, &config, 1, &numConfigs); + if (numConfigs == 0) { + return NULL; + } + +#if CAIRO_HAS_GL_SURFACE + eglBindAPI (EGL_OPENGL_API); +#elif CAIRO_HAS_GLESV2_SURFACE + eglBindAPI (EGL_OPENGL_ES_API); +#endif + + ctx = eglCreateContext (dpy, config, EGL_NO_CONTEXT, + ctx_attribs); + if (ctx == EGL_NO_CONTEXT) { + eglTerminate (dpy); + return NULL; + } + + arg = xmalloc (sizeof (struct closure)); + arg->dpy = dpy; + arg->ctx = ctx; + device = cairo_egl_device_create (dpy, ctx); + if (cairo_device_set_user_data (device, + (cairo_user_data_key_t *) cleanup, + arg, + cleanup)) + { + cleanup (arg); + return NULL; + } + + surface = cairo_gl_surface_create (device, + CAIRO_CONTENT_COLOR_ALPHA, + size, size); + cairo_device_destroy (device); + + return surface; +} + +CAIRO_TEST (egl_surface_source, + "Test using a EGL surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) diff --git a/test/error-setters.c b/test/error-setters.c new file mode 100644 index 000000000..ff65ad4f2 --- /dev/null +++ b/test/error-setters.c @@ -0,0 +1,109 @@ +/* + * Copyright © 2010 Red Hat Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Benjamin Otte <otte@redhat.com> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <limits.h> + +#include "cairo-test.h" + +#if CAIRO_HAS_GL_SURFACE +#include <cairo-gl.h> +#endif +#if CAIRO_HAS_OS2_SURFACE +#include <cairo-os2.h> +#endif +#if CAIRO_HAS_PDF_SURFACE +#include <cairo-pdf.h> +#endif +#if CAIRO_HAS_PS_SURFACE +#include <cairo-ps.h> +#endif +#if CAIRO_HAS_XCB_SURFACE +#include <cairo-xcb.h> +#endif +#if CAIRO_HAS_XLIB_SURFACE +#include <cairo-xlib.h> +#endif + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface; + + /* get the error surface */ + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, INT_MAX, INT_MAX); + +#if CAIRO_HAS_GL_SURFACE + cairo_gl_surface_set_size (surface, 0, 0); + cairo_gl_surface_swapbuffers (surface); +#endif + +#if CAIRO_HAS_OS2_SURFACE + cairo_os2_surface_set_hwnd (surface, 0); + cairo_os2_surface_set_size (surface, 0, 0, 0); + cairo_os2_surface_set_manual_window_refresh (surface, FALSE); +#endif + +#if CAIRO_HAS_PDF_SURFACE + cairo_pdf_surface_restrict_to_version (surface, CAIRO_PDF_VERSION_1_4); + cairo_pdf_surface_set_size (surface, 0, 0); +#endif + +#if CAIRO_HAS_PS_SURFACE + cairo_ps_surface_set_eps (surface, FALSE); + cairo_ps_surface_set_size (surface, 0, 0); + cairo_ps_surface_restrict_to_level (surface, CAIRO_PS_LEVEL_2); + cairo_ps_surface_dsc_comment (surface, NULL); + cairo_ps_surface_dsc_begin_setup (surface); + cairo_ps_surface_dsc_begin_page_setup (surface); +#endif + +#if CAIRO_HAS_XCB_SURFACE + cairo_xcb_surface_set_size (surface, 0, 0); +#endif + +#if CAIRO_HAS_XLIB_SURFACE + cairo_xlib_surface_set_size (surface, 0, 0); + cairo_xlib_surface_set_drawable (surface, 0, 0, 0); +#endif + + cairo_surface_set_mime_data (surface, NULL, NULL, 0, NULL, 0); + cairo_surface_set_device_offset (surface, 0, 0); + cairo_surface_set_fallback_resolution (surface, 0, 0); + + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (error_setters, + "Check setters properly error out on read-only error surfaces", + NULL, /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/extend-pad-border.c b/test/extend-pad-border.c new file mode 100644 index 000000000..c02ec4f00 --- /dev/null +++ b/test/extend-pad-border.c @@ -0,0 +1,95 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Behdad Esfahbod <behdad@behdad.org> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 90 + +/* Check the border-pixels of an EXTEND_PAD image pattern */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_t * cr_surface; + int surface_size = (SIZE - 30) / 10; + + cairo_set_source_rgba (cr, 0, 0, 0, 1); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_fill (cr); + + /* Create an image surface with my favorite four colors in each + * quadrant. */ + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + surface_size, surface_size); + cr_surface = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr_surface, 1, 1, 1); + cairo_rectangle (cr_surface, + 0, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 1, 0, 0); + cairo_rectangle (cr_surface, + surface_size / 2, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 1, 0); + cairo_rectangle (cr_surface, + 0, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 0, 1); + cairo_rectangle (cr_surface, + surface_size / 2, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + + cairo_scale (cr, 10, 10); + cairo_set_source_surface (cr, cairo_get_target (cr_surface), 1.5, 1.5); + cairo_destroy (cr_surface); + + /* Using EXTEND_REFLECT makes this test pass for image and xlib backends */ + /*cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT);*/ + + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD); + cairo_rectangle (cr, 1.5, 1.5, 6, 6); + cairo_clip (cr); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (extend_pad_border, + "Test CAIRO_EXTEND_PAD for surface patterns", + "extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/extend-pad-similar.c b/test/extend-pad-similar.c new file mode 100644 index 000000000..09a90f46d --- /dev/null +++ b/test/extend-pad-similar.c @@ -0,0 +1,82 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Behdad Esfahbod <behdad@behdad.org> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 90 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_t *cr_surface; + + /* Create a 4-pixel similar surface with my favorite four colors in each + * quadrant. */ + surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_COLOR, 2, 2); + cr_surface = cairo_create (surface); + cairo_surface_destroy (surface); + + /* upper-left = white */ + cairo_set_source_rgb (cr_surface, 1, 1, 1); + cairo_rectangle (cr_surface, 0, 0, 1, 1); + cairo_fill (cr_surface); + + /* upper-right = red */ + cairo_set_source_rgb (cr_surface, 1, 0, 0); + cairo_rectangle (cr_surface, 1, 0, 1, 1); + cairo_fill (cr_surface); + + /* lower-left = green */ + cairo_set_source_rgb (cr_surface, 0, 1, 0); + cairo_rectangle (cr_surface, 0, 1, 1, 1); + cairo_fill (cr_surface); + + /* lower-right = blue */ + cairo_set_source_rgb (cr_surface, 0, 0, 1); + cairo_rectangle (cr_surface, 1, 1, 1, 1); + cairo_fill (cr_surface); + + /* Now use extend pad to cover the entire surface with those 4 colors */ + cairo_set_source_surface (cr, cairo_get_target (cr_surface), + width/2 - 1, + height/2 - 1); + cairo_destroy (cr_surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (extend_pad_similar, + "Test CAIRO_EXTEND_PAD for similar surface patterns", + "extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/extend-pad.c b/test/extend-pad.c new file mode 100644 index 000000000..f851d44a4 --- /dev/null +++ b/test/extend-pad.c @@ -0,0 +1,81 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Behdad Esfahbod <behdad@behdad.org> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 90 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_t *cr_surface; + + /* Create a 4-pixel image surface with my favorite four colors in each + * quadrant. */ + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 2, 2); + cr_surface = cairo_create (surface); + cairo_surface_destroy (surface); + + /* upper-left = white */ + cairo_set_source_rgb (cr_surface, 1, 1, 1); + cairo_rectangle (cr_surface, 0, 0, 1, 1); + cairo_fill (cr_surface); + + /* upper-right = red */ + cairo_set_source_rgb (cr_surface, 1, 0, 0); + cairo_rectangle (cr_surface, 1, 0, 1, 1); + cairo_fill (cr_surface); + + /* lower-left = green */ + cairo_set_source_rgb (cr_surface, 0, 1, 0); + cairo_rectangle (cr_surface, 0, 1, 1, 1); + cairo_fill (cr_surface); + + /* lower-right = blue */ + cairo_set_source_rgb (cr_surface, 0, 0, 1); + cairo_rectangle (cr_surface, 1, 1, 1, 1); + cairo_fill (cr_surface); + + /* Now use extend pad to cover the entire surface with those 4 colors */ + cairo_set_source_surface (cr, cairo_get_target (cr_surface), + width/2 - 1, + height/2 - 1); + cairo_destroy (cr_surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (extend_pad, + "Test CAIRO_EXTEND_PAD for surface patterns", + "extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/extend-reflect-similar.c b/test/extend-reflect-similar.c new file mode 100644 index 000000000..fa376a7bf --- /dev/null +++ b/test/extend-reflect-similar.c @@ -0,0 +1,51 @@ +#include "cairo-test.h" + +static const char *png_filename = "romedalen.png"; + +static cairo_surface_t * +clone_similar_surface (cairo_surface_t * target, cairo_surface_t *surface) +{ + cairo_t *cr; + cairo_surface_t *similar; + + similar = cairo_surface_create_similar (target, + cairo_surface_get_content (surface), + cairo_image_surface_get_width (surface), + cairo_image_surface_get_height (surface)); + cr = cairo_create (similar); + cairo_surface_destroy (similar); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + similar = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return similar; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *surface; + cairo_surface_t *similar; + + surface = cairo_test_create_surface_from_png (ctx, png_filename); + similar = clone_similar_surface (cairo_get_group_target (cr), surface); + cairo_set_source_surface (cr, similar, 32, 32); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT); + + cairo_paint (cr); + + cairo_surface_destroy (similar); + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (extend_reflect_similar, + "Test CAIRO_EXTEND_REFLECT for surface patterns", + "extend", /* keywords */ + NULL, /* requirements */ + 256 + 32*2, 192 + 32*2, + NULL, draw) diff --git a/test/extend-reflect.c b/test/extend-reflect.c new file mode 100644 index 000000000..173befc26 --- /dev/null +++ b/test/extend-reflect.c @@ -0,0 +1,29 @@ +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +static const char *png_filename = "romedalen.png"; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *surface; + + surface = cairo_test_create_surface_from_png (ctx, png_filename); + cairo_set_source_surface (cr, surface, 32, 32); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT); + + cairo_paint (cr); + + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (extend_reflect, + "Test CAIRO_EXTEND_REFLECT for surface patterns", + "extend", /* keywords */ + NULL, /* requirements */ + 256 + 32*2, 192 + 32*2, + NULL, draw) diff --git a/test/extend-repeat-similar.c b/test/extend-repeat-similar.c new file mode 100644 index 000000000..08cfd29ab --- /dev/null +++ b/test/extend-repeat-similar.c @@ -0,0 +1,51 @@ +#include "cairo-test.h" + +static const char *png_filename = "romedalen.png"; + +static cairo_surface_t * +clone_similar_surface (cairo_surface_t * target, cairo_surface_t *surface) +{ + cairo_t *cr; + cairo_surface_t *similar; + + similar = cairo_surface_create_similar (target, + cairo_surface_get_content (surface), + cairo_image_surface_get_width (surface), + cairo_image_surface_get_height (surface)); + cr = cairo_create (similar); + cairo_surface_destroy (similar); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + similar = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return similar; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *surface; + cairo_surface_t *similar; + + surface = cairo_test_create_surface_from_png (ctx, png_filename); + similar = clone_similar_surface (cairo_get_group_target (cr), surface); + cairo_set_source_surface (cr, similar, 32, 32); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + + cairo_paint (cr); + + cairo_surface_destroy (similar); + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (extend_repeat_similar, + "Test CAIRO_EXTEND_REPEAT for surface patterns", + "extend", /* keywords */ + NULL, /* requirements */ + 256 + 32*2, 192 + 32*2, + NULL, draw) diff --git a/test/extend-repeat.c b/test/extend-repeat.c new file mode 100644 index 000000000..e6c0bccb6 --- /dev/null +++ b/test/extend-repeat.c @@ -0,0 +1,27 @@ +#include "cairo-test.h" + +static const char *png_filename = "romedalen.png"; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *surface; + + surface = cairo_test_create_surface_from_png (ctx, png_filename); + cairo_set_source_surface (cr, surface, 32, 32); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + + cairo_paint (cr); + + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (extend_repeat, + "Test CAIRO_EXTEND_REPEAT for surface patterns", + "extend", /* keywords */ + NULL, /* requirements */ + 256 + 32*2, 192 + 32*2, + NULL, draw) diff --git a/test/extended-blend.c b/test/extended-blend.c new file mode 100644 index 000000000..8edd182d6 --- /dev/null +++ b/test/extended-blend.c @@ -0,0 +1,256 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2007 Emmanuel Pacaud + * Copyright © 2008 Benjamin Otte + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Owen Taylor <otaylor@redhat.com> + * Kristian Høgsberg <krh@redhat.com> + * Emmanuel Pacaud <emmanuel.pacaud@lapp.in2p3.fr> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define STEPS 16 +#define START_OPERATOR CAIRO_OPERATOR_MULTIPLY +#define STOP_OPERATOR CAIRO_OPERATOR_HSL_LUMINOSITY + +#define SIZE 5 +#define COUNT 4 +#define FULL_WIDTH ((STEPS + 1) * COUNT - 1) +#define FULL_HEIGHT ((COUNT + STOP_OPERATOR - START_OPERATOR) / COUNT) * (STEPS + 1) + +static void +set_solid_pattern (cairo_t *cr, + int step, + cairo_bool_t bg, + cairo_bool_t alpha) +{ + double c, a; + + a = ((double) step) / (STEPS - 1); + if (alpha) { + c = 1; + } else { + c = a; + a = 1; + } + + if (bg) /* draw a yellow background fading in using discrete steps */ + cairo_set_source_rgba (cr, c, c, 0, a); + else /* draw a teal foreground pattern fading in using discrete steps */ + cairo_set_source_rgba (cr, 0, c, c, a); +} + +/* expects a STEP*STEP pixel rectangle */ +static void +do_blend_solid (cairo_t *cr, cairo_operator_t op, cairo_bool_t alpha) +{ + int x; + + cairo_save (cr); + cairo_scale (cr, SIZE, SIZE); + + /* not using CAIRO_OPERATOR_SOURCE here, it triggers a librsvg bug */ + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + for (x = 0; x < STEPS; x++) { + /* draw the background using discrete steps */ + set_solid_pattern (cr, x, TRUE, alpha); + cairo_rectangle (cr, x, 0, 1, STEPS); + cairo_fill (cr); + } + + cairo_set_operator (cr, op); + for (x = 0; x < STEPS; x++) { + /* draw an orthogonal foreground pattern using discrete steps */ + set_solid_pattern (cr, x, FALSE, alpha); + cairo_rectangle (cr, 0, x, STEPS, 1); + cairo_fill (cr); + } + + cairo_restore (cr); +} + +static void +create_patterns (cairo_t *cr, + cairo_surface_t **bg, + cairo_surface_t **fg, + cairo_bool_t alpha) +{ + cairo_t *bgcr, *fgcr; + + *bg = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + SIZE * STEPS, + SIZE * STEPS); + *fg = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + SIZE * STEPS, + SIZE * STEPS); + + bgcr = cairo_create (*bg); + fgcr = cairo_create (*fg); + + do_blend_solid (bgcr, CAIRO_OPERATOR_DEST, alpha); + do_blend_solid (fgcr, CAIRO_OPERATOR_SOURCE, alpha); + + cairo_destroy (bgcr); + cairo_destroy (fgcr); +} + +/* expects a STEP*STEP pixel rectangle */ +static void +do_blend (cairo_t *cr, cairo_operator_t op, cairo_bool_t alpha) +{ + cairo_surface_t *bg, *fg; + + create_patterns (cr, &bg, &fg, alpha); + + /* not using CAIRO_OPERATOR_SOURCE here, it triggers a librsvg bug */ + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_surface (cr, bg, 0, 0); + cairo_paint (cr); + + cairo_set_operator (cr, op); + cairo_set_source_surface (cr, fg, 0, 0); + cairo_paint (cr); + + cairo_surface_destroy (fg); + cairo_surface_destroy (bg); +} + +static void +do_blend_mask (cairo_t *cr, cairo_operator_t op, cairo_bool_t alpha) +{ + cairo_surface_t *bg, *fg; + + create_patterns (cr, &bg, &fg, alpha); + + /* not using CAIRO_OPERATOR_SOURCE here, it triggers a librsvg bug */ + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_surface (cr, bg, 0, 0); + cairo_paint (cr); + + cairo_set_operator (cr, op); + cairo_set_source_surface (cr, fg, 0, 0); + cairo_paint_with_alpha (cr, .5); + + cairo_surface_destroy (fg); + cairo_surface_destroy (bg); +} + +static cairo_test_status_t +draw (cairo_t *cr, cairo_bool_t alpha, + void (*blend)(cairo_t *, cairo_operator_t, cairo_bool_t)) +{ + size_t i = 0; + cairo_operator_t op; + + for (op = START_OPERATOR; op <= STOP_OPERATOR; op++, i++) { + cairo_save (cr); + cairo_translate (cr, + SIZE * (STEPS + 1) * (i % COUNT), + SIZE * (STEPS + 1) * (i / COUNT)); + blend (cr, op, alpha); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_extended_blend (cairo_t *cr, int width, int height) +{ + return draw (cr, FALSE, do_blend); +} + +static cairo_test_status_t +draw_extended_blend_alpha (cairo_t *cr, int width, int height) +{ + return draw (cr, TRUE, do_blend); +} + +static cairo_test_status_t +draw_extended_blend_solid (cairo_t *cr, int width, int height) +{ + return draw (cr, FALSE, do_blend_solid); +} + +static cairo_test_status_t +draw_extended_blend_solid_alpha (cairo_t *cr, int width, int height) +{ + return draw (cr, TRUE, do_blend_solid); +} + +static cairo_test_status_t +draw_extended_blend_mask (cairo_t *cr, int width, int height) +{ + return draw (cr, FALSE, do_blend_mask); +} +static cairo_test_status_t +draw_extended_blend_alpha_mask (cairo_t *cr, int width, int height) +{ + return draw (cr, TRUE, do_blend_mask); +} + +CAIRO_TEST (extended_blend, + "Tests extended blend modes without alpha", + "operator", /* keywords */ + NULL, /* requirements */ + FULL_WIDTH * SIZE, FULL_HEIGHT * SIZE, + NULL, draw_extended_blend) + +CAIRO_TEST (extended_blend_alpha, + "Tests extended blend modes with alpha", + "operator", /* keywords */ + NULL, /* requirements */ + FULL_WIDTH * SIZE, FULL_HEIGHT * SIZE, + NULL, draw_extended_blend_alpha) + +CAIRO_TEST (extended_blend_mask, + "Tests extended blend modes with an alpha mask", + "operator,mask", /* keywords */ + NULL, /* requirements */ + FULL_WIDTH * SIZE, FULL_HEIGHT * SIZE, + NULL, draw_extended_blend_mask) +CAIRO_TEST (extended_blend_alpha_mask, + "Tests extended blend modes with an alpha mask", + "operator,mask", /* keywords */ + NULL, /* requirements */ + FULL_WIDTH * SIZE, FULL_HEIGHT * SIZE, + NULL, draw_extended_blend_alpha_mask) + + +CAIRO_TEST (extended_blend_solid, + "Tests extended blend modes on solid patterns without alpha", + "operator", /* keywords */ + NULL, /* requirements */ + FULL_WIDTH * SIZE, FULL_HEIGHT * SIZE, + NULL, draw_extended_blend_solid) + +CAIRO_TEST (extended_blend_solid_alpha, + "Tests extended blend modes on solid patterns with alpha", + "operator", /* keywords */ + NULL, /* requirements */ + FULL_WIDTH * SIZE, FULL_HEIGHT * SIZE, + NULL, draw_extended_blend_solid_alpha) diff --git a/test/fallback-resolution.c b/test/fallback-resolution.c new file mode 100644 index 000000000..306a57013 --- /dev/null +++ b/test/fallback-resolution.c @@ -0,0 +1,517 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <cairo.h> + +#if CAIRO_HAS_PDF_SURFACE +#include <cairo-pdf.h> +#endif + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#include <errno.h> +#endif +#if HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif + +#include "cairo-test.h" +#include "buffer-diff.h" + +/* This test exists to test cairo_surface_set_fallback_resolution + * + * <behdad> one more thing. + * if you can somehow incorporate cairo_show_page stuff in the + * test suite. such that fallback-resolution can actually be + * automated.. + * if we could get a callback on surface when that function is + * called, we could do cool stuff like making other backends + * draw a long strip of images, one for each page... + */ + +#define INCHES_TO_POINTS(in) ((in) * 72.0) +#define SIZE INCHES_TO_POINTS(2) + +/* cairo_set_tolerance() is not respected by the PS/PDF backends currently */ +#define SET_TOLERANCE 0 + +#define GENERATE_REFERENCE 0 + +static void +draw (cairo_t *cr, double width, double height) +{ + const char *text = "cairo"; + cairo_text_extents_t extents; + const double dash[2] = { 8, 16 }; + cairo_pattern_t *pattern; + + cairo_save (cr); + + cairo_new_path (cr); + + cairo_set_line_width (cr, .05 * SIZE / 2.0); + + cairo_arc (cr, SIZE / 2.0, SIZE / 2.0, + 0.875 * SIZE / 2.0, + 0, 2.0 * M_PI); + cairo_stroke (cr); + + /* use dashes to demonstrate bugs: + * https://bugs.freedesktop.org/show_bug.cgi?id=9189 + * https://bugs.freedesktop.org/show_bug.cgi?id=17223 + */ + cairo_save (cr); + cairo_set_dash (cr, dash, 2, 0); + cairo_arc (cr, SIZE / 2.0, SIZE / 2.0, + 0.75 * SIZE / 2.0, + 0, 2.0 * M_PI); + cairo_stroke (cr); + cairo_restore (cr); + + cairo_save (cr); + cairo_rectangle (cr, 0, 0, SIZE/2, SIZE); + cairo_clip (cr); + cairo_arc (cr, SIZE / 2.0, SIZE / 2.0, + 0.6 * SIZE / 2.0, + 0, 2.0 * M_PI); + cairo_fill (cr); + cairo_restore (cr); + + /* use a pattern to exercise bug: + * https://bugs.launchpad.net/inkscape/+bug/234546 + */ + cairo_save (cr); + cairo_rectangle (cr, SIZE/2, 0, SIZE/2, SIZE); + cairo_clip (cr); + pattern = cairo_pattern_create_linear (SIZE/2, 0, SIZE, 0); + cairo_pattern_add_color_stop_rgba (pattern, 0, 0, 0, 0, 1.); + cairo_pattern_add_color_stop_rgba (pattern, 1, 0, 0, 0, 0.); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + cairo_arc (cr, SIZE / 2.0, SIZE / 2.0, + 0.6 * SIZE / 2.0, + 0, 2.0 * M_PI); + cairo_fill (cr); + cairo_restore (cr); + + cairo_set_source_rgb (cr, 1, 1, 1); /* white */ + cairo_set_font_size (cr, .25 * SIZE / 2.0); + cairo_text_extents (cr, text, &extents); + cairo_move_to (cr, (SIZE-extents.width)/2.0-extents.x_bearing, + (SIZE-extents.height)/2.0-extents.y_bearing); + cairo_show_text (cr, text); + + cairo_restore (cr); +} + +static void +_xunlink (const cairo_test_context_t *ctx, const char *pathname) +{ + if (unlink (pathname) < 0 && errno != ENOENT) { + cairo_test_log (ctx, "Error: Cannot remove %s: %s\n", + pathname, strerror (errno)); + exit (1); + } +} + +static cairo_bool_t +check_result (cairo_test_context_t *ctx, + const cairo_boilerplate_target_t *target, + const char *test_name, + const char *base_name, + cairo_surface_t *surface) +{ + const char *format; + char *ref_name; + char *png_name; + char *diff_name; + cairo_surface_t *test_image, *ref_image, *diff_image; + buffer_diff_result_t result; + cairo_status_t status; + cairo_bool_t ret; + + /* XXX log target, OUTPUT, REFERENCE, DIFFERENCE for index.html */ + + if (target->finish_surface != NULL) { + status = target->finish_surface (surface); + if (status) { + cairo_test_log (ctx, "Error: Failed to finish surface: %s\n", + cairo_status_to_string (status)); + cairo_surface_destroy (surface); + return FALSE; + } + } + + xasprintf (&png_name, "%s.out.png", base_name); + xasprintf (&diff_name, "%s.diff.png", base_name); + + test_image = target->get_image_surface (surface, 0, SIZE, SIZE); + if (cairo_surface_status (test_image)) { + cairo_test_log (ctx, "Error: Failed to extract page: %s\n", + cairo_status_to_string (cairo_surface_status (test_image))); + cairo_surface_destroy (test_image); + free (png_name); + free (diff_name); + return FALSE; + } + + _xunlink (ctx, png_name); + status = cairo_surface_write_to_png (test_image, png_name); + if (status) { + cairo_test_log (ctx, "Error: Failed to write output image: %s\n", + cairo_status_to_string (status)); + cairo_surface_destroy (test_image); + free (png_name); + free (diff_name); + return FALSE; + } + + format = cairo_boilerplate_content_name (target->content); + ref_name = cairo_test_reference_filename (ctx, + base_name, + test_name, + target->name, + target->basename, + format, + CAIRO_TEST_REF_SUFFIX, + CAIRO_TEST_PNG_EXTENSION); + if (ref_name == NULL) { + cairo_test_log (ctx, "Error: Cannot find reference image for %s\n", + base_name); + cairo_surface_destroy (test_image); + free (png_name); + free (diff_name); + return FALSE; + } + + + ref_image = cairo_test_get_reference_image (ctx, ref_name, + target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED); + if (cairo_surface_status (ref_image)) { + cairo_test_log (ctx, "Error: Cannot open reference image for %s: %s\n", + ref_name, + cairo_status_to_string (cairo_surface_status (ref_image))); + cairo_surface_destroy (ref_image); + cairo_surface_destroy (test_image); + free (png_name); + free (diff_name); + free (ref_name); + return FALSE; + } + + diff_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + SIZE, SIZE); + + ret = TRUE; + status = image_diff (ctx, + test_image, ref_image, diff_image, + &result); + _xunlink (ctx, diff_name); + if (status) { + cairo_test_log (ctx, "Error: Failed to compare images: %s\n", + cairo_status_to_string (status)); + ret = FALSE; + } else if (image_diff_is_failure (&result, target->error_tolerance)) + { + ret = FALSE; + + status = cairo_surface_write_to_png (diff_image, diff_name); + if (status) { + cairo_test_log (ctx, "Error: Failed to write differences image: %s\n", + cairo_status_to_string (status)); + } + } + + cairo_surface_destroy (test_image); + cairo_surface_destroy (diff_image); + free (png_name); + free (diff_name); + free (ref_name); + + return ret; +} + +#if GENERATE_REFERENCE +static void +generate_reference (double ppi_x, double ppi_y, const char *filename) +{ + cairo_surface_t *surface, *target; + cairo_t *cr; + cairo_status_t status; + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + SIZE*ppi_x/72, SIZE*ppi_y/72); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + /* As we wish to mimic a PDF surface, copy across the default font options + * from the PDF backend. + */ + { + cairo_surface_t *pdf; + cairo_font_options_t *options; + + options = cairo_font_options_create (); + +#if CAIRO_HAS_PDF_SURFACE + pdf = cairo_pdf_surface_create ("tmp.pdf", 1, 1); + cairo_surface_get_font_options (pdf, options); + cairo_surface_destroy (pdf); +#endif + + cairo_set_font_options (cr, options); + cairo_font_options_destroy (options); + } + +#if SET_TOLERANCE + cairo_set_tolerance (cr, 3.0); +#endif + + cairo_save (cr); { + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + } cairo_restore (cr); + + cairo_scale (cr, ppi_x/72., ppi_y/72.); + draw (cr, SIZE, SIZE); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + target = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SIZE, SIZE); + cr = cairo_create (target); + cairo_scale (cr, 72./ppi_x, 72./ppi_y); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_paint (cr); + + status = cairo_surface_write_to_png (cairo_get_target (cr), filename); + cairo_destroy (cr); + + if (status) { + fprintf (stderr, "Failed to generate reference image '%s': %s\n", + filename, cairo_status_to_string (status)); + exit (1); + } +} +#endif + +/* TODO: Split each ppi case out to its own CAIRO_TEST() test case */ +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_t *cr; + cairo_test_status_t ret = CAIRO_TEST_UNTESTED; + struct { + double x, y; + } ppi[] = { + { 576, 576 }, + { 576, 72 }, + + { 288, 288 }, + { 288, 72 }, + + { 144, 144 }, + { 144, 72 }, + + { 72, 576 }, + { 72, 288 }, + { 72, 144 }, + { 72, 72 }, + }; + unsigned int i; + int n, num_ppi; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + num_ppi = ARRAY_LENGTH (ppi); + +#if GENERATE_REFERENCE + for (n = 0; n < num_ppi; n++) { + char *ref_name; + xasprintf (&ref_name, "reference/fallback-resolution.ppi%gx%g.ref.png", + ppi[n].x, ppi[n].y); + generate_reference (ppi[n].x, ppi[n].y, ref_name); + free (ref_name); + } +#endif + + for (i = 0; i < ctx->num_targets; i++) { + const cairo_boilerplate_target_t *target = ctx->targets_to_test[i]; + cairo_surface_t *surface = NULL; + char *base_name; + void *closure; + const char *format; + cairo_status_t status; + + if (! target->is_vector) + continue; + + if (! cairo_test_is_target_enabled (ctx, target->name)) + continue; + + format = cairo_boilerplate_content_name (target->content); + xasprintf (&base_name, "%s/fallback-resolution.%s.%s", + path, target->name, + format); + + surface = (target->create_surface) (base_name, + target->content, + SIZE, SIZE, + SIZE, SIZE, + CAIRO_BOILERPLATE_MODE_TEST, + &closure); + + if (surface == NULL) { + free (base_name); + continue; + } + + if (ret == CAIRO_TEST_UNTESTED) + ret = CAIRO_TEST_SUCCESS; + + cairo_surface_destroy (surface); + if (target->cleanup) + target->cleanup (closure); + free (base_name); + + /* we need to recreate the surface for each resolution as we include + * SVG in testing which does not support the paginated interface. + */ + for (n = 0; n < num_ppi; n++) { + char *test_name; + cairo_bool_t pass; + + xasprintf (&test_name, "fallback-resolution.ppi%gx%g", + ppi[n].x, ppi[n].y); + xasprintf (&base_name, "%s/%s.%s.%s", + path, test_name, + target->name, + format); + + surface = (target->create_surface) (base_name, + target->content, + SIZE + 25, SIZE + 25, + SIZE + 25, SIZE + 25, + CAIRO_BOILERPLATE_MODE_TEST, + &closure); + if (surface == NULL || cairo_surface_status (surface)) { + cairo_test_log (ctx, "Failed to generate surface: %s.%s\n", + target->name, + format); + free (base_name); + free (test_name); + ret = CAIRO_TEST_FAILURE; + continue; + } + + cairo_test_log (ctx, + "Testing fallback-resolution %gx%g with %s target\n", + ppi[n].x, ppi[n].y, target->name); + printf ("%s:\t", base_name); + fflush (stdout); + + if (target->force_fallbacks != NULL) + target->force_fallbacks (surface, ppi[n].x, ppi[n].y); + cr = cairo_create (surface); +#if SET_TOLERANCE + cairo_set_tolerance (cr, 3.0); +#endif + + cairo_surface_set_device_offset (surface, 25, 25); + + cairo_save (cr); { + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + } cairo_restore (cr); + + /* First draw the top half in a conventional way. */ + cairo_save (cr); { + cairo_rectangle (cr, 0, 0, SIZE, SIZE / 2.0); + cairo_clip (cr); + + draw (cr, SIZE, SIZE); + } cairo_restore (cr); + + /* Then draw the bottom half in a separate group, + * (exposing a bug in 1.6.4 with the group not being + * rendered with the correct fallback resolution). */ + cairo_save (cr); { + cairo_rectangle (cr, 0, SIZE / 2.0, SIZE, SIZE / 2.0); + cairo_clip (cr); + + cairo_push_group (cr); { + draw (cr, SIZE, SIZE); + } cairo_pop_group_to_source (cr); + + cairo_paint (cr); + } cairo_restore (cr); + + status = cairo_status (cr); + cairo_destroy (cr); + + pass = FALSE; + if (status) { + cairo_test_log (ctx, "Error: Failed to create target surface: %s\n", + cairo_status_to_string (status)); + ret = CAIRO_TEST_FAILURE; + } else { + /* extract the image and compare it to our reference */ + if (! check_result (ctx, target, test_name, base_name, surface)) + ret = CAIRO_TEST_FAILURE; + else + pass = TRUE; + } + cairo_surface_destroy (surface); + if (target->cleanup) + target->cleanup (closure); + + free (base_name); + free (test_name); + + if (pass) { + printf ("PASS\n"); + } else { + printf ("FAIL\n"); + } + fflush (stdout); + } + } + + return ret; +} + +CAIRO_TEST (fallback_resolution, + "Check handling of fallback resolutions", + "fallback", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/fallback.c b/test/fallback.c new file mode 100644 index 000000000..a3cfc401c --- /dev/null +++ b/test/fallback.c @@ -0,0 +1,79 @@ +/* + * Copyright © 2012 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define SIZE 40 +#define WIDTH (7*SIZE) +#define HEIGHT (5*SIZE) + +#define FALLBACK_RES_X 300 +#define FALLBACK_RES_Y 150 + +static void +rectangles (cairo_t *cr) +{ + cairo_save (cr); + + cairo_rotate (cr, M_PI/8); + cairo_translate (cr, 2*SIZE, SIZE/16); + cairo_scale (cr, 1.5, 1.5); + + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_set_source_rgba (cr, 1, 0, 0, 0.5); + cairo_fill (cr); + + /* Select an operator not supported by PDF/PS/SVG to trigger fallback */ + cairo_set_operator (cr, CAIRO_OPERATOR_SATURATE); + + cairo_rectangle (cr, SIZE/2, SIZE/2, SIZE, SIZE); + cairo_set_source_rgba (cr, 0, 1, 0, 0.5); + cairo_fill (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_set_fallback_resolution (cairo_get_target (cr), FALLBACK_RES_X, FALLBACK_RES_Y); + + rectangles (cr); + cairo_translate (cr, 3*SIZE, 0); + cairo_push_group (cr); + rectangles (cr); + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fallback, + "Check that fallback images are correct when fallback resolution is not 72ppi", + "fallback", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/fill-alpha-pattern.c b/test/fill-alpha-pattern.c new file mode 100644 index 000000000..3698779c1 --- /dev/null +++ b/test/fill-alpha-pattern.c @@ -0,0 +1,87 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 60 /* needs to be big to check large area effects (dithering) */ +#define PAD 2 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const double alpha = 1./3; + cairo_pattern_t *pattern; + int n; + + /* draw a simple pattern behind */ + pattern = cairo_pattern_create_linear (0, 0, width, height); + cairo_pattern_add_color_stop_rgb (pattern, 0, 1, 1, 0); + cairo_pattern_add_color_stop_rgb (pattern, 1, 1, 1, 1); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + cairo_paint (cr); + + /* square */ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); + cairo_set_source_rgba (cr, 1, 0, 0, alpha); + cairo_fill (cr); + + /* circle */ + cairo_translate (cr, SIZE + 2 * PAD, 0); + cairo_arc (cr, PAD + SIZE / 2., PAD + SIZE / 2., SIZE / 2., 0, 2 * M_PI); + cairo_set_source_rgba (cr, 0, 1, 0, alpha); + cairo_fill (cr); + + /* triangle */ + cairo_translate (cr, 0, SIZE + 2 * PAD); + cairo_move_to (cr, PAD + SIZE / 2, PAD); + cairo_line_to (cr, PAD + SIZE, PAD + SIZE); + cairo_line_to (cr, PAD, PAD + SIZE); + cairo_set_source_rgba (cr, 0, 0, 1, alpha); + cairo_fill (cr); + + /* star */ + cairo_translate (cr, -(SIZE + 2 * PAD) + SIZE/2., SIZE/2.); + for (n = 0; n < 5; n++) { + cairo_line_to (cr, + SIZE/2 * cos (2*n * 2*M_PI / 10), + SIZE/2 * sin (2*n * 2*M_PI / 10)); + + cairo_line_to (cr, + SIZE/4 * cos ((2*n+1)*2*M_PI / 10), + SIZE/4 * sin ((2*n+1)*2*M_PI / 10)); + } + cairo_set_source_rgba (cr, 0, 0, 0, alpha); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_alpha_pattern, + "Tests using set_rgba();fill() over a linear gradient", + "fill, alpha", /* keywords */ + NULL, /* requirements */ + 2*SIZE + 4*PAD, 2*SIZE + 4*PAD, + NULL, draw) diff --git a/test/fill-alpha.c b/test/fill-alpha.c new file mode 100644 index 000000000..6c2948dfa --- /dev/null +++ b/test/fill-alpha.c @@ -0,0 +1,82 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 60 /* needs to be big to check large area effects (dithering) */ +#define PAD 2 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const double alpha = 1./3; + int n; + + /* flatten to white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* square */ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); + cairo_set_source_rgba (cr, 1, 0, 0, alpha); + cairo_fill (cr); + + /* circle */ + cairo_translate (cr, SIZE + 2 * PAD, 0); + cairo_arc (cr, PAD + SIZE / 2., PAD + SIZE / 2., SIZE / 2., 0, 2 * M_PI); + cairo_set_source_rgba (cr, 0, 1, 0, alpha); + cairo_fill (cr); + + /* triangle */ + cairo_translate (cr, 0, SIZE + 2 * PAD); + cairo_move_to (cr, PAD + SIZE / 2, PAD); + cairo_line_to (cr, PAD + SIZE, PAD + SIZE); + cairo_line_to (cr, PAD, PAD + SIZE); + cairo_set_source_rgba (cr, 0, 0, 1, alpha); + cairo_fill (cr); + + /* star */ + cairo_translate (cr, -(SIZE + 2 * PAD) + SIZE/2., SIZE/2.); + for (n = 0; n < 5; n++) { + cairo_line_to (cr, + SIZE/2 * cos (2*n * 2*M_PI / 10), + SIZE/2 * sin (2*n * 2*M_PI / 10)); + + cairo_line_to (cr, + SIZE/4 * cos ((2*n+1)*2*M_PI / 10), + SIZE/4 * sin ((2*n+1)*2*M_PI / 10)); + } + cairo_set_source_rgba (cr, 0, 0, 0, alpha); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_alpha, + "Tests using set_rgba();fill()", + "fill, alpha", /* keywords */ + NULL, /* requirements */ + 2*SIZE + 4*PAD, 2*SIZE + 4*PAD, + NULL, draw) diff --git a/test/fill-and-stroke-alpha-add.c b/test/fill-and-stroke-alpha-add.c new file mode 100644 index 000000000..55cd4c6a2 --- /dev/null +++ b/test/fill-and-stroke-alpha-add.c @@ -0,0 +1,107 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define PAD 2 +#define SIZE 10 + +typedef void (*path_func_t) (cairo_t *cr); + +static void +rectangle (cairo_t *cr) +{ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); +} + +static void +circle (cairo_t *cr) +{ + cairo_arc (cr, + PAD + SIZE / 2, PAD + SIZE / 2, + SIZE / 2, + 0, 2 * M_PI); +} + +/* Given a path-generating function and two possibly translucent + * patterns, fill and stroke the path with the patterns (to an + * offscreen group), then blend the result into the destination. + */ +static void +fill_and_stroke (cairo_t *cr, + path_func_t path_func, + cairo_pattern_t *fill_pattern, + cairo_pattern_t *stroke_pattern) +{ + cairo_push_group (cr); + { + (path_func) (cr); + cairo_set_source (cr, fill_pattern); + cairo_fill_preserve (cr); + + /* Use DEST_OUT to subtract stroke from fill. */ + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OUT); + cairo_stroke_preserve (cr); + + /* Then use ADD to draw the stroke without a seam. */ + cairo_set_source (cr, stroke_pattern); + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + cairo_stroke (cr); + } + cairo_pop_group_to_source (cr); + cairo_paint (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *blue; + cairo_pattern_t *red; + + blue = cairo_pattern_create_rgba (0.0, 0.0, 1.0, 0.8); + red = cairo_pattern_create_rgba (1.0, 0.0, 0.0, 0.2); + + cairo_test_paint_checkered (cr); + + fill_and_stroke (cr, rectangle, blue, red); + + cairo_translate (cr, SIZE + 2 * PAD, 0); + + fill_and_stroke (cr, circle, red, blue); + + cairo_pattern_destroy (blue); + cairo_pattern_destroy (red); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_and_stroke_alpha_add, + "Use a group to fill/stroke a path (each with different alpha) using DEST_OUT and ADD to combine", + "fill-and-stroke, fill, stroke", /* keywords */ + NULL, /* requirements */ + 2 * SIZE + 4 * PAD, SIZE + 2 * PAD, + NULL, draw) diff --git a/test/fill-and-stroke-alpha.c b/test/fill-and-stroke-alpha.c new file mode 100644 index 000000000..c6d7c0062 --- /dev/null +++ b/test/fill-and-stroke-alpha.c @@ -0,0 +1,101 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define PAD 2 +#define SIZE 10 + +typedef void (*path_func_t) (cairo_t *cr); + +static void +rectangle (cairo_t *cr) +{ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); +} + +static void +circle (cairo_t *cr) +{ + cairo_arc (cr, + PAD + SIZE / 2, PAD + SIZE / 2, + SIZE / 2, + 0, 2 * M_PI); +} + +/* Given a path-generating function and two opaque patterns, fill and + * stroke the path with the patterns (to an offscreen group), then + * blend the result into the destination with the given alpha + * value. + */ +static void +fill_and_stroke_alpha (cairo_t *cr, + path_func_t path_func, + cairo_pattern_t *fill_pattern, + cairo_pattern_t *stroke_pattern, + double alpha) +{ + cairo_push_group (cr); + { + (path_func) (cr); + cairo_set_source (cr, fill_pattern); + cairo_fill_preserve (cr); + cairo_set_source (cr, stroke_pattern); + cairo_stroke (cr); + } + cairo_pop_group_to_source (cr); + cairo_paint_with_alpha (cr, alpha); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *blue; + cairo_pattern_t *red; + + blue = cairo_pattern_create_rgb (0.0, 0.0, 1.0); + red = cairo_pattern_create_rgb (1.0, 0.0, 0.0); + + cairo_test_paint_checkered (cr); + + fill_and_stroke_alpha (cr, rectangle, blue, red, 0.5); + + cairo_translate (cr, SIZE + 2 * PAD, 0); + + fill_and_stroke_alpha (cr, circle, red, blue, 0.5); + + cairo_pattern_destroy (blue); + cairo_pattern_destroy (red); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_and_stroke_alpha, + "Use a group to fill/stroke a path then blend the result with alpha onto the destination", + "fill-and-stroke, fill, stroke", /* keywords */ + NULL, /* requirements */ + 2 * SIZE + 4 * PAD, SIZE + 2 * PAD, + NULL, draw) diff --git a/test/fill-and-stroke.c b/test/fill-and-stroke.c new file mode 100644 index 000000000..c983c3299 --- /dev/null +++ b/test/fill-and-stroke.c @@ -0,0 +1,58 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define PAD 2 +#define SIZE 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + + cairo_translate (cr, SIZE + 2 * PAD, 0); + + cairo_arc (cr, + PAD + SIZE / 2, PAD + SIZE / 2, + SIZE / 2, + 0, 2 * M_PI); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_and_stroke, + "Tests using cairo_fill_preserve/cairo_stroke to fill/stroke the same path", + "fill-and-stroke, fill, stroke", /* keywords */ + NULL, /* requirements */ + 2 * SIZE + 4 * PAD, SIZE + 2 * PAD, + NULL, draw) diff --git a/test/fill-degenerate-sort-order.c b/test/fill-degenerate-sort-order.c new file mode 100644 index 000000000..d93481048 --- /dev/null +++ b/test/fill-degenerate-sort-order.c @@ -0,0 +1,77 @@ +/* + * Copyright © 2006 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ + +/* Bug history + * + * 2006-12-05 M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + * + * There's currently a regression bug in the tessellation code from + * switching to the "new tessellator". The bug is caused by + * confusion in the comparator used to order events when there are + * degenerate edges. + */ + +#include "cairo-test.h" + +/* Derived from zrusin's "another" polygon in the performance suite. */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 0, 0); + + /* The polygon uses (43,103) as its "base point". Closed + * subpaths are simulated by going from the base point to the + * subpath's first point, doing the subpath, and returning to the + * base point. The moving to and from the base point causes + * degenerate edges which shouldn't result in anything visible. */ + cairo_move_to (cr, 43, 103); + + /* First subpath. */ + cairo_line_to (cr, 91, 101); + cairo_line_to (cr, 0, 112); + cairo_line_to (cr, 60, 0); + cairo_line_to (cr, 91, 101); + + cairo_line_to (cr, 43, 103); + + /* Second subpath. */ + cairo_line_to (cr, 176, 110); + cairo_line_to (cr, 116, 100); + cairo_line_to (cr, 176, 0); + cairo_line_to (cr, 176, 110); + + cairo_close_path (cr); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_degenerate_sort_order, + "Tests the tessellator's event comparator with degenerate input", + "degenerate, fill", /* keywords */ + NULL, /* requirements */ + 190, 120, + NULL, draw) diff --git a/test/fill-disjoint.c b/test/fill-disjoint.c new file mode 100644 index 000000000..ea2c14fff --- /dev/null +++ b/test/fill-disjoint.c @@ -0,0 +1,63 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* The goal is exercise a bug that existed in the xlib backend, where + * it assumed the rectangles generated by rectangular tessallator had + * any sorting guarantees. + */ + +#define WIDTH 300 +#define HEIGHT 300 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int x; + + /* black background */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + /* white rectangles */ + cairo_set_source_rgb (cr, 1, 1, 1); + + /* fill with a set of rectangles that the rectangular tessellator + * will not emit sorted. */ + for (x = 0; x < WIDTH - 10; x += 15) + cairo_rectangle (cr, x, x, 10, HEIGHT - 2*x); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_disjoint, + "Tests filling unsorted rectangles.", + "fill", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/fill-empty.c b/test/fill-empty.c new file mode 100644 index 000000000..0594e57ad --- /dev/null +++ b/test/fill-empty.c @@ -0,0 +1,62 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + + /* first drawn an ordinary empty path */ + cairo_save (cr); + cairo_rectangle (cr, 0, 0, SIZE, SIZE/2); + cairo_clip (cr); + cairo_fill (cr); + cairo_restore (cr); + + /* and then an unbounded empty path */ + cairo_save (cr); + cairo_rectangle (cr, 0, SIZE/2, SIZE, SIZE/2); + cairo_clip (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_DEST_IN); + cairo_fill (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_empty, + "Test filling with an empty path", + "fill", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) + diff --git a/test/fill-image.c b/test/fill-image.c new file mode 100644 index 000000000..24ee03142 --- /dev/null +++ b/test/fill-image.c @@ -0,0 +1,83 @@ +/* + * Copyright © 2006 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" + +#define PAD 10 +#define SIZE 100 +#define IMAGE_SIZE (SIZE-PAD*2) +#define LINE_WIDTH 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *image; + cairo_t *cr_image; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + IMAGE_SIZE, IMAGE_SIZE); + cr_image = cairo_create (image); + cairo_surface_destroy (image); + + /* Create the image */ + cairo_set_source_rgb (cr_image, 0, 0, 0); + cairo_paint (cr_image); + + cairo_set_source_rgb (cr_image, 0, 1, 0); + cairo_new_sub_path (cr_image); + cairo_arc (cr_image, IMAGE_SIZE/2, IMAGE_SIZE/2, IMAGE_SIZE/2 - LINE_WIDTH, 0, M_PI * 2.0); + cairo_close_path (cr_image); + cairo_new_sub_path (cr_image); + cairo_arc_negative (cr_image, IMAGE_SIZE/2, IMAGE_SIZE/2, IMAGE_SIZE/2, 0, -M_PI * 2.0); + cairo_close_path (cr_image); + cairo_fill (cr_image); + + /* Now stroke^Wfill with it */ + cairo_translate (cr, PAD, PAD); + + cairo_set_source_surface (cr, cairo_get_target (cr_image), 0, 0); + cairo_destroy (cr_image); + + cairo_new_sub_path (cr); + cairo_arc (cr, IMAGE_SIZE/2, IMAGE_SIZE/2, IMAGE_SIZE/2 - LINE_WIDTH, 0, M_PI * 2.0); + cairo_close_path (cr); + cairo_new_sub_path (cr); + cairo_arc_negative (cr, IMAGE_SIZE/2, IMAGE_SIZE/2, IMAGE_SIZE/2, 0, -M_PI * 2.0); + cairo_close_path (cr); + + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_image, + "Test filling with an image source, with a non-identity CTM", + "fill, image, transform", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/fill-missed-stop.c b/test/fill-missed-stop.c new file mode 100644 index 000000000..558933778 --- /dev/null +++ b/test/fill-missed-stop.c @@ -0,0 +1,83 @@ +/* + * Copyright © 2006 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ + +/* Bug history + * + * 2006-12-05 M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + * + * The tessellator has a regression where a trapezoid may continue + * below the end of a polygon edge (i.e. the bottom of the trapezoid + * is miscomputed.) This can only happen if the right edge of a + * trapezoid stops earlier than the left edge and there is no start + * event at the end point of the right edge. + */ + +#include "cairo-test.h" + +#define SIZE 50 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 0, 0); + + cairo_translate (cr, 1, 1); + + /* What it should look like, with # marking the filled areas: + * + * |\ |\ + * |#\ |#\ + * |##\__|##\ + * \#| + * \| + * + * What it looke like with the bug, when the rightmost edge's end + * is missed: + * + * |\ |\ + * |#\ |#\ + * |##\__|##\ + * \#####| + * \####| + */ + + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, SIZE/2, SIZE); + cairo_line_to (cr, SIZE/2, 0); + cairo_line_to (cr, SIZE, SIZE/2); + cairo_line_to (cr, 0, SIZE/2); + cairo_close_path (cr); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_missed_stop, + "Tests that the tessellator doesn't miss stop events when generating trapezoids", + "fill", /* keywords */ + NULL, /* requirements */ + SIZE+3, SIZE+3, + NULL, draw) diff --git a/test/fill-rule.c b/test/fill-rule.c new file mode 100644 index 000000000..66f19b7cc --- /dev/null +++ b/test/fill-rule.c @@ -0,0 +1,127 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Bug history + * + * 2004-10-27 Carl Worth <cworth@cworth.org> + * + * There's currently a regression bug in the tessellation code. This + * causes each of these simple star shapes to be filled incorrectly. + * + * It looks like right now we can get this test to pass by doing: + * + * cvs update -r 1.16 src/cairo_traps.c + * + * But we don't want to revert that change permanently since it + * really does correct some bugs. It must be that the old version of + * the code is masking some other bugs in the tessellation code. My + * current plan is to back this revision up for the next snapshot, + * but not to list the test as an expected failure since I'm + * planning on doing the new tessellator which should fix this + * problem. + * + * 2005-01-11 Carl Worth <cworth@cworth.org> + * + * Keith committed some fixes that fix the original size-20 + * star_path: + * + * * src/cairo_wideint.c: (_cairo_int32x32_64_mul), + * (_cairo_int64x64_128_mul): + * * src/cairo_wideint.h: + * int32x32_64_mul and int64x64_128_mul are different from their + * unsigned compatriots + * + * 2005-01-12 Carl Worth <cworth@cworth.org> + * + * Going back to the SVG test suite, however, the original star + * shape is still broken. Adding both shapes now as little_star_path + * and big_star_path. + * + */ + +#include "cairo-test.h" + +#define LITTLE_STAR_SIZE 20 +#define BIG_STAR_SIZE 80 + +/* The SVG start trimmed down, but still showing the bug (originally) */ +static void +little_star_path (cairo_t *cr) +{ + cairo_move_to (cr, 10, 0); + cairo_rel_line_to (cr, 6, 20); + cairo_rel_line_to (cr, -16, -12); + cairo_rel_line_to (cr, 20, 0); + cairo_rel_line_to (cr, -16, 12); +} + +/* The star shape from the SVG test suite. This was is still buggy even after + we got little_star_path working. */ +static void +big_star_path (cairo_t *cr) +{ + cairo_move_to (cr, 40, 0); + cairo_rel_line_to (cr, 25, 80); + cairo_rel_line_to (cr, -65, -50); + cairo_rel_line_to (cr, 80, 0); + cairo_rel_line_to (cr, -65, 50); + cairo_close_path (cr); +} + +/* Fill the same path twice, once with each fill rule */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 0, 0); + + cairo_translate (cr, 1, 1); + little_star_path (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); + cairo_fill (cr); + + cairo_translate (cr, LITTLE_STAR_SIZE + 1, 0); + little_star_path (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_fill (cr); + + cairo_translate (cr, -(LITTLE_STAR_SIZE + 1), LITTLE_STAR_SIZE + 1); + big_star_path (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); + cairo_fill (cr); + + cairo_translate (cr, BIG_STAR_SIZE + 1, 0); + big_star_path (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (fill_rule, + "Tests cairo_set_fill_rule with some star shapes", + "fill, path", /* keywords */ + NULL, /* requirements */ + BIG_STAR_SIZE * 2 + 3, BIG_STAR_SIZE + LITTLE_STAR_SIZE + 3, + NULL, draw) diff --git a/test/filter-bilinear-extents.c b/test/filter-bilinear-extents.c new file mode 100644 index 000000000..79d36f6e6 --- /dev/null +++ b/test/filter-bilinear-extents.c @@ -0,0 +1,102 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: Carl D. Worth <cworth@cworth.org> + * Owen Taylor <otaylor@redhat.com> + */ + +#include "cairo-test.h" + +/* This test exercises code that computes the extents of a surface + * pattern with CAIRO_FILTER_BILINEAR, (where the filtering + * effectively increases the extents of the pattern). + * + * The original bug was reported by Owen Taylor here: + * + * bad clipping with EXTEND_NONE + * http://bugs.freedesktop.org/show_bug.cgi?id=15349 + */ + +#define SCALE 10 +#define PAD 3 +#define WIDTH (PAD + 3 * SCALE + PAD) +#define HEIGHT WIDTH + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *image; + cairo_t *cr2; + + image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 2, 2); + + /* Fill with an opaque background to avoid a separate rgb24 ref image */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + /* First check handling of pattern extents > surface extents */ + cairo_save (cr); + cairo_scale (cr, width/2., height/2.); + + /* Create a solid black source to merge with the background */ + cr2 = cairo_create (image); + cairo_set_source_rgb (cr2, 0, 0 ,0); + cairo_paint (cr2); + cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_BILINEAR); + cairo_paint (cr); + cairo_restore (cr); + + /* Then scale to smaller so we can see the full bilinear extents */ + cairo_save (cr); + cairo_translate (cr, PAD, PAD); + cairo_scale (cr, SCALE, SCALE); + cairo_translate (cr, 0.5, 0.5); + + /* Create a 2x2 blue+red checkerboard source */ + cr2 = cairo_create (image); + cairo_set_source_rgb (cr2, 1, 0 ,0); /* red */ + cairo_paint (cr2); + cairo_set_source_rgb (cr2, 0, 0, 1); /* blue */ + cairo_rectangle (cr2, 0, 1, 1, 1); + cairo_rectangle (cr2, 1, 0, 1, 1); + cairo_fill (cr2); + cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_BILINEAR); + cairo_paint (cr); + cairo_restore (cr); + + cairo_surface_destroy (image); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (filter_bilinear_extents, + "Test that pattern extents are properly computed for CAIRO_FILTER_BILINEAR", + "extents", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/filter-nearest-offset.c b/test/filter-nearest-offset.c new file mode 100644 index 000000000..4df609702 --- /dev/null +++ b/test/filter-nearest-offset.c @@ -0,0 +1,109 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define STAMP_WIDTH 4 +#define STAMP_HEIGHT 4 +#define PAD 1 + +#define STEPS 10 + +#define IMAGE_WIDTH (PAD + STEPS * (STAMP_WIDTH + PAD) + PAD) +#define IMAGE_HEIGHT (PAD + STEPS * (STAMP_HEIGHT + PAD) + PAD) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + uint32_t data[STAMP_WIDTH * STAMP_HEIGHT] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff + }; + int i, j; + + /* fill with off-white to avoid a separate rgb24 ref image */ + cairo_save (cr); + cairo_set_source_rgb (cr, .7, .7, .7); + cairo_paint (cr); + cairo_restore (cr); + + /* Draw reference lines where the jump should be. */ + cairo_move_to (cr, PAD + STEPS / 2 * (STAMP_WIDTH + PAD), 0); + cairo_rel_line_to (cr, 0, IMAGE_HEIGHT); + cairo_move_to (cr, 0, PAD + STEPS / 2 * (STAMP_HEIGHT + PAD)); + cairo_rel_line_to (cr, IMAGE_WIDTH, 0); + cairo_set_line_width (cr, 2.0); + cairo_stroke (cr); + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, + STAMP_WIDTH, + STAMP_HEIGHT, + STAMP_WIDTH * 4); + + for (j=0; j < STEPS; j++) { + double j_step; + + for (i=0; i < STEPS; i++) { + double i_step; + +#define GENERATE_REFERENCE_IMAGE 0 +#if GENERATE_REFERENCE_IMAGE + i_step = i >= STEPS / 2 ? 1 : 0; + j_step = j >= STEPS / 2 ? 1 : 0; +#else + i_step = i * 1.0 / STEPS; + j_step = j * 1.0 / STEPS; +#endif + + cairo_save (cr); + + cairo_set_source_surface (cr, surface, + PAD + i * (STAMP_WIDTH + PAD) + i_step, + PAD + j * (STAMP_HEIGHT + PAD) + j_step); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint (cr); + + cairo_restore (cr); + } + } + + cairo_surface_finish (surface); /* data goes out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (filter_nearest_offset, + "Test sampling offset of CAIRO_FILTER_NEAREST" + "\nwrong sampling location for nearest-neighbor filter in libpixman and Render", + "filter", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/filter-nearest-transformed.c b/test/filter-nearest-transformed.c new file mode 100644 index 000000000..ba56f7c5a --- /dev/null +++ b/test/filter-nearest-transformed.c @@ -0,0 +1,120 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* + * We wish to check the optimization away of non-fractional translations + * for NEAREST surface patterns under a few transformations. + */ + +static const char png_filename[] = "romedalen.png"; + +/* A single, black pixel */ +static const uint32_t black_pixel = 0xff000000; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + unsigned int i, j, k; + cairo_surface_t *surface; + cairo_pattern_t *pattern; + const cairo_matrix_t transform[] = { + { 1, 0, 0, 1, 0, 0 }, + { -1, 0, 0, 1, 8, 0 }, + { 1, 0, 0, -1, 0, 8 }, + { -1, 0, 0, -1, 8, 8 }, + }; + const cairo_matrix_t ctx_transform[] = { + { 1, 0, 0, 1, 0, 0 }, + { -1, 0, 0, 1, 14, 0 }, + { 1, 0, 0, -1, 0, 14 }, + { -1, 0, 0, -1, 14, 14 }, + }; + const double colour[][3] = { + {0, 0, 0}, + {1, 0, 0}, + {0, 1, 0}, + {0, 0, 1}, + }; + cairo_matrix_t m; + + surface = cairo_image_surface_create_for_data ((uint8_t *) &black_pixel, + CAIRO_FORMAT_ARGB32, + 1, 1, 4); + pattern = cairo_pattern_create_for_surface (surface); + cairo_surface_destroy (surface); + + cairo_pattern_set_filter (pattern, CAIRO_FILTER_NEAREST); + + surface = cairo_test_create_surface_from_png (ctx, png_filename); + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + for (k = 0; k < ARRAY_LENGTH (transform); k++) { + /* draw a "large" section from an image */ + cairo_save (cr); { + cairo_set_matrix(cr, &ctx_transform[k]); + cairo_rectangle (cr, 0, 0, 7, 7); + cairo_clip (cr); + + cairo_set_source_surface (cr, surface, + -cairo_image_surface_get_width (surface)/2., + -cairo_image_surface_get_height (surface)/2.); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint (cr); + } cairo_restore (cr); + + cairo_set_source_rgb (cr, colour[k][0], colour[k][1], colour[k][2]); + for (j = 4; j <= 6; j++) { + for (i = 4; i <= 6; i++) { + cairo_matrix_init_translate (&m, + -(2*(i-4) + .1*i), + -(2*(j-4) + .1*j)); + cairo_matrix_multiply (&m, &m, &transform[k]); + cairo_pattern_set_matrix (pattern, &m); + cairo_mask (cr, pattern); + } + } + } + + cairo_pattern_destroy (pattern); + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (filter_nearest_transformed, + "Test sample position when drawing transformed images with FILTER_NEAREST", + "filter, nearest", /* keywords */ + NULL, + 14, 14, + NULL, draw) diff --git a/test/finer-grained-fallbacks.c b/test/finer-grained-fallbacks.c new file mode 100644 index 000000000..fa16f72f0 --- /dev/null +++ b/test/finer-grained-fallbacks.c @@ -0,0 +1,180 @@ +/* + * Copyright © 2008 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define CIRCLE_SIZE 10 +#define PAD 2 +#define WIDTH (CIRCLE_SIZE*6.5 + PAD) +#define HEIGHT (CIRCLE_SIZE*7.0 + PAD) + +static void +draw_circle (cairo_t *cr, double x, double y) +{ + cairo_save (cr); + cairo_translate (cr, x, y); + cairo_arc (cr, 0, 0, CIRCLE_SIZE / 2, 0., 2. * M_PI); + cairo_fill (cr); + cairo_restore (cr); +} + +static void +draw_image_circle (cairo_t *cr, cairo_surface_t *source, double x, double y) +{ + cairo_save (cr); + + cairo_set_source_surface (cr, source, x, y); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT); + cairo_rectangle (cr, x, y, CIRCLE_SIZE, CIRCLE_SIZE); + cairo_fill (cr); + + cairo_restore (cr); +} + +static void +draw_circles (cairo_t *cr) +{ + draw_circle (cr, 0, -CIRCLE_SIZE*0.1); + draw_circle (cr, CIRCLE_SIZE*0.4, CIRCLE_SIZE*0.25); + + draw_circle (cr, CIRCLE_SIZE*2, 0); + draw_circle (cr, CIRCLE_SIZE*4, 0); + draw_circle (cr, CIRCLE_SIZE*6, 0); +} + +static void +draw_image_circles (cairo_t *cr, cairo_surface_t *source) +{ + draw_image_circle (cr, source, 0, -CIRCLE_SIZE*0.1); + draw_image_circle (cr, source, CIRCLE_SIZE*0.4, CIRCLE_SIZE*0.25); + + draw_image_circle (cr, source, CIRCLE_SIZE*2, 0); + draw_image_circle (cr, source, CIRCLE_SIZE*4, 0); + draw_image_circle (cr, source, CIRCLE_SIZE*6, 0); +} + +/* For each of circle and fallback_circle we draw: + * - two overlapping + * - one isolated + * - one off the page + * - one overlapping the edge of the page. + * + * We also draw a circle and fallback_circle overlapping each other. + * + * Circles are drawn in green. An opaque color and CAIRO_OPERATOR_OVER + * is used to ensure they will be emitted as a vectors in PS/PDF. + * + * Fallback circles are drawn in red. CAIRO_OPERATOR_ADD is used to + * ensure they will be emitted as a fallback image in PS/PDF. + * + * In order to trigger a fallback for SVG, we need to use a surface with + * REFLECT. + */ +static cairo_surface_t * +surface_create (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_surface_create_similar (cairo_get_target (target), + CAIRO_CONTENT_COLOR_ALPHA, + CIRCLE_SIZE, CIRCLE_SIZE); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + draw_circle (cr, CIRCLE_SIZE/2, CIRCLE_SIZE/2); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + + cairo_translate (cr, PAD, PAD); + + cairo_save (cr); + + /* Draw overlapping circle and fallback circle */ + cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + draw_circle (cr, CIRCLE_SIZE*0.5, CIRCLE_SIZE*1.5); + + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + draw_circle (cr, CIRCLE_SIZE*0.75, CIRCLE_SIZE*1.75); + + /* Draw circles */ + cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_translate (cr, CIRCLE_SIZE*2.5, CIRCLE_SIZE*0.6); + draw_circles (cr); + + /* Draw fallback circles */ + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + cairo_translate (cr, 0, CIRCLE_SIZE*2); + draw_circles (cr); + + cairo_restore (cr); + cairo_translate (cr, 0, CIRCLE_SIZE * 3.5); + + /* Draw using fallback surface */ + surface = surface_create (cr); + + cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + draw_circle (cr, CIRCLE_SIZE*0.5, CIRCLE_SIZE*1.5); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + draw_image_circle (cr, surface, CIRCLE_SIZE/4, CIRCLE_SIZE + CIRCLE_SIZE/4); + + /* Draw circles */ + cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_translate (cr, CIRCLE_SIZE*2.5, CIRCLE_SIZE*0.6); + draw_circles (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + cairo_translate (cr, -CIRCLE_SIZE/2, CIRCLE_SIZE*1.5); + draw_image_circles (cr, surface); + + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (finer_grained_fallbacks, + "Test that multiple PS/PDF fallback images in various locations are correct", + "fallbacks", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/font-face-get-type.c b/test/font-face-get-type.c new file mode 100644 index 000000000..afbb73944 --- /dev/null +++ b/test/font-face-get-type.c @@ -0,0 +1,79 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_test_status_t status = CAIRO_TEST_SUCCESS; + cairo_surface_t *surface; + cairo_t *cr; + cairo_font_face_t *font_face; + cairo_scaled_font_t *scaled_font; + + cairo_test_log (ctx, "Creating cairo context and obtaining a font face\n"); + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1); + cr = cairo_create (surface); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + cairo_test_log (ctx, "Testing return value of cairo_font_face_get_type\n"); + + font_face = cairo_get_font_face (cr); + + if (cairo_font_face_get_type (font_face) != CAIRO_FONT_TYPE_TOY) { + cairo_test_log (ctx, "Unexpected value %d from cairo_font_face_get_type (expected %d)\n", + cairo_font_face_get_type (font_face), CAIRO_FONT_TYPE_TOY); + status = CAIRO_TEST_FAILURE; + goto done; + } + + cairo_test_log (ctx, "Testing return value of cairo_get_scaled_font\n"); + + scaled_font = cairo_get_scaled_font (cr); + + if (cairo_scaled_font_get_font_face (scaled_font) != font_face) { + cairo_test_log (ctx, "Font face returned from the scaled font is different from that returned by the context\n"); + status = CAIRO_TEST_FAILURE; + goto done; + } + +done: + cairo_destroy (cr); + cairo_surface_destroy (surface); + + return status; +} + +CAIRO_TEST (font_face_get_type, + "Check the returned type from cairo_select_font_face.", + "font", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/font-matrix-translation.c b/test/font-matrix-translation.c new file mode 100644 index 000000000..465ac7cf4 --- /dev/null +++ b/test/font-matrix-translation.c @@ -0,0 +1,141 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define TEXT_SIZE 12 +#define PAD 4 +#define TEXT "text" + +static cairo_bool_t +text_extents_equal (const cairo_text_extents_t *A, + const cairo_text_extents_t *B) +{ + return A->x_bearing == B->x_bearing && + A->y_bearing == B->y_bearing && + A->width == B->width && + A->height == B->height && + A->x_advance == B->x_advance && + A->y_advance == B->y_advance; +} + +static cairo_test_status_t +box_text (const cairo_test_context_t *ctx, cairo_t *cr, + const char *utf8, + double x, double y) +{ + double line_width; + cairo_text_extents_t extents = {0}, scaled_extents = {0}; + cairo_scaled_font_t *scaled_font; + cairo_status_t status; + + cairo_save (cr); + + cairo_text_extents (cr, utf8, &extents); + + scaled_font = cairo_get_scaled_font (cr); + cairo_scaled_font_text_extents (scaled_font, TEXT, &scaled_extents); + status = cairo_scaled_font_status (scaled_font); + if (status) + return cairo_test_status_from_status (ctx, status); + + if (! text_extents_equal (&extents, &scaled_extents)) { + cairo_test_log (ctx, + "Error: extents differ when they shouldn't:\n" + "cairo_text_extents(); extents (%g, %g, %g, %g, %g, %g)\n" + "cairo_scaled_font_text_extents(); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance, + scaled_extents.x_bearing, scaled_extents.y_bearing, + scaled_extents.width, scaled_extents.height, + scaled_extents.x_advance, scaled_extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + line_width = cairo_get_line_width (cr); + cairo_rectangle (cr, + x + extents.x_bearing - line_width / 2, + y + extents.y_bearing - line_width / 2, + extents.width + line_width, + extents.height + line_width); + cairo_stroke (cr); + + cairo_move_to (cr, x, y); + cairo_show_text (cr, utf8); + + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_test_status_t status; + cairo_text_extents_t extents; + cairo_matrix_t matrix; + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + cairo_translate (cr, PAD, PAD); + cairo_set_line_width (cr, 1.0); + + cairo_text_extents (cr, TEXT, &extents); + + /* Draw text and bounding box */ + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + status = box_text (ctx, cr, TEXT, 0, - extents.y_bearing); + if (status) + return status; + + /* Then draw again with the same coordinates, but with a font + * matrix to position the text below and shifted a bit to the + * right. */ + cairo_matrix_init_translate (&matrix, TEXT_SIZE / 2, TEXT_SIZE + PAD); + cairo_matrix_scale (&matrix, TEXT_SIZE, TEXT_SIZE); + cairo_set_font_matrix (cr, &matrix); + + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + status = box_text (ctx, cr, TEXT, 0, - extents.y_bearing); + if (status) + return status; + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (font_matrix_translation, + "Test that translation in a font matrix can be used to offset a string", + "font", /* keywords */ + NULL, /* requirements */ + 38, 34, + NULL, draw) diff --git a/test/font-options.c b/test/font-options.c new file mode 100644 index 000000000..873a5c398 --- /dev/null +++ b/test/font-options.c @@ -0,0 +1,110 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#include <assert.h> + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_font_options_t *default_options; + cairo_font_options_t *nil_options; + cairo_surface_t *surface; + cairo_matrix_t identity; + cairo_t *cr; + cairo_scaled_font_t *scaled_font; + + /* first check NULL handling of cairo_font_options_t */ + default_options = cairo_font_options_create (); + assert (cairo_font_options_status (default_options) == CAIRO_STATUS_SUCCESS); + nil_options = cairo_font_options_copy (NULL); + assert (cairo_font_options_status (nil_options) == CAIRO_STATUS_NO_MEMORY); + + assert (cairo_font_options_equal (default_options, default_options)); + assert (! cairo_font_options_equal (default_options, nil_options)); + assert (! cairo_font_options_equal (NULL, nil_options)); + assert (! cairo_font_options_equal (nil_options, nil_options)); + assert (! cairo_font_options_equal (default_options, NULL)); + assert (! cairo_font_options_equal (NULL, default_options)); + + assert (cairo_font_options_hash (default_options) == cairo_font_options_hash (nil_options)); + assert (cairo_font_options_hash (NULL) == cairo_font_options_hash (nil_options)); + assert (cairo_font_options_hash (default_options) == cairo_font_options_hash (NULL)); + + cairo_font_options_merge (NULL, NULL); + cairo_font_options_merge (default_options, NULL); + cairo_font_options_merge (default_options, nil_options); + + cairo_font_options_set_antialias (NULL, CAIRO_ANTIALIAS_DEFAULT); + cairo_font_options_get_antialias (NULL); + assert (cairo_font_options_get_antialias (default_options) == CAIRO_ANTIALIAS_DEFAULT); + + cairo_font_options_set_subpixel_order (NULL, CAIRO_SUBPIXEL_ORDER_DEFAULT); + cairo_font_options_get_subpixel_order (NULL); + assert (cairo_font_options_get_subpixel_order (default_options) == CAIRO_SUBPIXEL_ORDER_DEFAULT); + + cairo_font_options_set_hint_style (NULL, CAIRO_HINT_STYLE_DEFAULT); + cairo_font_options_get_hint_style (NULL); + assert (cairo_font_options_get_hint_style (default_options) == CAIRO_HINT_STYLE_DEFAULT); + + cairo_font_options_set_hint_metrics (NULL, CAIRO_HINT_METRICS_DEFAULT); + cairo_font_options_get_hint_metrics (NULL); + assert (cairo_font_options_get_hint_metrics (default_options) == CAIRO_HINT_METRICS_DEFAULT); + + cairo_font_options_destroy (NULL); + cairo_font_options_destroy (default_options); + cairo_font_options_destroy (nil_options); + + + /* Now try creating fonts with NULLs */ + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 0, 0); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_matrix_init_identity (&identity); + scaled_font = cairo_scaled_font_create (cairo_get_font_face (cr), + &identity, &identity, + NULL); + assert (cairo_scaled_font_status (scaled_font) == CAIRO_STATUS_NULL_POINTER); + cairo_scaled_font_get_font_options (scaled_font, NULL); + cairo_scaled_font_destroy (scaled_font); + + assert (cairo_status (cr) == CAIRO_STATUS_SUCCESS); + cairo_get_font_options (cr, NULL); + cairo_set_font_options (cr, NULL); + assert (cairo_status (cr) == CAIRO_STATUS_NULL_POINTER); + + cairo_destroy (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (font_options, + "Check setters and getters on cairo_font_options_t.", + "font, api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/ft-font-create-for-ft-face.c b/test/ft-font-create-for-ft-face.c new file mode 100644 index 000000000..52c838dd4 --- /dev/null +++ b/test/ft-font-create-for-ft-face.c @@ -0,0 +1,228 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" +#include <cairo-ft.h> + +static void +_stress_font_cache (FT_Face ft_face, cairo_t *cr, int lvl); + +static cairo_font_face_t * +_load_font (FT_Face ft_face, int flags, cairo_t *cr, int lvl) +{ + cairo_font_face_t *font_face; + cairo_font_extents_t font_extents; + + _stress_font_cache (ft_face, cr, lvl+1); + + font_face = cairo_ft_font_face_create_for_ft_face (ft_face, flags); + + cairo_set_font_face (cr, font_face); + cairo_font_extents (cr, &font_extents); + + _stress_font_cache (ft_face, cr, lvl+1); + + return font_face; +} + +static void +_stress_font_cache (FT_Face ft_face, cairo_t *cr, int lvl) +{ +#define A _load_font (ft_face, 0, cr, lvl) +#define B _load_font (ft_face, FT_LOAD_NO_BITMAP, cr, lvl) +#define C _load_font (ft_face, FT_LOAD_NO_RECURSE, cr, lvl) +#define D _load_font (ft_face, FT_LOAD_FORCE_AUTOHINT, cr, lvl) + + cairo_font_face_t *font_face[4]; + + while (lvl++ < 5) { + font_face[0] = A; font_face[1] = A; + font_face[2] = A; font_face[3] = A; + cairo_font_face_destroy (font_face[0]); + cairo_font_face_destroy (font_face[1]); + cairo_font_face_destroy (font_face[2]); + cairo_font_face_destroy (font_face[3]); + + font_face[0] = A; font_face[1] = B; + font_face[2] = C; font_face[3] = D; + cairo_font_face_destroy (font_face[0]); + cairo_font_face_destroy (font_face[1]); + cairo_font_face_destroy (font_face[2]); + cairo_font_face_destroy (font_face[3]); + + font_face[0] = A; font_face[1] = B; + font_face[2] = C; font_face[3] = D; + cairo_font_face_destroy (font_face[3]); + cairo_font_face_destroy (font_face[2]); + cairo_font_face_destroy (font_face[1]); + cairo_font_face_destroy (font_face[0]); + + font_face[0] = A; + font_face[1] = A; + cairo_font_face_destroy (font_face[0]); + font_face[2] = A; + cairo_font_face_destroy (font_face[1]); + font_face[3] = A; + cairo_font_face_destroy (font_face[2]); + cairo_font_face_destroy (font_face[3]); + + font_face[0] = A; + font_face[1] = B; + cairo_font_face_destroy (font_face[0]); + font_face[2] = C; + cairo_font_face_destroy (font_face[1]); + font_face[3] = D; + cairo_font_face_destroy (font_face[2]); + cairo_font_face_destroy (font_face[3]); + } + +#undef A +#undef B +#undef C +#undef D +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + FcPattern *pattern, *resolved; + FcResult result; + cairo_font_face_t *font_face; + cairo_scaled_font_t *scaled_font; + cairo_font_options_t *font_options; + cairo_font_extents_t font_extents; + cairo_matrix_t font_matrix, ctm; + FT_Face ft_face; + + /* We're trying here to get our hands on _some_ FT_Face but we do + * not at all care which one. So we start with an empty pattern + * and do the minimal substitution on it in order to get a valid + * pattern. + * + * Do not use this in production code! */ + pattern = FcPatternCreate (); + if (! pattern) { + cairo_test_log (ctx, "FcPatternCreate failed.\n"); + return cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY); + } + + FcConfigSubstitute (NULL, pattern, FcMatchPattern); + FcDefaultSubstitute (pattern); + resolved = FcFontMatch (NULL, pattern, &result); + if (! resolved) { + FcPatternDestroy (pattern); + cairo_test_log (ctx, "FcFontMatch failed.\n"); + return cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY); + } + + font_face = cairo_ft_font_face_create_for_pattern (resolved); + if (cairo_font_face_status (font_face)) { + FcPatternDestroy (resolved); + FcPatternDestroy (pattern); + return cairo_test_status_from_status (ctx, cairo_font_face_status (font_face)); + } + + if (cairo_font_face_get_type (font_face) != CAIRO_FONT_TYPE_FT) { + cairo_test_log (ctx, "Unexpected value from cairo_font_face_get_type: %d (expected %d)\n", + cairo_font_face_get_type (font_face), CAIRO_FONT_TYPE_FT); + cairo_font_face_destroy (font_face); + FcPatternDestroy (resolved); + FcPatternDestroy (pattern); + return CAIRO_TEST_FAILURE; + } + + cairo_matrix_init_identity (&font_matrix); + + cairo_get_matrix (cr, &ctm); + + font_options = cairo_font_options_create (); + + cairo_get_font_options (cr, font_options); + + scaled_font = cairo_scaled_font_create (font_face, + &font_matrix, + &ctm, + font_options); + + cairo_font_options_destroy (font_options); + cairo_font_face_destroy (font_face); + FcPatternDestroy (pattern); + FcPatternDestroy (resolved); + + if (cairo_scaled_font_status (scaled_font)) { + return cairo_test_status_from_status (ctx, + cairo_scaled_font_status (scaled_font)); + } + + if (cairo_scaled_font_get_type (scaled_font) != CAIRO_FONT_TYPE_FT) { + cairo_test_log (ctx, "Unexpected value from cairo_scaled_font_get_type: %d (expected %d)\n", + cairo_scaled_font_get_type (scaled_font), CAIRO_FONT_TYPE_FT); + cairo_scaled_font_destroy (scaled_font); + return CAIRO_TEST_FAILURE; + } + + ft_face = cairo_ft_scaled_font_lock_face (scaled_font); + if (ft_face == NULL) { + cairo_test_log (ctx, "Failed to get an ft_face with cairo_ft_scaled_font_lock_face\n"); + cairo_scaled_font_destroy (scaled_font); + return CAIRO_TEST_FAILURE; + } + + /* phew, that was a lot of work. But at least we didn't ever have + * to call freetype directly, nor did we have to make many (any?) + * assumptions about the current system. + * + * Now, on to the simple thing we actually want to test. + */ + + cairo_save (cr); + + /* First we want to test caching behaviour */ + _stress_font_cache (ft_face, cr, 0); + + /* Set the font_face and force cairo to actually use it for + * something. */ + font_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0); + cairo_set_font_face (cr, font_face); + cairo_font_extents (cr, &font_extents); + + cairo_restore (cr); + + /* Finally, even more cleanup */ + cairo_font_face_destroy (font_face); + cairo_ft_scaled_font_unlock_face (scaled_font); + cairo_scaled_font_destroy (scaled_font); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (ft_font_create_for_ft_face, + "Simple test to verify that cairo_ft_font_create_for_ft_face doesn't crash.", + "ft, font", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) + diff --git a/test/ft-show-glyphs-positioning.c b/test/ft-show-glyphs-positioning.c new file mode 100644 index 000000000..449f8eb1f --- /dev/null +++ b/test/ft-show-glyphs-positioning.c @@ -0,0 +1,191 @@ +/* + * Copyright © 2008 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" +#include <cairo-ft.h> + +#define TEXT_SIZE 12 + +typedef struct { + cairo_glyph_t glyph_list[100]; + int num_glyphs; + double x; + double y; +} glyph_array_t; + +static void +glyph_array_init (glyph_array_t *glyphs, double x, double y) +{ + glyphs->num_glyphs = 0; + glyphs->x = x; + glyphs->y = y; +} + +static void +glyph_array_rel_move_to (glyph_array_t *glyphs, double x, double y) +{ + glyphs->x += x; + glyphs->y += y; +} + +static void +glyph_array_show (glyph_array_t *glyphs, cairo_t *cr) +{ + cairo_show_glyphs (cr, glyphs->glyph_list, glyphs->num_glyphs); +} + +#define DOUBLE_FROM_26_6(t) ((double)(t) / 64.0) + +static cairo_status_t +glyph_array_add_text(glyph_array_t *glyphs, cairo_t *cr, const char *s, double spacing) +{ + cairo_scaled_font_t *scaled_font; + cairo_status_t status; + FT_Face face; + unsigned long charcode; + unsigned int index; + cairo_text_extents_t extents; + const char *p; + FT_Vector kerning; + double kern_x; + int first = TRUE; + + scaled_font = cairo_get_scaled_font (cr); + status = cairo_scaled_font_status (scaled_font); + if (status) + return status; + + face = cairo_ft_scaled_font_lock_face (scaled_font); + if (face == NULL) + return CAIRO_STATUS_FONT_TYPE_MISMATCH; + + p = s; + while (*p) + { + charcode = *p; + index = FT_Get_Char_Index (face, charcode); + glyphs->glyph_list[glyphs->num_glyphs].index = index; + if (first) { + first = FALSE; + glyphs->glyph_list[glyphs->num_glyphs].x = glyphs->x; + glyphs->glyph_list[glyphs->num_glyphs].y = glyphs->y; + } else { + cairo_glyph_extents (cr, &glyphs->glyph_list[glyphs->num_glyphs - 1], 1, &extents); + FT_Get_Kerning (face, + glyphs->glyph_list[glyphs->num_glyphs - 1].index, + glyphs->glyph_list[glyphs->num_glyphs].index, + FT_KERNING_UNSCALED, + &kerning); + kern_x = DOUBLE_FROM_26_6(kerning.x); + glyphs->glyph_list[glyphs->num_glyphs].x = + glyphs->glyph_list[glyphs->num_glyphs - 1].x + extents.x_advance + kern_x + spacing; + glyphs->glyph_list[glyphs->num_glyphs].y = + glyphs->glyph_list[glyphs->num_glyphs - 1].y + extents.y_advance; + } + + cairo_glyph_extents (cr, &glyphs->glyph_list[glyphs->num_glyphs], 1, &extents); + glyphs->x = glyphs->glyph_list[glyphs->num_glyphs].x + extents.x_advance + spacing; + glyphs->y = glyphs->glyph_list[glyphs->num_glyphs].y + extents.y_advance; + p++; + glyphs->num_glyphs++; + } + + cairo_ft_scaled_font_unlock_face (scaled_font); + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + glyph_array_t glyphs; + cairo_font_options_t *font_options; + cairo_status_t status; + + /* paint white so we don't need separate ref images for + * RGB24 and ARGB32 */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + font_options = cairo_font_options_create (); + cairo_get_font_options (cr, font_options); + cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF); + cairo_set_font_options (cr, font_options); + cairo_font_options_destroy (font_options); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + + glyph_array_init (&glyphs, 1, TEXT_SIZE); + + status = glyph_array_add_text(&glyphs, cr, "AWAY again", 0.0); + if (status) + return cairo_test_status_from_status (ctx, status); + + glyph_array_rel_move_to (&glyphs, TEXT_SIZE*1, 0.0); + status = glyph_array_add_text(&glyphs, cr, "character space", TEXT_SIZE*0.3); + if (status) + return cairo_test_status_from_status (ctx, status); + + glyph_array_show (&glyphs, cr); + + + glyph_array_init (&glyphs, 1, TEXT_SIZE*2 + 4); + + status = glyph_array_add_text(&glyphs, cr, "Increasing", 0.0); + if (status) + return cairo_test_status_from_status (ctx, status); + + glyph_array_rel_move_to (&glyphs, TEXT_SIZE*0.5, 0.0); + status = glyph_array_add_text(&glyphs, cr, "space", 0.0); + if (status) + return cairo_test_status_from_status (ctx, status); + + glyph_array_rel_move_to (&glyphs, TEXT_SIZE*1.0, 0.0); + status = glyph_array_add_text(&glyphs, cr, "between", 0.0); + if (status) + return cairo_test_status_from_status (ctx, status); + + glyph_array_rel_move_to (&glyphs, TEXT_SIZE*1.5, 0.0); + status = glyph_array_add_text(&glyphs, cr, "words", 0.0); + if (status) + return cairo_test_status_from_status (ctx, status); + + glyph_array_show (&glyphs, cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (ft_show_glyphs_positioning, + "Test that the PS/PDF glyph positioning optimizations are correct", + "ft, text", /* keywords */ + NULL, /* requirements */ + 235, (TEXT_SIZE + 4)*2, + NULL, draw) diff --git a/test/ft-show-glyphs-table.c b/test/ft-show-glyphs-table.c new file mode 100644 index 000000000..344392f40 --- /dev/null +++ b/test/ft-show-glyphs-table.c @@ -0,0 +1,109 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: Eugeniy Meshcheryakov <eugen@debian.org> + * Adrian Johnson <ajohnson@redneon.com> + * Carl Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" +#include <cairo-ft.h> + +#define TEXT_SIZE 20 +#define PAD 10 +#define GRID_SIZE 30 +#define GRID_ROWS 10 +#define GRID_COLS 4 +#define NUM_GLYPHS (GRID_ROWS * GRID_COLS) +#define WIDTH (PAD + GRID_COLS * GRID_SIZE + PAD) +#define HEIGHT (PAD + GRID_ROWS * GRID_SIZE + PAD) + +/* This test was originally inspired by this bug report: + * + * Error when creating pdf charts for new FreeSerifItalic.ttf + * http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%23474136 + * + * The original assertion failure was fairly boring, but the later + * glyph mispositiing was quite interesting. And it turns out that the + * _cairo_pdf_operators_show_glyphs code is fairly convoluted with a + * code path that wasn't being exercised at all by the test suite. + * + * So this is an attempt to exercise that code path. Apparently laying + * glyphs out vertically in a table like this, (so that there's a + * large change in Y position from one glyph to the next), exercises + * the code well. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_options_t *font_options; + cairo_scaled_font_t *scaled_font; + FT_Face face; + FT_ULong charcode; + FT_UInt idx; + int i = 0; + cairo_glyph_t glyphs[NUM_GLYPHS]; + + /* paint white so we don't need separate ref images for + * RGB24 and ARGB32 */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + font_options = cairo_font_options_create (); + cairo_get_font_options (cr, font_options); + cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF); + cairo_set_font_options (cr, font_options); + cairo_font_options_destroy (font_options); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + + scaled_font = cairo_get_scaled_font (cr); + face = cairo_ft_scaled_font_lock_face (scaled_font); + { + charcode = FT_Get_First_Char(face, &idx); + while (idx && (i < NUM_GLYPHS)) { + glyphs[i] = (cairo_glyph_t) {idx, PAD + GRID_SIZE * (i/GRID_ROWS), PAD + TEXT_SIZE + GRID_SIZE * (i%GRID_ROWS)}; + i++; + charcode = FT_Get_Next_Char(face, charcode, &idx); + } + } + cairo_ft_scaled_font_unlock_face (scaled_font); + + cairo_show_glyphs(cr, glyphs, i); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (ft_show_glyphs_table, + "Test cairo_show_glyphs with cairo-ft backend and glyphs laid out in a table", + "ft, text", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) + diff --git a/test/ft-text-antialias-none.c b/test/ft-text-antialias-none.c new file mode 100644 index 000000000..64eea64f9 --- /dev/null +++ b/test/ft-text-antialias-none.c @@ -0,0 +1,146 @@ +/* + * Copyright © 2006 Jinghua Luo + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JINGHUA LUO DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Jinghua Luo <sunmoon1997@gmail.com> + * Derived from: + * text-antialias-none.c, + * ft-font-create-for-ft-face.c. + * Original Author: Carl D. Worth <cworth@cworth.org> + */ +#include "cairo-test.h" +#include <cairo-ft.h> + +#define WIDTH 40 +#define HEIGHT 30 +#define TEXT_SIZE 12 + +static cairo_status_t +create_scaled_font (cairo_t * cr, + cairo_scaled_font_t **out) +{ + FcPattern *pattern, *resolved; + FcResult result; + cairo_font_face_t *font_face; + cairo_scaled_font_t *scaled_font; + cairo_font_options_t *font_options; + cairo_matrix_t font_matrix, ctm; + cairo_status_t status; + double pixel_size; + + font_options = cairo_font_options_create (); + + cairo_get_font_options (cr, font_options); + + pattern = FcPatternCreate (); + if (pattern == NULL) + return CAIRO_STATUS_NO_MEMORY; + + FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *) CAIRO_TEST_FONT_FAMILY " Sans"); + FcPatternAddDouble (pattern, FC_SIZE, TEXT_SIZE); + FcConfigSubstitute (NULL, pattern, FcMatchPattern); + + cairo_ft_font_options_substitute (font_options, pattern); + + FcDefaultSubstitute (pattern); + resolved = FcFontMatch (NULL, pattern, &result); + if (resolved == NULL) { + FcPatternDestroy (pattern); + return CAIRO_STATUS_NO_MEMORY; + } + + /* turn antialiasing off */ + FcPatternDel (resolved, FC_ANTIALIAS); + FcPatternAddBool (resolved, FC_ANTIALIAS, FcFalse); + + FcPatternGetDouble (resolved, FC_PIXEL_SIZE, 0, &pixel_size); + + font_face = cairo_ft_font_face_create_for_pattern (resolved); + + cairo_matrix_init_identity (&font_matrix); + cairo_matrix_scale (&font_matrix, pixel_size, pixel_size); + + cairo_get_matrix (cr, &ctm); + + scaled_font = cairo_scaled_font_create (font_face, + &font_matrix, + &ctm, + font_options); + + cairo_font_options_destroy (font_options); + cairo_font_face_destroy (font_face); + FcPatternDestroy (pattern); + FcPatternDestroy (resolved); + + status = cairo_scaled_font_status (scaled_font); + if (status) { + cairo_scaled_font_destroy (scaled_font); + return status; + } + + *out = scaled_font; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_text_extents_t extents; + cairo_scaled_font_t *scaled_font; + cairo_status_t status; + const char black[] = "black", blue[] = "blue"; + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + status = create_scaled_font (cr, &scaled_font); + if (status) { + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); + } + + cairo_set_scaled_font (cr, scaled_font); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + cairo_text_extents (cr, black, &extents); + cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing); + cairo_show_text (cr, black); + cairo_translate (cr, 0, -extents.y_bearing + 1); + + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_text_extents (cr, blue, &extents); + cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing); + cairo_show_text (cr, blue); + + cairo_scaled_font_destroy (scaled_font); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (ft_text_antialias_none, + "Tests text rendering with no antialiasing", + "ft, text", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/ft-text-vertical-layout-type1.c b/test/ft-text-vertical-layout-type1.c new file mode 100644 index 000000000..c6f26a66a --- /dev/null +++ b/test/ft-text-vertical-layout-type1.c @@ -0,0 +1,167 @@ +/* + * Copyright © 2006 Jinghua Luo + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JINGHUA LUO DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Jinghua Luo <sunmoon1997@gmail.com> + * Derived from: + * text-antialias-none.c, + * ft-font-create-for-ft-face.c. + * Original Author: Carl D. Worth <cworth@cworth.org> + */ +#include "cairo-test.h" +#include <cairo-ft.h> + +#define WIDTH 80 +#define HEIGHT 240 +#define TEXT_SIZE 30 + +static cairo_status_t +create_scaled_font (cairo_t * cr, + cairo_scaled_font_t **out) +{ + FcPattern *pattern, *resolved; + FcResult result; + cairo_font_face_t *font_face; + cairo_scaled_font_t *scaled_font; + cairo_font_options_t *font_options; + cairo_matrix_t font_matrix, ctm; + cairo_status_t status; + double pixel_size; + + font_options = cairo_font_options_create (); + + cairo_get_font_options (cr, font_options); + + pattern = FcPatternCreate (); + if (pattern == NULL) + return CAIRO_STATUS_NO_MEMORY; + + FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *)"Nimbus Sans L"); + FcPatternAddDouble (pattern, FC_PIXEL_SIZE, TEXT_SIZE); + FcConfigSubstitute (NULL, pattern, FcMatchPattern); + + cairo_ft_font_options_substitute (font_options, pattern); + + FcDefaultSubstitute (pattern); + resolved = FcFontMatch (NULL, pattern, &result); + if (resolved == NULL) { + FcPatternDestroy (pattern); + return CAIRO_STATUS_NO_MEMORY; + } + + /* set layout to vertical */ + FcPatternDel (resolved, FC_VERTICAL_LAYOUT); + FcPatternAddBool (resolved, FC_VERTICAL_LAYOUT, FcTrue); + + FcPatternGetDouble (resolved, FC_PIXEL_SIZE, 0, &pixel_size); + + font_face = cairo_ft_font_face_create_for_pattern (resolved); + + cairo_matrix_init_translate (&font_matrix, 10, 30); + cairo_matrix_rotate (&font_matrix, M_PI_2/3); + cairo_matrix_scale (&font_matrix, pixel_size, pixel_size); + + cairo_get_matrix (cr, &ctm); + + scaled_font = cairo_scaled_font_create (font_face, + &font_matrix, + &ctm, + font_options); + + cairo_font_options_destroy (font_options); + cairo_font_face_destroy (font_face); + FcPatternDestroy (pattern); + FcPatternDestroy (resolved); + + status = cairo_scaled_font_status (scaled_font); + if (status) { + cairo_scaled_font_destroy (scaled_font); + return status; + } + + *out = scaled_font; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_text_extents_t extents; + cairo_scaled_font_t *scaled_font; + cairo_status_t status; + const char text[] = "i-W"; + double line_width, x, y; + + line_width = cairo_get_line_width (cr); + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + status = create_scaled_font (cr, &scaled_font); + if (status) { + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); + } + + cairo_set_scaled_font (cr, scaled_font); + cairo_scaled_font_destroy (scaled_font); + + cairo_set_line_width (cr, 1.0); + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + cairo_text_extents (cr, text, &extents); + x = width - (extents.width + extents.x_bearing) - 5; + y = height - (extents.height + extents.y_bearing) - 5; + cairo_move_to (cr, x, y); + cairo_show_text (cr, text); + cairo_rectangle (cr, + x + extents.x_bearing - line_width / 2, + y + extents.y_bearing - line_width / 2, + extents.width + line_width, + extents.height + line_width); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_text_extents (cr, text, &extents); + x = -extents.x_bearing + 5; + y = -extents.y_bearing + 5; + cairo_move_to (cr, x, y); + cairo_text_path (cr, text); + cairo_fill (cr); + cairo_rectangle (cr, + x + extents.x_bearing - line_width / 2, + y + extents.y_bearing - line_width / 2, + extents.width + line_width, + extents.height + line_width); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (ft_text_vertical_layout_type1, + "Tests text rendering for vertical layout with Type1 fonts" + "\nCan fail if an incorrect font is loaded---need to bundle the desired font", + "ft, fc, text", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/ft-text-vertical-layout-type3.c b/test/ft-text-vertical-layout-type3.c new file mode 100644 index 000000000..0cea9dd80 --- /dev/null +++ b/test/ft-text-vertical-layout-type3.c @@ -0,0 +1,166 @@ +/* + * Copyright © 2006 Jinghua Luo + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JINGHUA LUO DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Jinghua Luo <sunmoon1997@gmail.com> + * Derived from: + * text-antialias-none.c, + * ft-font-create-for-ft-face.c. + * Original Author: Carl D. Worth <cworth@cworth.org> + */ +#include "cairo-test.h" +#include <cairo-ft.h> + +#define WIDTH 80 +#define HEIGHT 200 +#define TEXT_SIZE 30 + +static cairo_status_t +create_scaled_font (cairo_t * cr, + cairo_scaled_font_t **out) +{ + FcPattern *pattern, *resolved; + FcResult result; + cairo_font_face_t *font_face; + cairo_scaled_font_t *scaled_font; + cairo_font_options_t *font_options; + cairo_matrix_t font_matrix, ctm; + cairo_status_t status; + double pixel_size; + + font_options = cairo_font_options_create (); + + cairo_get_font_options (cr, font_options); + + pattern = FcPatternCreate (); + if (pattern == NULL) + return CAIRO_STATUS_NO_MEMORY; + + FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *)CAIRO_TEST_FONT_FAMILY " Sans"); + FcPatternAddDouble (pattern, FC_PIXEL_SIZE, TEXT_SIZE); + FcConfigSubstitute (NULL, pattern, FcMatchPattern); + + cairo_ft_font_options_substitute (font_options, pattern); + + FcDefaultSubstitute (pattern); + resolved = FcFontMatch (NULL, pattern, &result); + if (resolved == NULL) { + FcPatternDestroy (pattern); + return CAIRO_STATUS_NO_MEMORY; + } + + /* set layout to vertical */ + FcPatternDel (resolved, FC_VERTICAL_LAYOUT); + FcPatternAddBool (resolved, FC_VERTICAL_LAYOUT, FcTrue); + + FcPatternGetDouble (resolved, FC_PIXEL_SIZE, 0, &pixel_size); + + font_face = cairo_ft_font_face_create_for_pattern (resolved); + + cairo_matrix_init_translate (&font_matrix, 10, 30); + cairo_matrix_rotate (&font_matrix, M_PI_2/3); + cairo_matrix_scale (&font_matrix, pixel_size, pixel_size); + + cairo_get_matrix (cr, &ctm); + + scaled_font = cairo_scaled_font_create (font_face, + &font_matrix, + &ctm, + font_options); + + cairo_font_options_destroy (font_options); + cairo_font_face_destroy (font_face); + FcPatternDestroy (pattern); + FcPatternDestroy (resolved); + + status = cairo_scaled_font_status (scaled_font); + if (status) { + cairo_scaled_font_destroy (scaled_font); + return status; + } + + *out = scaled_font; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_text_extents_t extents; + cairo_scaled_font_t *scaled_font; + cairo_status_t status; + const char text[] = "i-W"; + double line_width, x, y; + + line_width = cairo_get_line_width (cr); + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + status = create_scaled_font (cr, &scaled_font); + if (status) { + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); + } + + cairo_set_scaled_font (cr, scaled_font); + cairo_scaled_font_destroy (scaled_font); + + cairo_set_line_width (cr, 1.0); + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + cairo_text_extents (cr, text, &extents); + x = width - (extents.width + extents.x_bearing) - 5; + y = height - (extents.height + extents.y_bearing) - 5; + cairo_move_to (cr, x, y); + cairo_show_text (cr, text); + cairo_rectangle (cr, + x + extents.x_bearing - line_width / 2, + y + extents.y_bearing - line_width / 2, + extents.width + line_width, + extents.height + line_width); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_text_extents (cr, text, &extents); + x = -extents.x_bearing + 5; + y = -extents.y_bearing + 5; + cairo_move_to (cr, x, y); + cairo_text_path (cr, text); + cairo_fill (cr); + cairo_rectangle (cr, + x + extents.x_bearing - line_width / 2, + y + extents.y_bearing - line_width / 2, + extents.width + line_width, + extents.height + line_width); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (ft_text_vertical_layout_type3, + "Tests text rendering for vertical layout with TrueType fonts", + "ft, fc, text", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/generate_refs.sh b/test/generate_refs.sh new file mode 100755 index 000000000..e22aa2548 --- /dev/null +++ b/test/generate_refs.sh @@ -0,0 +1,12 @@ +#!/bin/bash + +# A very simple script. But sufficient, hopefully, for our current purposes. + +cat <<EOF +# Note REFERENCE_IMAGES must be in lexicographical order. +# Use generate_refs.sh on a git checkout with updated images. +REFERENCE_IMAGES = \\ +EOF + +git ls-files 'reference/*.ref.png' '*.xfail.png' | sed 's/\(.*\)/ \1 \\/' +echo ' $(NULL)' diff --git a/test/get-and-set.c b/test/get-and-set.c new file mode 100644 index 000000000..6a395d6c7 --- /dev/null +++ b/test/get-and-set.c @@ -0,0 +1,159 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +typedef struct { + cairo_operator_t op; + double tolerance; + cairo_fill_rule_t fill_rule; + double line_width; + cairo_line_cap_t line_cap; + cairo_line_join_t line_join; + double miter_limit; + cairo_matrix_t matrix; + double dash[5]; + double dash_offset; +} settings_t; + +/* Two sets of settings, no defaults */ +static const settings_t settings[] = { + { + CAIRO_OPERATOR_IN, + 2.0, + CAIRO_FILL_RULE_EVEN_ODD, + 7.7, + CAIRO_LINE_CAP_SQUARE, + CAIRO_LINE_JOIN_ROUND, + 3.14, + {2.0, 0.0, 0.0, 2.0, 5.0, 5.0}, + {0.1, 0.2, 0.3, 0.4, 0.5}, + 2.0 + }, + { + CAIRO_OPERATOR_ATOP, + 5.25, + CAIRO_FILL_RULE_WINDING, + 2.17, + CAIRO_LINE_CAP_ROUND, + CAIRO_LINE_JOIN_BEVEL, + 1000.0, + {-3.0, 1.0, 1.0, -3.0, -4, -4}, + {1.0, 2.0, 3.0, 4.0, 5.0}, + 3.0 + } +}; + +static void +settings_set (cairo_t *cr, const settings_t *settings) +{ + cairo_set_operator (cr, settings->op); + cairo_set_tolerance (cr, settings->tolerance); + cairo_set_fill_rule (cr, settings->fill_rule); + cairo_set_line_width (cr, settings->line_width); + cairo_set_line_cap (cr, settings->line_cap); + cairo_set_line_join (cr, settings->line_join); + cairo_set_miter_limit (cr, settings->miter_limit); + cairo_set_matrix (cr, &settings->matrix); + cairo_set_dash (cr, settings->dash, 5, settings->dash_offset); +} + +static int +settings_get (cairo_t *cr, settings_t *settings) +{ + int count; + + settings->op = cairo_get_operator (cr); + settings->tolerance = cairo_get_tolerance (cr); + settings->fill_rule = cairo_get_fill_rule (cr); + settings->line_width = cairo_get_line_width (cr); + settings->line_cap = cairo_get_line_cap (cr); + settings->line_join = cairo_get_line_join (cr); + settings->miter_limit = cairo_get_miter_limit (cr); + cairo_get_matrix (cr, &settings->matrix); + + count = cairo_get_dash_count (cr); + if (count != 5) + return -1; + + cairo_get_dash (cr, settings->dash, &settings->dash_offset); + + return 0; +} + +static int +settings_equal (const settings_t *a, const settings_t *b) +{ + return (a->op == b->op && + a->tolerance == b->tolerance && + a->fill_rule == b->fill_rule && + a->line_width == b->line_width && + a->line_cap == b->line_cap && + a->line_join == b->line_join && + a->miter_limit == b->miter_limit && + a->matrix.xx == b->matrix.xx && + a->matrix.xy == b->matrix.xy && + a->matrix.x0 == b->matrix.x0 && + a->matrix.yx == b->matrix.yx && + a->matrix.yy == b->matrix.yy && + a->matrix.y0 == b->matrix.y0 && + memcmp(a->dash, b->dash, sizeof(a->dash)) == 0 && + a->dash_offset == b->dash_offset); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + settings_t check; + + settings_set (cr, &settings[0]); + + cairo_save (cr); + { + settings_set (cr, &settings[1]); + if (settings_get (cr, &check)) + return CAIRO_TEST_FAILURE; + + if (!settings_equal (&settings[1], &check)) + return CAIRO_TEST_FAILURE; + } + cairo_restore (cr); + + if (settings_get (cr, &check)) + return CAIRO_TEST_FAILURE; + + if (!settings_equal (&settings[0], &check)) + return CAIRO_TEST_FAILURE; + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (get_and_set, + "Tests calls to the most trivial cairo_get and cairo_set functions", + "api", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/get-clip.c b/test/get-clip.c new file mode 100644 index 000000000..f97db3f62 --- /dev/null +++ b/test/get-clip.c @@ -0,0 +1,264 @@ +/* + * Copyright © 2006 Novell, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Novell, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Novell, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Robert O'Callahan <rocallahan@novell.com> + */ + +#include "cairo-test.h" +#include <stddef.h> + +static cairo_bool_t +check_count (const cairo_test_context_t *ctx, + const char *message, + cairo_rectangle_list_t *list, int expected) +{ + if (list->status != CAIRO_STATUS_SUCCESS) { + cairo_test_log (ctx, "Error: %s; cairo_copy_clip_rectangle_list failed with \"%s\"\n", + message, cairo_status_to_string(list->status)); + return 0; + } + + if (list->num_rectangles == expected) + return 1; + cairo_test_log (ctx, "Error: %s; expected %d rectangles, got %d\n", message, + expected, list->num_rectangles); + return 0; +} + +static cairo_bool_t +check_unrepresentable (const cairo_test_context_t *ctx, const char *message, cairo_rectangle_list_t *list) +{ + if (list->status != CAIRO_STATUS_CLIP_NOT_REPRESENTABLE) { + cairo_test_log (ctx, "Error: %s; cairo_copy_clip_rectangle_list got unexpected result \"%s\"\n" + " (we expected CAIRO_STATUS_CLIP_NOT_REPRESENTABLE)", + message, cairo_status_to_string(list->status)); + return 0; + } + return 1; +} + +static cairo_bool_t +check_rectangles_contain (const cairo_test_context_t *ctx, + const char *message, + cairo_rectangle_list_t *list, + double x, double y, double width, double height) +{ + int i; + + for (i = 0; i < list->num_rectangles; ++i) { + if (list->rectangles[i].x == x && list->rectangles[i].y == y && + list->rectangles[i].width == width && list->rectangles[i].height == height) + return 1; + } + cairo_test_log (ctx, "Error: %s; rectangle list does not contain rectangle %f,%f,%f,%f\n", + message, x, y, width, height); + return 0; +} + +static cairo_bool_t +check_clip_extents (const cairo_test_context_t *ctx, + const char *message, cairo_t *cr, + double x, double y, double width, double height) +{ + double ext_x1, ext_y1, ext_x2, ext_y2; + cairo_clip_extents (cr, &ext_x1, &ext_y1, &ext_x2, &ext_y2); + if (ext_x1 == x && ext_y1 == y && ext_x2 == x + width && ext_y2 == y + height) + return 1; + if (width == 0.0 && height == 0.0 && ext_x1 == ext_x2 && ext_y1 == ext_y2) + return 1; + cairo_test_log (ctx, "Error: %s; clip extents %f,%f,%f,%f should be %f,%f,%f,%f\n", + message, ext_x1, ext_y1, ext_x2 - ext_x1, ext_y2 - ext_y1, + x, y, width, height); + return 0; +} + +#define SIZE 100 + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface; + cairo_t *cr; + cairo_rectangle_list_t *rectangle_list; + const char *phase; + cairo_bool_t completed = 0; + cairo_status_t status; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, SIZE, SIZE); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + + /* first, test basic stuff. This should not be clipped, it should + return the surface rectangle. */ + phase = "No clip set"; + rectangle_list = cairo_copy_clip_rectangle_list (cr); + if (! check_count (ctx, phase, rectangle_list, 1) || + ! check_clip_extents (ctx, phase, cr, 0, 0, SIZE, SIZE) || + ! check_rectangles_contain (ctx, phase, rectangle_list, 0, 0, SIZE, SIZE)) + { + goto FAIL; + } + cairo_rectangle_list_destroy (rectangle_list); + + /* We should get the same results after applying a clip that contains the + existing clip. */ + phase = "Clip beyond surface extents"; + cairo_save (cr); + cairo_rectangle (cr, -10, -10, SIZE + 20 , SIZE + 20); + cairo_clip (cr); + rectangle_list = cairo_copy_clip_rectangle_list (cr); + if (! check_count (ctx, phase, rectangle_list, 1) || + ! check_clip_extents (ctx, phase, cr, 0, 0, SIZE, SIZE) || + ! check_rectangles_contain (ctx, phase, rectangle_list, 0, 0, SIZE, SIZE)) + { + goto FAIL; + } + cairo_rectangle_list_destroy (rectangle_list); + cairo_restore (cr); + + /* Test simple clip rect. */ + phase = "Simple clip rect"; + cairo_save (cr); + cairo_rectangle (cr, 10, 10, 80, 80); + cairo_clip (cr); + rectangle_list = cairo_copy_clip_rectangle_list (cr); + if (! check_count (ctx, phase, rectangle_list, 1) || + ! check_clip_extents (ctx, phase, cr, 10, 10, 80, 80) || + ! check_rectangles_contain (ctx, phase, rectangle_list, 10, 10, 80, 80)) + { + goto FAIL; + } + cairo_rectangle_list_destroy (rectangle_list); + cairo_restore (cr); + + /* Test everything clipped out. */ + phase = "All clipped out"; + cairo_save (cr); + cairo_clip (cr); + rectangle_list = cairo_copy_clip_rectangle_list (cr); + if (! check_count (ctx, phase, rectangle_list, 0) || + ! check_clip_extents (ctx, phase, cr, 0, 0, 0, 0)) + { + goto FAIL; + } + cairo_rectangle_list_destroy (rectangle_list); + cairo_restore (cr); + + /* test two clip rects */ + phase = "Two clip rects"; + cairo_save (cr); + cairo_rectangle (cr, 10, 10, 10, 10); + cairo_rectangle (cr, 20, 20, 10, 10); + cairo_clip (cr); + cairo_rectangle (cr, 15, 15, 10, 10); + cairo_clip (cr); + rectangle_list = cairo_copy_clip_rectangle_list (cr); + if (! check_count (ctx, phase, rectangle_list, 2) || + ! check_clip_extents (ctx, phase, cr, 15, 15, 10, 10) || + ! check_rectangles_contain (ctx, phase, rectangle_list, 15, 15, 5, 5) || + ! check_rectangles_contain (ctx, phase, rectangle_list, 20, 20, 5, 5)) + { + goto FAIL; + } + cairo_rectangle_list_destroy (rectangle_list); + cairo_restore (cr); + + /* test non-rectangular clip */ + phase = "Nonrectangular clip"; + cairo_save (cr); + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 100, 100); + cairo_line_to (cr, 100, 0); + cairo_close_path (cr); + cairo_clip (cr); + rectangle_list = cairo_copy_clip_rectangle_list (cr); + /* can't get this in one tight user-space rectangle */ + if (! check_unrepresentable (ctx, phase, rectangle_list) || + ! check_clip_extents (ctx, phase, cr, 0, 0, 100, 100)) + { + goto FAIL; + } + cairo_rectangle_list_destroy (rectangle_list); + cairo_restore (cr); + + phase = "User space, simple scale, getting clip with same transform"; + cairo_save (cr); + cairo_scale (cr, 2, 2); + cairo_rectangle (cr, 5, 5, 40, 40); + cairo_clip (cr); + rectangle_list = cairo_copy_clip_rectangle_list (cr); + if (! check_count (ctx, phase, rectangle_list, 1) || + ! check_clip_extents (ctx, phase, cr, 5, 5, 40, 40) || + ! check_rectangles_contain (ctx, phase, rectangle_list, 5, 5, 40, 40)) + { + goto FAIL; + } + cairo_rectangle_list_destroy (rectangle_list); + cairo_restore (cr); + + phase = "User space, simple scale, getting clip with no transform"; + cairo_save (cr); + cairo_save (cr); + cairo_scale (cr, 2, 2); + cairo_rectangle (cr, 5, 5, 40, 40); + cairo_restore (cr); + cairo_clip (cr); + rectangle_list = cairo_copy_clip_rectangle_list (cr); + if (! check_count (ctx, phase, rectangle_list, 1) || + ! check_clip_extents (ctx, phase, cr, 10, 10, 80, 80) || + ! check_rectangles_contain (ctx, phase, rectangle_list, 10, 10, 80, 80)) + { + goto FAIL; + } + cairo_rectangle_list_destroy (rectangle_list); + cairo_restore (cr); + + phase = "User space, rotation, getting clip with no transform"; + cairo_save (cr); + cairo_save (cr); + cairo_rotate (cr, 12); + cairo_rectangle (cr, 5, 5, 40, 40); + cairo_restore (cr); + cairo_clip (cr); + rectangle_list = cairo_copy_clip_rectangle_list (cr); + if (! check_unrepresentable (ctx, phase, rectangle_list)) + goto FAIL; + + completed = 1; +FAIL: + cairo_rectangle_list_destroy (rectangle_list); + status = cairo_status (cr); + cairo_destroy (cr); + + if (!completed) + return CAIRO_TEST_FAILURE; + + return cairo_test_status_from_status (ctx, status); +} + +CAIRO_TEST (get_clip, + "Test cairo_copy_clip_rectangle_list and cairo_clip_extents", + "clip, extents", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/get-group-target.c b/test/get-group-target.c new file mode 100644 index 000000000..5aff19b29 --- /dev/null +++ b/test/get-group-target.c @@ -0,0 +1,85 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 8 +#define PAD 2 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *group; + double x, y; + + /* First paint background in blue. */ + cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); + cairo_paint (cr); + + /* Then clip so that the group surface ends up smaller than the + * original surface. */ + cairo_rectangle (cr, PAD, PAD, width - 2 * PAD, height - 2 * PAD); + cairo_clip (cr); + + /* Paint the clipped region in red (which should all be overwritten later). */ + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + cairo_paint (cr); + + /* Redirect to a new group and get that surface. */ + cairo_push_group (cr); + group = cairo_get_group_target (cr); + + /* Then paint in green what we query the group surface size to be. */ + cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); + cairo_surface_get_device_offset (group, &x, &y); + /* Or rather, we calculate the group surface size based on the + * only thing we can query which is the device offset. Ideally, + * the size would always be the minimal (width - 2 * PAD, height - + * 2 * PAD) based on the clip. But currently, group targets are + * created oversized for paginated surfaces, so we only subtract + * anything from the size if there is a non-zero device offfset. + * + * The calculation below might also be less confusing if the sign + * convention on the device offset were reversed, but it is what + * it is. Oh well. */ + cairo_rectangle (cr, + -x, -y, + width + 2 * x, + height + 2 * y); + cairo_fill (cr); + + /* Finish up the group painting. */ + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (get_group_target, + "Test of both cairo_get_group_target and cairo_surface_get_device_offset", + "api", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/get-path-extents.c b/test/get-path-extents.c new file mode 100644 index 000000000..075fd6fd6 --- /dev/null +++ b/test/get-path-extents.c @@ -0,0 +1,443 @@ +/* + * Copyright © 2006 Novell, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Novell, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Novell, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Robert O'Callahan <rocallahan@novell.com> + */ + +#include "cairo-test.h" +#include <stddef.h> +#include <math.h> + +enum ExtentsType { FILL, STROKE, PATH }; + +enum Relation { EQUALS, APPROX_EQUALS, CONTAINS }; + + +static cairo_bool_t within_tolerance(double x1, double y1, + double x2, double y2, + double expected_x1, double expected_y1, + double expected_x2, double expected_y2, + double tolerance) +{ + return (fabs (expected_x1 - x1) < tolerance && + fabs (expected_y1 - y1) < tolerance && + fabs (expected_x2 - x2) < tolerance && + fabs (expected_y2 - y2) < tolerance); +} + +static cairo_bool_t +check_extents (const cairo_test_context_t *ctx, + const char *message, cairo_t *cr, enum ExtentsType type, + enum Relation relation, + double x, double y, double width, double height) +{ + double ext_x1, ext_y1, ext_x2, ext_y2; + const char *type_string; + const char *relation_string; + + switch (type) { + default: + case FILL: + type_string = "fill"; + cairo_fill_extents (cr, &ext_x1, &ext_y1, &ext_x2, &ext_y2); + break; + case STROKE: + type_string = "stroke"; + cairo_stroke_extents (cr, &ext_x1, &ext_y1, &ext_x2, &ext_y2); + break; + case PATH: + type_string = "path"; + cairo_path_extents (cr, &ext_x1, &ext_y1, &ext_x2, &ext_y2); + break; + } + + /* ignore results after an error occurs */ + if (cairo_status (cr)) + return 1; + + switch (relation) { + default: + case EQUALS: + relation_string = "equal"; + if (within_tolerance(x, y, x + width, y + height, + ext_x1, ext_y1, ext_x2, ext_y2, + cairo_get_tolerance(cr))) + return 1; + break; + case APPROX_EQUALS: + relation_string = "approx. equal"; + if (within_tolerance(x, y, x + width, y + height, + ext_x1, ext_y1, ext_x2, ext_y2, + 1.)) + return 1; + break; + case CONTAINS: + relation_string = "contain"; + if (width == 0 || height == 0) { + /* odd test that doesn't really test anything... */ + return 1; + } + if (ext_x1 <= x && ext_y1 <= y && ext_x2 >= x + width && ext_y2 >= y + height) + return 1; + break; + } + + cairo_test_log (ctx, "Error: %s; %s extents (%g, %g) x (%g, %g) should %s (%g, %g) x (%g, %g)\n", + message, type_string, + ext_x1, ext_y1, ext_x2 - ext_x1, ext_y2 - ext_y1, + relation_string, + x, y, width, height); + return 0; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *surface; + cairo_t *cr2; + const char *phase; + const char string[] = "The quick brown fox jumps over the lazy dog."; + cairo_text_extents_t extents, scaled_font_extents; + cairo_status_t status; + int errors = 0; + + surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_COLOR, 1000, 1000); + /* don't use cr accidentally */ + cr = NULL; + cr2 = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_line_width (cr2, 10); + cairo_set_line_join (cr2, CAIRO_LINE_JOIN_MITER); + cairo_set_miter_limit (cr2, 100); + + phase = "No path"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 0, 0, 0, 0); + + cairo_save (cr2); + + cairo_new_path (cr2); + cairo_move_to (cr2, 200, 400); + cairo_close_path (cr2); + phase = "Degenerate closed path"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 200, 400, 0, 0); + + cairo_new_path (cr2); + cairo_move_to (cr2, 200, 400); + cairo_rel_line_to (cr2, 0., 0.); + phase = "Degenerate line"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 200, 400, 0, 0); + + cairo_new_path (cr2); + cairo_move_to (cr2, 200, 400); + cairo_rel_curve_to (cr2, 0., 0., 0., 0., 0., 0.); + phase = "Degenerate curve"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 200, 400, 0, 0); + + cairo_new_path (cr2); + cairo_arc (cr2, 200, 400, 0., 0, 2 * M_PI); + phase = "Degenerate arc (R=0)"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 200, 400, 0, 0); + + cairo_new_path (cr2); + cairo_arc_negative (cr2, 200, 400, 0., 0, 2 * M_PI); + phase = "Degenerate negative arc (R=0)"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 200, 400, 0, 0); + + cairo_new_path (cr2); + cairo_arc (cr2, 200, 400, 10., 0, 0); + phase = "Degenerate arc (Θ=0)"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 210, 400, 0, 0); + + cairo_new_path (cr2); + cairo_arc_negative (cr2, 200, 400, 10., 0, 0); + phase = "Degenerate negative arc (Θ=0)"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 210, 400, 0, 0); + + cairo_new_path (cr2); + cairo_restore (cr2); + + /* Test that with CAIRO_LINE_CAP_ROUND, we get "dots" from + * cairo_move_to; cairo_rel_line_to(0,0) */ + cairo_save (cr2); + + cairo_set_line_cap (cr2, CAIRO_LINE_CAP_ROUND); + cairo_set_line_width (cr2, 20); + + cairo_move_to (cr2, 200, 400); + cairo_rel_line_to (cr2, 0, 0); + phase = "Single 'dot'"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, APPROX_EQUALS, 190, 390, 20, 20); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 200, 400, 0, 0); + + /* Add another dot without starting a new path */ + cairo_move_to (cr2, 100, 500); + cairo_rel_line_to (cr2, 0, 0); + phase = "Multiple 'dots'"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, APPROX_EQUALS, 90, 390, 120, 120); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 100, 400, 100, 100); + + cairo_new_path (cr2); + + cairo_restore (cr2); + + /* http://bugs.freedesktop.org/show_bug.cgi?id=7965 */ + phase = "A horizontal, open path"; + cairo_save (cr2); + cairo_set_line_cap (cr2, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr2, CAIRO_LINE_JOIN_ROUND); + cairo_move_to (cr2, 0, 180); + cairo_line_to (cr2, 750, 180); + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, -5, 175, 760, 10); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 0, 180, 750, 0); + cairo_new_path (cr2); + cairo_restore (cr2); + + phase = "A vertical, open path"; + cairo_save (cr2); + cairo_set_line_cap (cr2, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr2, CAIRO_LINE_JOIN_ROUND); + cairo_new_path (cr2); + cairo_move_to (cr2, 180, 0); + cairo_line_to (cr2, 180, 750); + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 175, -5, 10, 760); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 180, 0, 0, 750); + cairo_new_path (cr2); + cairo_restore (cr2); + + phase = "A degenerate open path"; + cairo_save (cr2); + cairo_set_line_cap (cr2, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr2, CAIRO_LINE_JOIN_ROUND); + cairo_new_path (cr2); + cairo_move_to (cr2, 180, 0); + cairo_line_to (cr2, 180, 0); + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 0, 0, 0, 0); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 175, -5, 10, 10); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 180, 0, 0, 0); + cairo_new_path (cr2); + cairo_restore (cr2); + + phase = "Simple rect"; + cairo_save (cr2); + cairo_rectangle (cr2, 10, 10, 80, 80); + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 10, 10, 80, 80); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 5, 5, 90, 90); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 10, 10, 80, 80); + cairo_new_path (cr2); + cairo_restore (cr2); + + phase = "Two rects"; + cairo_save (cr2); + cairo_rectangle (cr2, 10, 10, 10, 10); + cairo_rectangle (cr2, 20, 20, 10, 10); + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 10, 10, 20, 20); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 5, 5, 30, 30); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 10, 10, 20, 20); + cairo_new_path (cr2); + cairo_restore (cr2); + + phase = "Triangle"; + cairo_save (cr2); + cairo_move_to (cr2, 10, 10); + cairo_line_to (cr2, 90, 90); + cairo_line_to (cr2, 90, 10); + cairo_close_path (cr2); + /* miter joins protrude 5*(1+sqrt(2)) above the top-left corner and to + the right of the bottom-right corner */ + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 10, 10, 80, 80); + errors += !check_extents (ctx, phase, cr2, STROKE, CONTAINS, 0, 5, 95, 95); + errors += !check_extents (ctx, phase, cr2, PATH, CONTAINS, 10, 10, 80, 80); + cairo_new_path (cr2); + cairo_restore (cr2); + + cairo_save (cr2); + + cairo_set_line_width (cr2, 4); + + cairo_rectangle (cr2, 10, 10, 30, 30); + cairo_rectangle (cr2, 25, 10, 15, 30); + + cairo_set_fill_rule (cr2, CAIRO_FILL_RULE_EVEN_ODD); + phase = "EVEN_ODD overlapping rectangles"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 10, 10, 15, 30); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 8, 8, 34, 34); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 10, 10, 30, 30); + + /* Test other fill rule with the same path. */ + + cairo_set_fill_rule (cr2, CAIRO_FILL_RULE_WINDING); + phase = "WINDING overlapping rectangles"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 10, 10, 30, 30); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 8, 8, 34, 34); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 10, 10, 30, 30); + + /* Now, change the direction of the second rectangle and test both + * fill rules again. */ + cairo_new_path (cr2); + cairo_rectangle (cr2, 10, 10, 30, 30); + cairo_rectangle (cr2, 25, 40, 15, -30); + + cairo_set_fill_rule (cr2, CAIRO_FILL_RULE_EVEN_ODD); + phase = "EVEN_ODD overlapping rectangles"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 10, 10, 15, 30); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 8, 8, 34, 34); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 10, 10, 30, 30); + + /* Test other fill rule with the same path. */ + + cairo_set_fill_rule (cr2, CAIRO_FILL_RULE_WINDING); + phase = "WINDING overlapping rectangles"; + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 10, 10, 15, 30); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 8, 8, 34, 34); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 10, 10, 30, 30); + + cairo_new_path (cr2); + + cairo_restore (cr2); + + /* http://bugs.freedesktop.org/show_bug.cgi?id=7245 */ + phase = "Arc"; + cairo_save (cr2); + cairo_arc (cr2, 250.0, 250.0, 157.0, 5.147, 3.432); + cairo_set_line_width (cr2, 154.0); + errors += !check_extents (ctx, phase, cr2, STROKE, APPROX_EQUALS, 16, 38, 468, 446); + cairo_new_path (cr2); + cairo_restore (cr2); + + phase = "Text"; + cairo_save (cr2); + cairo_select_font_face (cr2, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr2, 12); + cairo_text_extents (cr2, string, &extents); + /* double check that the two methods of measuring the text agree... */ + cairo_scaled_font_text_extents (cairo_get_scaled_font (cr2), + string, + &scaled_font_extents); + if (memcmp (&extents, &scaled_font_extents, sizeof (extents))) { + cairo_test_log (ctx, "Error: cairo_text_extents() does not match cairo_scaled_font_text_extents() - font extents (%f, %f) x (%f, %f) should be (%f, %f) x (%f, %f)\n", + scaled_font_extents.x_bearing, + scaled_font_extents.y_bearing, + scaled_font_extents.width, + scaled_font_extents.height, + extents.x_bearing, + extents.y_bearing, + extents.width, + extents.height); + errors++; + } + + cairo_move_to (cr2, -extents.x_bearing, -extents.y_bearing); + cairo_text_path (cr2, string); + cairo_set_line_width (cr2, 2.0); + /* XXX: We'd like to be able to use EQUALS here, but currently + * when hinting is enabled freetype returns integer extents. See + * http://cairographics.org/todo */ + errors += !check_extents (ctx, phase, cr2, FILL, APPROX_EQUALS, + 0, 0, extents.width, extents.height); + errors += !check_extents (ctx, phase, cr2, STROKE, APPROX_EQUALS, + -1, -1, extents.width+2, extents.height+2); + errors += !check_extents (ctx, phase, cr2, PATH, APPROX_EQUALS, + 0, 0, extents.width, extents.height); + cairo_new_path (cr2); + cairo_restore (cr2); + + phase = "User space, simple scale, getting extents with same transform"; + cairo_save (cr2); + cairo_scale (cr2, 2, 2); + cairo_rectangle (cr2, 5, 5, 40, 40); + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 5, 5, 40, 40); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 0, 0, 50, 50); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 5, 5, 40, 40); + cairo_new_path (cr2); + cairo_restore (cr2); + + phase = "User space, simple scale, getting extents with no transform"; + cairo_save (cr2); + cairo_save (cr2); + cairo_scale (cr2, 2, 2); + cairo_rectangle (cr2, 5, 5, 40, 40); + cairo_restore (cr2); + errors += !check_extents (ctx, phase, cr2, FILL, EQUALS, 10, 10, 80, 80); + errors += !check_extents (ctx, phase, cr2, STROKE, EQUALS, 5, 5, 90, 90); + errors += !check_extents (ctx, phase, cr2, PATH, EQUALS, 10, 10, 80, 80); + cairo_new_path (cr2); + cairo_restore (cr2); + + phase = "User space, rotation, getting extents with transform"; + cairo_save (cr2); + cairo_rectangle (cr2, -50, -50, 50, 50); + cairo_rotate (cr2, -M_PI/4); + /* the path in user space is now (nearly) the square rotated by + 45 degrees about the origin. Thus its x1 and x2 are both nearly 0. + This should show any bugs where we just transform device-space + x1,y1 and x2,y2 to get the extents. */ + /* The largest axis-aligned square inside the rotated path has + side lengths 50*sqrt(2), so a bit over 35 on either side of + the axes. With the stroke width added to the rotated path, + the largest axis-aligned square is a bit over 38 on either side of + the axes. */ + errors += !check_extents (ctx, phase, cr2, FILL, CONTAINS, -35, -35, 35, 35); + errors += !check_extents (ctx, phase, cr2, STROKE, CONTAINS, -38, -38, 38, 38); + errors += !check_extents (ctx, phase, cr2, PATH, CONTAINS, -35, -35, 35, 35); + cairo_new_path (cr2); + cairo_restore (cr2); + + status = cairo_status (cr2); + cairo_destroy (cr2); + + if (status) + return cairo_test_status_from_status (ctx, status); + + return errors == 0 ? CAIRO_TEST_SUCCESS : CAIRO_TEST_FAILURE; +} + +CAIRO_TEST (get_path_extents, + "Test cairo_fill_extents and cairo_stroke_extents", + "extents, path", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/get-xrender-format.c b/test/get-xrender-format.c new file mode 100644 index 000000000..3228d57c6 --- /dev/null +++ b/test/get-xrender-format.c @@ -0,0 +1,122 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include "cairo-xlib.h" +#include "cairo-xlib-xrender.h" + +#include "cairo-boilerplate-xlib.h" + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + Display *dpy; + XRenderPictFormat *orig_format, *format; + cairo_surface_t *surface; + Pixmap pixmap; + int screen; + cairo_test_status_t result; + + result = CAIRO_TEST_UNTESTED; + + if (! cairo_test_is_target_enabled (ctx, "xlib")) + goto CLEANUP_TEST; + + dpy = XOpenDisplay (NULL); + if (! dpy) { + cairo_test_log (ctx, "Error: Cannot open display: %s, skipping.\n", + XDisplayName (NULL)); + goto CLEANUP_TEST; + } + + result = CAIRO_TEST_FAILURE; + + screen = DefaultScreen (dpy); + + cairo_test_log (ctx, "Testing with image surface.\n"); + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1); + + format = cairo_xlib_surface_get_xrender_format (surface); + if (format != NULL) { + cairo_test_log (ctx, "Error: expected NULL for image surface\n"); + goto CLEANUP_SURFACE; + } + + cairo_surface_destroy (surface); + + cairo_test_log (ctx, "Testing with non-xrender xlib surface.\n"); + + pixmap = XCreatePixmap (dpy, DefaultRootWindow (dpy), + 1, 1, DefaultDepth (dpy, screen)); + surface = cairo_xlib_surface_create (dpy, pixmap, + DefaultVisual (dpy, screen), + 1, 1); + orig_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); + format = cairo_xlib_surface_get_xrender_format (surface); + if (format != orig_format) { + cairo_test_log (ctx, "Error: did not receive the same format as XRenderFindVisualFormat\n"); + goto CLEANUP_PIXMAP; + } + cairo_surface_destroy (surface); + XFreePixmap (dpy, pixmap); + + cairo_test_log (ctx, "Testing with xlib xrender surface.\n"); + + orig_format = XRenderFindStandardFormat (dpy, PictStandardARGB32); + pixmap = XCreatePixmap (dpy, DefaultRootWindow (dpy), + 1, 1, 32); + surface = cairo_xlib_surface_create_with_xrender_format (dpy, + pixmap, + DefaultScreenOfDisplay (dpy), + orig_format, + 1, 1); + format = cairo_xlib_surface_get_xrender_format (surface); + if (format != orig_format) { + cairo_test_log (ctx, "Error: did not receive the same format originally set\n"); + goto CLEANUP_PIXMAP; + } + + result = CAIRO_TEST_SUCCESS; + + CLEANUP_PIXMAP: + XFreePixmap (dpy, pixmap); + CLEANUP_SURFACE: + cairo_surface_destroy (surface); + + XCloseDisplay (dpy); + + CLEANUP_TEST: + return result; +} + +CAIRO_TEST (get_xrender_format, + "Check XRender specific API", + "xrender, api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/gl-device-release.c b/test/gl-device-release.c new file mode 100644 index 000000000..7f554be30 --- /dev/null +++ b/test/gl-device-release.c @@ -0,0 +1,182 @@ +/* + * Copyright © 2012 Igalia S.L. + * Copyright © 2009 Eric Anholt + * Copyright © 2009 Chris Wilson + * Copyright © 2005 Red Hat, Inc + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * IGALIA S.L. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Martin Robinson <mrobinson@igalia.com> + */ + +#include "cairo-test.h" +#include <cairo-gl.h> +#include <assert.h> + +static Window +create_test_window (Display *display, + GLXContext glx_context, + XVisualInfo *visual_info) +{ + Colormap colormap; + XSetWindowAttributes window_attributes; + Window window = None; + + colormap = XCreateColormap (display, + RootWindow (display, visual_info->screen), + visual_info->visual, + AllocNone); + window_attributes.colormap = colormap; + window_attributes.border_pixel = 0; + window = XCreateWindow (display, RootWindow (display, visual_info->screen), + -1, -1, 1, 1, 0, + visual_info->depth, + InputOutput, + visual_info->visual, + CWBorderPixel | CWColormap, &window_attributes); + XFreeColormap (display, colormap); + + XFlush (display); + return window; +} + +static cairo_bool_t +multithread_makecurrent_available (Display *display) +{ + const char *extensions = glXQueryExtensionsString (display, + DefaultScreen (display)); + return !! strstr(extensions, "GLX_MESA_multithread_makecurrent"); +} + +static void +draw_to_surface (cairo_surface_t *surface) +{ + cairo_t *cr = cairo_create (surface); + cairo_paint (cr); + cairo_destroy (cr); +} + +static cairo_test_status_t +preamble (cairo_test_context_t *test_ctx) +{ + int rgba_attribs[] = { + GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_ALPHA_SIZE, 1, + GLX_DOUBLEBUFFER, + None + }; + + XVisualInfo *visual_info; + GLXContext glx_context; + cairo_device_t *device; + Display *display; + Window test_window; + cairo_surface_t *window_surface; + cairo_bool_t has_multithread_makecurrent; + + display = XOpenDisplay (NULL); + if (display == NULL) + return CAIRO_TEST_UNTESTED; + + visual_info = glXChooseVisual (display, DefaultScreen (display), rgba_attribs); + if (visual_info == NULL) { + XCloseDisplay (display); + return CAIRO_TEST_UNTESTED; + } + + glx_context = glXCreateContext (display, visual_info, NULL, True); + if (glx_context == NULL) { + XCloseDisplay (display); + return CAIRO_TEST_UNTESTED; + } + + test_window = create_test_window (display, glx_context, visual_info); + XFree (visual_info); + if (test_window == None) { + XCloseDisplay (display); + return CAIRO_TEST_UNTESTED; + } + + has_multithread_makecurrent = multithread_makecurrent_available (display); + + glXMakeCurrent (display, None, None); + + /* Creating the device should actually change the GL context, because of + * the creation/activation of a dummy window used for texture surfaces. */ + device = cairo_glx_device_create (display, glx_context); + + /* It's important that when multithread_makecurrent isn't available the + * Cairo backend clears the current context, so that the dummy texture + * window is not active while the device is unlocked. */ + if (has_multithread_makecurrent) { + assert (None != glXGetCurrentDrawable ()); + assert (display == glXGetCurrentDisplay ()); + assert (glx_context == glXGetCurrentContext ()); + } else { + assert (None == glXGetCurrentDrawable ()); + assert (None == glXGetCurrentDisplay ()); + assert (None == glXGetCurrentContext ()); + } + + window_surface = cairo_gl_surface_create_for_window (device, test_window, + 1, 1); + assert (cairo_surface_status (window_surface) == CAIRO_STATUS_SUCCESS); + + draw_to_surface (window_surface); + if (has_multithread_makecurrent) { + assert (test_window == glXGetCurrentDrawable ()); + assert (display == glXGetCurrentDisplay ()); + assert (glx_context == glXGetCurrentContext ()); + } else { + assert (None == glXGetCurrentDrawable ()); + assert (None == glXGetCurrentDisplay ()); + assert (None == glXGetCurrentContext ()); + } + + /* In this case, drawing to the window surface will not change the current + * GL context, so Cairo setting the current surface and context to none. */ + glXMakeCurrent (display, test_window, glx_context); + draw_to_surface (window_surface); + assert (test_window == glXGetCurrentDrawable ()); + assert (display == glXGetCurrentDisplay ()); + assert (glx_context == glXGetCurrentContext ()); + + /* There should be no context change when destroying the device. */ + cairo_device_destroy (device); + assert (test_window == glXGetCurrentDrawable ()); + assert (display == glXGetCurrentDisplay ()); + assert (glx_context == glXGetCurrentContext ()); + + glXDestroyContext(display, glx_context); + XDestroyWindow (display, test_window); + XCloseDisplay (display); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (gl_device_creation_changes_context, + "Test that using the Cairo GL backend leaves the current GL context in the appropriate state", + "gl", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/gl-oversized-surface.c b/test/gl-oversized-surface.c new file mode 100644 index 000000000..4c46efd80 --- /dev/null +++ b/test/gl-oversized-surface.c @@ -0,0 +1,88 @@ +/* + * Copyright © 2012 Igalia S.L. + * Copyright © 2009 Eric Anholt + * Copyright © 2009 Chris Wilson + * Copyright © 2005 Red Hat, Inc + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * IGALIA S.L. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Martin Robinson <mrobinson@igalia.com> + */ + +#include "cairo-test.h" +#include <cairo-gl.h> +#include <assert.h> +#include <limits.h> + +static cairo_test_status_t +preamble (cairo_test_context_t *test_ctx) +{ + int rgba_attribs[] = { + GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_ALPHA_SIZE, 1, + GLX_DOUBLEBUFFER, + None + }; + + Display *display; + XVisualInfo *visual_info; + GLXContext glx_context; + cairo_device_t *device; + cairo_surface_t *oversized_surface; + cairo_test_status_t test_status = CAIRO_TEST_SUCCESS; + + display = XOpenDisplay (NULL); + if (display == NULL) + return CAIRO_TEST_UNTESTED; + + visual_info = glXChooseVisual (display, DefaultScreen (display), rgba_attribs); + if (visual_info == NULL) { + XCloseDisplay (display); + return CAIRO_TEST_UNTESTED; + } + + glx_context = glXCreateContext (display, visual_info, NULL, True); + if (glx_context == NULL) { + XCloseDisplay (display); + return CAIRO_TEST_UNTESTED; + } + + device = cairo_glx_device_create (display, glx_context); + + oversized_surface = cairo_gl_surface_create (device, CAIRO_CONTENT_COLOR_ALPHA, INT_MAX, INT_MAX); + if (cairo_surface_status (oversized_surface) != CAIRO_STATUS_INVALID_SIZE) + test_status = CAIRO_TEST_FAILURE; + + cairo_device_destroy (device); + glXDestroyContext(display, glx_context); + XCloseDisplay (display); + + return test_status; +} + +CAIRO_TEST (gl_oversized_surface, + "Test that creating a surface beyond texture limits results in an error surface", + "gl", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/gl-surface-source.c b/test/gl-surface-source.c new file mode 100644 index 000000000..09d4d9c47 --- /dev/null +++ b/test/gl-surface-source.c @@ -0,0 +1,111 @@ +/* + * Copyright © 2008 Chris Wilson + * Copyright © 2010 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" +#include <cairo-gl.h> + +#include "surface-source.c" + +struct closure { + Display *dpy; + GLXContext ctx; +}; + +static void +cleanup (void *data) +{ + struct closure *arg = data; + + glXDestroyContext (arg->dpy, arg->ctx); + XCloseDisplay (arg->dpy); + + free (arg); +} + +static cairo_surface_t * +create_source_surface (int size) +{ + int rgba_attribs[] = { + GLX_RGBA, + GLX_RED_SIZE, 1, + GLX_GREEN_SIZE, 1, + GLX_BLUE_SIZE, 1, + GLX_ALPHA_SIZE, 1, + GLX_DOUBLEBUFFER, + None + }; + XVisualInfo *visinfo; + GLXContext ctx; + struct closure *arg; + cairo_device_t *device; + cairo_surface_t *surface; + Display *dpy; + + dpy = XOpenDisplay (NULL); + if (dpy == NULL) + return NULL; + + visinfo = glXChooseVisual (dpy, DefaultScreen (dpy), rgba_attribs); + if (visinfo == NULL) { + XCloseDisplay (dpy); + return NULL; + } + + ctx = glXCreateContext (dpy, visinfo, NULL, True); + XFree (visinfo); + + if (ctx == NULL) { + XCloseDisplay (dpy); + return NULL; + } + + arg = xmalloc (sizeof (struct closure)); + arg->dpy = dpy; + arg->ctx = ctx; + device = cairo_glx_device_create (dpy, ctx); + if (cairo_device_set_user_data (device, + (cairo_user_data_key_t *) cleanup, + arg, + cleanup)) + { + cleanup (arg); + return NULL; + } + + surface = cairo_gl_surface_create (device, + CAIRO_CONTENT_COLOR_ALPHA, + size, size); + cairo_device_destroy (device); + + return surface; +} + +CAIRO_TEST (gl_surface_source, + "Test using a GL surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) diff --git a/test/global.jb2 b/test/global.jb2 Binary files differnew file mode 100644 index 000000000..5a1549853 --- /dev/null +++ b/test/global.jb2 diff --git a/test/glyph-cache-pressure.c b/test/glyph-cache-pressure.c new file mode 100644 index 000000000..eb4f7c5c2 --- /dev/null +++ b/test/glyph-cache-pressure.c @@ -0,0 +1,81 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" +#include "cairo-boilerplate-scaled-font.h" + +#define TEXT_SIZE 12 + +/* Bug history + * + * 2006-06-22 Carl Worth <cworth@cworth.org> + * + * This is a test case to demonstrate the following bug in the xlib backend: + * + * Some characters aren't displayed when using xlib (cache usage missing freeze/thaw) + * https://bugs.freedesktop.org/show_bug.cgi?id=6955 + * + * We replicate this bug by using the cairo_scaled_font_set_max_glyphs_per_font + * function to artificially induce cache pressure. (This function was added + * for this very purpose.) + * + * 2006-06-22 Carl Worth <cworth@cworth.org> + * + * Bug was simple enough to solve by just adding a freeze/thaw pair + * around the scaled_font's glyph cache in + * _cairo_xlib_surface_show_glyphs, (I went ahead and added + * _cairo_sacled_font_freeze/thaw_cache functions for this). + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_boilerplate_scaled_font_set_max_glyphs_cached (cairo_get_scaled_font (cr), 1); + + cairo_move_to (cr, 1, TEXT_SIZE); + cairo_show_text (cr, "the five boxing wizards jump quickly"); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (glyph_cache_pressure, + "Ensure that all backends behave well under artificial glyph cache pressure", + "stress", /* keywords */ + NULL, /* requirements */ + 223, TEXT_SIZE + 4, + NULL, draw) diff --git a/test/gradient-alpha.c b/test/gradient-alpha.c new file mode 100644 index 000000000..24cd3245f --- /dev/null +++ b/test/gradient-alpha.c @@ -0,0 +1,56 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *gradient; + + gradient = cairo_pattern_create_linear (0, -height, + 0, height); + cairo_pattern_add_color_stop_rgba (gradient, 0.0, + 1.0, 0.0, 0.0, + 1.0); + cairo_pattern_add_color_stop_rgba (gradient, 1.0, + 0.0, 0.0, 1.0, + 0.5); + + cairo_set_source (cr, gradient); + + cairo_paint (cr); + + cairo_pattern_destroy (gradient); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (gradient_alpha, + "Tests drawing of a gradient with various alpha values in the color stops", + "gradient, alpha", /* keywords */ + NULL, /* requirements */ + 10, 10, + NULL, draw) diff --git a/test/gradient-constant-alpha.c b/test/gradient-constant-alpha.c new file mode 100644 index 000000000..7640b6eb5 --- /dev/null +++ b/test/gradient-constant-alpha.c @@ -0,0 +1,61 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *gradient; + + gradient = cairo_pattern_create_linear (0, 0, + 0, height); + cairo_pattern_add_color_stop_rgba (gradient, 0.0, + 1.0, 0.0, 0.0, + 0.5); + cairo_pattern_add_color_stop_rgba (gradient, 0.0, + 0.0, 1.0, 0.0, + 0.5); + cairo_pattern_add_color_stop_rgba (gradient, 1.0, + 0.0, 0.0, 1.0, + 0.5); + + cairo_set_source (cr, gradient); + + cairo_paint (cr); + + cairo_pattern_destroy (gradient); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (gradient_constant_alpha, + "Tests drawing of a gradient with constant alpha values in the color stops", + "gradient, alpha", /* keywords */ + NULL, + 10, 10, + NULL, draw) diff --git a/test/gradient-zero-stops-mask.c b/test/gradient-zero-stops-mask.c new file mode 100644 index 000000000..b2a10ec34 --- /dev/null +++ b/test/gradient-zero-stops-mask.c @@ -0,0 +1,59 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright © 2007 Brian Ewins + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Brian Ewins <Brian.Ewins@gmail.com> + * Contributor(s): + * Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +/* This test case is designed to exercise the opaque test for + * gradients with no stop. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pat; + + cairo_set_source_rgb (cr, 1., 0., 0.); + + pat = cairo_pattern_create_linear (0., 0., 1., 1.); + cairo_mask (cr, pat); + cairo_pattern_destroy (pat); + + pat = cairo_pattern_create_radial (0., 0., 0., 1., 1., 1.); + cairo_mask (cr, pat); + cairo_pattern_destroy (pat); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (gradient_zero_stops_mask, + "Verifies that gradients with no stops are considered clear.", + "gradient", /* keywords */ + NULL, /* requirements */ + 2, 2, + NULL, draw) diff --git a/test/gradient-zero-stops.c b/test/gradient-zero-stops.c new file mode 100644 index 000000000..57a91c536 --- /dev/null +++ b/test/gradient-zero-stops.c @@ -0,0 +1,58 @@ +/* + * Copyright © 2007 Brian Ewins + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Brian Ewins <Brian.Ewins@gmail.com> + */ + +#include "cairo-test.h" + +/* This test case is designed to exercise the following bug: + * + * Crash when trying to paint gradient with no stops + * https://bugzilla.mozilla.org/show_bug.cgi?id=407104 + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pat; + + pat = cairo_pattern_create_linear (0., 0., 1., 1.); + cairo_set_source (cr, pat); + cairo_paint (cr); + cairo_pattern_destroy (pat); + + pat = cairo_pattern_create_radial (0., 0., 0., 1., 1., 1.); + cairo_set_source (cr, pat); + cairo_paint (cr); + cairo_pattern_destroy (pat); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (gradient_zero_stops, + "Verifies that gradients with no stops don't cause problems.", + "gradient", /* keywords */ + NULL, /* requirements */ + 2, 2, + NULL, draw) diff --git a/test/group-clip.c b/test/group-clip.c new file mode 100644 index 000000000..b99d8617e --- /dev/null +++ b/test/group-clip.c @@ -0,0 +1,57 @@ +/* + * Copyright © Chris Wilson, 2008 + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Chris Wilson <chris@chris-wilson.co.uk> + * Larry Ewing <lewing@novell.com> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_rectangle (cr, 25, 25, width, height); + cairo_clip_preserve (cr); + cairo_push_group (cr); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_fill (cr); + cairo_rectangle (cr, 0, 0, width, height); + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + cairo_reset_clip (cr); + cairo_clip_preserve (cr); + cairo_set_source_rgba (cr, 1, 0, 0, .5); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (group_clip, + "test preserving paths across groups", + "group", /* keywords */ + NULL, /* requirements */ + 40 + 25, 40 + 25, + NULL, draw) diff --git a/test/group-paint.c b/test/group-paint.c new file mode 100644 index 000000000..38544856f --- /dev/null +++ b/test/group-paint.c @@ -0,0 +1,48 @@ +/* + * Copyright © Chris Wilson, 2008 + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_push_group (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_pop_group_to_source (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (group_paint, + "test push_group(); pop_group_to_source(); set_operator(SOURCE); paint();", + "group", /* keywords */ + NULL, /* requirements */ + 10, 10, + NULL, draw) diff --git a/test/group-state.c b/test/group-state.c new file mode 100644 index 000000000..a96b2e3d0 --- /dev/null +++ b/test/group-state.c @@ -0,0 +1,96 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define CHECK_STATUS(status) \ + do { \ + if (cairo_status (cr) != (status)) { \ + cairo_test_log (ctx, "Expected status: %s\n", \ + cairo_status_to_string (status)); \ + cairo_test_log (ctx, "Actual status: %s\n", \ + cairo_status_to_string (cairo_status (cr))); \ + result = CAIRO_TEST_FAILURE; \ + } \ + } while (0) + +static void +reinit_cairo (cairo_t **cr) +{ + if (*cr) + cairo_destroy (*cr); + + *cr = cairo_create (cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1)); + cairo_surface_destroy (cairo_get_target (*cr)); +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_t *cr; + cairo_test_status_t result = CAIRO_TEST_SUCCESS; + + cr = NULL; + + reinit_cairo (&cr); + + /* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if + * no matching cairo_save() call has been performed. */ + cairo_test_log (ctx, "Checking save(); push(); restore();\n"); + cairo_save (cr); + CHECK_STATUS (CAIRO_STATUS_SUCCESS); + cairo_push_group (cr); + CHECK_STATUS (CAIRO_STATUS_SUCCESS); + cairo_restore (cr); + CHECK_STATUS (CAIRO_STATUS_INVALID_RESTORE); + + + reinit_cairo (&cr); + + /* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if + * no matching cairo_save() call has been performed. */ + cairo_test_log (ctx, "Checking push(); save(); pop();\n"); + cairo_push_group (cr); + CHECK_STATUS (CAIRO_STATUS_SUCCESS); + cairo_save (cr); + CHECK_STATUS (CAIRO_STATUS_SUCCESS); + cairo_pop_group_to_source (cr); + CHECK_STATUS (CAIRO_STATUS_INVALID_POP_GROUP); + + + cairo_destroy (cr); + + return result; +} + +CAIRO_TEST (group_state, + "Tests the interaction between state (cairo_save, cairo_restore) " + "and group (cairo_push_group/cairo_pop_group) API", + "api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/group-unaligned.c b/test/group-unaligned.c new file mode 100644 index 000000000..9124a032c --- /dev/null +++ b/test/group-unaligned.c @@ -0,0 +1,60 @@ +/* + * Copyright © Chris Wilson, 2008 + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Chris Wilson <chris@chris-wilson.co.uk> + * Stefan Röllin <stefan.roellin@gmx.ch> + */ + +#include "cairo-test.h" + +static void +circle (cairo_t* cr, double xc, double yc, double radius) +{ + cairo_arc (cr, xc, yc, radius, 0.0, 2*M_PI); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + circle (cr, 12.5, 12.5, 10.); + cairo_fill (cr); + + cairo_push_group (cr); + cairo_set_source_rgb (cr, 0, 0, 1); + circle (cr, 12.5, 12.5, 10.); + cairo_fill (cr); + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (group_unaligned, + "test non-integer sized sub-surface", + "group", /* keywords */ + NULL, /* requirements */ + 35.5, 35.5, + NULL, draw) diff --git a/test/half-coverage.c b/test/half-coverage.c new file mode 100644 index 000000000..38cafda75 --- /dev/null +++ b/test/half-coverage.c @@ -0,0 +1,155 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* Test the fidelity of the rasterisation, because Cairo is my favourite + * driver test suite. + */ + +#define SIZE 256 +#define WIDTH 2 +#define HEIGHT 10 + +static cairo_test_status_t +rectangles (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + cairo_paint (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + + for (i = 1; i <= SIZE; i++) { + int x, y; + + cairo_save (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + cairo_scale (cr, 1./SIZE, 1./SIZE); + for (x = -i; x < SIZE*WIDTH; x += 2*i) { + for (y = -i; y < SIZE*HEIGHT; y += 2*i) { + /* Add a little tile composed of two non-overlapping squares + * +--+ + * | | + * |__|__ + * | | + * | | + * +--+ + */ + cairo_rectangle (cr, x, y, i, i); + cairo_rectangle (cr, x+i, y+i, i, i); + } + } + cairo_fill (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +triangles (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + cairo_paint (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + + for (i = 1; i <= SIZE; i++) { + int x, y; + + cairo_save (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + cairo_scale (cr, 1./SIZE, 1./SIZE); + for (x = -i; x < SIZE*WIDTH; x += 2*i) { + for (y = -i; y < SIZE*HEIGHT; y += 2*i) { + /* Add a tile composed of four non-overlapping + * triangles. The plus and minus signs inside the + * triangles denote the orientation of the triangle's + * edges: + for clockwise and - for anticlockwise. + * + * +-----+ + * \-|+/ + * \|/ + * /|\ + * /-|-\ + * +-----+ + */ + + /* top left triangle */ + cairo_move_to (cr, x, y); + cairo_line_to (cr, x+i, y+i); + cairo_line_to (cr, x+i, y); + cairo_close_path (cr); + + /* top right triangle */ + cairo_move_to (cr, x+i, y); + cairo_line_to (cr, x+2*i, y); + cairo_line_to (cr, x+i, y+i); + cairo_close_path (cr); + + /* bottom left triangle */ + cairo_move_to (cr, x+i, y+i); + cairo_line_to (cr, x, y+2*i); + cairo_line_to (cr, x+i, y+2*i); + cairo_close_path (cr); + + /* bottom right triangle */ + cairo_move_to (cr, x+i, y+i); + cairo_line_to (cr, x+i, y+2*i); + cairo_line_to (cr, x+2*i, y+2*i); + cairo_close_path (cr); + } + } + cairo_fill (cr); + cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (half_coverage_rectangles, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster slow", /* requirements */ + WIDTH * SIZE, HEIGHT, + NULL, rectangles) + +CAIRO_TEST (half_coverage_triangles, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster slow", /* requirements */ + WIDTH * SIZE, HEIGHT, + NULL, triangles) diff --git a/test/halo.c b/test/halo.c new file mode 100644 index 000000000..30064e51a --- /dev/null +++ b/test/halo.c @@ -0,0 +1,158 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* Try to replicate the misbehaviour of show_glyphs() versus glyph_path() + * in the PDF backend reported by Ian Britten. + */ + +static void +halo_around_path (cairo_t *cr, const char *str) +{ + cairo_text_path (cr, str); + + cairo_set_source_rgb (cr, 0, .5, 1); + cairo_stroke_preserve (cr); + cairo_set_source_rgb (cr, 1, .5, 0); + cairo_fill (cr); +} + +static void +halo_around_text (cairo_t *cr, const char *str) +{ + double x, y; + + cairo_get_current_point (cr, &x, &y); + cairo_text_path (cr, str); + + cairo_set_source_rgb (cr, 0, .5, 1); + cairo_stroke(cr); + + cairo_set_source_rgb (cr, 1, .5, 0); + cairo_move_to (cr, x, y); + cairo_show_text (cr, str); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const char *string = "0123456789"; + cairo_text_extents_t extents; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_text_extents (cr, string, &extents); + + cairo_set_font_size (cr, 12); + cairo_set_line_width (cr, 3); + cairo_move_to (cr, 9, 4 + extents.height); + halo_around_path (cr, string); + + cairo_move_to (cr, 109, 4 + extents.height); + halo_around_text (cr, string); + + cairo_set_font_size (cr, 6); + cairo_set_line_width (cr, 3); + cairo_move_to (cr, 19 + extents.width, 20 + extents.height); + halo_around_path (cr, "0"); + + cairo_move_to (cr, 119 + extents.width, 20 + extents.height); + halo_around_text (cr, "0"); + + cairo_set_font_size (cr, 64); + cairo_set_line_width (cr, 10); + cairo_move_to (cr, 8, 70); + halo_around_path (cr, "6"); + cairo_move_to (cr, 32, 90); + halo_around_path (cr, "7"); + + cairo_move_to (cr, 108, 70); + halo_around_text (cr, "6"); + cairo_move_to (cr, 132, 90); + halo_around_text (cr, "7"); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_transform (cairo_t *cr, int width, int height) +{ + const char *string = "0123456789"; + cairo_text_extents_t extents; + + cairo_translate (cr, 50, 50); + cairo_scale (cr, M_SQRT2, M_SQRT2); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_text_extents (cr, string, &extents); + + cairo_set_line_width (cr, 3); + cairo_move_to (cr, 9, 4 + extents.height); + halo_around_path (cr, string); + + cairo_move_to (cr, 109, 4 + extents.height); + halo_around_text (cr, string); + + cairo_set_font_size (cr, 6); + cairo_set_line_width (cr, 3); + cairo_move_to (cr, 19 + extents.width, 20 + extents.height); + halo_around_path (cr, "0"); + + cairo_move_to (cr, 119 + extents.width, 20 + extents.height); + halo_around_text (cr, "0"); + + cairo_set_font_size (cr, 64); + cairo_set_line_width (cr, 10); + cairo_move_to (cr, 8, 70); + halo_around_path (cr, "6"); + cairo_move_to (cr, 32, 90); + halo_around_path (cr, "7"); + + cairo_move_to (cr, 108, 70); + halo_around_text (cr, "6"); + cairo_move_to (cr, 132, 90); + halo_around_text (cr, "7"); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (halo, + "Check the show_glyphs() vs glyph_path()", + "text", /* keywords */ + NULL, /* requirements */ + 200, 100, + NULL, draw) + +CAIRO_TEST (halo_transform, + "Check the show_glyphs() vs glyph_path()", + "text", /* keywords */ + NULL, /* requirements */ + 400, 200, + NULL, draw_transform) diff --git a/test/hatchings.c b/test/hatchings.c new file mode 100644 index 000000000..ca3f2c6af --- /dev/null +++ b/test/hatchings.c @@ -0,0 +1,153 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define STEP 5 +#define WIDTH 100 +#define HEIGHT 100 + +static void hatching (cairo_t *cr) +{ + int i; + + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + for (i = 0; i < WIDTH; i += STEP) { + cairo_rectangle (cr, i-1, -2, 2, HEIGHT+4); + cairo_rectangle (cr, -2, i-1, WIDTH+4, 2); + } +} + +static void background (cairo_t *cr) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); +} + +static void clip_to_quadrant (cairo_t *cr) +{ + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); +} + +static void draw_hatching (cairo_t *cr, void (*func) (cairo_t *)) +{ + cairo_save (cr); { + clip_to_quadrant (cr); + hatching (cr); + func (cr); + } cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + cairo_save (cr); { + clip_to_quadrant (cr); + cairo_translate (cr, 0.25, 0.25); + hatching (cr); + func (cr); + } cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); + + cairo_save (cr); { + clip_to_quadrant (cr); + cairo_translate (cr, WIDTH/2, HEIGHT/2); + cairo_rotate (cr, M_PI/4); + cairo_translate (cr, -WIDTH/2, -HEIGHT/2); + hatching (cr); + func (cr); + } cairo_restore (cr); + + cairo_translate (cr, WIDTH, 0); +} + +static void do_clip (cairo_t *cr) +{ + cairo_clip (cr); + cairo_paint (cr); +} + +static void do_clip_alpha (cairo_t *cr) +{ + cairo_clip (cr); + cairo_paint_with_alpha (cr, .5); +} + +static void hatchings (cairo_t *cr, void (*func) (cairo_t *)) +{ + cairo_save (cr); { + cairo_set_source_rgb(cr, 1, 0, 0); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_DEFAULT); + draw_hatching (cr, func); + cairo_set_source_rgb(cr, 0, 0, 1); + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + draw_hatching (cr, func); + } cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + background (cr); + + + /* aligned, misaligned, diagonal; mono repeat + * x fill + * x clip; paint + * x clip; paint-alpha + * repeated, for over/source + */ + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + + hatchings (cr, cairo_fill); + cairo_translate (cr, 0, HEIGHT); + hatchings (cr, do_clip); + cairo_translate (cr, 0, HEIGHT); + hatchings (cr, do_clip_alpha); + cairo_translate (cr, 0, HEIGHT); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + + hatchings (cr, cairo_fill); + cairo_translate (cr, 0, HEIGHT); + hatchings (cr, do_clip); + cairo_translate (cr, 0, HEIGHT); + hatchings (cr, do_clip_alpha); + cairo_translate (cr, 0, HEIGHT); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (hatchings, + "Test drawing through various aligned/unaliged clips", + "clip, alpha", /* keywords */ + "target=raster", /* requirements */ + 6*WIDTH, 6*HEIGHT, + NULL, draw) diff --git a/test/horizontal-clip.c b/test/horizontal-clip.c new file mode 100644 index 000000000..93127a722 --- /dev/null +++ b/test/horizontal-clip.c @@ -0,0 +1,77 @@ +/* + * Copyright 2011 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* Exercises a bug spotted by Andrea Canciani where the polygon clipping + * code was hopeless broken with horizontal edges. + */ + +#include "cairo-test.h" + +#define WIDTH 16 +#define HEIGHT 26 + +#define BUGY 1 +#define BUGX (4 * BUGY * WIDTH * 256) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_move_to (cr, - BUGX, 6 - BUGY); + cairo_line_to (cr, + BUGX, 6 + BUGY); + cairo_line_to (cr, WIDTH + BUGX, 2 - BUGY); + cairo_line_to (cr, WIDTH - BUGX, 2 + BUGY); + cairo_fill (cr); + + cairo_move_to (cr, WIDTH + BUGX, 8 - BUGY); + cairo_line_to (cr, WIDTH - BUGX, 8 + BUGY); + cairo_line_to (cr, - BUGX, 12 - BUGY); + cairo_line_to (cr, + BUGX, 12 + BUGY); + cairo_fill (cr); + + cairo_move_to (cr, - BUGX, 14 - BUGY); + cairo_line_to (cr, + BUGX, 14 + BUGY); + cairo_line_to (cr, WIDTH + BUGX, 18 - BUGY); + cairo_line_to (cr, WIDTH - BUGX, 18 + BUGY); + cairo_fill (cr); + + cairo_move_to (cr, WIDTH + BUGX, 24 - BUGY); + cairo_line_to (cr, WIDTH - BUGX, 24 + BUGY); + cairo_line_to (cr, - BUGX, 20 - BUGY); + cairo_line_to (cr, + BUGX, 20 + BUGY); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (horizontal_clip, + "Tests intersection of a nearly horizontal lines with a clipped polygon", + "clip, fill", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/huge-linear.c b/test/huge-linear.c new file mode 100644 index 000000000..f84b4ea0c --- /dev/null +++ b/test/huge-linear.c @@ -0,0 +1,67 @@ +/* + * Copyright © 2006 Benjamin Otte + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" + +/* set this to 0.1 to make this test work */ +#define FACTOR 1.e6 + +/* XXX poppler-cairo doesn't handle gradients very well... */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + cairo_matrix_t mat = { + 0, -4.5254285714285709 * FACTOR, + -2.6398333333333333 * FACTOR, 0, + 0, 0 + }; + + pattern = cairo_pattern_create_linear (-16384 * FACTOR, 0, + 16384 * FACTOR, 0); + cairo_pattern_add_color_stop_rgba (pattern, + 0, 0.376471, 0.533333, 0.27451, 1); + cairo_pattern_add_color_stop_rgba (pattern, 1, 1, 1, 1, 1); + cairo_pattern_set_matrix (pattern, &mat); + + cairo_scale (cr, 0.05, 0.05); + cairo_translate (cr, 6000, 3500); + + cairo_set_source (cr, pattern); + cairo_rectangle (cr, -6000, -3500, 12000, 7000); + cairo_pattern_destroy (pattern); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (huge_linear, + "Test huge linear patterns", + "gradient, linear", /* keywords */ + NULL, /* requirements */ + 600, 350, + NULL, draw) diff --git a/test/huge-radial.c b/test/huge-radial.c new file mode 100644 index 000000000..21524b7a4 --- /dev/null +++ b/test/huge-radial.c @@ -0,0 +1,69 @@ +/* + * Copyright © 2006 Benjamin Otte + * Copyright © 2009 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* set this to 0.1 to make this test work */ +#define FACTOR 1.e6 + +/* XXX poppler-cairo doesn't handle gradients very well... */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + cairo_matrix_t mat = { + 0, -4.5254285714285709 * FACTOR, + -2.6398333333333333 * FACTOR, 0, + 0, 0 + }; + + pattern = cairo_pattern_create_radial (0, 0, 0, + 0, 0, 16384 * FACTOR); + cairo_pattern_add_color_stop_rgba (pattern, + 0, 0.376471, 0.533333, 0.27451, 1); + cairo_pattern_add_color_stop_rgba (pattern, 1, 1, 1, 1, 1); + cairo_pattern_set_matrix (pattern, &mat); + + cairo_scale (cr, 0.05, 0.05); + cairo_translate (cr, 6000, 3500); + + cairo_set_source (cr, pattern); + cairo_rectangle (cr, -6000, -3500, 12000, 7000); + cairo_pattern_destroy (pattern); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (huge_radial, + "Test huge radial patterns", + "gradient, radial", /* keywords */ + NULL, /* requirements */ + 600, 350, + NULL, draw) diff --git a/test/image-bug-710072.c b/test/image-bug-710072.c new file mode 100644 index 000000000..9cf0da799 --- /dev/null +++ b/test/image-bug-710072.c @@ -0,0 +1,80 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* + * This test case aims to reproduce the misbehaviour exhibited in + * https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/710072 + * i.e. out of bounds rendering with the rectangular span compositor. + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw_aligned (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_rectangle (cr, -10, -10, 20, 20); + cairo_rectangle (cr, 5, 5, 20, 20); + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_fill_preserve (cr); + cairo_set_source_rgba (cr, 1, 0, 0, .5); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_unaligned (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_rectangle (cr, -10.5, -10.5, 20, 20); + cairo_rectangle (cr, 5.5, 5.5, 20, 20); + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_fill_preserve (cr); + cairo_set_source_rgba (cr, 1, 0, 0, .5); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (image_bug_710072_aligned, + "Tests a bug where we may compute spans greater than bounded extents", + "extents, fill, stroke", /* keywords */ + NULL, /* requirements */ + 15, 15, + NULL, draw_aligned) + +CAIRO_TEST (image_bug_710072_unaligned, + "Tests a bug where we may compute spans greater than bounded extents", + "extents, fill, stroke", /* keywords */ + NULL, /* requirements */ + 15, 15, + NULL, draw_unaligned) diff --git a/test/image-surface-source.c b/test/image-surface-source.c new file mode 100644 index 000000000..c7c1fdc33 --- /dev/null +++ b/test/image-surface-source.c @@ -0,0 +1,41 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#include "surface-source.c" + +static cairo_surface_t * +create_source_surface (int size) +{ + return cairo_image_surface_create (CAIRO_FORMAT_ARGB32, size, size); +} + +CAIRO_TEST (image_surface_source, + "Test using a image surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) diff --git a/test/image1.jb2 b/test/image1.jb2 Binary files differnew file mode 100644 index 000000000..882ca95eb --- /dev/null +++ b/test/image1.jb2 diff --git a/test/image2.jb2 b/test/image2.jb2 Binary files differnew file mode 100644 index 000000000..48e41463f --- /dev/null +++ b/test/image2.jb2 diff --git a/test/imagediff.c b/test/imagediff.c new file mode 100644 index 000000000..6ebbcfca7 --- /dev/null +++ b/test/imagediff.c @@ -0,0 +1,303 @@ +/* imagediff - Compare two images + * + * Copyright © 2004 Richard D. Worth + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of Richard Worth + * not be used in advertising or publicity pertaining to distribution + * of the software without specific, written prior permission. + * Richard Worth makes no representations about the suitability of this + * software for any purpose. It is provided "as is" without express + * or implied warranty. + * + * RICHARD WORTH DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN + * NO EVENT SHALL RICHARD WORTH BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS + * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Richard D. Worth <richard@theworths.org> */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <errno.h> + +#include "buffer-diff.h" + +static void +_xunlink (const char *pathname) +{ + if (unlink (pathname) < 0 && errno != ENOENT) { + fprintf (stderr, " Error: Cannot remove %s: %s\n", + pathname, strerror (errno)); + exit (1); + } +} + +void +cairo_test_logv (const cairo_test_context_t *ctx, + const char *fmt, va_list va) +{ + vfprintf (stderr, fmt, va); +} + +void +cairo_test_log (const cairo_test_context_t *ctx, const char *fmt, ...) +{ + va_list va; + + va_start (va, fmt); + vfprintf (stderr, fmt, va); + va_end (va); +} + +/* Flatten an ARGB surface by blending it over white. The resulting + * surface, (still in ARGB32 format, but with only alpha==1.0 + * everywhere) is returned in the same surface pointer. + * + * The original surface will be destroyed. + * + * The (x,y) value specify an origin of interest for the original + * image. The flattened image will be generated only from the box + * extending from (x,y) to (width,height). + */ +static void +flatten_surface (cairo_surface_t **surface, int x, int y) +{ + cairo_surface_t *flat; + cairo_t *cr; + + flat = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + cairo_image_surface_get_width (*surface) - x, + cairo_image_surface_get_height (*surface) - y); + cairo_surface_set_device_offset (flat, -x, -y); + + cr = cairo_create (flat); + cairo_surface_destroy (flat); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_surface (cr, *surface, 0, 0); + cairo_surface_destroy (*surface); + cairo_paint (cr); + + *surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); +} + +/* Given an image surface, create a new surface that has the same + * contents as the sub-surface with its origin at x,y. + * + * The original surface will be destroyed. + */ +static void +extract_sub_surface (cairo_surface_t **surface, int x, int y) +{ + cairo_surface_t *sub; + cairo_t *cr; + + sub = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + cairo_image_surface_get_width (*surface) - x, + cairo_image_surface_get_height (*surface) - y); + + /* We don't use a device offset like flatten_surface. That's not + * for any important reason, (the results should be + * identical). This style just seemed more natural to me this + * time, so I'm leaving both here so I can look at both to see + * which I like better. */ + cr = cairo_create (sub); + cairo_surface_destroy (sub); + + cairo_set_source_surface (cr, *surface, -x, -y); + cairo_surface_destroy (*surface); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + + *surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); +} + +static cairo_status_t +stdio_write_func (void *closure, const unsigned char *data, unsigned int length) +{ + FILE *file = closure; + + if (fwrite (data, 1, length, file) != length) + return CAIRO_STATUS_WRITE_ERROR; + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +write_png (cairo_surface_t *surface, const char *filename) +{ + cairo_status_t status; + FILE *png_file; + + if (filename != NULL) { + png_file = fopen (filename, "wb"); + if (png_file == NULL) { + switch (errno) { + case ENOMEM: + return CAIRO_STATUS_NO_MEMORY; + default: + return CAIRO_STATUS_WRITE_ERROR; + } + } + } else + png_file = stdout; + + status = cairo_surface_write_to_png_stream (surface, + stdio_write_func, + png_file); + + if (png_file != stdout) + fclose (png_file); + + return status; +} + +static cairo_status_t +png_diff (const char *filename_a, + const char *filename_b, + const char *filename_diff, + int ax, + int ay, + int bx, + int by, + buffer_diff_result_t *result) +{ + cairo_surface_t *surface_a; + cairo_surface_t *surface_b; + cairo_surface_t *surface_diff; + cairo_status_t status; + + surface_a = cairo_image_surface_create_from_png (filename_a); + status = cairo_surface_status (surface_a); + if (status) { + fprintf (stderr, "Error: Failed to create surface from %s: %s\n", + filename_a, cairo_status_to_string (status)); + return status; + } + + surface_b = cairo_image_surface_create_from_png (filename_b); + status = cairo_surface_status (surface_b); + if (status) { + fprintf (stderr, "Error: Failed to create surface from %s: %s\n", + filename_b, cairo_status_to_string (status)); + cairo_surface_destroy (surface_a); + return status; + } + + if (ax || ay) { + extract_sub_surface (&surface_a, ax, ay); + ax = ay = 0; + } + + if (bx || by) { + extract_sub_surface (&surface_b, bx, by); + bx = by = 0; + } + + status = cairo_surface_status (surface_a); + if (status) { + fprintf (stderr, "Error: Failed to extract surface from %s: %s\n", + filename_a, cairo_status_to_string (status)); + cairo_surface_destroy (surface_a); + cairo_surface_destroy (surface_b); + return status; + } + status = cairo_surface_status (surface_b); + if (status) { + fprintf (stderr, "Error: Failed to extract surface from %s: %s\n", + filename_b, cairo_status_to_string (status)); + cairo_surface_destroy (surface_a); + cairo_surface_destroy (surface_b); + return status; + } + + surface_diff = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + cairo_image_surface_get_width (surface_a), + cairo_image_surface_get_height (surface_a)); + status = cairo_surface_status (surface_diff); + if (status) { + fprintf (stderr, + "Error: Failed to allocate surface to hold differences\n"); + cairo_surface_destroy (surface_a); + cairo_surface_destroy (surface_b); + return CAIRO_STATUS_NO_MEMORY; + } + + status = image_diff (NULL, + surface_a, surface_b, surface_diff, + result); + + if (filename_diff) + _xunlink (filename_diff); + + if (status == CAIRO_STATUS_SUCCESS && + result->pixels_changed) + { + status = write_png (surface_diff, filename_diff); + } + + cairo_surface_destroy (surface_a); + cairo_surface_destroy (surface_b); + cairo_surface_destroy (surface_diff); + + return status; +} + +int +main (int argc, char *argv[]) +{ + buffer_diff_result_t result; + cairo_status_t status; + + unsigned int ax, ay, bx, by; + + if (argc != 3 && argc != 7) { + fprintf (stderr, "Usage: %s image1.png image2.png [ax ay bx by]\n", argv[0]); + fprintf (stderr, "Computes an output image designed to present a \"visual diff\" such that even\n"); + fprintf (stderr, "small errors in single pixels are readily apparent in the output.\n"); + fprintf (stderr, "The output image is written on stdout.\n"); + exit (1); + } + + if (argc == 7) { + ax = strtoul (argv[3], NULL, 0); + ay = strtoul (argv[4], NULL, 0); + bx = strtoul (argv[5], NULL, 0); + by = strtoul (argv[6], NULL, 0); + } else { + ax = ay = bx = by = 0; + } + + status = png_diff (argv[1], argv[2], NULL, ax, ay, bx, by, &result); + + if (status) { + fprintf (stderr, "Error comparing images: %s\n", + cairo_status_to_string (status)); + return 1; + } + + if (result.pixels_changed) + fprintf (stderr, "Total pixels changed: %d with a maximum channel difference of %d.\n", + result.pixels_changed, + result.max_diff); + + return (result.pixels_changed != 0); +} diff --git a/test/implicit-close.c b/test/implicit-close.c new file mode 100644 index 000000000..2529bb00f --- /dev/null +++ b/test/implicit-close.c @@ -0,0 +1,54 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 40 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_move_to (cr, SIZE, 0); + cairo_rel_line_to (cr, 0, SIZE); + cairo_rel_line_to (cr, -SIZE, 0); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_fill_preserve (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (implicit_close, + "Test implicitly closing paths", + "fill", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/in-fill-empty-trapezoid.c b/test/in-fill-empty-trapezoid.c new file mode 100644 index 000000000..0797399c5 --- /dev/null +++ b/test/in-fill-empty-trapezoid.c @@ -0,0 +1,109 @@ +/* + * Copyright © 2006 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ + +/* Bug history + * + * 2006-12-05 M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + * + * The cairo_in_fill () function can sometimes produce false + * positives when the tessellator produces empty trapezoids + * and the query point lands exactly on a trapezoid edge. + */ + +#include "cairo-test.h" + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + int x,y; + int width = 10; + int height = 10; + cairo_surface_t *surf; + cairo_t *cr; + int false_positive_count = 0; + cairo_status_t status; + cairo_test_status_t ret; + + surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height); + cr = cairo_create (surf); + cairo_surface_destroy (surf); + + /* Empty horizontal trapezoid. */ + cairo_move_to (cr, 0, height/3); + cairo_line_to (cr, width, height/3); + cairo_close_path (cr); + + /* Empty non-horizontal trapezoid #1. */ + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, width, height/2); + cairo_close_path (cr); + + /* Empty non-horizontal trapezoid #2 intersecting #1. */ + cairo_move_to (cr, 0, height/2); + cairo_line_to (cr, width, 0); + cairo_close_path (cr); + + status = cairo_status (cr); + + /* Point sample the tessellated path. */ + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + if (cairo_in_fill (cr, x, y)) { + false_positive_count++; + } + } + } + cairo_destroy (cr); + + /* Check that everything went well. */ + ret = CAIRO_TEST_SUCCESS; + if (CAIRO_STATUS_SUCCESS != status) { + cairo_test_log (ctx, "Failed to create a test surface and path: %s\n", + cairo_status_to_string (status)); + ret = CAIRO_TEST_XFAILURE; + } + + if (0 != false_positive_count) { + cairo_test_log (ctx, "Point sampling found %d false positives " + "from cairo_in_fill()\n", + false_positive_count); + ret = CAIRO_TEST_XFAILURE; + } + + return ret; +} + +/* + * XFAIL: The cairo_in_fill () function can sometimes produce false positives + * when the tessellator produces empty trapezoids and the query point lands + * exactly on a trapezoid edge. + */ +CAIRO_TEST (in_fill_empty_trapezoid, + "Test that the tessellator isn't producing obviously empty trapezoids", + "in, trap", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/in-fill-trapezoid.c b/test/in-fill-trapezoid.c new file mode 100644 index 000000000..84b323a05 --- /dev/null +++ b/test/in-fill-trapezoid.c @@ -0,0 +1,279 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_test_status_t ret = CAIRO_TEST_SUCCESS; + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 0, 0); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + /* simple rectangle */ + cairo_new_path (cr); + cairo_rectangle (cr, -10, -10, 20, 20); + if (! cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Failed to find point inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* rectangular boundary tests */ + if (! cairo_in_fill (cr, -10, -10)) { + cairo_test_log (ctx, "Error: Failed to find top-left vertex inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, -10, 10)) { + cairo_test_log (ctx, "Error: Failed to find bottom-left vertex inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, 10, -10)) { + cairo_test_log (ctx, "Error: Failed to find top-right vertex inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, 10, 10)) { + cairo_test_log (ctx, "Error: Failed to find bottom-right vertex inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, -10, 0)) { + cairo_test_log (ctx, "Error: Failed to find left edge inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, 0, -10)) { + cairo_test_log (ctx, "Error: Failed to find top edge inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, 10, 0)) { + cairo_test_log (ctx, "Error: Failed to find right edge inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, 0, 10)) { + cairo_test_log (ctx, "Error: Failed to find bottom edge inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* simple circle */ + cairo_new_path (cr); + cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI); + if (! cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Failed to find point inside circle [even-odd]\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* holey rectangle */ + cairo_new_path (cr); + cairo_rectangle (cr, -10, -10, 20, 20); + cairo_rectangle (cr, -5, -5, 10, 10); + if (cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Found an unexpected point inside rectangular eo-hole\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* holey circle */ + cairo_new_path (cr); + cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI); + cairo_arc (cr, 0, 0, 5, 0, 2 * M_PI); + if (cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Found an unexpected point inside circular eo-hole\n"); + ret = CAIRO_TEST_FAILURE; + } + + + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); + + /* simple rectangle */ + cairo_new_path (cr); + cairo_rectangle (cr, -10, -10, 20, 20); + if (! cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Failed to find point inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* simple circle */ + cairo_new_path (cr); + cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI); + if (! cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Failed to find point inside circle [nonzero]\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* overlapping circle/rectangle */ + cairo_new_path (cr); + cairo_rectangle (cr, -10, -10, 20, 20); + cairo_new_sub_path (cr); + cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI); + if (! cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Failed to find point inside circle+rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* holey rectangle */ + cairo_new_path (cr); + cairo_rectangle (cr, -10, -10, 20, 20); + cairo_rectangle (cr, 5, -5, -10, 10); + if (cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Found an unexpected point inside rectangular non-zero-hole\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* holey circle */ + cairo_new_path (cr); + cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI); + cairo_arc_negative (cr, 0, 0, 5, 0, -2 * M_PI); + if (cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Found an unexpected point inside circular non-zero-hole\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* not a holey circle */ + cairo_new_path (cr); + cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI); + cairo_arc (cr, 0, 0, 5, 0, 2 * M_PI); + if (! cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Failed to find point inside two circles\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* check off-centre */ + cairo_new_path (cr); + cairo_arc (cr, 7.5, 0, 10, 0, 2 * M_PI); + cairo_arc_negative (cr, 7.5, 0, 5, 0, -2 * M_PI); + if (cairo_in_fill (cr, 7.5, 0)) { + cairo_test_log (ctx, "Error: Found an unexpected point inside off-centre-x circular non-zero-hole\n"); + ret = CAIRO_TEST_FAILURE; + } + cairo_new_path (cr); + cairo_arc (cr, 0, 7.5, 10, 0, 2 * M_PI); + cairo_arc_negative (cr, 0, 7.5, 5, 0, -2 * M_PI); + if (cairo_in_fill (cr, 0, 7.5)) { + cairo_test_log (ctx, "Error: Found an unexpected point inside off-centre-y circular non-zero-hole\n"); + ret = CAIRO_TEST_FAILURE; + } + cairo_new_path (cr); + cairo_arc (cr, 15, 0, 10, 0, 2 * M_PI); + if (! cairo_in_fill (cr, 15, 0)) { + cairo_test_log (ctx, "Error: Failed to find point inside off-centre-x circle\n"); + ret = CAIRO_TEST_FAILURE; + } + cairo_new_path (cr); + cairo_arc (cr, 0, 15, 10, 0, 2 * M_PI); + if (! cairo_in_fill (cr, 0, 15)) { + cairo_test_log (ctx, "Error: Failed to find point inside off-centre-y circle\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* simple rectangle */ + cairo_new_path (cr); + cairo_rectangle (cr, 10, 0, 5, 5); + if (cairo_in_fill (cr, 0, 0)) { + cairo_test_log (ctx, "Error: Found an unexpected point outside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + if (cairo_in_fill (cr, 20, 20)) { + cairo_test_log (ctx, "Error: Found an unexpected point outside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, 12.5, 2.5)) { + cairo_test_log (ctx, "Error: Failed to find point inside rectangle\n"); + ret = CAIRO_TEST_FAILURE; + } + + /* off-centre triangle */ + cairo_new_path (cr); + cairo_move_to (cr, 10, 0); + cairo_line_to (cr, 15, 5); + cairo_line_to (cr, 5, 5); + cairo_close_path (cr); + if (cairo_in_fill (cr, 0, 0) || + cairo_in_fill (cr, 5, 0) || + cairo_in_fill (cr, 15, 0) || + cairo_in_fill (cr, 20, 0) || + cairo_in_fill (cr, 0, 10) || + cairo_in_fill (cr, 10, 10) || + cairo_in_fill (cr, 20, 10) || + cairo_in_fill (cr, 7, 2.5) || + cairo_in_fill (cr, 13, 2.5)) + { + cairo_test_log (ctx, + "Error: Found an unexpected point outside triangle\n" + "\t(0, 0) -> %s\n" + "\t(5, 0) -> %s\n" + "\t(15, 0) -> %s\n" + "\t(20, 0) -> %s\n" + "\t(0, 10) -> %s\n" + "\t(10, 10) -> %s\n" + "\t(20, 10) -> %s\n" + "\t(7, 2.5) -> %s\n" + "\t(13, 2.5) -> %s\n", + cairo_in_fill (cr, 0, 0) ? "inside" : "outside", + cairo_in_fill (cr, 5, 0) ? "inside" : "outside", + cairo_in_fill (cr, 15, 0) ? "inside" : "outside", + cairo_in_fill (cr, 20, 0) ? "inside" : "outside", + cairo_in_fill (cr, 0, 10) ? "inside" : "outside", + cairo_in_fill (cr, 10, 10) ? "inside" : "outside", + cairo_in_fill (cr, 20, 10) ? "inside" : "outside", + cairo_in_fill (cr, 7, 2.5) ? "inside" : "outside", + cairo_in_fill (cr, 13, 2.5) ? "inside" : "outside"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, 7.5, 2.5) || + ! cairo_in_fill (cr, 12.5, 2.5) || + ! cairo_in_fill (cr, 10, 5)) + { + cairo_test_log (ctx, + "Error: Failed to find point on triangle edge\n" + "\t(7.5, 2.5) -> %s\n" + "\t(12.5, 2.5) -> %s\n" + "\t(10, 5) -> %s\n", + cairo_in_fill (cr, 7.5, 2.5) ? "inside" : "outside", + cairo_in_fill (cr, 12.5, 2.5) ? "inside" : "outside", + cairo_in_fill (cr, 10, 5) ? "inside" : "outside"); + ret = CAIRO_TEST_FAILURE; + } + if (! cairo_in_fill (cr, 8, 2.5) || + ! cairo_in_fill (cr, 12, 2.5)) + { + cairo_test_log (ctx, "Error: Failed to find point inside triangle\n"); + ret = CAIRO_TEST_FAILURE; + } + + cairo_destroy (cr); + + return ret; +} + +CAIRO_TEST (in_fill_trapezoid, + "Test cairo_in_fill", + "in, trap", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/index.html b/test/index.html new file mode 100644 index 000000000..54c65cdc1 --- /dev/null +++ b/test/index.html @@ -0,0 +1,42 @@ +<html><head> +<title>Cairo Test Results</title> +<style type="text/css"> +#HcolHeader { text-align: center; } + +img { max-width: 15em; min-width: 3em; min-height: 3em; margin: 3px; } +a img { border: solid 1px #FFF; } + +td { vertical-align: top; } +span { cursor: pointer; } + +td.PASS { background-color: #0B0; min-width: 1em; } +span.PASS { color: #0B0; } + +td.NEW { background-color: #B70; } +span.NEW { color: #B70; } + +td.FAIL { background-color: #B00; } +span.FAIL { color: #D00; } + +td.XFAIL { background-color: #BB0; } +span.XFAIL { color: #BB0; } + +td.UNTESTED { background-color: #555; } +span.UNTESTED { color: #555; } + +td.CRASHED { background-color: #F00; color: #FF0; } +span.CRASHED { color: #F00; } + +.test { } +.target { } +.format { } +.offset { } +.similar { } + +</style> +<script language="JavaScript" src="testtable.js"></script> +</head> +<body oncontextmenu='ignoreEvent (event)' onmouseup='noDrag (event)'> +<table id="testTable" border="1"></table> +</body> +</html> diff --git a/test/infinite-join.c b/test/infinite-join.c new file mode 100644 index 000000000..a573f56a5 --- /dev/null +++ b/test/infinite-join.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of the + * copyright holders not be used in advertising or publicity + * pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied + * warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Test case for bug #8379: + * + * infinite loop when stroking + * https://bugs.freedesktop.org/show_bug.cgi?id=8379 + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Paint white, then draw in black. */ + cairo_set_source_rgb (cr, 1, 1, 1); /* white */ + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + + /* scaling 2 times causes a slight rounding error in the ctm. + * Without that, the bug doesn't happen. */ + cairo_scale (cr, 20 / 100., 20 / 100.); + cairo_scale (cr, 1. / 20, 1. / 20); + + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_set_line_width (cr, 20); + + cairo_translate (cr, -18300, -13200); + + cairo_new_path (cr); + cairo_move_to (cr, 18928, 13843); + cairo_line_to (cr, 18500, 13843); + cairo_line_to (cr, 18500, 13400); + cairo_line_to (cr, 18928, 13400); + cairo_line_to (cr, 18928, 13843); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (infinite_join, + "Test case for infinite loop when stroking with round joins", + "stroke", /* keywords */ + NULL, + 8, 8, + NULL, draw) diff --git a/test/invalid-matrix.c b/test/invalid-matrix.c new file mode 100644 index 000000000..9bb26be0b --- /dev/null +++ b/test/invalid-matrix.c @@ -0,0 +1,374 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl Worth <cworth@cworth.org> + */ + +#define _ISOC99_SOURCE /* for INFINITY */ +#define _GNU_SOURCE 1 /* for fedisableeexcept() et al */ + +#include "cairo-test.h" + +#if !defined(INFINITY) +#define INFINITY HUGE_VAL +#endif + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_status_t status; + cairo_surface_t *target; + cairo_font_face_t *font_face; + cairo_font_options_t *font_options; + cairo_scaled_font_t *scaled_font; + cairo_pattern_t *pattern; + cairo_t *cr2; + cairo_matrix_t identity, bogus, inf, invalid = { + 4.0, 4.0, + 4.0, 4.0, + 4.0, 4.0 + }; + +#define CHECK_STATUS(status, function_name) \ +if ((status) == CAIRO_STATUS_SUCCESS) { \ + cairo_test_log (ctx, "Error: %s with invalid matrix passed\n", \ + (function_name)); \ + return CAIRO_TEST_FAILURE; \ +} else if ((status) != CAIRO_STATUS_INVALID_MATRIX) { \ + cairo_test_log (ctx, "Error: %s with invalid matrix returned unexpected status " \ + "(%d): %s\n", \ + (function_name), \ + status, \ + cairo_status_to_string (status)); \ + return CAIRO_TEST_FAILURE; \ +} + + /* clear floating point exceptions (added by cairo_test_init()) */ +#if HAVE_FEDISABLEEXCEPT + fedisableexcept (FE_INVALID); +#endif + + /* create a bogus matrix and check results of attempted inversion */ + bogus.x0 = bogus.xy = bogus.xx = cairo_test_NaN (); + bogus.y0 = bogus.yx = bogus.yy = bogus.xx; + status = cairo_matrix_invert (&bogus); + CHECK_STATUS (status, "cairo_matrix_invert(NaN)"); + + inf.x0 = inf.xy = inf.xx = INFINITY; + inf.y0 = inf.yx = inf.yy = inf.xx; + status = cairo_matrix_invert (&inf); + CHECK_STATUS (status, "cairo_matrix_invert(infinity)"); + + /* test cairo_matrix_invert with invalid matrix */ + status = cairo_matrix_invert (&invalid); + CHECK_STATUS (status, "cairo_matrix_invert(invalid)"); + + + cairo_matrix_init_identity (&identity); + + target = cairo_get_group_target (cr); + + /* test cairo_transform with invalid matrix */ + cr2 = cairo_create (target); + cairo_transform (cr2, &invalid); + + status = cairo_status (cr2); + cairo_destroy (cr2); + CHECK_STATUS (status, "cairo_transform(invalid)"); + + /* test cairo_transform with bogus matrix */ + cr2 = cairo_create (target); + cairo_transform (cr2, &bogus); + + status = cairo_status (cr2); + cairo_destroy (cr2); + CHECK_STATUS (status, "cairo_transform(NaN)"); + + /* test cairo_transform with ∞ matrix */ + cr2 = cairo_create (target); + cairo_transform (cr2, &inf); + + status = cairo_status (cr2); + cairo_destroy (cr2); + CHECK_STATUS (status, "cairo_transform(infinity)"); + + + /* test cairo_set_matrix with invalid matrix */ + cr2 = cairo_create (target); + cairo_set_matrix (cr2, &invalid); + + status = cairo_status (cr2); + cairo_destroy (cr2); + CHECK_STATUS (status, "cairo_set_matrix(invalid)"); + + /* test cairo_set_matrix with bogus matrix */ + cr2 = cairo_create (target); + cairo_set_matrix (cr2, &bogus); + + status = cairo_status (cr2); + cairo_destroy (cr2); + CHECK_STATUS (status, "cairo_set_matrix(NaN)"); + + /* test cairo_set_matrix with ∞ matrix */ + cr2 = cairo_create (target); + cairo_set_matrix (cr2, &inf); + + status = cairo_status (cr2); + cairo_destroy (cr2); + CHECK_STATUS (status, "cairo_set_matrix(infinity)"); + + + /* test cairo_set_font_matrix with invalid matrix */ + cr2 = cairo_create (target); + cairo_set_font_matrix (cr2, &invalid); + + /* draw some text to force the font to be resolved */ + cairo_show_text (cr2, "hello"); + + status = cairo_status (cr2); + cairo_destroy (cr2); + CHECK_STATUS (status, "cairo_set_font_matrix(invalid)"); + + /* test cairo_set_font_matrix with bogus matrix */ + cr2 = cairo_create (target); + cairo_set_font_matrix (cr2, &bogus); + + /* draw some text to force the font to be resolved */ + cairo_show_text (cr2, "hello"); + + status = cairo_status (cr2); + cairo_destroy (cr2); + CHECK_STATUS (status, "cairo_set_font_matrix(NaN)"); + + /* test cairo_set_font_matrix with ∞ matrix */ + cr2 = cairo_create (target); + cairo_set_font_matrix (cr2, &inf); + + /* draw some text to force the font to be resolved */ + cairo_show_text (cr2, "hello"); + + status = cairo_status (cr2); + cairo_destroy (cr2); + CHECK_STATUS (status, "cairo_set_font_matrix(infinity)"); + + + /* test cairo_scaled_font_create with invalid matrix */ + cr2 = cairo_create (target); + font_face = cairo_get_font_face (cr2); + font_options = cairo_font_options_create (); + cairo_get_font_options (cr, font_options); + scaled_font = cairo_scaled_font_create (font_face, + &invalid, + &identity, + font_options); + status = cairo_scaled_font_status (scaled_font); + CHECK_STATUS (status, "cairo_scaled_font_create(invalid)"); + + cairo_scaled_font_destroy (scaled_font); + + scaled_font = cairo_scaled_font_create (font_face, + &identity, + &invalid, + font_options); + status = cairo_scaled_font_status (scaled_font); + CHECK_STATUS (status, "cairo_scaled_font_create(invalid)"); + + cairo_scaled_font_destroy (scaled_font); + cairo_font_options_destroy (font_options); + cairo_destroy (cr2); + + /* test cairo_scaled_font_create with bogus matrix */ + cr2 = cairo_create (target); + font_face = cairo_get_font_face (cr2); + font_options = cairo_font_options_create (); + cairo_get_font_options (cr, font_options); + scaled_font = cairo_scaled_font_create (font_face, + &bogus, + &identity, + font_options); + status = cairo_scaled_font_status (scaled_font); + CHECK_STATUS (status, "cairo_scaled_font_create(NaN)"); + + cairo_scaled_font_destroy (scaled_font); + + scaled_font = cairo_scaled_font_create (font_face, + &identity, + &bogus, + font_options); + status = cairo_scaled_font_status (scaled_font); + CHECK_STATUS (status, "cairo_scaled_font_create(NaN)"); + + cairo_scaled_font_destroy (scaled_font); + cairo_font_options_destroy (font_options); + cairo_destroy (cr2); + + /* test cairo_scaled_font_create with ∞ matrix */ + cr2 = cairo_create (target); + font_face = cairo_get_font_face (cr2); + font_options = cairo_font_options_create (); + cairo_get_font_options (cr, font_options); + scaled_font = cairo_scaled_font_create (font_face, + &inf, + &identity, + font_options); + status = cairo_scaled_font_status (scaled_font); + CHECK_STATUS (status, "cairo_scaled_font_create(infinity)"); + + cairo_scaled_font_destroy (scaled_font); + + scaled_font = cairo_scaled_font_create (font_face, + &identity, + &inf, + font_options); + status = cairo_scaled_font_status (scaled_font); + CHECK_STATUS (status, "cairo_scaled_font_create(infinity)"); + + cairo_scaled_font_destroy (scaled_font); + cairo_font_options_destroy (font_options); + cairo_destroy (cr2); + + + /* test cairo_pattern_set_matrix with invalid matrix */ + pattern = cairo_pattern_create_rgb (1.0, 1.0, 1.0); + cairo_pattern_set_matrix (pattern, &invalid); + status = cairo_pattern_status (pattern); + CHECK_STATUS (status, "cairo_pattern_set_matrix(invalid)"); + cairo_pattern_destroy (pattern); + + /* test cairo_pattern_set_matrix with bogus matrix */ + pattern = cairo_pattern_create_rgb (1.0, 1.0, 1.0); + cairo_pattern_set_matrix (pattern, &bogus); + status = cairo_pattern_status (pattern); + CHECK_STATUS (status, "cairo_pattern_set_matrix(NaN)"); + cairo_pattern_destroy (pattern); + + /* test cairo_pattern_set_matrix with ∞ matrix */ + pattern = cairo_pattern_create_rgb (1.0, 1.0, 1.0); + cairo_pattern_set_matrix (pattern, &inf); + status = cairo_pattern_status (pattern); + CHECK_STATUS (status, "cairo_pattern_set_matrix(infinity)"); + cairo_pattern_destroy (pattern); + + + /* test invalid transformations */ + cr2 = cairo_create (target); + cairo_translate (cr2, bogus.xx, bogus.yy); + CHECK_STATUS (status, "cairo_translate(NaN, NaN)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_translate (cr2, 0, bogus.yy); + CHECK_STATUS (status, "cairo_translate(0, NaN)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_translate (cr2, bogus.xx, 0); + CHECK_STATUS (status, "cairo_translate(NaN, 0)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_translate (cr2, inf.xx, inf.yy); + CHECK_STATUS (status, "cairo_translate(∞, ∞)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_translate (cr2, 0, inf.yy); + CHECK_STATUS (status, "cairo_translate(0, ∞)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_translate (cr2, inf.xx, 0); + CHECK_STATUS (status, "cairo_translate(∞, 0)"); + cairo_destroy (cr2); + + + cr2 = cairo_create (target); + cairo_scale (cr2, bogus.xx, bogus.yy); + CHECK_STATUS (status, "cairo_scale(NaN, NaN)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_scale (cr2, 1, bogus.yy); + CHECK_STATUS (status, "cairo_scale(1, NaN)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_scale (cr2, bogus.xx, 1); + CHECK_STATUS (status, "cairo_scale(NaN, 1)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_scale (cr2, inf.xx, inf.yy); + CHECK_STATUS (status, "cairo_scale(∞, ∞)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_scale (cr2, 1, inf.yy); + CHECK_STATUS (status, "cairo_scale(1, ∞)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_scale (cr2, inf.xx, 1); + CHECK_STATUS (status, "cairo_scale(∞, 1)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_scale (cr2, bogus.xx, bogus.yy); + CHECK_STATUS (status, "cairo_scale(0, 0)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_scale (cr2, 1, bogus.yy); + CHECK_STATUS (status, "cairo_scale(1, 0)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_scale (cr2, bogus.xx, 1); + CHECK_STATUS (status, "cairo_scale(0, 1)"); + cairo_destroy (cr2); + + + cr2 = cairo_create (target); + cairo_rotate (cr2, bogus.xx); + CHECK_STATUS (status, "cairo_rotate(NaN)"); + cairo_destroy (cr2); + + cr2 = cairo_create (target); + cairo_rotate (cr2, inf.xx); + CHECK_STATUS (status, "cairo_rotate(∞)"); + cairo_destroy (cr2); + +#if HAVE_FECLEAREXCEPT + feclearexcept (FE_INVALID); +#endif + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (invalid_matrix, + "Test that all relevant public functions return CAIRO_STATUS_INVALID_MATRIX as appropriate", + "api, matrix", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/inverse-text.c b/test/inverse-text.c new file mode 100644 index 000000000..c8d7aea62 --- /dev/null +++ b/test/inverse-text.c @@ -0,0 +1,67 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * Copyright © 2010 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define TEXT_SIZE 12 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* This is just the inverse of select-font-face.c */ + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1, 1, 1); + + cairo_set_font_size (cr, TEXT_SIZE); + cairo_move_to (cr, 0, TEXT_SIZE); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Serif", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, "i-am-serif"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-sans"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans Mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-mono"); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (inverse_text, + "Tests rendering of inverse text (white-on-black)", + "font, text", /* keywords */ + NULL, /* requirements */ + 192, TEXT_SIZE + 4, + NULL, draw) diff --git a/test/inverted-clip.c b/test/inverted-clip.c new file mode 100644 index 000000000..b05dd6b6b --- /dev/null +++ b/test/inverted-clip.c @@ -0,0 +1,56 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* An assertion failure found by Rico Tzschichholz */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_set_source_rgb (cr, 0, 1, 0); + + cairo_arc (cr, 50, 50, 40, 0, 2 * M_PI); + cairo_clip_preserve (cr); + + cairo_paint (cr); + + cairo_rectangle (cr, 0, 0, 100, 100); + cairo_reset_clip (cr); + cairo_clip (cr); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (inverted_clip, + "Clip + InvertedClip should be opaque", + "clip, paint", /* keywords */ + "target=raster", /* requirements */ + 100, 100, + NULL, draw) diff --git a/test/joins-loop.c b/test/joins-loop.c new file mode 100644 index 000000000..f0b7bc11d --- /dev/null +++ b/test/joins-loop.c @@ -0,0 +1,100 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (8 * LINE_WIDTH) +#define PAD (1 * LINE_WIDTH) + + +static void +make_path (cairo_t *cr) +{ + cairo_move_to (cr, 0, 0); + cairo_rel_curve_to (cr, + SIZE, 0, + 0, SIZE, + SIZE, SIZE); + cairo_rel_line_to (cr, -SIZE, 0); + cairo_rel_curve_to (cr, + SIZE, 0, + 0, -SIZE, + SIZE, -SIZE); + cairo_close_path (cr); +} + +static void +draw_joins (cairo_t *cr) +{ + cairo_save (cr); + cairo_translate (cr, PAD, PAD); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_set_line_width (cr, LINE_WIDTH); + + draw_joins (cr); + + /* and reflect to generate the opposite vertex ordering */ + cairo_translate (cr, 0, height); + cairo_scale (cr, 1, -1); + + draw_joins (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (joins_loop, + "A loopy concave shape", + "stroke", /* keywords */ + NULL, /* requirements */ + 3*(SIZE+PAD)+PAD, 2*(SIZE+PAD)+2*PAD, + NULL, draw) + diff --git a/test/joins-retrace.c b/test/joins-retrace.c new file mode 100644 index 000000000..9a2cf708b --- /dev/null +++ b/test/joins-retrace.c @@ -0,0 +1,109 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (8 * LINE_WIDTH) +#define PAD (1 * LINE_WIDTH) + + +static void +make_path (cairo_t *cr) +{ + cairo_move_to (cr, 0, SIZE/2 + LINE_WIDTH); + cairo_rel_line_to (cr, SIZE, 0); + cairo_rel_line_to (cr, -SIZE, 0); + cairo_close_path (cr); + + cairo_move_to (cr, 3*SIZE/4, 0); + cairo_rel_line_to (cr, -SIZE/2, SIZE); + cairo_rel_line_to (cr, SIZE/2, -SIZE); + cairo_close_path (cr); + + cairo_move_to (cr, 0, SIZE/2-LINE_WIDTH); + cairo_rel_curve_to (cr, + SIZE/2, -2*LINE_WIDTH, + SIZE/2, 2*LINE_WIDTH, + SIZE, 0); + cairo_rel_curve_to (cr, + -SIZE/2, 2*LINE_WIDTH, + -SIZE/2, -2*LINE_WIDTH, + -SIZE, 0); + cairo_close_path (cr); +} + +static void +draw_joins (cairo_t *cr) +{ + cairo_save (cr); + cairo_translate (cr, PAD, PAD); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_set_line_width (cr, LINE_WIDTH); + + draw_joins (cr); + + /* and reflect to generate the opposite vertex ordering */ + cairo_translate (cr, 0, height); + cairo_scale (cr, 1, -1); + + draw_joins (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (joins_retrace, + "A shape that repeats upon itself", + "stroke", /* keywords */ + NULL, /* requirements */ + 3*(SIZE+PAD)+PAD, 2*(SIZE+PAD)+2*PAD, + NULL, draw) + diff --git a/test/joins-star.c b/test/joins-star.c new file mode 100644 index 000000000..17c1b4e66 --- /dev/null +++ b/test/joins-star.c @@ -0,0 +1,99 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (8 * LINE_WIDTH) +#define PAD (1 * LINE_WIDTH) + + +static void +make_path (cairo_t *cr) +{ +#define PROTRUSION 20 + cairo_move_to (cr, SIZE/2-PROTRUSION, LINE_WIDTH); + cairo_line_to (cr, SIZE-LINE_WIDTH, SIZE/2+PROTRUSION); + cairo_line_to (cr, SIZE-LINE_WIDTH, SIZE/2-PROTRUSION); + cairo_line_to (cr, SIZE/2-PROTRUSION, SIZE-LINE_WIDTH); + cairo_line_to (cr, SIZE/2+PROTRUSION, SIZE-LINE_WIDTH); + cairo_line_to (cr, LINE_WIDTH, SIZE/2-PROTRUSION); + cairo_line_to (cr, LINE_WIDTH, SIZE/2+PROTRUSION); + cairo_line_to (cr, SIZE/2+PROTRUSION, LINE_WIDTH); + cairo_close_path (cr); +} + +static void +draw_joins (cairo_t *cr) +{ + cairo_save (cr); + cairo_translate (cr, PAD, PAD); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + make_path (cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke (cr); + cairo_translate (cr, SIZE + PAD, 0.); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_set_line_width (cr, LINE_WIDTH); + + draw_joins (cr); + + /* and reflect to generate the opposite vertex ordering */ + cairo_translate (cr, 0, height); + cairo_scale (cr, 1, -1); + + draw_joins (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (joins_star, + "A nice and simple concave shape", + "stroke", /* keywords */ + NULL, /* requirements */ + 3*(SIZE+PAD)+PAD, 2*(SIZE+PAD)+PAD, + NULL, draw) + diff --git a/test/joins.c b/test/joins.c new file mode 100644 index 000000000..40ef72e21 --- /dev/null +++ b/test/joins.c @@ -0,0 +1,109 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 12. +#define SIZE (5 * LINE_WIDTH) +#define PAD (2 * LINE_WIDTH) + +static void +make_path (cairo_t *cr) +{ + const struct { + double x, y; + } scales[] = { + { 1, 1 }, + { -1, 1 }, + { 1, -1 }, + { -1, -1 }, + }; + unsigned int i, j; + + for (j = 0; j < ARRAY_LENGTH (scales); j++) { + cairo_save (cr); + /* include reflections to flip the orientation of the join */ + cairo_scale (cr, scales[j].x, scales[j].y); + for (i = 0; i < 3; i++) { + cairo_new_sub_path (cr); + cairo_move_to (cr, 0, -9*LINE_WIDTH/4 - 2); + cairo_line_to (cr, 0, -2*LINE_WIDTH - 2); + cairo_line_to (cr, LINE_WIDTH/4, -2*LINE_WIDTH - 2); + cairo_rotate (cr, M_PI / 4.); + } + cairo_restore (cr); + } +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_line_join_t join; + + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_set_line_width (cr, LINE_WIDTH); + cairo_translate (cr, PAD + SIZE / 2., PAD + SIZE / 2.); + + for (join = CAIRO_LINE_JOIN_MITER; join <= CAIRO_LINE_JOIN_BEVEL; join++) { + cairo_save (cr); + + cairo_set_line_join (cr, join); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + make_path (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0, SIZE + PAD); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + make_path (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0, SIZE + PAD); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + make_path (cr); + cairo_stroke (cr); + + cairo_restore (cr); + + cairo_translate (cr, SIZE + PAD, 0); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (joins, + "Test joins", + "stroke, joins", /* keywords */ + NULL, /* requirements */ + 3 * (PAD + SIZE) + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw) + diff --git a/test/jp2.jp2 b/test/jp2.jp2 Binary files differnew file mode 100644 index 000000000..fe8dd6e54 --- /dev/null +++ b/test/jp2.jp2 diff --git a/test/jpeg.jpg b/test/jpeg.jpg Binary files differnew file mode 100644 index 000000000..a1bac1c81 --- /dev/null +++ b/test/jpeg.jpg diff --git a/test/large-clip.c b/test/large-clip.c new file mode 100644 index 000000000..d2380def5 --- /dev/null +++ b/test/large-clip.c @@ -0,0 +1,50 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Soren Sandmann <sandmann@redhat.com> + */ + +#include "cairo-test.h" + +#define SIZE 100 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_rectangle (cr, 0, 0, 65536 + 25, 65536 + 25); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (large_clip, + "Incorrect clipping when the clip rectangle doesn't fit in 16 bits signed", + "clip, stress", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/large-font.c b/test/large-font.c new file mode 100644 index 000000000..0a139441c --- /dev/null +++ b/test/large-font.c @@ -0,0 +1,73 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Bug history: + * + * 2008-05-23: Caolan McNamara noticed a bug in OpenOffice.org where, + * when using a very large font, space would be left for a + * glyph but it would actually be rendered in the wrong + * place. He wrote a minimal test case and posted the bug + * here: + * + * corrupt glyph positions with large font + * https://bugzilla.redhat.com/show_bug.cgi?id=448104 + * + * 2008-05-23: Carl Worth wrote this test for the cairo test suite to + * exercise the bug. + */ + +#include "cairo-test.h" + +#define WIDTH 800 +#define HEIGHT 800 +#define TEXT_SIZE 10000 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* paint white so we don't need separate ref images for + * RGB24 and ARGB32 */ + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_move_to (cr, -TEXT_SIZE / 2, TEXT_SIZE / 2); + cairo_show_text (cr, "xW"); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (large_font, + "Draws a very large font to exercise a glyph-positioning bug", + "stress, font", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/large-source-roi.c b/test/large-source-roi.c new file mode 100644 index 000000000..dfd3554d7 --- /dev/null +++ b/test/large-source-roi.c @@ -0,0 +1,78 @@ +/* + * Copyright © 2009 Joonas Pihlaja + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include "cairo-test.h" + +/* This test attempts to trigger failures in those clone_similar + * backend methods that have size restrictions. */ + +static cairo_surface_t * +create_large_source (int width, int height) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1,0,0); /* red */ + cairo_paint (cr); + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *source; + /* Since 1cc750ed92a936d84b47cac696aaffd226e1c02e pixman will not + * paint on the source surface if source_width > 30582. */ + double source_width = 30000.0; + + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + + /* Create an excessively wide source image, all red. */ + source = create_large_source (source_width, height); + + /* Set a transform so that the source is scaled down to fit in the + * destination horizontally and then paint the entire source to + * the context. */ + cairo_scale (cr, width/source_width, 1.0); + cairo_set_source_surface (cr, source, 0, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + + cairo_surface_destroy (source); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (large_source_roi, + "Uses a all of a large source image.", + "stress, source", /* keywords */ + NULL, /* requirements */ + 7, 7, + NULL, draw) diff --git a/test/large-source.c b/test/large-source.c new file mode 100644 index 000000000..2b6b84fb4 --- /dev/null +++ b/test/large-source.c @@ -0,0 +1,100 @@ +/* + * Copyright © Chris Wilson, 2008 + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* This is a test case for the following bug: + * + * crafted gif file will crash firefox + * [XError: 'BadAlloc (insufficient resources for operation)'] + * https://bugzilla.mozilla.org/show_bug.cgi?id=424333 + */ + +#ifdef WORDS_BIGENDIAN +#define RED_MASK 0xA0 +#define GREEN_MASK 0xA +#else +#define RED_MASK 0x5 +#define GREEN_MASK 0x50 +#endif + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + unsigned char *data; + + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_paint (cr); + + surface = cairo_image_surface_create (CAIRO_FORMAT_A1, 32000, 20); + data = cairo_image_surface_get_data (surface); + if (data != NULL) { + int stride = cairo_image_surface_get_stride (surface); + int width = cairo_image_surface_get_width (surface); + int height = cairo_image_surface_get_height (surface); + int x, y; + + for (y = 0; y < height; y++) { + for (x = 0; x < (width + 7) / 8; x++) + data[x] = RED_MASK; + data += stride; + } + cairo_surface_mark_dirty (surface); + } + + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + cairo_mask_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + + surface = cairo_image_surface_create (CAIRO_FORMAT_A1, 20, 32000); + data = cairo_image_surface_get_data (surface); + if (data != NULL) { + int stride = cairo_image_surface_get_stride (surface); + int width = cairo_image_surface_get_width (surface); + int height = cairo_image_surface_get_height (surface); + int x, y; + + for (y = 0; y < height; y++) { + for (x = 0; x < (width + 7) / 8; x++) + data[x] = GREEN_MASK; + data += stride; + } + cairo_surface_mark_dirty (surface); + } + + cairo_set_source_rgb (cr, 0, 1, 0); /* green */ + cairo_mask_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (large_source, + "Exercises mozilla bug 424333 - handling of massive images", + "stress, source", /* keywords */ + NULL, /* requirements */ + 20, 20, + NULL, draw) diff --git a/test/large-twin-antialias-mixed.c b/test/large-twin-antialias-mixed.c new file mode 100644 index 000000000..9626a9dd2 --- /dev/null +++ b/test/large-twin-antialias-mixed.c @@ -0,0 +1,97 @@ +/* + * Copyright 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_scaled_font_t * +create_twin (cairo_t *cr, cairo_antialias_t antialias) +{ + cairo_font_options_t *options; + + cairo_select_font_face (cr, + "@cairo:", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + options = cairo_font_options_create (); + cairo_font_options_set_antialias (options, antialias); + cairo_set_font_options (cr, options); + cairo_font_options_destroy (options); + + return cairo_scaled_font_reference (cairo_get_scaled_font (cr)); +} + + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_scaled_font_t *subpixel, *gray, *none; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_set_font_size (cr, 64); + subpixel = create_twin (cr, CAIRO_ANTIALIAS_SUBPIXEL); + gray = create_twin (cr, CAIRO_ANTIALIAS_GRAY); + none = create_twin (cr, CAIRO_ANTIALIAS_NONE); + + cairo_move_to (cr, 4, 64); + cairo_set_scaled_font (cr, subpixel); + cairo_show_text (cr, "Is cairo's"); + cairo_set_scaled_font (cr, gray); + cairo_show_text (cr, " twin"); + cairo_set_scaled_font (cr, none); + cairo_show_text (cr, " giza?"); + + cairo_move_to (cr, 4, 128+16); + cairo_set_scaled_font (cr, gray); + cairo_show_text (cr, "Is cairo's"); + cairo_set_scaled_font (cr, none); + cairo_show_text (cr, " twin"); + cairo_set_scaled_font (cr, subpixel); + cairo_show_text (cr, " giza?"); + + cairo_move_to (cr, 4, 192+32); + cairo_set_scaled_font (cr, none); + cairo_show_text (cr, "Is cairo's"); + cairo_set_scaled_font (cr, gray); + cairo_show_text (cr, " twin"); + cairo_set_scaled_font (cr, subpixel); + cairo_show_text (cr, " giza?"); + + cairo_scaled_font_destroy (none); + cairo_scaled_font_destroy (gray); + cairo_scaled_font_destroy (subpixel); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (large_twin_antialias_mixed, + "Tests the internal font (with intermixed antialiasing)", + "twin, font", /* keywords */ + "target=raster", /* requirements */ + 524, 240, + NULL, draw) diff --git a/test/leaky-dash.c b/test/leaky-dash.c new file mode 100644 index 000000000..12e91ac1d --- /dev/null +++ b/test/leaky-dash.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Test case for bug #4863: + * + * stroking problems with wide dashed lines + * https://bugs.freedesktop.org/show_bug.cgi?id=4863 + */ + +#include "cairo-test.h" + +#define WIDTH 71 +#define HEIGHT 28 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dash[2]; + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + cairo_set_line_width (cr, 2); + dash[0] = 8.0; + dash[1] = 2.0; + + cairo_rectangle (cr, 2.0, 2.0, 67.0, 24.0); + + cairo_set_dash (cr, dash, 2, 9.0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (leaky_dash, + "Exercises bug #4863 in which a dashed stroke leaks into half the rectangle being filled" + "\nknown bug (#4863) which has existed since the 1.0 release", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/leaky-dashed-rectangle.c b/test/leaky-dashed-rectangle.c new file mode 100644 index 000000000..25f5674e9 --- /dev/null +++ b/test/leaky-dashed-rectangle.c @@ -0,0 +1,86 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + * Franz Schmid <Franz.Schmid@altmuehlnet.de> + */ + +/* Test case for bug reported by Franz Schmid <Franz.Schmid@altmuehlnet.de> + * http://lists.cairographics.org/archives/cairo/2008-April/013912.html + * + * See also: http://bugs.freedesktop.org/show_bug.cgi?id=17177 + */ + +#include "cairo-test.h" + +#define WIDTH 60 +#define HEIGHT 60 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const double dash[2] = {4, 2}; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0., 0., 0); + + cairo_translate (cr, 0.5, .5); + cairo_set_line_width (cr, 1); /* This is vital to reproduce the bug. */ + + /* First check simple rectangles */ + cairo_set_source_rgb (cr, 0., 0., 0); + cairo_rectangle (cr, -WIDTH/4, -HEIGHT/4, WIDTH, HEIGHT); + cairo_stroke (cr); + cairo_rectangle (cr, WIDTH+WIDTH/4, -HEIGHT/4, -WIDTH, HEIGHT); + cairo_stroke (cr); + cairo_rectangle (cr, -WIDTH/4, HEIGHT+HEIGHT/4, WIDTH, -HEIGHT); + cairo_stroke (cr); + cairo_rectangle (cr, WIDTH+WIDTH/4, HEIGHT+HEIGHT/4, -WIDTH, -HEIGHT); + cairo_stroke (cr); + + cairo_set_dash (cr, dash, 2, 0); + + /* And now dashed. */ + cairo_set_source_rgb (cr, 1., 0., 0); + cairo_rectangle (cr, -WIDTH/4, -HEIGHT/4, WIDTH, HEIGHT); + cairo_stroke (cr); + cairo_set_source_rgb (cr, 0., 1., 0); + cairo_rectangle (cr, WIDTH+WIDTH/4, -HEIGHT/4, -WIDTH, HEIGHT); + cairo_stroke (cr); + cairo_set_source_rgb (cr, 0., 0., 1); + cairo_rectangle (cr, -WIDTH/4, HEIGHT+HEIGHT/4, WIDTH, -HEIGHT); + cairo_stroke (cr); + cairo_set_source_rgb (cr, 1., 1., 0); + cairo_rectangle (cr, WIDTH+WIDTH/4, HEIGHT+HEIGHT/4, -WIDTH, -HEIGHT); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (leaky_dashed_rectangle, + "Exercises bug in which a dashed stroke leaks in from outside the surface", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/leaky-dashed-stroke.c b/test/leaky-dashed-stroke.c new file mode 100644 index 000000000..457d7ce70 --- /dev/null +++ b/test/leaky-dashed-stroke.c @@ -0,0 +1,166 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* Extracted from a test case reported by Jeff Muizelaar found whilst running + * firefox http://people.mozilla.com/~jmuizelaar/BerlinDistricts-check.svg + */ + +#include "cairo-test.h" + +#define WIDTH 205 +#define HEIGHT 260 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const double dash[2] = {.5, .5}; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1., 0., 0); + + /* By adjusting the miter limit, we can see variations on the artifact. + * cairo_set_miter_limit (cr, 4.); + */ + + cairo_translate (cr, -720, -484); + cairo_scale (cr, 2.5, 2.5); + + cairo_set_dash (cr, dash, 2, 0); + + cairo_move_to (cr, 293.622, 330); + cairo_line_to (cr, 293.703, 337.028); + cairo_line_to (cr, 297.45, 336.851); + cairo_line_to (cr, 308.88, 342.609); + cairo_line_to (cr, 309.736, 346.107); + cairo_line_to (cr, 312.972, 348.128); + cairo_line_to (cr, 312.977, 353.478); + cairo_line_to (cr, 322.486, 359.355); + cairo_line_to (cr, 320.831, 363.642); + cairo_line_to (cr, 315.175, 367.171); + cairo_line_to (cr, 308.987, 365.715); + cairo_line_to (cr, 301.3, 365.964); + cairo_line_to (cr, 304.712, 368.852); + cairo_line_to (cr, 305.349, 373.022); + cairo_line_to (cr, 303.211, 376.551); + cairo_line_to (cr, 304.915, 382.855); + cairo_line_to (cr, 323.715, 400.475); + cairo_line_to (cr, 355.323, 424.072); + cairo_line_to (cr, 443.078, 426.534); + cairo_line_to (cr, 455.26, 400.603); + cairo_line_to (cr, 471.924, 392.604); + cairo_line_to (cr, 478.556, 390.797); + cairo_line_to (cr, 477.715, 386); + cairo_line_to (cr, 456.807, 376.507); + cairo_line_to (cr, 449.134, 368.722); + cairo_line_to (cr, 449.147, 365.847); + cairo_line_to (cr, 439.981, 361.692); + cairo_line_to (cr, 439.994, 358.603); + cairo_line_to (cr, 454.645, 336.128); + cairo_line_to (cr, 434.995, 324.005); + cairo_line_to (cr, 423.884, 319.354); + cairo_line_to (cr, 421.098, 312.569); + cairo_line_to (cr, 424.291, 305.997); + cairo_line_to (cr, 431.308, 305.069); + cairo_line_to (cr, 437.257, 296.882); + cairo_line_to (cr, 448.544, 296.808); + cairo_line_to (cr, 452.113, 290.651); + cairo_line_to (cr, 448.469, 285.483); + cairo_line_to (cr, 442.903, 282.877); + cairo_line_to (cr, 447.798, 281.124); + cairo_line_to (cr, 454.622, 274.911); + cairo_line_to (cr, 449.491, 269.978); + cairo_line_to (cr, 443.666, 253.148); + cairo_line_to (cr, 445.741, 250.834); + cairo_line_to (cr, 441.87, 247.131); + cairo_line_to (cr, 436.932, 246.203); + cairo_line_to (cr, 430.5, 251.252); + cairo_line_to (cr, 427.483, 250.751); + cairo_line_to (cr, 427.26, 253.572); + cairo_line_to (cr, 423.621, 255.539); + cairo_line_to (cr, 423.824, 257.933); + cairo_line_to (cr, 425.239, 259.582); + cairo_line_to (cr, 422.385, 261.443); + cairo_line_to (cr, 421.665, 260.53); + cairo_line_to (cr, 419.238, 262.819); + cairo_line_to (cr, 418.731, 257.849); + cairo_line_to (cr, 419.72, 255.227); + cairo_line_to (cr, 418.786, 250.258); + cairo_line_to (cr, 405.685, 235.254); + cairo_line_to (cr, 427.167, 215.127); + cairo_line_to (cr, 413.852, 196.281); + cairo_line_to (cr, 420.177, 192.379); + cairo_line_to (cr, 419.885, 185.701); + cairo_line_to (cr, 413.401, 185.428); + cairo_line_to (cr, 407.985, 186.863); + cairo_line_to (cr, 397.11, 189.112); + cairo_line_to (cr, 390.505, 186.664); + cairo_line_to (cr, 388.527, 183.694); + cairo_line_to (cr, 336.503, 221.048); + cairo_line_to (cr, 367.028, 241.656); + cairo_line_to (cr, 365.103, 244.117); + cairo_line_to (cr, 364.886, 246.792); + cairo_line_to (cr, 361.467, 247.119); + cairo_line_to (cr, 360.396, 245.525); + cairo_line_to (cr, 356.336, 245.638); + cairo_line_to (cr, 353.344, 242.122); + cairo_line_to (cr, 347.149, 242.876); + cairo_line_to (cr, 341.809, 256.652); + cairo_line_to (cr, 342.232, 268.72); + cairo_line_to (cr, 329.579, 269.095); + cairo_line_to (cr, 327.001, 271.009); + cairo_line_to (cr, 325.579, 275.598); + cairo_line_to (cr, 318.941, 277.313); + cairo_line_to (cr, 306.048, 277.231); + cairo_line_to (cr, 304.071, 276.27); + cairo_line_to (cr, 301.153, 277.175); + cairo_line_to (cr, 293.52, 277.529); + cairo_line_to (cr, 290.682, 281.947); + cairo_line_to (cr, 293.911, 286.63); + cairo_line_to (cr, 302.417, 290.547); + cairo_line_to (cr, 303.521, 294.73); + cairo_line_to (cr, 307.787, 298.088); + cairo_line_to (cr, 311.718, 299.126); + cairo_line_to (cr, 313.255, 302.146); + cairo_line_to (cr, 314.6, 306.206); + cairo_line_to (cr, 322.603, 308.96); + cairo_line_to (cr, 321.718, 314.477); + cairo_line_to (cr, 319.596, 320.341); + cairo_line_to (cr, 300.689, 323.69); + cairo_line_to (cr, 301.232, 326.789); + cairo_line_to (cr, 293.622, 330); + cairo_close_path (cr); + + cairo_stroke (cr); + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (leaky_dashed_stroke, + "Exercises bug in which a dashed stroke leaks in from outside the surface", + "dash, stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/leaky-polygon.c b/test/leaky-polygon.c new file mode 100644 index 000000000..0ea7094c9 --- /dev/null +++ b/test/leaky-polygon.c @@ -0,0 +1,85 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Bug history + * + * 2005-01-07 Carl Worth <cworth@cworth.org> + * + * Bug reported: + * + * From: Chris <fltk@functionalfuture.com> + * Subject: [cairo] Render to image buffer artifacts + * To: cairo@cairographics.org + * Date: Fri, 07 Jan 2005 02:22:28 -0500 + * + * I've attached the code and image that shows this off. Scaling at + * different levels seems to change the corruption. + * + * For some reason there are artifacts in the alpha channel. I don't know + * if that's the only place, but the alpha channel looks bad. + * + * If you run the code and parse the attached image, directing stdout to a + * file, you can see in the lower left corner there are alpha values where + * it should be transparent. + * [...] + * + * 2005-01-11 Carl Worth <cworth@cworth.org> + * + * I trimmed the original test case down to the code that appears here. + * + */ + +#include "cairo-test.h" + +#define WIDTH 21 +#define HEIGHT 21 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_scale (cr, 1.0/(1<<16), 1.0/(1<<16)); + + cairo_move_to (cr, 131072,39321); + cairo_line_to (cr, 1103072,1288088); + cairo_line_to (cr, 1179648,1294990); + cairo_close_path (cr); + + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (leaky_polygon, + "Exercises a corner case in the trapezoid rasterization in which pixels outside the trapezoids received a non-zero alpha", + "fill, trap", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/line-width-large-overlap.c b/test/line-width-large-overlap.c new file mode 100644 index 000000000..767734f6b --- /dev/null +++ b/test/line-width-large-overlap.c @@ -0,0 +1,149 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@redhat.com> + */ + +/* + * Test case taken from the WebKit test suite, failure originally reported + * by Zan Dobersek <zandobersek@gmail.com>. WebKit test is + * LayoutTests/canvas/philip/tests/2d.path.rect.selfintersect.html + */ + +#include "cairo-test.h" + +#include <math.h> + +#define LINE_WIDTH 120 +#define SIZE 100 +#define RECT_SIZE 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* fill with green so RGB and RGBA tests can share the ref image */ + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint (cr); + + /* red to see eventual bugs immediately */ + cairo_set_source_rgb (cr, 1, 0, 0); + + /* big line width */ + cairo_set_line_width (cr, LINE_WIDTH); + + /* rectangle that is smaller than the line width in center of image */ + cairo_rectangle (cr, + (SIZE - RECT_SIZE) / 2, + (SIZE - RECT_SIZE) / 2, + RECT_SIZE, + RECT_SIZE); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +/* and again slightly offset to trigger another path */ +static cairo_test_status_t +draw_offset (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, .5, .5); + return draw (cr, width, height); +} + +static cairo_test_status_t +draw_rotated (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, SIZE/2, SIZE/2); + cairo_rotate (cr, M_PI/4); + cairo_translate (cr, -SIZE/2, -SIZE/2); + + return draw (cr, width, height); +} + +static cairo_test_status_t +draw_flipped (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, SIZE/2, SIZE/2); + cairo_scale (cr, -1, 1); + cairo_translate (cr, -SIZE/2, -SIZE/2); + + return draw (cr, width, height); +} + +static cairo_test_status_t +draw_flopped (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, SIZE/2, SIZE/2); + cairo_scale (cr, 1, -1); + cairo_translate (cr, -SIZE/2, -SIZE/2); + + return draw (cr, width, height); +} + +static cairo_test_status_t +draw_dashed (cairo_t *cr, int width, int height) +{ + const double dashes[] = { 4 }; + cairo_set_dash (cr, dashes, 1, 0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + return draw (cr, width, height); +} + +CAIRO_TEST (line_width_large_overlap, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) +CAIRO_TEST (line_width_large_overlap_offset, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_offset) +CAIRO_TEST (line_width_large_overlap_rotated, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_rotated) +CAIRO_TEST (line_width_large_overlap_flipped, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_flipped) +CAIRO_TEST (line_width_large_overlap_flopped, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_flopped) +CAIRO_TEST (line_width_large_overlap_dashed, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_dashed) diff --git a/test/line-width-overlap.c b/test/line-width-overlap.c new file mode 100644 index 000000000..ac8c23479 --- /dev/null +++ b/test/line-width-overlap.c @@ -0,0 +1,149 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@redhat.com> + */ + +/* + * Test case taken from the WebKit test suite, failure originally reported + * by Zan Dobersek <zandobersek@gmail.com>. WebKit test is + * LayoutTests/canvas/philip/tests/2d.path.rect.selfintersect.html + */ + +#include "cairo-test.h" + +#include <math.h> + +#define LINE_WIDTH 60 +#define SIZE 100 +#define RECT_SIZE 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* fill with green so RGB and RGBA tests can share the ref image */ + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint (cr); + + /* red to see eventual bugs immediately */ + cairo_set_source_rgb (cr, 1, 0, 0); + + /* big line width */ + cairo_set_line_width (cr, LINE_WIDTH); + + /* rectangle that is smaller than the line width in center of image */ + cairo_rectangle (cr, + (SIZE - RECT_SIZE) / 2, + (SIZE - RECT_SIZE) / 2, + RECT_SIZE, + RECT_SIZE); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +/* and again slightly offset to trigger another path */ +static cairo_test_status_t +draw_offset (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, .5, .5); + return draw (cr, width, height); +} + +static cairo_test_status_t +draw_rotated (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, SIZE/2, SIZE/2); + cairo_rotate (cr, M_PI/4); + cairo_translate (cr, -SIZE/2, -SIZE/2); + + return draw (cr, width, height); +} + +static cairo_test_status_t +draw_flipped (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, SIZE/2, SIZE/2); + cairo_scale (cr, -1, 1); + cairo_translate (cr, -SIZE/2, -SIZE/2); + + return draw (cr, width, height); +} + +static cairo_test_status_t +draw_flopped (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, SIZE/2, SIZE/2); + cairo_scale (cr, 1, -1); + cairo_translate (cr, -SIZE/2, -SIZE/2); + + return draw (cr, width, height); +} + +static cairo_test_status_t +draw_dashed (cairo_t *cr, int width, int height) +{ + const double dashes[] = { 4 }; + cairo_set_dash (cr, dashes, 1, 0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + return draw (cr, width, height); +} + +CAIRO_TEST (line_width_overlap, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) +CAIRO_TEST (line_width_overlap_offset, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_offset) +CAIRO_TEST (line_width_overlap_rotated, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_rotated) +CAIRO_TEST (line_width_overlap_flipped, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_flipped) +CAIRO_TEST (line_width_overlap_flopped, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_flopped) +CAIRO_TEST (line_width_overlap_dashed, + "Test overlapping lines due to large line width", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_dashed) diff --git a/test/line-width-scale.c b/test/line-width-scale.c new file mode 100644 index 000000000..037b887fd --- /dev/null +++ b/test/line-width-scale.c @@ -0,0 +1,178 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +/* This test exercises the various interactions between + * cairo_set_line_width and cairo_scale. Specifically it shows how + * separate transformations can affect the pen for stroking compared + * to the path itself. + * + * This was inspired by an image by Maxim Shemanarev demonstrating the + * flexible-pipeline nature of his Antigrain Geometry project: + * + * http://antigrain.com/tips/line_alignment/conv_order.gif + * + * It also uncovered some behavior in cairo that I found surprising. + * Namely, cairo_set_line_width was not transforming the width + * according the the current CTM, but instead delaying that + * transformation until the time of cairo_stroke. + * + * This delayed behavior was released in cairo 1.0 so we're going to + * document this as the way cairo_set_line_width works rather than + * considering this a bug. + */ + +#define LINE_WIDTH 13 +#define SPLINE 50.0 +#define XSCALE 0.5 +#define YSCALE 2.0 +#define WIDTH (XSCALE * SPLINE * 6.0) +#define HEIGHT (YSCALE * SPLINE * 2.0) + +static void +spline_path (cairo_t *cr) +{ + cairo_save (cr); + { + cairo_move_to (cr, + - SPLINE, 0); + cairo_curve_to (cr, + - SPLINE / 4, - SPLINE, + SPLINE / 4, SPLINE, + SPLINE, 0); + } + cairo_restore (cr); +} + +/* If we scale before setting the line width or creating the path, + * then obviously both will be scaled. */ +static void +scale_then_set_line_width_and_stroke (cairo_t *cr) +{ + cairo_scale (cr, XSCALE, YSCALE); + cairo_set_line_width (cr, LINE_WIDTH); + spline_path (cr); + cairo_stroke (cr); +} + +/* This is used to verify the results of + * scale_then_set_line_width_and_stroke. + * + * It uses save/restore pairs to isolate the scaling of the path and + * line_width and ensures that both are scaled. + */ +static void +scale_path_and_line_width (cairo_t *cr) +{ + cairo_save (cr); + { + cairo_scale (cr, XSCALE, YSCALE); + spline_path (cr); + } + cairo_restore (cr); + + cairo_save (cr); + { + cairo_scale (cr, XSCALE, YSCALE); + cairo_set_line_width (cr, LINE_WIDTH); + cairo_stroke (cr); + } + cairo_restore (cr); +} + +/* This is the case that was surprising. + * + * Setting the line width before scaling doesn't change anything. The + * line width will be interpreted under the CTM in effect at the time + * of cairo_stroke, so the line width will be scaled as well as the + * path here. + */ +static void +set_line_width_then_scale_and_stroke (cairo_t *cr) +{ + cairo_set_line_width (cr, LINE_WIDTH); + cairo_scale (cr, XSCALE, YSCALE); + spline_path (cr); + cairo_stroke (cr); +} + +/* Here then is the way to achieve the alternate result. + * + * This uses save/restore pairs to isolate the scaling of the path and + * line_width and ensures that the path is scaled while the line width + * is not. + */ +static void +scale_path_not_line_width (cairo_t *cr) +{ + cairo_save (cr); + { + cairo_scale (cr, XSCALE, YSCALE); + spline_path (cr); + } + cairo_restore (cr); + + cairo_save (cr); + { + cairo_set_line_width (cr, LINE_WIDTH); + cairo_stroke (cr); + } + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + void (* const figures[4]) (cairo_t *cr) = { + scale_then_set_line_width_and_stroke, + scale_path_and_line_width, + set_line_width_then_scale_and_stroke, + scale_path_not_line_width + }; + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + for (i = 0; i < 4; i++) { + cairo_save (cr); + cairo_translate (cr, + WIDTH/4 + (i % 2) * WIDTH/2, + HEIGHT/4 + (i / 2) * HEIGHT/2); + (figures[i]) (cr); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (line_width_scale, + "Tests interaction of cairo_set_line_width with cairo_scale", + "stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/line-width-tolerance.c b/test/line-width-tolerance.c new file mode 100644 index 000000000..5a581ca11 --- /dev/null +++ b/test/line-width-tolerance.c @@ -0,0 +1,66 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@redhat.com> + */ + +/* + * Test case taken from the WebKit test suite, failure originally reported + * by Zan Dobersek <zandobersek@gmail.com> at + * https://bugs.webkit.org/show_bug.cgi?id=54471 + */ + +#include "cairo-test.h" + +#include <math.h> + +#define RADIUS 50 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* fill with green so RGB and RGBA tests can share the ref image */ + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint (cr); + + /* red to see eventual bugs immediately */ + cairo_set_source_rgb (cr, 1, 0, 0); + + /* stroke 3/4 of a circle where the last quarter would be this + * reference image. Keep just a 1 pixel border. Use a huge line + * width (twice the circle's radius to get it filled completely). + */ + cairo_set_line_width (cr, 2 * RADIUS); + cairo_arc (cr, 1, RADIUS - 1, RADIUS, 0, - M_PI / 2.0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (line_width_tolerance, + "Test interaction of line width and tolerance when stroking arcs", + "stroke", /* keywords */ + NULL, /* requirements */ + RADIUS, RADIUS, + NULL, draw) diff --git a/test/line-width-zero.c b/test/line-width-zero.c new file mode 100644 index 000000000..c7ac8a0fd --- /dev/null +++ b/test/line-width-zero.c @@ -0,0 +1,71 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +/* This is a test case for the following bug: + * + * Crash in cairo_stroke_extents whe line width is 0 and line cap is ROUND + * (_cairo_pen_find_active_cw_vertex_index) + * https://bugs.freedesktop.org/show_bug.cgi?id=10231 + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double x1, y1, x2, y2; + + cairo_move_to (cr, 0.0, 0.0); + cairo_line_to (cr, 100.0, 100.0); + cairo_set_line_width (cr, 0.0); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_stroke_extents (cr, &x1, &y1, &x2, &y2); + cairo_in_stroke (cr, 50, 50); + cairo_stroke_preserve (cr); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_stroke_extents (cr, &x1, &y1, &x2, &y2); + cairo_in_stroke (cr, 50, 50); + cairo_stroke_preserve (cr); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_stroke_extents (cr, &x1, &y1, &x2, &y2); + cairo_in_stroke (cr, 50, 50); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (line_width_zero, + "Test all stroke operations and all cap,join styles with line width of zero", + "stroke", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/line-width.c b/test/line-width.c new file mode 100644 index 000000000..315ebc393 --- /dev/null +++ b/test/line-width.c @@ -0,0 +1,77 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define LINES 5 +#define LINE_LENGTH 10 +#define IMAGE_WIDTH 2 * LINE_LENGTH + 6 +#define IMAGE_HEIGHT ((LINES+4)*LINES)/2 + 2 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + + /* We draw in black, so paint white first. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_translate (cr, 2, 2); + + for (i=0; i < LINES; i++) { + cairo_set_line_width (cr, i+1); + cairo_move_to (cr, 0, 0); + cairo_rel_line_to (cr, LINE_LENGTH, 0); + cairo_stroke (cr); + cairo_move_to (cr, LINE_LENGTH + 2, 0.5); + cairo_rel_line_to (cr, LINE_LENGTH, 0); + cairo_stroke (cr); + cairo_translate (cr, 0, i+3); + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_a1 (cairo_t *cr, int width, int height) +{ + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + return draw (cr, width, height); +} + +CAIRO_TEST (line_width, + "Tests cairo_set_line_width", + "stroke", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) +CAIRO_TEST (a1_line_width, + "Tests cairo_set_line_width", + "stroke", /* keywords */ + "target=raster", /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw_a1) diff --git a/test/linear-gradient-extend.c b/test/linear-gradient-extend.c new file mode 100644 index 000000000..b1328b425 --- /dev/null +++ b/test/linear-gradient-extend.c @@ -0,0 +1,92 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define NUM_EXTEND 4 +#define HEIGHT 16 +#define WIDTH 16 +#define PAD 3 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + unsigned int i, j; + + cairo_extend_t extend[NUM_EXTEND] = { + CAIRO_EXTEND_NONE, + CAIRO_EXTEND_REPEAT, + CAIRO_EXTEND_REFLECT, + CAIRO_EXTEND_PAD + }; + + cairo_test_paint_checkered (cr); + + pattern = cairo_pattern_create_linear (0, 2*PAD, 0, HEIGHT - 2*PAD); + + cairo_pattern_add_color_stop_rgb (pattern, 0, 0, 0, 1); + cairo_pattern_add_color_stop_rgb (pattern, 1, 0, 0, 1); + + cairo_translate (cr, PAD, PAD); + + for (i = 0; i < 2; i++) { + cairo_save (cr); + + for (j = 0; j < NUM_EXTEND; j++) { + cairo_pattern_set_extend (pattern, extend[j]); + + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + if (i & 1) { + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_mask (cr, pattern); + } else { + cairo_set_source (cr, pattern); + cairo_paint (cr); + } + + cairo_translate (cr, WIDTH+PAD, 0); + } + + cairo_restore (cr); + cairo_translate (cr, 0, HEIGHT+PAD); + } + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (linear_gradient_extend, + "Tests gradient to solid reduction of linear gradients", + "linear, pattern, extend", /* keywords */ + NULL, /* requirements */ + (WIDTH+PAD) * NUM_EXTEND + PAD, 2*(HEIGHT + PAD) + PAD, + NULL, draw) diff --git a/test/linear-gradient-large.c b/test/linear-gradient-large.c new file mode 100644 index 000000000..5646aa485 --- /dev/null +++ b/test/linear-gradient-large.c @@ -0,0 +1,68 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Krzysztof Kosiński + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Krzysztof Kosiński <tweenk.pl@gmail.com> + */ + +#include "cairo-test.h" + +/* originally reported in https://bugs.freedesktop.org/show_bug.cgi?id=29470 */ + +#define OFFSET 50 +#define SIZE 1000 + +static void mark_point(cairo_t *ct, double x, double y) +{ + cairo_rectangle(ct, x-2, y-2, 4, 4); + cairo_set_source_rgb(ct, 1,0,0); + cairo_fill(ct); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *gr = cairo_pattern_create_linear (SIZE - OFFSET, OFFSET, + OFFSET, SIZE - OFFSET); + + cairo_pattern_add_color_stop_rgb (gr, 0.0, 1, 1, 1); + cairo_pattern_add_color_stop_rgb (gr, 0.0, 0, 0, 0); + cairo_pattern_add_color_stop_rgb (gr, 1.0, 0, 0, 0); + cairo_pattern_add_color_stop_rgb (gr, 1.0, 1, 1, 1); + + cairo_set_source (cr, gr); + cairo_pattern_destroy (gr); + cairo_paint (cr); + + mark_point(cr, SIZE - OFFSET, OFFSET); + mark_point(cr, OFFSET, SIZE - OFFSET); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (linear_gradient_large, + "Tests that large linear gradients get rendered at the correct place", + "linear, pattern", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/linear-gradient-one-stop.c b/test/linear-gradient-one-stop.c new file mode 100644 index 000000000..09c4b9d23 --- /dev/null +++ b/test/linear-gradient-one-stop.c @@ -0,0 +1,90 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define NUM_EXTEND 4 +#define HEIGHT 16 +#define WIDTH 16 +#define PAD 3 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + unsigned int i, j; + + cairo_extend_t extend[NUM_EXTEND] = { + CAIRO_EXTEND_NONE, + CAIRO_EXTEND_REPEAT, + CAIRO_EXTEND_REFLECT, + CAIRO_EXTEND_PAD + }; + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + + cairo_translate (cr, PAD, PAD); + + for (i = 0; i < 3; i++) { + cairo_save (cr); + + for (j = 0; j < NUM_EXTEND; j++) { + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + if (i == 0) + pattern = cairo_pattern_create_linear (0, 2*PAD, 0, HEIGHT - 2*PAD); + else if (i == 1) + pattern = cairo_pattern_create_linear (2*PAD, 2*PAD, HEIGHT - 2*PAD, HEIGHT - 2*PAD); + else if (i == 2) + pattern = cairo_pattern_create_linear (2*PAD, 0, HEIGHT - 2*PAD, 0); + + cairo_pattern_add_color_stop_rgb (pattern, 0.25, 0, 0, 1); + cairo_pattern_set_extend (pattern, extend[j]); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + + cairo_pattern_destroy (pattern); + + cairo_translate (cr, WIDTH+PAD, 0); + } + + cairo_restore (cr); + cairo_translate (cr, 0, HEIGHT+PAD); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (linear_gradient_one_stop, + "Tests linear gradients with a single stop", + "gradient,linear,", /* keywords */ + NULL, /* requirements */ + (WIDTH+PAD) * NUM_EXTEND + PAD, 3*(HEIGHT + PAD) + PAD, + NULL, draw) diff --git a/test/linear-gradient-reflect.c b/test/linear-gradient-reflect.c new file mode 100644 index 000000000..8adb58784 --- /dev/null +++ b/test/linear-gradient-reflect.c @@ -0,0 +1,67 @@ +/* + * Copyright © 2007 Tim Rowley + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Tim Rowley + */ + +#include "cairo-test.h" +#include "stdio.h" + +#define WIDTH 50 +#define HEIGHT 50 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + + cairo_save (cr); + + pattern = cairo_pattern_create_linear (0, 0, 10.0, 0); + + cairo_pattern_add_color_stop_rgb (pattern, 0.0, + 0.0, 0.0, 1.0); + cairo_pattern_add_color_stop_rgb (pattern, 1.0, + 1.0, 0.0, 0.0); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REFLECT); + + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + cairo_rectangle (cr, 0.0, 0.0, WIDTH, HEIGHT); + cairo_fill (cr); + + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (linear_gradient_reflect, + "Tests the drawing of linear gradient with reflect", + "gradient", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) + diff --git a/test/linear-gradient-subset.c b/test/linear-gradient-subset.c new file mode 100644 index 000000000..ce05e6ec1 --- /dev/null +++ b/test/linear-gradient-subset.c @@ -0,0 +1,127 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Owen Taylor <otaylor@redhat.com> + */ + +#include "cairo-test.h" +#include "stdio.h" + +/* The test matrix is + * + * A) Horizontal B) 5° C) 45° D) Vertical + * 1) Rotated 0° 2) Rotated 45° C) Rotated 90° + * a) 2 stop b) 3 stop + * + * A1a B1a C1a D1a + * A2a B2a C2a D2a + * A3a B3a C3a D3a + * A1b B1b C1b D1b + * A2b B2b C2b D2b + * A3b B3b C3b D3b + */ + +static const double gradient_angles[] = { 0, 45, 90 }; +#define N_GRADIENT_ANGLES 3 +static const double rotate_angles[] = { 0, 45, 90 }; +#define N_ROTATE_ANGLES 3 +static const int n_stops[] = { 2, 3 }; +#define N_N_STOPS 2 + +#define UNIT_SIZE 6 +#define UNIT_SIZE 6 +#define PAD 1 + +#define WIDTH N_GRADIENT_ANGLES * UNIT_SIZE + (N_GRADIENT_ANGLES + 1) * PAD +#define HEIGHT N_N_STOPS * N_ROTATE_ANGLES * UNIT_SIZE + (N_N_STOPS * N_ROTATE_ANGLES + 1) * PAD + +static void +draw_unit (cairo_t *cr, + double gradient_angle, + double rotate_angle, + int n_stops) +{ + cairo_pattern_t *pattern; + + cairo_rectangle (cr, 0, 0, 1, 1); + cairo_clip (cr); + cairo_new_path(cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_rectangle (cr, 0, 0, 1, 1); + cairo_fill (cr); + + cairo_translate (cr, 0.5, 0.5); + cairo_scale (cr, 1 / 1.5, 1 / 1.5); + cairo_rotate (cr, rotate_angle); + + pattern = cairo_pattern_create_linear (-0.5 * cos (gradient_angle), -0.5 * sin (gradient_angle), + 0.5 * cos (gradient_angle), 0.5 * sin (gradient_angle)); + + if (n_stops == 2) { + cairo_pattern_add_color_stop_rgb (pattern, 0.2, 0.3, 0.3, 0.3); + cairo_pattern_add_color_stop_rgb (pattern, 0.8, 1.0, 1.0, 1.0); + } else { + cairo_pattern_add_color_stop_rgb (pattern, 0.2, 1.0, 0.0, 0.0); + cairo_pattern_add_color_stop_rgb (pattern, 0.5, 1.0, 1.0, 1.0); + cairo_pattern_add_color_stop_rgb (pattern, 0.8, 0.0, 0.0, 1.0); + } + + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + cairo_rectangle (cr, -0.5, -0.5, 1, 1); + cairo_fill (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i, j, k; + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + + for (i = 0; i < N_GRADIENT_ANGLES; i++) + for (j = 0; j < N_ROTATE_ANGLES; j++) + for (k = 0; k < N_N_STOPS; k++) { + cairo_save (cr); + cairo_translate (cr, + PAD + (PAD + UNIT_SIZE) * i, + PAD + (PAD + UNIT_SIZE) * (N_ROTATE_ANGLES * k + j)); + cairo_scale (cr, UNIT_SIZE, UNIT_SIZE); + + draw_unit (cr, + gradient_angles[i] * M_PI / 180., + rotate_angles[j] * M_PI / 180., + n_stops[k]); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (linear_gradient_subset, + "Tests the drawing of linear gradients", + "gradient", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/linear-gradient.c b/test/linear-gradient.c new file mode 100644 index 000000000..054d6abbc --- /dev/null +++ b/test/linear-gradient.c @@ -0,0 +1,132 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Owen Taylor <otaylor@redhat.com> + */ + +#include "cairo-test.h" +#include "stdio.h" + +/* The test matrix is + * + * A) Horizontal B) 5° C) 45° D) Vertical + * 1) Rotated 0° 2) Rotated 45° C) Rotated 90° + * a) 2 stop b) 3 stop + * + * A1a B1a C1a D1a + * A2a B2a C2a D2a + * A3a B3a C3a D3a + * A1b B1b C1b D1b + * A2b B2b C2b D2b + * A3b B3b C3b D3b + */ + +static const double gradient_angles[] = { 0, 45, 90 }; +#define N_GRADIENT_ANGLES 3 +static const double rotate_angles[] = { 0, 45, 90 }; +#define N_ROTATE_ANGLES 3 +static const int n_stops[] = { 2, 3 }; +#define N_N_STOPS 2 + +#define UNIT_SIZE 6 +#define UNIT_SIZE 6 +#define PAD 1 + +#define WIDTH N_GRADIENT_ANGLES * UNIT_SIZE + (N_GRADIENT_ANGLES + 1) * PAD +#define HEIGHT N_N_STOPS * N_ROTATE_ANGLES * UNIT_SIZE + (N_N_STOPS * N_ROTATE_ANGLES + 1) * PAD + +static void +draw_unit (cairo_t *cr, + double gradient_angle, + double rotate_angle, + int n_stops) +{ + cairo_pattern_t *pattern; + + cairo_rectangle (cr, 0, 0, 1, 1); + cairo_clip (cr); + cairo_new_path(cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_rectangle (cr, 0, 0, 1, 1); + cairo_fill (cr); + + cairo_translate (cr, 0.5, 0.5); + cairo_scale (cr, 1 / 1.5, 1 / 1.5); + cairo_rotate (cr, rotate_angle); + + pattern = cairo_pattern_create_linear (-0.5 * cos (gradient_angle), -0.5 * sin (gradient_angle), + 0.5 * cos (gradient_angle), 0.5 * sin (gradient_angle)); + + if (n_stops == 2) { + cairo_pattern_add_color_stop_rgb (pattern, 0., + 0.3, 0.3, 0.3); + cairo_pattern_add_color_stop_rgb (pattern, 1., + 1.0, 1.0, 1.0); + } else { + cairo_pattern_add_color_stop_rgb (pattern, 0., + 1.0, 0.0, 0.0); + cairo_pattern_add_color_stop_rgb (pattern, 0.5, + 1.0, 1.0, 1.0); + cairo_pattern_add_color_stop_rgb (pattern, 1., + 0.0, 0.0, 1.0); + } + + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + cairo_rectangle (cr, -0.5, -0.5, 1, 1); + cairo_fill (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i, j, k; + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + + for (i = 0; i < N_GRADIENT_ANGLES; i++) + for (j = 0; j < N_ROTATE_ANGLES; j++) + for (k = 0; k < N_N_STOPS; k++) { + cairo_save (cr); + cairo_translate (cr, + PAD + (PAD + UNIT_SIZE) * i, + PAD + (PAD + UNIT_SIZE) * (N_ROTATE_ANGLES * k + j)); + cairo_scale (cr, UNIT_SIZE, UNIT_SIZE); + + draw_unit (cr, + gradient_angles[i] * M_PI / 180., + rotate_angles[j] * M_PI / 180., + n_stops[k]); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (linear_gradient, + "Tests the drawing of linear gradients", + "gradient", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/linear-step-function.c b/test/linear-step-function.c new file mode 100644 index 000000000..da7e8ca19 --- /dev/null +++ b/test/linear-step-function.c @@ -0,0 +1,60 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + pattern = cairo_pattern_create_linear (width/2, 0, width/2, 0); + cairo_pattern_add_color_stop_rgb (pattern, 0, 1, 0, 0); + cairo_pattern_add_color_stop_rgb (pattern, 1, 0, 0, 1); + cairo_set_source (cr, pattern); + + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_NONE); /* nothing */ + cairo_rectangle (cr, 0, 0, width, height/2); + cairo_fill (cr); + + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_PAD); /* step */ + cairo_rectangle (cr, 0, height/2, width, height/2); + cairo_fill (cr); + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (linear_step_function, + "Tests creating a step function using a linear gradient", + "gradient, linear", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) diff --git a/test/linear-uniform.c b/test/linear-uniform.c new file mode 100644 index 000000000..2f6553502 --- /dev/null +++ b/test/linear-uniform.c @@ -0,0 +1,63 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + /* with alpha */ + pattern = cairo_pattern_create_linear (0, 0, 0, height); + cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 1, 1, .5); + cairo_pattern_add_color_stop_rgba (pattern, 1, 1, 1, 1, .5); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + cairo_rectangle (cr, 0, 0, width/2, height); + cairo_fill (cr); + + /* without alpha */ + pattern = cairo_pattern_create_linear (0, 0, 0, height); + cairo_pattern_add_color_stop_rgb (pattern, 0, 1, 1, 1); + cairo_pattern_add_color_stop_rgb (pattern, 1, 1, 1, 1); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + cairo_rectangle (cr, width/2, 0, width/2, height); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (linear_uniform, + "Tests handling of \"solid\" linear gradients", + "gradient, linear", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) diff --git a/test/long-dashed-lines.c b/test/long-dashed-lines.c new file mode 100644 index 000000000..4d6ded9a5 --- /dev/null +++ b/test/long-dashed-lines.c @@ -0,0 +1,66 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * the author not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. The author makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE AUTHOR. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + double dashes[] = {6, 3}; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* partially visible rectangle... */ + cairo_rectangle (cr, -0.5, -0.5, 61, 61); + + /* rectangles with intersecting segments... */ + cairo_save (cr); + cairo_translate (cr, 30, 30); + for (i = 0; i < 4; i++) { + cairo_rotate (cr, M_PI / 4); + cairo_rectangle (cr, -37, -15, 74, 30); + } + cairo_restore (cr); + + /* completely invisible rectangle */ + cairo_rectangle (cr, -5, -5, 70, 70); + + cairo_set_dash (cr, dashes, ARRAY_LENGTH (dashes), 0.); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (long_dashed_lines, + "Exercises _cairo_box_intersects_line_segment()", + "dash, stroke, stress", /* keywords */ + NULL, /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/long-lines.c b/test/long-lines.c new file mode 100644 index 000000000..69b64e9c4 --- /dev/null +++ b/test/long-lines.c @@ -0,0 +1,85 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Carl D. Worth <cworth@cworth.org> + * Emmanuel Pacaud <emmanuel.pacaud@lapp.in2p3.fr> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 1. +#define SIZE 10 +#define LINE_NBR 6 + +struct { + double length; + double red, green, blue; +} lines[LINE_NBR] = { + { 100.0, 1.0, 0.0, 0.0 }, + { 10000.0, 0.0, 1.0, 0.0 }, + { 100000.0, 0.0, 0.0, 1.0 }, + { 1000000.0, 1.0, 1.0, 0.0 }, + { 10000000.0, 0.0, 1.0, 1.0 }, + { 100000000.0, 1.0, 0.0, 1.0 } +}; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double pos; + int i; + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_set_line_width (cr, LINE_WIDTH); + + pos = SIZE + .5; + for (i = 0; i < LINE_NBR; i++) { + cairo_move_to (cr, pos, -lines[i].length); + cairo_line_to (cr, pos, +lines[i].length); + cairo_set_source_rgb (cr, lines[i].red, lines[i].green, lines[i].blue); + cairo_stroke (cr); + pos += SIZE; + } + + /* This should display a perfect vertically centered black line */ + cairo_move_to (cr, 0.5, -1e100); + cairo_line_to (cr, pos, 1e100); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +/* XFAIL: range overflow of fixed-point */ +CAIRO_TEST (long_lines, + "Test long lines" + "\nLong lines are not drawn due to the limitations of the internal 16.16 fixed-point coordinates", + "stroke, stress", /* keywords */ + NULL, /* requirements */ + SIZE * (LINE_NBR + 1), SIZE * (LINE_NBR + 1), + NULL, draw) + diff --git a/test/make-cairo-test-constructors.sh b/test/make-cairo-test-constructors.sh new file mode 100644 index 000000000..cb1391e73 --- /dev/null +++ b/test/make-cairo-test-constructors.sh @@ -0,0 +1,29 @@ +#! /bin/sh + +if test $# -eq 0; then + echo "$0: no input files." >&2 + exit 0 +fi + +cat <<HERE +/* WARNING: Autogenerated file - see $0! */ + +#include "cairo-test-private.h" + +void _cairo_test_runner_register_tests (void); + +HERE + +cat "$@" | sed '/^CAIRO_TEST/!d; s/CAIRO_TEST.*(\(.*\),.*/extern void _register_\1 (void);/' +cat <<HERE + +void +_cairo_test_runner_register_tests (void) +{ +HERE + +cat "$@" | sed '/^CAIRO_TEST/!d; s/CAIRO_TEST.*(\(.*\),.*/ _register_\1 ();/' + +echo "}" + + diff --git a/test/map-to-image.c b/test/map-to-image.c new file mode 100644 index 000000000..0262245a8 --- /dev/null +++ b/test/map-to-image.c @@ -0,0 +1,156 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 3 +#define HEIGHT 3 + +/* A single, black pixel */ +static const uint32_t black_pixel_argb = 0xff000000; +static const uint32_t black_pixel = 0x00000000; + +static cairo_bool_t +set_pixel_black(uint8_t *data, int stride, + cairo_format_t format, int x, int y) +{ + switch (format) { + case CAIRO_FORMAT_ARGB32: + case CAIRO_FORMAT_RGB24: + *(uint32_t *)(data + y * stride + 4*x) = black_pixel_argb; + break; + case CAIRO_FORMAT_RGB16_565: + *(uint16_t *)(data + y * stride + 2*x) = black_pixel; + break; + case CAIRO_FORMAT_RGB30: + case CAIRO_FORMAT_A8: + case CAIRO_FORMAT_A1: + case CAIRO_FORMAT_INVALID: + default: + return FALSE; + } + return TRUE; +} + +static cairo_test_status_t +all (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + uint8_t *data; + int stride; + cairo_format_t format; + int i, j; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + surface = cairo_surface_map_to_image (cairo_get_target (cr), NULL); + cairo_surface_flush (surface); + format = cairo_image_surface_get_format (surface); + stride = cairo_image_surface_get_stride (surface); + data = cairo_image_surface_get_data (surface); + if (data) { + for (j = 0; j < HEIGHT; j++) + for (i = 0; i < WIDTH; i++) + if (! set_pixel_black (data, stride, format, i, j)) + return CAIRO_TEST_FAILURE; + } + cairo_surface_mark_dirty (surface); + cairo_surface_unmap_image (cairo_get_target (cr), surface); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +bit (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_rectangle_int_t extents; + cairo_format_t format; + uint8_t *data; + + extents.x = extents.y = extents.width = extents.height = 1; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + surface = cairo_surface_map_to_image (cairo_get_target (cr), &extents); + cairo_surface_flush (surface); + data = cairo_image_surface_get_data (surface); + format = cairo_image_surface_get_format (surface); + if (data) { + if (! set_pixel_black (data, 0, format, 0, 0)) + return CAIRO_TEST_FAILURE; + } + cairo_surface_mark_dirty (surface); + cairo_surface_unmap_image (cairo_get_target (cr), surface); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +fill (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_rectangle_int_t extents; + cairo_t *cr2; + + extents.x = extents.y = extents.width = extents.height = 1; + + /* Fill background white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + surface = cairo_surface_map_to_image (cairo_get_target (cr), &extents); + cr2 = cairo_create (surface); + cairo_set_source_rgb (cr2, 1, 0, 0); + cairo_paint (cr2); + cairo_destroy (cr2); + cairo_surface_unmap_image (cairo_get_target (cr), surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (map_all_to_image, + "Test maping a surface to an image and modifying it externally", + "image", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, all) +CAIRO_TEST (map_bit_to_image, + "Test maping a surface to an image and modifying it externally", + "image", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, bit) +CAIRO_TEST (map_to_image_fill, + "Test maping a surface to an image and modifying it externally", + "image", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, fill) diff --git a/test/mask-alpha.c b/test/mask-alpha.c new file mode 100644 index 000000000..d66e0ac13 --- /dev/null +++ b/test/mask-alpha.c @@ -0,0 +1,82 @@ +/* + * Copyright © 2007 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define SIZE 40 +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + +/* This test is designed to test that PDF viewers use the correct + * alpha values in an Alpha SMasks. Some viewers use the color values + * instead of the alpha. The test draws a triangle and rectangle in a + * group then draws the group using cairo_mask(). The mask consists of + * a circle with the rgba (0.4, 0.4, 0.4, 0.8) and the background rgba + * (0.8, 0.8, 0.8, 0.4). + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_translate (cr, PAD, PAD); + + /* mask */ + cairo_push_group (cr); + cairo_set_source_rgba (cr, 0.8, 0.8, 0.8, 0.4); + cairo_paint (cr); + cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 6, 0., 2. * M_PI); + cairo_set_source_rgba (cr, 0.4, 0.4, 0.4, 0.8); + cairo_fill (cr); + pattern = cairo_pop_group (cr); + + /* source */ + cairo_push_group (cr); + cairo_rectangle (cr, 0.3 * SIZE, 0.2 * SIZE, 0.5 * SIZE, 0.5 * SIZE); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_fill (cr); + cairo_move_to (cr, 0.0, 0.8 * SIZE); + cairo_rel_line_to (cr, 0.7 * SIZE, 0.0); + cairo_rel_line_to (cr, -0.375 * SIZE, -0.6 * SIZE); + cairo_close_path (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_fill (cr); + cairo_pop_group_to_source (cr); + + cairo_mask (cr, pattern); + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mask_alpha, + "A simple test painting a group through a circle mask", + "mask, alpha", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/mask-ctm.c b/test/mask-ctm.c new file mode 100644 index 000000000..205ab0691 --- /dev/null +++ b/test/mask-ctm.c @@ -0,0 +1,80 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *mask_surface; + cairo_pattern_t *mask; + uint32_t data[] = { + 0x80000000, 0x80000000, + 0x80000000, 0x80000000, + }; + cairo_matrix_t matrix; + + mask_surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_ARGB32, 2, 2, 8); + mask = cairo_pattern_create_for_surface (mask_surface); + + cairo_set_source_rgb (cr, 1.0, 0, 0); + + /* We can translate with the CTM, with the pattern matrix, or with + * both. */ + + /* 1. CTM alone. */ + cairo_save (cr); + { + cairo_translate (cr, 2, 2); + cairo_mask (cr, mask); + } + cairo_restore (cr); + + /* 2. Pattern matrix alone. */ + cairo_matrix_init_translate (&matrix, -4, -4); + cairo_pattern_set_matrix (mask, &matrix); + + cairo_mask (cr, mask); + + /* 3. CTM + pattern matrix */ + cairo_translate (cr, 2, 2); + cairo_mask (cr, mask); + + cairo_pattern_destroy (mask); + + cairo_surface_finish (mask_surface); /* data goes out of scope */ + cairo_surface_destroy (mask_surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mask_ctm, + "Test that cairo_mask is affected properly by the CTM", + "mask", /* keywords */ + NULL, /* requirements */ + 10, 10, + NULL, draw) + diff --git a/test/mask-glyphs.c b/test/mask-glyphs.c new file mode 100644 index 000000000..2e7b70301 --- /dev/null +++ b/test/mask-glyphs.c @@ -0,0 +1,187 @@ +/* + * Copyright 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#include <assert.h> + +static const char *png_filename = "romedalen.png"; + +#define WIDTH 800 +#define HEIGHT 600 + +static cairo_status_t +_image_to_glyphs (cairo_surface_t *image, + int channel, + int level, + cairo_scaled_font_t *scaled_font, + double tx, double ty, + cairo_glyph_t *glyphs, + int *num_glyphs) +{ + int width, height, stride; + const unsigned char *data; + int x, y, z, n; + + width = cairo_image_surface_get_width (image); + height = cairo_image_surface_get_height (image); + stride = cairo_image_surface_get_stride (image); + data = cairo_image_surface_get_data (image); + + n = 0; + for (y = 0; y < height; y++) { + const uint32_t *row = (uint32_t *) (data + y * stride); + + for (x = 0; x < width; x++) { + z = (row[x] >> channel) & 0xff; + if (z == level) { + double xx, yy, zz; + char c = n % 26 + 'a'; + int count = 1; + cairo_glyph_t *glyphs_p = &glyphs[n]; + cairo_status_t status; + + xx = 4 * (x - width/2.) + width/2.; + yy = 4 * (y - height/2.) + height/2.; + + zz = z / 1000.; + xx = xx + zz*(width/2. - xx); + yy = yy + zz*(height/2. - yy); + + cairo_scaled_font_text_to_glyphs (scaled_font, + tx + xx, ty + yy, + &c, 1, + &glyphs_p, &count, + NULL, NULL, + NULL); + status = cairo_scaled_font_status (scaled_font); + if (status) + return status; + + assert (glyphs_p == &glyphs[n]); + assert (count == 1); + n++; + } + } + } + + *num_glyphs = n; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_render_image (cairo_t *cr, + int width, int height, + cairo_surface_t *image) +{ + int ww, hh; + cairo_glyph_t *glyphs; + cairo_pattern_t *mask; + cairo_scaled_font_t *scaled_font; + double tx, ty; + const struct { + int shift; + double red; + double green; + double blue; + } channel[3] = { + { 0, 0.9, 0.3, 0.4 }, + { 8, 0.4, 0.9, 0.3 }, + { 16, 0.3, 0.4, 0.9 }, + }; + unsigned int n, i; + + ww = cairo_image_surface_get_width (image); + hh = cairo_image_surface_get_height (image); + + glyphs = cairo_glyph_allocate (ww * hh); + if (glyphs == NULL) + return CAIRO_STATUS_NO_MEMORY; + + tx = (width - ww) / 2.; + ty = (height - hh) / 2.; + + cairo_set_font_size (cr, 5); + scaled_font = cairo_get_scaled_font (cr); + + for (i = 0; i < ARRAY_LENGTH (channel); i++) { + cairo_push_group_with_content (cr, CAIRO_CONTENT_ALPHA); + for (n = 0; n < 256; n++) { + cairo_status_t status; + int num_glyphs; + + status = _image_to_glyphs (image, channel[i].shift, n, + scaled_font, + tx, ty, glyphs, &num_glyphs); + if (status) { + cairo_glyph_free (glyphs); + return status; + } + + cairo_set_source_rgba (cr, + 0, 0, 0, + .15 + .85 * n / 255.); + cairo_show_glyphs (cr, glyphs, num_glyphs); + } + mask = cairo_pop_group (cr); + cairo_set_source_rgb (cr, + channel[i].red, + channel[i].green, + channel[i].blue); + cairo_mask (cr, mask); + cairo_pattern_destroy (mask); + } + + cairo_glyph_free (glyphs); + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image; + cairo_status_t status; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + image = cairo_test_create_surface_from_png (ctx, png_filename); + status = cairo_surface_status (image); + if (status) + return cairo_test_status_from_status (ctx, status); + + status = _render_image (cr, width, height, image); + cairo_surface_destroy (image); + + return cairo_test_status_from_status (ctx, status); +} + +CAIRO_TEST (mask_glyphs, + "Creates a mask using a distorted array of overlapping glyphs", + "mask, glyphs", /* keywords */ + "slow", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/mask-surface-ctm.c b/test/mask-surface-ctm.c new file mode 100644 index 000000000..064de3c54 --- /dev/null +++ b/test/mask-surface-ctm.c @@ -0,0 +1,71 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *mask; + uint32_t data[] = { + 0x80000000, 0x80000000, + 0x80000000, 0x80000000, + }; + + mask = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_ARGB32, 2, 2, 8); + + cairo_set_source_rgb (cr, 1.0, 0, 0); + + /* We can translate with the CTM, with the mask_surface offset, or + * with both. */ + + /* 1. CTM alone. */ + cairo_save (cr); + { + cairo_translate (cr, 2, 2); + cairo_mask_surface (cr, mask, 0, 0); + } + cairo_restore (cr); + + /* 2. Offset alone. */ + cairo_mask_surface (cr, mask, 4, 4); + + /* 3. CTM + offset */ + cairo_translate (cr, 2, 2); + cairo_mask_surface (cr, mask, 4, 4); + + cairo_surface_finish (mask); /* data goes out of scope */ + cairo_surface_destroy (mask); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mask_surface_ctm, + "Test that cairo_mask_surface is affected properly by the CTM", + "mask", /* keywords */ + NULL, /* requirements */ + 10, 10, + NULL, draw) diff --git a/test/mask-transformed-image.c b/test/mask-transformed-image.c new file mode 100644 index 000000000..13c8fe7fc --- /dev/null +++ b/test/mask-transformed-image.c @@ -0,0 +1,96 @@ +/* + * Copyright 2008 Kai-Uwe Behrmann + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Kai-Uwe Behrmann not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Kai-Uwe Behrmann makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * KAI_UWE BEHRMANN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL KAI_UWE BEHRMANN BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kai-Uwe Behrmann <ku.b@gmx.de> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static const char png_filename[] = "romedalen.png"; + +static cairo_surface_t * +create_mask (cairo_t *dst, int width, int height) +{ + cairo_surface_t *mask; + cairo_t *cr; + + mask = cairo_image_surface_create (CAIRO_FORMAT_A8, width, height); + cr = cairo_create (mask); + cairo_surface_destroy (mask); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_rectangle (cr, width/4, height/4, width/2, height/2); + cairo_fill (cr); + + mask = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return mask; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image, *mask; + + image = cairo_test_create_surface_from_png (ctx, png_filename); + mask = create_mask (cr, 40, 40); + + /* opaque background */ + cairo_paint (cr); + + /* center */ + cairo_translate (cr, + (width - cairo_image_surface_get_width (image)) / 2., + (height - cairo_image_surface_get_height (image)) / 2.); + + /* rotate 30 degree around the center */ + cairo_translate (cr, width/2., height/2.); + cairo_rotate (cr, -30 * 2 * M_PI / 360); + cairo_translate (cr, -width/2., -height/2.); + + /* place the image on our surface */ + cairo_set_source_surface (cr, image, 0, 0); + + /* reset the drawing matrix */ + cairo_identity_matrix (cr); + + /* fill nicely */ + cairo_scale (cr, width / 40., height / 40.); + + /* apply the mask */ + cairo_mask_surface (cr, mask, 0, 0); + + cairo_surface_destroy (mask); + cairo_surface_destroy (image); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mask_transformed_image, + "Test that cairo_mask() is affected properly by the CTM and not the image", + "mask", /* keywords */ + NULL, /* requirements */ + 80, 80, + NULL, draw) diff --git a/test/mask-transformed-similar.c b/test/mask-transformed-similar.c new file mode 100644 index 000000000..c37deb2c0 --- /dev/null +++ b/test/mask-transformed-similar.c @@ -0,0 +1,98 @@ +/* + * Copyright 2008 Kai-Uwe Behrmann + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Kai-Uwe Behrmann not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Kai-Uwe Behrmann makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * KAI_UWE BEHRMANN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL KAI_UWE BEHRMANN BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kai-Uwe Behrmann <ku.b@gmx.de> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static const char png_filename[] = "romedalen.png"; + +static cairo_surface_t * +create_mask (cairo_t *dst, int width, int height) +{ + cairo_surface_t *mask; + cairo_t *cr; + + mask = cairo_surface_create_similar (cairo_get_target (dst), + CAIRO_CONTENT_ALPHA, + width, height); + cr = cairo_create (mask); + cairo_surface_destroy (mask); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_rectangle (cr, width/4, height/4, width/2, height/2); + cairo_fill (cr); + + mask = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return mask; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image, *mask; + + image = cairo_test_create_surface_from_png (ctx, png_filename); + mask = create_mask (cr, 40, 40); + + /* opaque background */ + cairo_paint (cr); + + /* center */ + cairo_translate (cr, + (width - cairo_image_surface_get_width (image)) / 2., + (height - cairo_image_surface_get_height (image)) / 2.); + + /* rotate 30 degree around the center */ + cairo_translate (cr, width/2., height/2.); + cairo_rotate (cr, -30 * 2 * M_PI / 360); + cairo_translate (cr, -width/2., -height/2.); + + /* place the image on our surface */ + cairo_set_source_surface (cr, image, 0, 0); + + /* reset the drawing matrix */ + cairo_identity_matrix (cr); + + /* fill nicely */ + cairo_scale (cr, width / 40., height / 40.); + + /* apply the mask */ + cairo_mask_surface (cr, mask, 0, 0); + + cairo_surface_destroy (mask); + cairo_surface_destroy (image); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mask_transformed_similar, + "Test that cairo_mask() is affected properly by the CTM and not the image", + "mask", /* keywords */ + NULL, /* requirements */ + 80, 80, + NULL, draw) diff --git a/test/mask.c b/test/mask.c new file mode 100644 index 000000000..89f4c3cc2 --- /dev/null +++ b/test/mask.c @@ -0,0 +1,246 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Owen Taylor <otaylor@redhat.com> + * Kristian Høgsberg <krh@redhat.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define WIDTH 16 +#define HEIGHT 16 +#define PAD 2 + +static const char *png_filename = "romedalen.png"; +static cairo_surface_t *image; + +static void +set_solid_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) +{ + cairo_set_source_rgb (cr, 0, 0, 0.6); +} + +static void +set_translucent_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) +{ + cairo_set_source_rgba (cr, 0, 0, 0.6, 0.5); +} + +static void +set_gradient_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) +{ + cairo_pattern_t *pattern; + + pattern = + cairo_pattern_create_linear (x, y, x + WIDTH, y + HEIGHT); + cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 1, 1, 1); + cairo_pattern_add_color_stop_rgba (pattern, 1, 0, 0, 0.4, 1); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +static void +set_image_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) +{ + cairo_pattern_t *pattern; + + if (image == NULL || cairo_surface_status (image)) { + cairo_surface_destroy (image); + image = cairo_test_create_surface_from_png (ctx, png_filename); + } + + pattern = cairo_pattern_create_for_surface (image); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +static void +mask_polygon (cairo_t *cr, int x, int y) +{ + cairo_surface_t *mask_surface; + cairo_t *cr2; + + mask_surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + WIDTH, HEIGHT); + cr2 = cairo_create (mask_surface); + cairo_surface_destroy (mask_surface); + + cairo_save (cr2); + cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr2); + cairo_restore (cr2); + + cairo_set_source_rgb (cr2, 1, 1, 1); /* white */ + + cairo_new_path (cr2); + cairo_move_to (cr2, 0, 0); + cairo_line_to (cr2, 0, HEIGHT); + cairo_line_to (cr2, WIDTH / 2, 3 * HEIGHT / 4); + cairo_line_to (cr2, WIDTH, HEIGHT); + cairo_line_to (cr2, WIDTH, 0); + cairo_line_to (cr2, WIDTH / 2, HEIGHT / 4); + cairo_close_path (cr2); + cairo_fill (cr2); + + cairo_mask_surface (cr, cairo_get_target (cr2), x, y); + cairo_destroy (cr2); +} + +static void +mask_alpha (cairo_t *cr, int x, int y) +{ + cairo_paint_with_alpha (cr, 0.75); +} + +static void +mask_gradient (cairo_t *cr, int x, int y) +{ + cairo_pattern_t *pattern; + + pattern = cairo_pattern_create_linear (x, y, + x + WIDTH, y + HEIGHT); + + cairo_pattern_add_color_stop_rgba (pattern, + 0, + 1, 1, 1, 1); + cairo_pattern_add_color_stop_rgba (pattern, + 1, + 1, 1, 1, 0); + + cairo_mask (cr, pattern); + + cairo_pattern_destroy (pattern); +} + +static void +clip_none (cairo_t *cr, int x, int y) +{ +} + +static void +clip_rects (cairo_t *cr, int x, int y) +{ + int height = HEIGHT / 3; + + cairo_new_path (cr); + cairo_rectangle (cr, x, y, WIDTH, height); + cairo_rectangle (cr, x, y + 2 * height, WIDTH, height); + cairo_clip (cr); +} + +static void +clip_circle (cairo_t *cr, int x, int y) +{ + cairo_new_path (cr); + cairo_arc (cr, x + WIDTH / 2, y + HEIGHT / 2, + WIDTH / 2, 0, 2 * M_PI); + cairo_clip (cr); + cairo_new_path (cr); +} + +static void (* const pattern_funcs[])(const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) = { + set_solid_pattern, + set_translucent_pattern, + set_gradient_pattern, + set_image_pattern, +}; + +static void (* const mask_funcs[])(cairo_t *cr, int x, int y) = { + mask_alpha, + mask_gradient, + mask_polygon, +}; + +static void (* const clip_funcs[])(cairo_t *cr, int x, int y) = { + clip_none, + clip_rects, + clip_circle, +}; + +#define IMAGE_WIDTH (ARRAY_LENGTH (pattern_funcs) * (WIDTH + PAD) + PAD) +#define IMAGE_HEIGHT (ARRAY_LENGTH (mask_funcs) * ARRAY_LENGTH (clip_funcs) * (HEIGHT + PAD) + PAD) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *tmp_surface; + size_t i, j, k; + cairo_t *cr2; + + /* Some of our drawing is unbounded, so we draw each test to + * a temporary surface and copy over. + */ + tmp_surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + IMAGE_WIDTH, IMAGE_HEIGHT); + cr2 = cairo_create (tmp_surface); + cairo_surface_destroy (tmp_surface); + + for (k = 0; k < ARRAY_LENGTH (clip_funcs); k++) { + for (j = 0; j < ARRAY_LENGTH (mask_funcs); j++) { + for (i = 0; i < ARRAY_LENGTH (pattern_funcs); i++) { + int x = i * (WIDTH + PAD) + PAD; + int y = (ARRAY_LENGTH (mask_funcs) * k + j) * (HEIGHT + PAD) + PAD; + + /* Clear intermediate surface we are going to be drawing onto */ + cairo_save (cr2); + cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr2); + cairo_restore (cr2); + + /* draw */ + cairo_save (cr2); + + clip_funcs[k] (cr2, x, y); + pattern_funcs[i] (ctx, cr2, x, y); + mask_funcs[j] (cr2, x, y); + + cairo_restore (cr2); + + /* Copy back to the main pixmap */ + cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_rectangle (cr, x, y, WIDTH, HEIGHT); + cairo_fill (cr); + } + } + } + + cairo_destroy (cr2); + + cairo_surface_destroy (image); + image = NULL; + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mask, + "Tests of cairo_mask", + "mask", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) + diff --git a/test/mesh-pattern-accuracy.c b/test/mesh-pattern-accuracy.c new file mode 100644 index 000000000..d1f60b2fa --- /dev/null +++ b/test/mesh-pattern-accuracy.c @@ -0,0 +1,99 @@ +/* + * Copyright © 2009 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" +#include <float.h> + +#define SIZE 256 + +/* This test is designed to test the accuracy of the rendering of mesh + * patterns. + * + * Color accuracy is tested by a square patch covering the whole + * surface with black and white corners. + * + * Extents accuracy is checked by a small red square patch at the + * center of the surface which should measure 2x2 pixels. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + double offset; + + cairo_test_paint_checkered (cr); + + pattern = cairo_pattern_create_mesh (); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 0, 0); + cairo_mesh_pattern_line_to (pattern, 1, 0); + cairo_mesh_pattern_line_to (pattern, 1, 1); + cairo_mesh_pattern_line_to (pattern, 0, 1); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 0, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 1, 1, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 1); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_mesh_pattern_begin_patch (pattern); + + /* A small 1x1 red patch, that should be rendered as a 2x2 red + * square in the center of the image */ + + offset = 0.5 / SIZE; + + cairo_mesh_pattern_move_to (pattern, 0.5 + offset, 0.5 + offset); + cairo_mesh_pattern_line_to (pattern, 0.5 + offset, 0.5 - offset); + cairo_mesh_pattern_line_to (pattern, 0.5 - offset, 0.5 - offset); + cairo_mesh_pattern_line_to (pattern, 0.5 - offset, 0.5 + offset); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 0, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_scale (cr, SIZE, SIZE); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mesh_pattern_accuracy, + "Paint mesh pattern", + "mesh, pattern", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/mesh-pattern-conical.c b/test/mesh-pattern-conical.c new file mode 100644 index 000000000..4e87eec66 --- /dev/null +++ b/test/mesh-pattern-conical.c @@ -0,0 +1,135 @@ +/* + * Copyright © 2009 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" +#include <math.h> + +#define PAT_WIDTH 100 +#define PAT_HEIGHT 100 +#define SIZE PAT_WIDTH +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + + +/* + * This test is designed to paint a mesh pattern which contains 8 + * circular sectors approximating a conical gradient. + */ + +#define CENTER_X 50 +#define CENTER_Y 50 +#define RADIUS 50 + +static void +sector_patch (cairo_pattern_t *pattern, + double angle_A, + double A_r, double A_g, double A_b, + double angle_B, + double B_r, double B_g, double B_b) +{ + double r_sin_A, r_cos_A; + double r_sin_B, r_cos_B; + double h; + + r_sin_A = RADIUS * sin (angle_A); + r_cos_A = RADIUS * cos (angle_A); + r_sin_B = RADIUS * sin (angle_B); + r_cos_B = RADIUS * cos (angle_B); + + h = 4.0/3.0 * tan ((angle_B - angle_A) / 4.0); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, CENTER_X, CENTER_Y); + cairo_mesh_pattern_line_to (pattern, + CENTER_X + r_cos_A, + CENTER_Y + r_sin_A); + + cairo_mesh_pattern_curve_to (pattern, + CENTER_X + r_cos_A - h * r_sin_A, + CENTER_Y + r_sin_A + h * r_cos_A, + CENTER_X + r_cos_B + h * r_sin_B, + CENTER_Y + r_sin_B - h * r_cos_B, + CENTER_X + r_cos_B, + CENTER_Y + r_sin_B); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 1, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, A_r, A_g, A_b); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, B_r, B_g, B_b); + + cairo_mesh_pattern_end_patch (pattern); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, PAD, PAD); + + pattern = cairo_pattern_create_mesh (); + sector_patch (pattern, + 0, 1, 0, 0, + M_PI/4, 1, 1, 0); + sector_patch (pattern, + M_PI/4, 0, 1, 0, + M_PI/2, 0, 1, 1); + sector_patch (pattern, + M_PI/2, 0, 0, 1, + 3*M_PI/4, 1, 0, 1); + sector_patch (pattern, + 3*M_PI/4, 1, 0, 0, + M_PI, 1, 1, 0); + sector_patch (pattern, + -M_PI, 1, 1, 0, + -3*M_PI/4, 0, 1, 0); + sector_patch (pattern, + -3*M_PI/4, 0, 1, 0, + -M_PI/2, 0, 1, 1); + sector_patch (pattern, + -M_PI/2, 0, 1, 1, + -M_PI/4, 0, 0, 1); + sector_patch (pattern, + -M_PI/4, 0, 0, 1, + 0, 1, 0, 0); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mesh_pattern_conical, + "Paint a conical pattern using a mesh pattern", + "conical, mesh, pattern", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/mesh-pattern-control-points.c b/test/mesh-pattern-control-points.c new file mode 100644 index 000000000..057e7a1f6 --- /dev/null +++ b/test/mesh-pattern-control-points.c @@ -0,0 +1,114 @@ +/* + * Copyright © 2009 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define SIZE 90 +#define PAD 10 +#define WIDTH (PAD + 2 * (SIZE + PAD)) +#define HEIGHT (PAD + SIZE + PAD) + + +/* + * This test is designed to paint a two mesh patches. One with default + * control points and one with a control point at a no default + * location. The control points of both of them are drawn as squares + * to make them visible. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + unsigned int i, j; + unsigned int num_patches; + double x, y; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, PAD, PAD); + + pattern = cairo_pattern_create_mesh (); + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 0, 0); + cairo_mesh_pattern_line_to (pattern, SIZE, 0); + cairo_mesh_pattern_line_to (pattern, SIZE, SIZE); + cairo_mesh_pattern_line_to (pattern, 0, SIZE); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_set_control_point (pattern, 0, SIZE * .7, SIZE * .7); + cairo_mesh_pattern_set_control_point (pattern, 1, SIZE * .9, SIZE * .7); + cairo_mesh_pattern_set_control_point (pattern, 2, SIZE * .9, SIZE * .9); + cairo_mesh_pattern_set_control_point (pattern, 3, SIZE * .7, SIZE * .9); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, SIZE + PAD, 0); + cairo_mesh_pattern_line_to (pattern, 2*SIZE + PAD, 0); + cairo_mesh_pattern_line_to (pattern, 2*SIZE + PAD, SIZE); + cairo_mesh_pattern_line_to (pattern, SIZE + PAD, SIZE); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + + /* mark the location of the control points */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_mesh_pattern_get_patch_count (pattern, &num_patches); + for (i = 0; i < num_patches; i++) { + for (j = 0; j < 4; j++) { + cairo_mesh_pattern_get_control_point (pattern, i, j, &x, &y); + cairo_rectangle (cr, x - 5, y - 5, 10, 10); + cairo_fill (cr); + } + } + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + + +CAIRO_TEST (mesh_pattern_control_points, + "Paint mesh pattern with non default control points", + "mesh, pattern", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/mesh-pattern-fold.c b/test/mesh-pattern-fold.c new file mode 100644 index 000000000..cacd712e7 --- /dev/null +++ b/test/mesh-pattern-fold.c @@ -0,0 +1,82 @@ +/* + * Copyright © 2009 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define SIZE 100 +#define PAD 15 +#define WIDTH (5*SIZE) +#define HEIGHT (5*SIZE) + + +/* This test is designed to paint a mesh pattern which folds along + * both parameters. */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_test_paint_checkered (cr); + + pattern = cairo_pattern_create_mesh (); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 1, 1); + + cairo_mesh_pattern_curve_to (pattern, 6, 0, -1, 0, 4, 1); + cairo_mesh_pattern_curve_to (pattern, 5, 6, 5, -1, 4, 4); + cairo_mesh_pattern_curve_to (pattern, -1, 3, 6, 3, 1, 4); + cairo_mesh_pattern_curve_to (pattern, 2, -1, 2, 6, 1, 1); + + cairo_mesh_pattern_set_control_point (pattern, 0, 2, 3); + cairo_mesh_pattern_set_control_point (pattern, 1, 3, 3); + cairo_mesh_pattern_set_control_point (pattern, 2, 3, 2); + cairo_mesh_pattern_set_control_point (pattern, 3, 2, 2); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 0, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 0, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_scale (cr, SIZE, SIZE); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mesh_pattern_fold, + "Paint a mesh pattern with complex folds", + "mesh, pattern", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/mesh-pattern-overlap.c b/test/mesh-pattern-overlap.c new file mode 100644 index 000000000..969bc73a3 --- /dev/null +++ b/test/mesh-pattern-overlap.c @@ -0,0 +1,76 @@ +/* + * Copyright © 2009 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define SIZE 100 +#define PAD 15 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + + +/* This test is designed to paint a mesh pattern with a simple + * fold. */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_test_paint_checkered (cr); + + cairo_translate (cr, PAD, PAD); + + pattern = cairo_pattern_create_mesh (); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 0, 0); + cairo_mesh_pattern_curve_to (pattern, 30, -30, 60, 30, 100, 0); + cairo_mesh_pattern_curve_to (pattern, 130, 140, 60, -40, 100, 100); + cairo_mesh_pattern_curve_to (pattern, 60, 70, 30, 130, 0, 100); + cairo_mesh_pattern_curve_to (pattern, -30, -40, 30, 140, 0, 0); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mesh_pattern_overlap, + "Paint a mesh pattern with a simple fold", + "mesh, pattern", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/mesh-pattern-transformed.c b/test/mesh-pattern-transformed.c new file mode 100644 index 000000000..5fe0dc048 --- /dev/null +++ b/test/mesh-pattern-transformed.c @@ -0,0 +1,107 @@ +/* + * Copyright © 2009 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define PAT_WIDTH 170 +#define PAT_HEIGHT 170 +#define SIZE PAT_WIDTH +#define PAD 10 +#define WIDTH 190 +#define HEIGHT 140 + + +/* This test is designed to paint a mesh pattern containing two + * overlapping patches transformed in different ways. */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_test_paint_checkered (cr); + + cairo_translate (cr, PAD, PAD); + + pattern = cairo_pattern_create_mesh (); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 0, 0); + cairo_mesh_pattern_curve_to (pattern, 30, -30, 60, 30, 100, 0); + cairo_mesh_pattern_curve_to (pattern, 60, 30, 130, 60, 100, 100); + cairo_mesh_pattern_curve_to (pattern, 60, 70, 30, 130, 0, 100); + cairo_mesh_pattern_curve_to (pattern, 30, 70, -30, 30, 0, 0); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 50, 50); + cairo_mesh_pattern_curve_to (pattern, 80, 20, 110, 80, 150, 50); + + cairo_mesh_pattern_curve_to (pattern, 110, 80, 180, 110, 150, 150); + + cairo_mesh_pattern_curve_to (pattern, 110, 120, 80, 180, 50, 150); + + cairo_mesh_pattern_curve_to (pattern, 80, 120, 20, 80, 50, 50); + + cairo_mesh_pattern_set_corner_color_rgba (pattern, 0, 1, 0, 0, 0.3); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgba (pattern, 2, 0, 0, 1, 0.3); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_scale (cr, .5, .5); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + + cairo_translate (cr, PAT_WIDTH, PAT_HEIGHT); + cairo_translate (cr, PAT_WIDTH/2, PAT_HEIGHT/2); + cairo_rotate (cr, M_PI/4); + cairo_translate (cr, -PAT_WIDTH, -PAT_HEIGHT); + cairo_set_source (cr, pattern); + cairo_paint (cr); + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mesh_pattern_transformed, + "Paint mesh pattern with a transformation", + "mesh, pattern", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) + diff --git a/test/mesh-pattern.c b/test/mesh-pattern.c new file mode 100644 index 000000000..eccbd389a --- /dev/null +++ b/test/mesh-pattern.c @@ -0,0 +1,94 @@ +/* + * Copyright © 2009 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define PAT_WIDTH 170 +#define PAT_HEIGHT 170 +#define SIZE PAT_WIDTH +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + + +/* This test is designed to paint a mesh pattern. The mesh contains + * two overlapping patches */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_test_paint_checkered (cr); + + cairo_translate (cr, PAD, PAD); + cairo_translate (cr, 10, 10); + + pattern = cairo_pattern_create_mesh (); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 0, 0); + cairo_mesh_pattern_curve_to (pattern, 30, -30, 60, 30, 100, 0); + cairo_mesh_pattern_curve_to (pattern, 60, 30, 130, 60, 100, 100); + cairo_mesh_pattern_curve_to (pattern, 60, 70, 30, 130, 0, 100); + cairo_mesh_pattern_curve_to (pattern, 30, 70, -30, 30, 0, 0); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 50, 50); + cairo_mesh_pattern_curve_to (pattern, 80, 20, 110, 80, 150, 50); + cairo_mesh_pattern_curve_to (pattern, 110, 80, 180, 110, 150, 150); + cairo_mesh_pattern_curve_to (pattern, 110, 120, 80, 180, 50, 150); + cairo_mesh_pattern_curve_to (pattern, 80, 120, 20, 80, 50, 50); + + cairo_mesh_pattern_set_corner_color_rgba (pattern, 0, 1, 0, 0, 0.3); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgba (pattern, 2, 0, 0, 1, 0.3); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mesh_pattern, + "Paint mesh pattern", + "mesh, pattern", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/mime-data.c b/test/mime-data.c new file mode 100644 index 000000000..c744f5c9b --- /dev/null +++ b/test/mime-data.c @@ -0,0 +1,241 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <errno.h> + +/* Basic test to exercise the new mime-data embedding. */ + +static cairo_status_t +read_file (const cairo_test_context_t *ctx, + const char *filename, + unsigned char **data_out, + unsigned int *length_out) +{ + FILE *file; + unsigned char *buf; + unsigned int len; + + file = fopen (filename, "rb"); + if (file == NULL) { + char path[4096]; + + if (errno == ENOMEM) + return CAIRO_STATUS_NO_MEMORY; + + /* try again with srcdir */ + snprintf (path, sizeof (path), + "%s/%s", ctx->srcdir, filename); + file = fopen (path, "rb"); + } + if (file == NULL) { + switch (errno) { + case ENOMEM: + return CAIRO_STATUS_NO_MEMORY; + default: + return CAIRO_STATUS_FILE_NOT_FOUND; + } + } + + fseek (file, 0, SEEK_END); + len = ftell (file); + fseek (file, 0, SEEK_SET); + + buf = xmalloc (len); + *length_out = fread (buf, 1, len, file); + fclose (file); + if (*length_out != len) { + free (buf); + return CAIRO_STATUS_READ_ERROR; + } + + *data_out = buf; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +paint_file (cairo_t *cr, + const char *filename, const char *mime_type, + int x, int y) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image; + unsigned char *mime_data; + unsigned int mime_length; + cairo_status_t status; + + /* Deliberately use a non-matching MIME images, so that we can identify + * when the MIME representation is used in preference to the plain image + * surface. + */ + status = read_file (ctx, filename, &mime_data, &mime_length); + if (status) + return cairo_test_status_from_status (ctx, status); + + image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 50); + + status = cairo_surface_set_mime_data (image, mime_type, + mime_data, mime_length, + free, mime_data); + if (status) { + cairo_surface_destroy (image); + free (mime_data); + return cairo_test_status_from_status (ctx, status); + } + + cairo_set_source_surface (cr, image, x, y); + cairo_surface_destroy (image); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +paint_jbig2_file (cairo_t *cr, int x, int y) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image; + unsigned char *mime_data; + unsigned int mime_length; + cairo_status_t status; + const char jbig2_image1_filename[] = "image1.jb2"; + const char jbig2_image2_filename[] = "image2.jb2"; + const char jbig2_global_filename[] = "global.jb2"; + + /* Deliberately use a non-matching MIME images, so that we can identify + * when the MIME representation is used in preference to the plain image + * surface. + */ + + /* Image 1 */ + + status = read_file (ctx, jbig2_image1_filename, &mime_data, &mime_length); + if (status) + return cairo_test_status_from_status (ctx, status); + + image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 50); + + status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2_GLOBAL_ID, + (unsigned char *)"global", 6, NULL, NULL); + if (status) { + cairo_surface_destroy (image); + return cairo_test_status_from_status (ctx, status); + } + + status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2, + mime_data, mime_length, + free, mime_data); + if (status) { + cairo_surface_destroy (image); + free (mime_data); + return cairo_test_status_from_status (ctx, status); + } + + cairo_set_source_surface (cr, image, x, y); + cairo_surface_destroy (image); + + cairo_paint (cr); + + /* Image 2 */ + + status = read_file (ctx, jbig2_image2_filename, &mime_data, &mime_length); + if (status) + return cairo_test_status_from_status (ctx, status); + + image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 50); + + status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2_GLOBAL_ID, + (unsigned char *)"global", 6, NULL, NULL); + if (status) { + cairo_surface_destroy (image); + return cairo_test_status_from_status (ctx, status); + } + + status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2, + mime_data, mime_length, + free, mime_data); + if (status) { + cairo_surface_destroy (image); + free (mime_data); + return cairo_test_status_from_status (ctx, status); + } + + /* Set the global data */ + status = read_file (ctx, jbig2_global_filename, &mime_data, &mime_length); + if (status) + return cairo_test_status_from_status (ctx, status); + + status = cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JBIG2_GLOBAL, + mime_data, mime_length, + free, mime_data); + if (status) { + cairo_surface_destroy (image); + free (mime_data); + return cairo_test_status_from_status (ctx, status); + } + + cairo_set_source_surface (cr, image, x, y + 50); + cairo_surface_destroy (image); + + cairo_paint (cr); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const char jpg_filename[] = "jpeg.jpg"; + const char png_filename[] = "png.png"; + const char jp2_filename[] = "jp2.jp2"; + cairo_test_status_t status; + + status = paint_file (cr, jpg_filename, CAIRO_MIME_TYPE_JPEG, 0, 0); + if (status) + return status; + + status = paint_file (cr, png_filename, CAIRO_MIME_TYPE_PNG, 0, 50); + if (status) + return status; + + status = paint_file (cr, jp2_filename, CAIRO_MIME_TYPE_JP2, 0, 100); + if (status) + return status; + + status = paint_jbig2_file (cr, 0, 150); + if (status) + return status; + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (mime_data, + "Check that the mime-data embedding works", + "jpeg, api", /* keywords */ + NULL, /* requirements */ + 200, 250, + NULL, draw) diff --git a/test/mime-surface-api.c b/test/mime-surface-api.c new file mode 100644 index 000000000..ce12653e1 --- /dev/null +++ b/test/mime-surface-api.c @@ -0,0 +1,151 @@ +/* + * Copyright © 2011 Uli Schlachter + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + */ + +#include "cairo-test.h" + +static void +mime_data_destroy_func (void *data) +{ + cairo_bool_t *called = data; + *called = TRUE; +} + +static cairo_test_status_t +check_mime_data (cairo_test_context_t *ctx, cairo_surface_t *surface, + const char *mimetype, const unsigned char *data, + unsigned long length) +{ + const unsigned char *data_ret; + unsigned long length_ret; + + cairo_surface_get_mime_data (surface, mimetype, &data_ret, &length_ret); + if (data_ret != data || length_ret != length) { + cairo_test_log (ctx, + "Surface has mime data %p with length %lu, " + "but expected %p with length %lu\n", + data_ret, length_ret, data, length); + return CAIRO_TEST_ERROR; + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +set_and_check_mime_data (cairo_test_context_t *ctx, cairo_surface_t *surface, + const char *mimetype, const unsigned char *data, + unsigned long length, cairo_bool_t *destroy_called) +{ + cairo_status_t status; + + status = cairo_surface_set_mime_data (surface, mimetype, + data, length, + mime_data_destroy_func, + destroy_called); + if (status) { + cairo_test_log (ctx, "Could not set mime data to %s: %s\n", + data, cairo_status_to_string(status)); + return CAIRO_TEST_ERROR; + } + + return check_mime_data (ctx, surface, mimetype, data, length); +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + const char *mimetype = "text/x-uri"; + const char *data1 = "http://www.cairographics.org"; + const char *data2 = "http://cairographics.org/examples/"; + cairo_bool_t destroy1_called = FALSE; + cairo_bool_t destroy2_called = FALSE; + cairo_surface_t *surface; + cairo_test_status_t test_status = CAIRO_TEST_SUCCESS; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 0, 0); + if (cairo_surface_status (surface)) { + cairo_test_log (ctx, "Could not create image surface\n"); + test_status = CAIRO_TEST_ERROR; + goto out; + } + + test_status = check_mime_data (ctx, surface, mimetype, NULL, 0); + if (test_status) + goto out; + + test_status = set_and_check_mime_data (ctx, surface, mimetype, + (const unsigned char *) data1, + strlen (data1), + &destroy1_called); + if (test_status) + goto out; + + if (destroy1_called) { + cairo_test_log (ctx, "MIME data 1 destroyed too early\n"); + test_status = CAIRO_TEST_ERROR; + goto out; + } + + test_status = set_and_check_mime_data (ctx, surface, mimetype, + (const unsigned char *) data2, + strlen (data2), + &destroy2_called); + if (test_status) + goto out; + + if (!destroy1_called) { + cairo_test_log (ctx, "MIME data 1 destroy callback not called\n"); + test_status = CAIRO_TEST_ERROR; + goto out; + } + if (destroy2_called) { + cairo_test_log (ctx, "MIME data 2 destroyed too early\n"); + test_status = CAIRO_TEST_ERROR; + goto out; + } + + test_status = set_and_check_mime_data (ctx, surface, mimetype, + NULL, 0, NULL); + if (test_status) + goto out; + + if (!destroy2_called) { + cairo_test_log (ctx, "MIME data destroy callback not called\n"); + test_status = CAIRO_TEST_ERROR; + goto out; + } + +out: + cairo_surface_destroy (surface); + + return test_status; +} + +CAIRO_TEST (mime_surface_api, + "Check the mime data API", + "api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/miter-precision.c b/test/miter-precision.c new file mode 100644 index 000000000..3bcdde00d --- /dev/null +++ b/test/miter-precision.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2007 Keith Packard + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + * The Original Code is the cairo graphics library. + * + * The Initial Developer of the Original Code is Keith Packard + * + * Contributor(s): + * Keith Packard <keithp@keithp.com> + */ +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double xscale, yscale; + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_set_miter_limit (cr, 100000); + for (xscale = 1; xscale <= 1000; xscale += 999) + for (yscale = 1; yscale <= 1000; yscale += 999) + { + double max_scale = xscale > yscale ? xscale : yscale; + cairo_save (cr); + if (xscale > 1) + cairo_translate (cr, 50, 0); + if (yscale > 1) + cairo_translate (cr, 0, 50); + cairo_scale (cr, xscale, yscale); + cairo_set_line_width (cr, 10.0 / max_scale); + cairo_move_to (cr, 10.0 / xscale, 10.0 / yscale); + cairo_line_to (cr, 40.0 / xscale, 10.0 / yscale); + cairo_line_to (cr, 10.0 / xscale, 30.0 / yscale); + cairo_stroke (cr); + cairo_restore (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (miter_precision, + "test how cairo deals with small miters" + "\ncurrent code draws inappropriate bevels at times", + "stoke, stress", /* keywords */ + NULL, /* requirements */ + 120, 100, + NULL, draw) diff --git a/test/move-to-show-surface.c b/test/move-to-show-surface.c new file mode 100644 index 000000000..a52b46827 --- /dev/null +++ b/test/move-to-show-surface.c @@ -0,0 +1,78 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Bug history + * + * 2004-10-25 Carl Worth <cworth@cworth.org> + * + * It looks like cairo_show_surface has no effect if it follows a + * call to cairo_move_to to any coordinate other than 0,0. A little + * bit of poking around suggests this isn't a regression, (at least + * not since the last pixman snapshot). + * + * 2005-04-02 Carl Worth <cworth@cworth.org> + * + * Status: RESOLVED + * + * Inside cairo_show_surface the current point was being used as + * both source and destination offsets. After fixing that to use 0,0 + * as the source offset and the current point as the destination + * offset, the bug seems to be gone. + * + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + uint32_t colors[4] = { + 0xffffffff, 0xffff0000, + 0xff00ff00, 0xff0000ff + }; + int i; + + for (i=0; i < 4; i++) { + surface = cairo_image_surface_create_for_data ((unsigned char *) &colors[i], + CAIRO_FORMAT_RGB24, + 1, 1, 4); + cairo_set_source_surface (cr, surface, + i % 2, i / 2); + cairo_paint (cr); + + cairo_surface_finish (surface); /* colors will go out of scope */ + cairo_surface_destroy (surface); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (move_to_show_surface, + "Tests calls to cairo_show_surface after cairo_move_to", + "transform", /* keywords */ + NULL, /* requirements */ + 2, 2, + NULL, draw) diff --git a/test/multi-page.c b/test/multi-page.c new file mode 100644 index 000000000..a3102dba3 --- /dev/null +++ b/test/multi-page.c @@ -0,0 +1,198 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <stdio.h> + +#include <cairo.h> + +#if CAIRO_HAS_PS_SURFACE +#include <cairo-ps.h> +#endif + +#if CAIRO_HAS_PDF_SURFACE +#include <cairo-pdf.h> +#endif + +/* The PostScript and PDF backends are now integrated into the main + * test suite, so we are getting good verification of most things + * there. + * + * One thing that isn't supported there yet is multi-page output. So, + * for now we have this one-off test. There's no automatic + * verififcation here yet, but you can manually view the output to + * make sure it looks happy. + */ + +#define WIDTH_IN_INCHES 3 +#define HEIGHT_IN_INCHES 3 +#define WIDTH_IN_POINTS (WIDTH_IN_INCHES * 72.0) +#define HEIGHT_IN_POINTS (HEIGHT_IN_INCHES * 72.0) +#define BASENAME "multi-page.out" + +static void +draw_smiley (cairo_t *cr, double width, double height, double smile_ratio) +{ +#define STROKE_WIDTH .04 + double size; + + double theta = M_PI / 4 * smile_ratio; + double dx = sqrt (0.005) * cos (theta); + double dy = sqrt (0.005) * sin (theta); + + cairo_save (cr); + + if (width > height) + size = height; + else + size = width; + + cairo_translate (cr, (width - size) / 2.0, (height - size) / 2.0); + cairo_scale (cr, size, size); + + /* Fill face */ + cairo_arc (cr, 0.5, 0.5, 0.5 - STROKE_WIDTH, 0, 2 * M_PI); + cairo_set_source_rgb (cr, 1, 1, 0); + cairo_fill_preserve (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + + /* Stroke face */ + cairo_set_line_width (cr, STROKE_WIDTH / 2.0); + cairo_stroke (cr); + + /* Eyes */ + cairo_set_line_width (cr, STROKE_WIDTH); + cairo_arc (cr, 0.3, 0.4, STROKE_WIDTH, 0, 2 * M_PI); + cairo_fill (cr); + cairo_arc (cr, 0.7, 0.4, STROKE_WIDTH, 0, 2 * M_PI); + cairo_fill (cr); + + /* Mouth */ + cairo_move_to (cr, + 0.35 - dx, 0.75 - dy); + cairo_curve_to (cr, + 0.35 + dx, 0.75 + dy, + 0.65 - dx, 0.75 + dy, + 0.65 + dx, 0.75 - dy); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static void +draw_some_pages (cairo_surface_t *surface) +{ + cairo_t *cr; + int i; + + cr = cairo_create (surface); + +#define NUM_FRAMES 5 + for (i=0; i < NUM_FRAMES; i++) { + draw_smiley (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS, + (double) i / (NUM_FRAMES - 1)); + + /* Duplicate the last frame onto another page. (This is just a + * way to sneak cairo_copy_page into the test). + */ + if (i == (NUM_FRAMES - 1)) + cairo_copy_page (cr); + + cairo_show_page (cr); + } + + cairo_destroy (cr); +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface; + cairo_status_t status; + char *filename; + cairo_test_status_t result = CAIRO_TEST_UNTESTED; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + +#if CAIRO_HAS_PS_SURFACE + if (cairo_test_is_target_enabled (ctx, "ps2") || + cairo_test_is_target_enabled (ctx, "ps3")) + { + if (result == CAIRO_TEST_UNTESTED) + result = CAIRO_TEST_SUCCESS; + + xasprintf (&filename, "%s/%s", path, BASENAME ".ps"); + surface = cairo_ps_surface_create (filename, + WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + status = cairo_surface_status (surface); + if (status) { + cairo_test_log (ctx, "Failed to create ps surface for file %s: %s\n", + filename, cairo_status_to_string (status)); + result = CAIRO_TEST_FAILURE; + } + + draw_some_pages (surface); + + cairo_surface_destroy (surface); + + printf ("multi-page: Please check %s to ensure it looks happy.\n", filename); + free (filename); + } +#endif + +#if CAIRO_HAS_PDF_SURFACE + if (cairo_test_is_target_enabled (ctx, "pdf")) { + if (result == CAIRO_TEST_UNTESTED) + result = CAIRO_TEST_SUCCESS; + + xasprintf (&filename, "%s/%s", path, BASENAME ".pdf"); + surface = cairo_pdf_surface_create (filename, + WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + status = cairo_surface_status (surface); + if (status) { + cairo_test_log (ctx, "Failed to create pdf surface for file %s: %s\n", + filename, cairo_status_to_string (status)); + result = CAIRO_TEST_FAILURE; + } + + draw_some_pages (surface); + + cairo_surface_destroy (surface); + + printf ("multi-page: Please check %s to ensure it looks happy.\n", filename); + free (filename); + } +#endif + + return result; +} + +CAIRO_TEST (multi_page, + "Check the paginated surfaces handle multiple pages.", + "paginated", /* keywords */ + "target=vector", /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/negative-stride-image.c b/test/negative-stride-image.c new file mode 100644 index 000000000..dfc8d644d --- /dev/null +++ b/test/negative-stride-image.c @@ -0,0 +1,71 @@ +/* + * Copyright 2012 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +static const char *png_filename = "romedalen.png"; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_format_t format = CAIRO_FORMAT_ARGB32; + cairo_t *cr_inv; + cairo_surface_t *png, *inv; + uint8_t *data; + int stride; + + png = cairo_test_create_surface_from_png (ctx, png_filename); + + stride = cairo_format_stride_for_width (format, width); + data = xcalloc (stride, height); + inv = cairo_image_surface_create_for_data (data + stride * (height - 1), + format, width, height, -stride); + + cr_inv = cairo_create (inv); + cairo_set_source_surface (cr_inv, png, 0, 0); + cairo_paint (cr_inv); + cairo_destroy (cr_inv); + + cairo_set_source_surface (cr, inv, 0, 0); + cairo_paint (cr); + + cairo_surface_destroy (png); + + cairo_surface_finish (inv); + cairo_surface_destroy (inv); + + free (data); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (negative_stride_image, + "Test that images with a negative stride are handled correctly.", + "stride, image", /* keywords */ + NULL, /* requirements */ + 256, 192, + NULL, draw) diff --git a/test/new-sub-path.c b/test/new-sub-path.c new file mode 100644 index 000000000..f8f6bbe8d --- /dev/null +++ b/test/new-sub-path.c @@ -0,0 +1,74 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); /* blue */ + + /* Test cairo_new_sub_path followed by several different + * path-modification functions in turn... + */ + + /* ... cairo_move_to */ + cairo_new_sub_path (cr); + cairo_move_to (cr, SIZE, SIZE); + cairo_line_to (cr, SIZE, 2 * SIZE); + + /* ... cairo_line_to */ + cairo_new_sub_path (cr); + cairo_line_to (cr, 2 * SIZE, 1.5 * SIZE); + cairo_line_to (cr, 3 * SIZE, 1.5 * SIZE); + + /* ... cairo_curve_to */ + cairo_new_sub_path (cr); + cairo_curve_to (cr, + 4.0 * SIZE, 1.5 * SIZE, + 4.5 * SIZE, 1.0 * SIZE, + 5.0 * SIZE, 1.5 * SIZE); + + /* ... cairo_arc */ + cairo_new_sub_path (cr); + cairo_arc (cr, + 6.5 * SIZE, 1.5 * SIZE, + 0.5 * SIZE, + 0.0, 2.0 * M_PI); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (new_sub_path, + "Test the cairo_new_sub_path call", + "path", /* keywords */ + NULL, /* requirements */ + 8 * SIZE, + 3 * SIZE, + NULL, draw) diff --git a/test/nil-surface.c b/test/nil-surface.c new file mode 100644 index 000000000..30a1f97e5 --- /dev/null +++ b/test/nil-surface.c @@ -0,0 +1,170 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" +#include <stddef.h> + +/* Test to verify fixes for the following similar bugs: + * + * https://bugs.freedesktop.org/show_bug.cgi?id=4088 + * https://bugs.freedesktop.org/show_bug.cgi?id=3915 + * https://bugs.freedesktop.org/show_bug.cgi?id=9906 + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_t *cr2; + + /* + * 1. Test file-not-found from surface->pattern->cairo_t + */ + + /* Make a custom context to not interfere with the one passed in. */ + cr2 = cairo_create (cairo_get_target (cr)); + + /* First, let's make a nil surface. */ + surface = cairo_image_surface_create_from_png ("___THIS_FILE_DOES_NOT_EXIST___"); + + /* Let the error propagate into a nil pattern. */ + pattern = cairo_pattern_create_for_surface (surface); + + /* Then let it propagate into the cairo_t. */ + cairo_set_source (cr2, pattern); + cairo_paint (cr2); + + cairo_pattern_destroy (pattern); + cairo_surface_destroy (surface); + + /* Check that the error made it all that way. */ + if (cairo_status (cr2) != CAIRO_STATUS_FILE_NOT_FOUND) { + cairo_test_log (ctx, "Error: Received status of \"%s\" rather than expected \"%s\"\n", + cairo_status_to_string (cairo_status (cr2)), + cairo_status_to_string (CAIRO_STATUS_FILE_NOT_FOUND)); + cairo_destroy (cr2); + return CAIRO_TEST_FAILURE; + } + + cairo_destroy (cr2); + + /* + * 2. Test NULL pointer pattern->cairo_t + */ + cr2 = cairo_create (cairo_get_target (cr)); + + /* First, trigger the NULL pointer status. */ + pattern = cairo_pattern_create_for_surface (NULL); + + /* Then let it propagate into the cairo_t. */ + cairo_set_source (cr2, pattern); + cairo_paint (cr2); + + cairo_pattern_destroy (pattern); + + /* Check that the error made it all that way. */ + if (cairo_status (cr2) != CAIRO_STATUS_NULL_POINTER) { + cairo_test_log (ctx, "Error: Received status of \"%s\" rather than expected \"%s\"\n", + cairo_status_to_string (cairo_status (cr2)), + cairo_status_to_string (CAIRO_STATUS_NULL_POINTER)); + cairo_destroy (cr2); + return CAIRO_TEST_FAILURE; + } + + cairo_destroy (cr2); + + /* + * 3. Test that cairo_surface_finish can accept NULL or a nil + * surface without crashing. + */ + + cairo_surface_finish (NULL); + + surface = cairo_image_surface_create_from_png ("___THIS_FILE_DOES_NOT_EXIST___"); + cairo_surface_finish (surface); + cairo_surface_destroy (surface); + + /* + * 4. OK, we're straying from the original name, but it's still a + * similar kind of testing of error paths. Here we're making sure + * we can still call a cairo_get_* function after triggering an + * INVALID_RESTORE error. + */ + cr2 = cairo_create (cairo_get_target (cr)); + + /* Trigger invalid restore. */ + cairo_restore (cr2); + if (cairo_status (cr2) != CAIRO_STATUS_INVALID_RESTORE) { + cairo_test_log (ctx, "Error: Received status of \"%s\" rather than expected \"%s\"\n", + cairo_status_to_string (cairo_status (cr2)), + cairo_status_to_string (CAIRO_STATUS_INVALID_RESTORE)); + cairo_destroy (cr2); + return CAIRO_TEST_FAILURE; + } + + /* Test that we can still call cairo_get_fill_rule without crashing. */ + cairo_get_fill_rule (cr2); + + cairo_destroy (cr2); + + /* + * 5. Create a cairo_t for the NULL surface. + */ + cr2 = cairo_create (NULL); + + if (cairo_status (cr2) != CAIRO_STATUS_NULL_POINTER) { + cairo_test_log (ctx, "Error: Received status of \"%s\" rather than expected \"%s\"\n", + cairo_status_to_string (cairo_status (cr2)), + cairo_status_to_string (CAIRO_STATUS_NULL_POINTER)); + cairo_destroy (cr2); + return CAIRO_TEST_FAILURE; + } + + /* Test that get_target returns something valid */ + if (cairo_get_target (cr2) == NULL) { + cairo_test_log (ctx, "Error: cairo_get_target() returned NULL\n"); + cairo_destroy (cr2); + return CAIRO_TEST_FAILURE; + } + + /* Test that push_group doesn't crash */ + cairo_push_group (cr2); + cairo_stroke (cr2); + pattern = cairo_pop_group (cr2); + cairo_pattern_destroy (pattern); + + cairo_destroy (cr2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (nil_surface, + "Test that nil surfaces do not make cairo crash.", + "api", /* keywords */ + NULL, /* requirements */ + 1, 1, + NULL, draw) diff --git a/test/operator-alpha-alpha.c b/test/operator-alpha-alpha.c new file mode 100644 index 000000000..2cef8585c --- /dev/null +++ b/test/operator-alpha-alpha.c @@ -0,0 +1,166 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* cairo - a vector graphics library with display and print output + * + * Copyright 2002 University of Southern California + * Copyright 2005 Red Hat, Inc. + * Copyright 2007 Emmanuel Pacaud + * Copyright 2008 Benjamin Otte + * Copyright 2008 Chris Wilson + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + * The Original Code is the cairo graphics library. + * + * The Initial Developer of the Original Code is University of Southern + * California. + * + * Contributor(s): + * Owen Taylor <otaylor@redhat.com> + * Kristian Høgsberg <krh@redhat.com> + * Emmanuel Pacaud <emmanuel.pacaud@lapp.in2p3.fr> + * Chris Wilson <chris@chris-wilson.co.uk> + * Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define STEPS 16 +#define START_OPERATOR CAIRO_OPERATOR_CLEAR +#define STOP_OPERATOR CAIRO_OPERATOR_HSL_LUMINOSITY + +#define SIZE 3 +#define COUNT 6 +#define FULL_WIDTH ((STEPS + 1) * COUNT - 1) +#define FULL_HEIGHT ((COUNT + STOP_OPERATOR - START_OPERATOR) / COUNT) * (STEPS + 1) + +static void +create_patterns (cairo_t *bg, cairo_t *fg) +{ + int x; + + for (x = 0; x < STEPS; x++) { + double i = (double) x / (STEPS - 1); + cairo_set_source_rgba (bg, 0, 0, 0, i); + cairo_rectangle (bg, x, 0, 1, STEPS); + cairo_fill (bg); + + cairo_set_source_rgba (fg, 0, 0, 0, i); + cairo_rectangle (fg, 0, x, STEPS, 1); + cairo_fill (fg); + } +} + +/* expects a STEP*STEP pixel rectangle */ +static void +do_composite (cairo_t *cr, cairo_operator_t op, cairo_surface_t *bg, cairo_surface_t *fg) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, bg, 0, 0); + cairo_paint (cr); + + cairo_set_operator (cr, op); + cairo_set_source_surface (cr, fg, 0, 0); + cairo_paint (cr); +} + +static void +subdraw (cairo_t *cr, int width, int height) +{ + size_t i = 0; + cairo_operator_t op; + cairo_t *bgcr, *fgcr; + cairo_surface_t *bg, *fg; + + bg = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_ALPHA, SIZE * STEPS, SIZE * STEPS); + fg = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_ALPHA, SIZE * STEPS, SIZE * STEPS); + bgcr = cairo_create (bg); + fgcr = cairo_create (fg); + cairo_scale (bgcr, SIZE, SIZE); + cairo_scale (fgcr, SIZE, SIZE); + create_patterns (bgcr, fgcr); + cairo_destroy (bgcr); + cairo_destroy (fgcr); + + for (op = START_OPERATOR; op <= STOP_OPERATOR; op++, i++) { + cairo_save (cr); + cairo_translate (cr, + SIZE * (STEPS + 1) * (i % COUNT), + SIZE * (STEPS + 1) * (i / COUNT)); + cairo_rectangle (cr, 0, 0, SIZE * (STEPS + 1), SIZE * (STEPS+1)); + cairo_clip (cr); + do_composite (cr, op, bg, fg); + cairo_restore (cr); + } + + cairo_surface_destroy (fg); + cairo_surface_destroy (bg); +} + + +static cairo_surface_t * +create_source (cairo_surface_t *target, int width, int height) +{ + cairo_surface_t *similar; + cairo_t *cr; + + similar = cairo_surface_create_similar (target, + CAIRO_CONTENT_ALPHA, + width, height); + cr = cairo_create (similar); + cairo_surface_destroy (similar); + + subdraw (cr, width, height); + + similar = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return similar; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *source; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + source = create_source (cairo_get_target (cr), width, height); + cairo_set_source_surface (cr, source, 0, 0); + cairo_surface_destroy (source); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (operator_alpha_alpha, + "Tests result of compositing pure-alpha surfaces" + "\nCompositing of pure-alpha sources is inconsistent across backends.", + "alpha, similar, operator", /* keywords */ + NULL, /* requirements */ + FULL_WIDTH * SIZE, FULL_HEIGHT * SIZE, + NULL, draw) diff --git a/test/operator-alpha.c b/test/operator-alpha.c new file mode 100644 index 000000000..1ce4ecdf2 --- /dev/null +++ b/test/operator-alpha.c @@ -0,0 +1,65 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define N_OPERATORS (CAIRO_OPERATOR_SATURATE + 1) +#define SIZE 10 +#define PAD 3 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + unsigned int n; + + cairo_translate (cr, PAD, PAD); + + for (n = 0; n < N_OPERATORS; n++) { + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_rectangle (cr, 0, 0, SIZE-PAD, SIZE-PAD); + cairo_fill (cr); + + cairo_set_source_rgba (cr, 0, 0, 1, .33); + cairo_set_operator (cr, n); + cairo_rectangle (cr, PAD, PAD, SIZE-PAD, SIZE-PAD); + cairo_fill (cr); + + cairo_translate (cr, SIZE+PAD, 0); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (operator_alpha, + "Tests using set_operator() with an non-opaque source", + "operator, alpha", /* keywords */ + NULL, /* requirements */ + (SIZE+PAD) * N_OPERATORS + PAD, SIZE + 2*PAD, + NULL, draw) diff --git a/test/operator-clear.c b/test/operator-clear.c new file mode 100644 index 000000000..72a32c219 --- /dev/null +++ b/test/operator-clear.c @@ -0,0 +1,196 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Kristian Høgsberg <krh@redhat.com> + * Owen Taylor <otaylor@redhat.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define WIDTH 16 +#define HEIGHT 16 +#define PAD 2 + +static void +set_solid_pattern (cairo_t *cr, int x, int y) +{ + cairo_set_source_rgb (cr, 1.0, 0, 0.0); +} + +static void +set_gradient_pattern (cairo_t *cr, int x, int y) +{ + cairo_pattern_t *pattern; + + pattern = cairo_pattern_create_linear (x, y, x + WIDTH, y + HEIGHT); + cairo_pattern_add_color_stop_rgba (pattern, 0.2, 1, 0, 0, 1); + cairo_pattern_add_color_stop_rgba (pattern, 0.8, 1, 0, 0, 0.0); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +static void +draw_mask (cairo_t *cr, int x, int y) +{ + cairo_surface_t *mask_surface; + cairo_t *cr2; + + double width = (int)(0.9 * WIDTH); + double height = (int)(0.9 * HEIGHT); + x += 0.05 * WIDTH; + y += 0.05 * HEIGHT; + + mask_surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask_surface); + cairo_surface_destroy (mask_surface); + + cairo_set_source_rgb (cr2, 1, 1, 1); /* white */ + + cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.45 * height, 0, 2 * M_PI); + cairo_fill (cr2); + + cairo_mask_surface (cr, cairo_get_target (cr2), x, y); + cairo_destroy (cr2); +} + +static void +draw_glyphs (cairo_t *cr, int x, int y) +{ + cairo_text_extents_t extents; + + cairo_set_font_size (cr, 0.8 * HEIGHT); + + cairo_text_extents (cr, "FG", &extents); + cairo_move_to (cr, + x + floor ((WIDTH - extents.width) / 2 + 0.5) - extents.x_bearing, + y + floor ((HEIGHT - extents.height) / 2 + 0.5) - extents.y_bearing); + cairo_show_text (cr, "FG"); +} + +static void +draw_polygon (cairo_t *cr, int x, int y) +{ + double width = (int)(0.9 * WIDTH); + double height = (int)(0.9 * HEIGHT); + x += 0.05 * WIDTH; + y += 0.05 * HEIGHT; + + cairo_new_path (cr); + cairo_move_to (cr, x, y); + cairo_line_to (cr, x, y + height); + cairo_line_to (cr, x + width / 2, y + 3 * height / 4); + cairo_line_to (cr, x + width, y + height); + cairo_line_to (cr, x + width, y); + cairo_line_to (cr, x + width / 2, y + height / 4); + cairo_close_path (cr); + cairo_fill (cr); +} + +static void +draw_rects (cairo_t *cr, int x, int y) +{ + double block_width = (int)(0.33 * WIDTH + 0.5); + double block_height = (int)(0.33 * HEIGHT + 0.5); + int i, j; + + for (i = 0; i < 3; i++) + for (j = 0; j < 3; j++) + if ((i + j) % 2 == 0) + cairo_rectangle (cr, + x + block_width * i, y + block_height * j, + block_width, block_height); + + cairo_fill (cr); +} + +static void (* const pattern_funcs[])(cairo_t *cr, int x, int y) = { + set_solid_pattern, + set_gradient_pattern, +}; + +static void (* const draw_funcs[])(cairo_t *cr, int x, int y) = { + draw_mask, + draw_glyphs, + draw_polygon, + draw_rects +}; + +#define IMAGE_WIDTH (ARRAY_LENGTH (pattern_funcs) * (WIDTH + PAD) + PAD) +#define IMAGE_HEIGHT (ARRAY_LENGTH (draw_funcs) * (HEIGHT + PAD) + PAD) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + size_t i, j, x, y; + cairo_pattern_t *pattern; + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + for (j = 0; j < ARRAY_LENGTH (draw_funcs); j++) { + for (i = 0; i < ARRAY_LENGTH (pattern_funcs); i++) { + x = i * (WIDTH + PAD) + PAD; + y = j * (HEIGHT + PAD) + PAD; + + cairo_save (cr); + + pattern = cairo_pattern_create_linear (x + WIDTH, y, + x, y + HEIGHT); + cairo_pattern_add_color_stop_rgba (pattern, 0.2, + 0.0, 0.0, 1.0, 1.0); /* Solid blue */ + cairo_pattern_add_color_stop_rgba (pattern, 0.8, + 0.0, 0.0, 1.0, 0.0); /* Transparent blue */ + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + cairo_rectangle (cr, x, y, WIDTH, HEIGHT); + cairo_fill_preserve (cr); + cairo_clip (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + pattern_funcs[i] (cr, x, y); + draw_funcs[j] (cr, x, y); + if (cairo_status (cr)) + cairo_test_log (ctx, "%d %d HERE!\n", (int)i, (int)j); + + cairo_restore (cr); + } + } + + if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) + cairo_test_log (ctx, "%d %d .HERE!\n", (int)i, (int)j); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (operator_clear, + "Test of CAIRO_OPERATOR_CLEAR", + "operator", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/operator-source.c b/test/operator-source.c new file mode 100644 index 000000000..9330a65d1 --- /dev/null +++ b/test/operator-source.c @@ -0,0 +1,250 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Kristian Høgsberg <krh@redhat.com> + * Owen Taylor <otaylor@redhat.com> + * Uli Schlachter <psychon@znc.in> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define WIDTH 16 +#define HEIGHT 16 +#define PAD 2 + +static void +set_solid_pattern (cairo_t *cr, int x, int y) +{ + cairo_set_source_rgb (cr, 1.0, 0, 0.0); +} + +static void +set_translucent_pattern (cairo_t *cr, int x, int y) +{ + cairo_set_source_rgba (cr, 1, 0, 0, 0.5); +} + +static void +set_gradient_pattern (cairo_t *cr, int x, int y) +{ + cairo_pattern_t *pattern; + + pattern = cairo_pattern_create_linear (x, y, x + WIDTH, y + HEIGHT); + cairo_pattern_add_color_stop_rgba (pattern, 0.2, 1, 0, 0, 1); + cairo_pattern_add_color_stop_rgba (pattern, 0.8, 1, 0, 0, 0.0); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +static void +set_surface_pattern (cairo_t *cr, int x, int y) +{ + cairo_surface_t *source_surface; + cairo_t *cr2; + + double width = (int)(0.6 * WIDTH); + double height = (int)(0.6 * HEIGHT); + x += 0.2 * WIDTH; + y += 0.2 * HEIGHT; + + source_surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + width, height); + cr2 = cairo_create (source_surface); + cairo_surface_destroy (source_surface); + + cairo_set_source_rgb (cr2, 1, 0, 0); /* red */ + cairo_paint (cr2); + + cairo_set_source_rgb (cr2, 1, 1, 1); /* white */ + + cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.5 * height, 0, 2 * M_PI); + cairo_fill (cr2); + + cairo_set_source_surface (cr, cairo_get_target (cr2), x, y); + cairo_destroy (cr2); +} + +static void +draw_mask (cairo_t *cr, int x, int y) +{ + cairo_surface_t *mask_surface; + cairo_t *cr2; + + double width = (int)(0.9 * WIDTH); + double height = (int)(0.9 * HEIGHT); + x += 0.05 * WIDTH; + y += 0.05 * HEIGHT; + + mask_surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask_surface); + cairo_surface_destroy (mask_surface); + + cairo_set_source_rgb (cr2, 1, 1, 1); /* white */ + + cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.45 * height, 0, 2 * M_PI); + cairo_fill (cr2); + + cairo_mask_surface (cr, cairo_get_target (cr2), x, y); + cairo_destroy (cr2); +} + +static void +draw_glyphs (cairo_t *cr, int x, int y) +{ + cairo_text_extents_t extents; + + cairo_set_font_size (cr, 0.8 * HEIGHT); + + cairo_text_extents (cr, "FG", &extents); + cairo_move_to (cr, + x + floor ((WIDTH - extents.width) / 2 + 0.5) - extents.x_bearing, + y + floor ((HEIGHT - extents.height) / 2 + 0.5) - extents.y_bearing); + cairo_show_text (cr, "FG"); +} + +static void +draw_polygon (cairo_t *cr, int x, int y) +{ + double width = (int)(0.9 * WIDTH); + double height = (int)(0.9 * HEIGHT); + x += 0.05 * WIDTH; + y += 0.05 * HEIGHT; + + cairo_new_path (cr); + cairo_move_to (cr, x, y); + cairo_line_to (cr, x, y + height); + cairo_line_to (cr, x + width / 2, y + 3 * height / 4); + cairo_line_to (cr, x + width, y + height); + cairo_line_to (cr, x + width, y); + cairo_line_to (cr, x + width / 2, y + height / 4); + cairo_close_path (cr); + cairo_fill (cr); +} + +static void +draw_rects (cairo_t *cr, int x, int y, double offset) +{ + double block_width = (int)(0.33 * WIDTH + 0.5) - offset/3; + double block_height = (int)(0.33 * HEIGHT + 0.5) - offset/3; + int i, j; + + x += offset/2; + y += offset/2; + + for (i = 0; i < 3; i++) + for (j = 0; j < 3; j++) + if ((i + j) % 2 == 0) + cairo_rectangle (cr, + x + block_width * i, y + block_height * j, + block_width, block_height); + + cairo_fill (cr); +} + +static void +draw_aligned_rects (cairo_t *cr, int x, int y) +{ + draw_rects (cr, x, y, 0); +} + +static void +draw_unaligned_rects (cairo_t *cr, int x, int y) +{ + draw_rects (cr, x, y, 2.1); +} + +static void (* const pattern_funcs[])(cairo_t *cr, int x, int y) = { + set_solid_pattern, + set_translucent_pattern, + set_gradient_pattern, + set_surface_pattern, +}; + +static void (* const draw_funcs[])(cairo_t *cr, int x, int y) = { + draw_mask, + draw_glyphs, + draw_polygon, + draw_aligned_rects, + draw_unaligned_rects +}; + +#define IMAGE_WIDTH (ARRAY_LENGTH (pattern_funcs) * (WIDTH + PAD) + PAD) +#define IMAGE_HEIGHT (ARRAY_LENGTH (draw_funcs) * (HEIGHT + PAD) + PAD) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + size_t i, j, x, y; + cairo_pattern_t *pattern; + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + for (j = 0; j < ARRAY_LENGTH (draw_funcs); j++) { + for (i = 0; i < ARRAY_LENGTH (pattern_funcs); i++) { + x = i * (WIDTH + PAD) + PAD; + y = j * (HEIGHT + PAD) + PAD; + + cairo_save (cr); + + pattern = cairo_pattern_create_linear (x + WIDTH, y, + x, y + HEIGHT); + cairo_pattern_add_color_stop_rgba (pattern, 0.2, + 0.0, 0.0, 1.0, 1.0); /* Solid blue */ + cairo_pattern_add_color_stop_rgba (pattern, 0.8, + 0.0, 0.0, 1.0, 0.0); /* Transparent blue */ + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + cairo_rectangle (cr, x, y, WIDTH, HEIGHT); + cairo_fill_preserve (cr); + cairo_clip (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + pattern_funcs[i] (cr, x, y); + draw_funcs[j] (cr, x, y); + if (cairo_status (cr)) + cairo_test_log (ctx, "%d %d HERE!\n", (int)i, (int)j); + + cairo_restore (cr); + } + } + + if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) + cairo_test_log (ctx, "%d %d .HERE!\n", (int)i, (int)j); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (operator_source, + "Test of CAIRO_OPERATOR_SOURCE", + "operator", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/operator.c b/test/operator.c new file mode 100644 index 000000000..666fcafd6 --- /dev/null +++ b/test/operator.c @@ -0,0 +1,65 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define N_OPERATORS (CAIRO_OPERATOR_SATURATE + 1) +#define SIZE 10 +#define PAD 3 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + unsigned int n; + + cairo_translate (cr, PAD, PAD); + + for (n = 0; n < N_OPERATORS; n++) { + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_rectangle (cr, 0, 0, SIZE-PAD, SIZE-PAD); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_set_operator (cr, n); + cairo_rectangle (cr, PAD, PAD, SIZE-PAD, SIZE-PAD); + cairo_fill (cr); + + cairo_translate (cr, SIZE+PAD, 0); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (operator, + "Tests using set_operator()", + "operator", /* keywords */ + NULL, /* requirements */ + (SIZE+PAD) * N_OPERATORS + PAD, SIZE + 2*PAD, + NULL, draw) diff --git a/test/outline-tolerance.c b/test/outline-tolerance.c new file mode 100644 index 000000000..6453f5c96 --- /dev/null +++ b/test/outline-tolerance.c @@ -0,0 +1,52 @@ +/* + * Copyright © 2012 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* An assertion failure found by Rico Tzschichholz */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_set_line_width (cr, 200); + cairo_set_miter_limit (cr, 1.5); + cairo_rectangle (cr, 100, 25, 1000, 0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (outline_tolerance, + "Rectangle drawn incorrectly when it has zero height and miter limit greater than 1.414", + "stroke", /* keywords */ + NULL, /* requirements */ + 100, 50, + NULL, draw) diff --git a/test/over-above-source.c b/test/over-above-source.c new file mode 100644 index 000000000..7191c8da3 --- /dev/null +++ b/test/over-above-source.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 40 +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + +/* This test is designed to explore the interactions of "native" and + * "fallback" objects. For the ps surface, OVER with non-1.0 opacity + * will be a fallback while SOURCE will be native. For the pdf + * surface, it's the reverse where OVER is native while SOURCE is a + * fallback. */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, PAD, PAD); + + /* A red triangle with SOURCE */ + cairo_move_to (cr, SIZE / 2, SIZE / 2); + cairo_rel_line_to (cr, SIZE / 2, 0); + cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2); + cairo_close_path (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */ + + cairo_fill (cr); + + /* A green circle with OVER */ + cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 4, 0., 2. * M_PI); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */ + + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (over_above_source, + "A simple test drawing a circle with OVER after a triangle drawn with SOURCE", + "operator", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/over-around-source.c b/test/over-around-source.c new file mode 100644 index 000000000..531eda804 --- /dev/null +++ b/test/over-around-source.c @@ -0,0 +1,83 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 40 +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + +/* This test is designed to explore the interactions of "native" and + * "fallback" objects. For the ps surface, OVER with non-1.0 opacity + * will be a fallback while SOURCE will be native. For the pdf + * surface, it's the reverse where OVER is native while SOURCE is a + * fallback. */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, PAD, PAD); + + /* A green triangle with OVER */ + cairo_move_to (cr, SIZE / 5, SIZE / 5); + cairo_rel_line_to (cr, SIZE / 2, 0); + cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2); + cairo_close_path (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */ + + cairo_fill (cr); + + /* A red circle with SOURCE */ + cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 4, 0., 2. * M_PI); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */ + + cairo_fill (cr); + + /* Another green triangle with OVER */ + cairo_move_to (cr, SIZE / 2, SIZE / 2); + cairo_rel_line_to (cr, SIZE / 2, 0); + cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2); + cairo_close_path (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */ + + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (over_around_source, + "A simple test drawing a triangle with SOURCE between two circles drawn with OVER", + "operator", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/over-below-source.c b/test/over-below-source.c new file mode 100644 index 000000000..7fe5bd889 --- /dev/null +++ b/test/over-below-source.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 40 +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + +/* This test is designed to explore the interactions of "native" and + * "fallback" objects. For the ps surface, OVER with non-1.0 opacity + * will be a fallback while SOURCE will be native. For the pdf + * surface, it's the reverse where OVER is native while SOURCE is a + * fallback. */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, PAD, PAD); + + /* A green circle with OVER */ + cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 4, 0., 2. * M_PI); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */ + + cairo_fill (cr); + + /* A red triangle with SOURCE */ + cairo_move_to (cr, SIZE / 2, SIZE / 2); + cairo_line_to (cr, SIZE, SIZE / 2); + cairo_line_to (cr, SIZE / 2, SIZE); + cairo_close_path (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */ + + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (over_below_source, + "A simple test drawing a circle with OVER before a triangle drawn with SOURCE", + "operator", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/over-between-source.c b/test/over-between-source.c new file mode 100644 index 000000000..ffb657208 --- /dev/null +++ b/test/over-between-source.c @@ -0,0 +1,83 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 40 +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + +/* This test is designed to explore the interactions of "native" and + * "fallback" objects. For the ps surface, OVER with non-1.0 opacity + * will be a fallback while SOURCE will be native. For the pdf + * surface, it's the reverse where OVER is native while SOURCE is a + * fallback. */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, PAD, PAD); + + /* A red triangle with SOURCE */ + cairo_move_to (cr, SIZE / 5, SIZE / 5); + cairo_rel_line_to (cr, SIZE / 2, 0); + cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2); + cairo_close_path (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */ + + cairo_fill (cr); + + /* A green circle with OVER */ + cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 4, 0., 2. * M_PI); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */ + + cairo_fill (cr); + + /* Another red triangle with SOURCE */ + cairo_move_to (cr, SIZE / 2, SIZE / 2); + cairo_rel_line_to (cr, SIZE / 2, 0); + cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2); + cairo_close_path (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */ + + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (over_between_source, + "A simple test drawing a circle with OVER between two triangles drawn with SOURCE", + "operator", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/overlapping-boxes.c b/test/overlapping-boxes.c new file mode 100644 index 000000000..92211ee06 --- /dev/null +++ b/test/overlapping-boxes.c @@ -0,0 +1,96 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* Not strictly overlapping, but it does highlight the error in + * an optimisation of fill-box handling that I frequently am + * tempted to write. + */ + +#include "cairo-test.h" + +#define WIDTH (20) +#define HEIGHT (20) + +static void +border (cairo_t *cr) +{ + cairo_rectangle (cr, 1, 1, 8, 8); + cairo_rectangle (cr, 1.25, 1.25, 7.5, 7.5); + cairo_rectangle (cr, 1.75, 1.75, 6.5, 6.5); + cairo_rectangle (cr, 2, 2, 6, 6); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + border (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_fill (cr); + + cairo_translate (cr, 10, 0); + + border (cr); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_fill (cr); + + cairo_translate (cr, 0, 10); + + cairo_rectangle (cr, 0, 0, 10, 10); + cairo_clip (cr); + + border (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + cairo_fill (cr); + + cairo_reset_clip (cr); + + cairo_translate (cr, -10, 0); + + cairo_rectangle (cr, 0, 0, 10, 10); + cairo_clip (cr); + + border (cr); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (overlapping_boxes, + "A sub-pixel double border to highlight the danger in an easy optimisation", + "fill", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/overlapping-dash-caps.c b/test/overlapping-dash-caps.c new file mode 100644 index 000000000..f7ba248c2 --- /dev/null +++ b/test/overlapping-dash-caps.c @@ -0,0 +1,67 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 100 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + double dashes1[] = {20, 10}; + double dashes2[] = {10, 1}; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_line_width (cr, 15); + + cairo_set_dash (cr, dashes1, 2, 0); + cairo_new_sub_path (cr); + cairo_arc (cr, SIZE/2, SIZE/2, SIZE/2-10, 0, 2*M_PI); + + cairo_set_source_rgba (cr, 1, 0, 0, 0.5); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_stroke (cr); + + cairo_set_dash (cr, dashes2, 2, 0); + cairo_new_sub_path (cr); + cairo_arc (cr, SIZE/2, SIZE/2, SIZE/4-5, 0, 2*M_PI); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_source_rgba (cr, 0, 1, 0, 0.5); + cairo_stroke (cr); + + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (overlapping_dash_caps, + "Test intersections between neighbouring dash segments", + "overlap, dash", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/overlapping-glyphs.c b/test/overlapping-glyphs.c new file mode 100644 index 000000000..93067abc7 --- /dev/null +++ b/test/overlapping-glyphs.c @@ -0,0 +1,123 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#include <assert.h> + +#define TEXT_SIZE 12 +#define HEIGHT (TEXT_SIZE + 4) +#define WIDTH 50 + +#define MAX_GLYPHS 80 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_glyph_t glyphs_stack[MAX_GLYPHS], *glyphs; + const char *cairo = "Cairo"; + const char *giza = "Giza"; + cairo_text_extents_t cairo_extents; + cairo_text_extents_t giza_extents; + int count, num_glyphs; + double x0, y0; + + /* We draw in the default black, so paint white first. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + /* We want to overlap two strings, so compute overlapping glyphs. */ + + cairo_text_extents (cr, cairo, &cairo_extents); + cairo_text_extents (cr, giza, &giza_extents); + + x0 = WIDTH/2. - (cairo_extents.width/2. + cairo_extents.x_bearing); + y0 = HEIGHT/2. - (cairo_extents.height/2. + cairo_extents.y_bearing); + glyphs = glyphs_stack; + count = MAX_GLYPHS; + cairo_scaled_font_text_to_glyphs (cairo_get_scaled_font (cr), + x0, y0, + cairo, strlen (cairo), + &glyphs, &count, + NULL, NULL, + NULL); + assert (glyphs == glyphs_stack); + num_glyphs = count; + + x0 = WIDTH/2. - (giza_extents.width/2. + giza_extents.x_bearing); + y0 = HEIGHT/2. - (giza_extents.height/2. + giza_extents.y_bearing); + glyphs = glyphs_stack + count; + count = MAX_GLYPHS - count; + cairo_scaled_font_text_to_glyphs (cairo_get_scaled_font (cr), + x0, y0, + giza, strlen (giza), + &glyphs, &count, + NULL, NULL, + NULL); + assert (glyphs == glyphs_stack + num_glyphs); + glyphs = glyphs_stack; + num_glyphs += count; + + cairo_set_source_rgba (cr, 0, 0, 0, .5); /* translucent black, gray! */ + cairo_show_glyphs (cr, glyphs, num_glyphs); + + /* and compare with filling */ + cairo_translate (cr, 0, HEIGHT); + cairo_glyph_path (cr, glyphs, num_glyphs); + cairo_fill (cr); + + /* switch to using an unbounded operator for added complexity */ + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + + cairo_translate (cr, WIDTH, -HEIGHT); + cairo_save (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + cairo_show_glyphs (cr, glyphs, num_glyphs); + cairo_restore (cr); + + cairo_translate (cr, 0, HEIGHT); + cairo_save (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + cairo_glyph_path (cr, glyphs, num_glyphs); + cairo_fill (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (overlapping_glyphs, + "Test handing of overlapping glyphs", + "text, glyphs", /* keywords */ + NULL, /* requirements */ + 2 * WIDTH, 2 * HEIGHT, + NULL, draw) + diff --git a/test/paint-clip-fill.c b/test/paint-clip-fill.c new file mode 100644 index 000000000..5a9e24ffb --- /dev/null +++ b/test/paint-clip-fill.c @@ -0,0 +1,106 @@ +/* + * Copyright 2011 SCore Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Taekyun Kim <podain77@gmail.com> + */ + +#include "cairo-test.h" + +static void +rounded_rectangle(cairo_t *cr, + double x, double y, + double width, double height, + double radius) +{ + cairo_move_to (cr, x, y + radius); + cairo_line_to (cr, x, y + height - radius); + cairo_curve_to (cr, x, y + height - radius/2.0, + x + radius/2.0, y + height, + x + radius, y + height); + cairo_line_to (cr, x + width - radius, y + height); + cairo_curve_to (cr, x + width - radius/2.0, y + height, + x + width, y + height - radius/2.0, + x + width, y + height - radius); + cairo_line_to (cr, x + width, y + radius); + cairo_curve_to (cr, x + width, y + radius/2.0, + x + width - radius/2.0, y, + x + width - radius, y); + cairo_line_to (cr, x + radius, y); + cairo_curve_to (cr, x + radius/2.0, y, x, y + radius/2.0, x, y + radius); + cairo_close_path(cr); +} + +static cairo_test_status_t +draw_mono (cairo_t *cr, int width, int height) +{ + cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE); + cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); + cairo_paint(cr); + + cairo_rectangle(cr, 20, 20, 60, 60); + cairo_clip(cr); + + rounded_rectangle(cr, 0, 0, 100, 100, 10); + cairo_clip(cr); + + cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 1.0); + cairo_set_operator(cr, CAIRO_OPERATOR_OVER); + cairo_paint(cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_aa (cairo_t *cr, int width, int height) +{ + cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT); + cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); + cairo_paint(cr); + + cairo_rectangle(cr, 20, 20, 60, 60); + cairo_clip(cr); + + rounded_rectangle(cr, 0, 0, 100, 100, 10); + cairo_clip(cr); + + cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 1.0); + cairo_set_operator(cr, CAIRO_OPERATOR_OVER); + cairo_paint(cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (paint_clip_fill_mono, + "Test reduction of a paint with a clip", + "paint, clip", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, draw_mono) +CAIRO_TEST (paint_clip_fill_aa, + "Test reduction of a paint with a clip", + "paint, clip", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, draw_aa) diff --git a/test/paint-repeat.c b/test/paint-repeat.c new file mode 100644 index 000000000..c48d84c0e --- /dev/null +++ b/test/paint-repeat.c @@ -0,0 +1,61 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff + }; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + /* We use a non-zero offset larger than the source surface size to + * stress cairo out a bit more. */ + cairo_set_source_surface (cr, surface, 10, 10); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_paint (cr); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (paint_repeat, + "Test calls to cairo_paint with a repeating source surface pattern", + "paint", /* keywords */ + NULL, /* requirements */ + 8, 8, + NULL, draw) diff --git a/test/paint-source-alpha.c b/test/paint-source-alpha.c new file mode 100644 index 000000000..cb2d488ca --- /dev/null +++ b/test/paint-source-alpha.c @@ -0,0 +1,63 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + uint32_t data[16] = { + 0x80808080, 0x80808080, 0x80800000, 0x80800000, + 0x80808080, 0x80808080, 0x80800000, 0x80800000, + + 0x80008000, 0x80008000, 0x80000080, 0x80000080, + 0x80008000, 0x80008000, 0x80000080, 0x80000080 + }; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_ARGB32, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint (cr); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (paint_source_alpha, + "Simple test of cairo_paint with a source surface with non-opaque alpha", + "paint, alpha", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, draw) diff --git a/test/paint-with-alpha-group-clip.c b/test/paint-with-alpha-group-clip.c new file mode 100644 index 000000000..e1e438330 --- /dev/null +++ b/test/paint-with-alpha-group-clip.c @@ -0,0 +1,60 @@ +/* + * Copyright © 2013 Adrian Johnson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +/* + * This attempts to exercise the bug found in + * + * https://bugs.launchpad.net/inkscape/+bug/1258265 + */ + + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_push_group (cr); + cairo_push_group (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + cairo_pop_group_to_source (cr); + cairo_paint_with_alpha (cr, 0.25); + cairo_pop_group_to_source (cr); + cairo_rectangle (cr, 5, 5, 20, 20); + cairo_clip (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (paint_with_alpha_group_clip, + "Test paint with alpha and clipping", + "paint alpha clip group record", /* keywords */ + NULL, /* requirements */ + 30, 30, + NULL, draw) diff --git a/test/paint-with-alpha.c b/test/paint-with-alpha.c new file mode 100644 index 000000000..8daa935f7 --- /dev/null +++ b/test/paint-with-alpha.c @@ -0,0 +1,148 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff +}; +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_solid_clip (cairo_t *cr, int width, int height) +{ + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 2.5, 2.5, 27, 27); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1., 0.,0.); + cairo_paint_with_alpha (cr, 0.5); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_clip (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 10.5, 10.5, 11, 11); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_clip_mask (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_move_to (cr, 16, 5); + cairo_line_to (cr, 5, 16); + cairo_line_to (cr, 16, 27); + cairo_line_to (cr, 27, 16); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (paint_with_alpha, + "Simple test of cairo_paint_with_alpha", + "paint, alpha", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, draw) +CAIRO_TEST (paint_with_alpha_solid_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, draw_solid_clip) +CAIRO_TEST (paint_with_alpha_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, draw_clip) +CAIRO_TEST (paint_with_alpha_clip_mask, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, draw_clip_mask) diff --git a/test/paint.c b/test/paint.c new file mode 100644 index 000000000..c5fd648e3 --- /dev/null +++ b/test/paint.c @@ -0,0 +1,48 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_translate (cr, 2, 2); + cairo_scale (cr, 0.5, 0.5); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (paint, + "Test calls to cairo_paint", + "paint", /* keywords */ + NULL, /* requirements */ + 8, 8, + NULL, draw) diff --git a/test/partial-clip-text.c b/test/partial-clip-text.c new file mode 100644 index 000000000..4d8bae077 --- /dev/null +++ b/test/partial-clip-text.c @@ -0,0 +1,120 @@ +/* + * Copyright 2010 Igor Nikitin + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Igor Nikitin <igor_nikitin@valentina-db.com> + */ + +#include "cairo-test.h" + +#define HEIGHT 15 +#define WIDTH 40 + +static void background (cairo_t *cr) +{ + cairo_set_source_rgb( cr, 0, 0, 0 ); + cairo_paint (cr); +} + +static void text (cairo_t *cr) +{ + cairo_move_to (cr, 0, 12); + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_show_text (cr, "CAIRO"); +} + +static cairo_test_status_t +top (cairo_t *cr, int width, int height) +{ + background (cr); + + cairo_rectangle (cr, 0, 0, WIDTH, 5); + cairo_clip (cr); + + text (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +bottom (cairo_t *cr, int width, int height) +{ + background (cr); + + cairo_rectangle (cr, 0, HEIGHT-5, WIDTH, 5); + cairo_clip (cr); + + text (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +left (cairo_t *cr, int width, int height) +{ + background (cr); + + cairo_rectangle (cr, 0, 0, 10, HEIGHT); + cairo_clip (cr); + + text (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +right (cairo_t *cr, int width, int height) +{ + background (cr); + + cairo_rectangle (cr, WIDTH-10, 0, 10, HEIGHT); + cairo_clip (cr); + + text (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (partial_clip_text_top, + "Tests drawing text through a single, partial clip.", + "clip, text", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, top) +CAIRO_TEST (partial_clip_text_bottom, + "Tests drawing text through a single, partial clip.", + "clip, text", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, bottom) +CAIRO_TEST (partial_clip_text_left, + "Tests drawing text through a single, partial clip.", + "clip, text", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, left) +CAIRO_TEST (partial_clip_text_right, + "Tests drawing text through a single, partial clip.", + "clip, text", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, right) diff --git a/test/partial-coverage.c b/test/partial-coverage.c new file mode 100644 index 000000000..7e67a5e16 --- /dev/null +++ b/test/partial-coverage.c @@ -0,0 +1,680 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* Test the sampling stratagems of the rasterisers by creating pixels + * containing minute holes and seeing how close to the expected + * coverage each rasteriser approaches. + */ + +#define SIZE 64 + +#include "../src/cairo-fixed-type-private.h" +#define SAMPLE (1 << CAIRO_FIXED_FRAC_BITS) + +static uint32_t state; + +static uint32_t +hars_petruska_f54_1_random (void) +{ +#define rol(x,k) ((x << k) | (x >> (32-k))) + return state = (state ^ rol (state, 5) ^ rol (state, 24)) + 0x37798849; +#undef rol +} + +static double +uniform_random (void) +{ + return hars_petruska_f54_1_random() / (double) UINT32_MAX; +} + +/* coverage is given in [0,sample] */ +static void +compute_occupancy (uint8_t *occupancy, int coverage, int sample) +{ + int i, c; + + if (coverage < sample/2) { + memset (occupancy, 0, sample); + if (coverage == 0) + return; + + for (i = c = 0; i < sample; i++) { + if ((sample - i) * uniform_random() < coverage - c) { + occupancy[i] = 0xff; + if (++c == coverage) + return; + } + } + } else { + coverage = sample - coverage; + memset (occupancy, 0xff, sample); + if (coverage == 0) + return; + + for (i = c = 0; i < sample; i++) { + if ((sample - i) * uniform_random() < coverage - c) { + occupancy[i] = 0; + if (++c == coverage) + return; + } + } + } +} + +static cairo_test_status_t +reference (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + for (i = 0; i < SIZE*SIZE; i++) { + cairo_set_source_rgba (cr, 1., 1., 1., + i / (double) (SIZE * SIZE)); + cairo_rectangle (cr, i % SIZE, i / SIZE, 1, 1); + cairo_fill (cr); + } + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +three_quarter_reference (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + for (i = 0; i < SIZE*SIZE; i++) { + cairo_set_source_rgba (cr, 1., 1., 1., + .75 * i / (double) (SIZE * SIZE)); + cairo_rectangle (cr, i % SIZE, i / SIZE, 1, 1); + cairo_fill (cr); + } + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +half_reference (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + for (i = 0; i < SIZE*SIZE; i++) { + cairo_set_source_rgba (cr, 1., 1., 1., + .5 * i / (double) (SIZE * SIZE)); + cairo_rectangle (cr, i % SIZE, i / SIZE, 1, 1); + cairo_fill (cr); + } + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +rectangles (cairo_t *cr, int width, int height) +{ + uint8_t *occupancy; + int i, j, channel; + + state = 0x12345678; + occupancy = xmalloc (SAMPLE*SAMPLE); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (i = 0; i < SIZE*SIZE; i++) { + int xs, ys; + + compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE); + + xs = i % SIZE * SAMPLE; + ys = i / SIZE * SAMPLE; + for (j = 0; j < SAMPLE*SAMPLE; j++) { + if (occupancy[j]) { + cairo_rectangle (cr, + (j % SAMPLE + xs) / (double) SAMPLE, + (j / SAMPLE + ys) / (double) SAMPLE, + 1 / (double) SAMPLE, + 1 / (double) SAMPLE); + } + } + cairo_fill (cr); + } + } + + free (occupancy); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +intersecting_quads (cairo_t *cr, int width, int height) +{ + uint8_t *occupancy; + int i, j, channel; + + state = 0x12345678; + occupancy = xmalloc (SAMPLE*SAMPLE); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (i = 0; i < SIZE*SIZE; i++) { + int xs, ys; + + compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE); + + xs = i % SIZE * SAMPLE; + ys = i / SIZE * SAMPLE; + for (j = 0; j < SAMPLE*SAMPLE; j++) { + if (occupancy[j]) { + cairo_move_to (cr, + (j % SAMPLE + xs) / (double) SAMPLE, + (j / SAMPLE + ys) / (double) SAMPLE); + cairo_rel_line_to (cr, 1 / (double) SAMPLE, 1 / (double) SAMPLE); + cairo_rel_line_to (cr, 0, -1 / (double) SAMPLE); + cairo_rel_line_to (cr, -1 / (double) SAMPLE, 1 / (double) SAMPLE); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } + } + + free (occupancy); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +half_triangles (cairo_t *cr, int width, int height) +{ + uint8_t *occupancy; + int i, j, channel; + + state = 0x12345678; + occupancy = xmalloc (SAMPLE*SAMPLE); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (i = 0; i < SIZE*SIZE; i++) { + int xs, ys; + + compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE); + + xs = i % SIZE * SAMPLE; + ys = i / SIZE * SAMPLE; + for (j = 0; j < SAMPLE*SAMPLE; j++) { + if (occupancy[j]) { + int x = j % SAMPLE + xs; + int y = j / SAMPLE + ys; + cairo_move_to (cr, x / (double) SAMPLE, y / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, y / (double) SAMPLE); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } + } + + free (occupancy); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +overlap_half_triangles (cairo_t *cr, int width, int height) +{ + uint8_t *occupancy; + int i, j, channel; + + state = 0x12345678; + occupancy = xmalloc (SAMPLE*SAMPLE); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (i = 0; i < SIZE*SIZE; i++) { + int xs, ys; + + compute_occupancy (occupancy, SAMPLE/2*SAMPLE/2 * i / (SIZE * SIZE), SAMPLE/2*SAMPLE/2); + + xs = i % SIZE * SAMPLE; + ys = i / SIZE * SAMPLE; + for (j = 0; j < SAMPLE/2*SAMPLE/2; j++) { + if (occupancy[j]) { + int x = 2 * (j % (SAMPLE/2)) + xs; + int y = 2 * (j / (SAMPLE/2)) + ys; + + /* Add a 4-tile composed of two overlapping triangles. + * .__.__. + * |\ /| + * | \ / | + * . x | + * | / \ | + * |/ \| + * . . + * + * Coverage should be computable as 50% (due to counter-winding). + */ + + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x) / (double) SAMPLE, (y+2) / (double) SAMPLE); + cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_close_path (cr); + + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x+2) / (double) SAMPLE, (y+2) / (double) SAMPLE); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } + } + + free (occupancy); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +overlap_half_triangles_eo (cairo_t *cr, int width, int height) +{ + uint8_t *occupancy; + int i, j, channel; + + state = 0x12345678; + occupancy = xmalloc (SAMPLE*SAMPLE); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (i = 0; i < SIZE*SIZE; i++) { + int xs, ys; + + compute_occupancy (occupancy, SAMPLE/2*SAMPLE/2 * i / (SIZE * SIZE), SAMPLE/2*SAMPLE/2); + + xs = i % SIZE * SAMPLE; + ys = i / SIZE * SAMPLE; + for (j = 0; j < SAMPLE/2*SAMPLE/2; j++) { + if (occupancy[j]) { + int x = 2 * (j % (SAMPLE/2)) + xs; + int y = 2 * (j / (SAMPLE/2)) + ys; + + /* Add a 4-tile composed of two overlapping triangles. + * .__.__. + * |\ /| + * | \ / | + * . x | + * | / \ | + * |/ \| + * . . + * + * Coverage should be computable as 50%, due to even-odd fill rule. + */ + + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x) / (double) SAMPLE, (y+2) / (double) SAMPLE); + cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_close_path (cr); + + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x+2) / (double) SAMPLE, (y+2) / (double) SAMPLE); + cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } + } + + free (occupancy); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +overlap_three_quarter_triangles (cairo_t *cr, int width, int height) +{ + uint8_t *occupancy; + int i, j, channel; + + state = 0x12345678; + occupancy = xmalloc (SAMPLE*SAMPLE); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (i = 0; i < SIZE*SIZE; i++) { + int xs, ys; + + compute_occupancy (occupancy, SAMPLE/2*SAMPLE/2 * i / (SIZE * SIZE), SAMPLE/2*SAMPLE/2); + + xs = i % SIZE * SAMPLE; + ys = i / SIZE * SAMPLE; + for (j = 0; j < SAMPLE/2*SAMPLE/2; j++) { + if (occupancy[j]) { + int x = 2 * (j % (SAMPLE/2)) + xs; + int y = 2 * (j / (SAMPLE/2)) + ys; + + /* Add a 4-tile composed of two overlapping triangles. + * .__.__. + * |\ /| + * | \ / | + * . x | + * | / \ | + * |/ \| + * . . + * + * Coverage should be computable as 75%. + */ + + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x) / (double) SAMPLE, (y+2) / (double) SAMPLE); + cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_close_path (cr); + + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x+2) / (double) SAMPLE, (y+2) / (double) SAMPLE); + cairo_line_to (cr, (x+2) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } + } + + free (occupancy); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +triangles (cairo_t *cr, int width, int height) +{ + uint8_t *occupancy; + int i, j, channel; + + state = 0x12345678; + occupancy = xmalloc (SAMPLE*SAMPLE); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (i = 0; i < SIZE*SIZE; i++) { + int xs, ys; + + compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE); + + xs = i % SIZE * SAMPLE; + ys = i / SIZE * SAMPLE; + for (j = 0; j < SAMPLE*SAMPLE; j++) { + if (occupancy[j]) { + /* Add a tile composed of two non-overlapping triangles. + * .__. + * | /| + * |/ | + * .--. + */ + int x = j % SAMPLE + xs; + int y = j / SAMPLE + ys; + + /* top-left triangle */ + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_close_path (cr); + + /* bottom-right triangle */ + cairo_move_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } + } + + free (occupancy); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +intersecting_triangles (cairo_t *cr, int width, int height) +{ + uint8_t *occupancy; + int i, j, channel; + + state = 0x12345678; + occupancy = xmalloc (SAMPLE*SAMPLE); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + for (channel = 0; channel < 3; channel++) { + switch (channel) { + default: + case 0: cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); break; + case 1: cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); break; + case 2: cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); break; + } + + for (i = 0; i < SIZE*SIZE; i++) { + int xs, ys; + + compute_occupancy (occupancy, SAMPLE*SAMPLE * i / (SIZE * SIZE), SAMPLE*SAMPLE); + + xs = i % SIZE * SAMPLE; + ys = i / SIZE * SAMPLE; + for (j = 0; j < SAMPLE*SAMPLE; j++) { + if (occupancy[j]) { + /* Add 2 overlapping tiles in a single cell, each composed + * of two non-overlapping triangles. + * .--. .--. + * | /| |\ | + * |/ | + | \| + * .--. .--. + */ + int x = j % SAMPLE + xs; + int y = j / SAMPLE + ys; + + /* first pair of triangles, diagonal bottom-left to top-right */ + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_close_path (cr); + cairo_move_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_close_path (cr); + + /* second pair of triangles, diagonal top-left to bottom-right */ + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_close_path (cr); + cairo_move_to (cr, (x) / (double) SAMPLE, (y) / (double) SAMPLE); + cairo_line_to (cr, (x+1) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_line_to (cr, (x) / (double) SAMPLE, (y+1) / (double) SAMPLE); + cairo_close_path (cr); + } + } + cairo_fill (cr); + } + } + + free (occupancy); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (partial_coverage_rectangles, + "Check the fidelity of the rasterisation.", + "coverage, raster", /* keywords */ + "target=raster slow", /* requirements */ + SIZE, SIZE, + NULL, rectangles) + +CAIRO_TEST (partial_coverage_intersecting_quads, + "Check the fidelity of the rasterisation.", + "coverage, raster", /* keywords */ + "target=raster slow", /* requirements */ + SIZE, SIZE, + NULL, intersecting_quads) + +CAIRO_TEST (partial_coverage_intersecting_triangles, + "Check the fidelity of the rasterisation.", + "coverage, raster", /* keywords */ + "target=raster slow", /* requirements */ + SIZE, SIZE, + NULL, intersecting_triangles) +CAIRO_TEST (partial_coverage_triangles, + "Check the fidelity of the rasterisation.", + "coverage, raster", /* keywords */ + "target=raster slow", /* requirements */ + SIZE, SIZE, + NULL, triangles) +CAIRO_TEST (partial_coverage_overlap_three_quarter_triangles, + "Check the fidelity of the rasterisation.", + "coverage, raster", /* keywords */ + "target=raster slow", /* requirements */ + SIZE, SIZE, + NULL, overlap_three_quarter_triangles) +CAIRO_TEST (partial_coverage_overlap_half_triangles_eo, + "Check the fidelity of the rasterisation.", + "coverage, raster", /* keywords */ + "target=raster slow", /* requirements */ + SIZE, SIZE, + NULL, overlap_half_triangles_eo) +CAIRO_TEST (partial_coverage_overlap_half_triangles, + "Check the fidelity of the rasterisation.", + "coverage, raster", /* keywords */ + "target=raster slow", /* requirements */ + SIZE, SIZE, + NULL, overlap_half_triangles) +CAIRO_TEST (partial_coverage_half_triangles, + "Check the fidelity of the rasterisation.", + "coverage, raster", /* keywords */ + "target=raster slow", /* requirements */ + SIZE, SIZE, + NULL, half_triangles) + +CAIRO_TEST (partial_coverage_reference, + "Check the fidelity of this test.", + "coverage, raster", /* keywords */ + "target=raster", /* requirements */ + SIZE, SIZE, + NULL, reference) +CAIRO_TEST (partial_coverage_three_quarter_reference, + "Check the fidelity of this test.", + "coverage, raster", /* keywords */ + "target=raster", /* requirements */ + SIZE, SIZE, + NULL, three_quarter_reference) +CAIRO_TEST (partial_coverage_half_reference, + "Check the fidelity of this test.", + "coverage, raster", /* keywords */ + "target=raster", /* requirements */ + SIZE, SIZE, + NULL, half_reference) diff --git a/test/pass-through.c b/test/pass-through.c new file mode 100644 index 000000000..17a38db99 --- /dev/null +++ b/test/pass-through.c @@ -0,0 +1,91 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int n; + + for (n = 0; n < 256; n++) { + cairo_set_source_rgba (cr, 1, 1, 1, n / 255.); + cairo_rectangle (cr, 0, n, 2, 1); + cairo_fill (cr); + } + for (n = 0; n < 256; n++) { + cairo_set_source_rgb (cr, n / 255., n / 255., n / 255.); + cairo_rectangle (cr, 2, n, 2, 1); + cairo_fill (cr); + } + + cairo_translate (cr, 4, 0); + + for (n = 0; n < 256; n++) { + cairo_set_source_rgba (cr, 1, 0, 0, n / 255.); + cairo_rectangle (cr, 0, n, 2, 1); + cairo_fill (cr); + } + for (n = 0; n < 256; n++) { + cairo_set_source_rgb (cr, n / 255., 0, 0); + cairo_rectangle (cr, 2, n, 2, 1); + cairo_fill (cr); + } + + cairo_translate (cr, 4, 0); + + for (n = 0; n < 256; n++) { + cairo_set_source_rgba (cr, 0, 1, 0, n / 255.); + cairo_rectangle (cr, 0, n, 2, 1); + cairo_fill (cr); + } + for (n = 0; n < 256; n++) { + cairo_set_source_rgb (cr, 0, n / 255., 0); + cairo_rectangle (cr, 2, n, 2, 1); + cairo_fill (cr); + } + + cairo_translate (cr, 4, 0); + + for (n = 0; n < 256; n++) { + cairo_set_source_rgba (cr, 0, 0, 1, n / 255.); + cairo_rectangle (cr, 0, n, 2, 1); + cairo_fill (cr); + } + for (n = 0; n < 256; n++) { + cairo_set_source_rgb (cr, 0, 0, n / 255.); + cairo_rectangle (cr, 2, n, 2, 1); + cairo_fill (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (pass_through, + "tests pixel values", + "color", /* keywords */ + NULL, /* requirements */ + 16, 256, + NULL, draw) diff --git a/test/path-append.c b/test/path-append.c new file mode 100644 index 000000000..bdcc63abf --- /dev/null +++ b/test/path-append.c @@ -0,0 +1,81 @@ +/* + * Copyright © 2009 Jeff Muizelaar + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include "cairo-test.h" +#include <stdlib.h> + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_matrix_t m; + int xoffset = 50; + int yoffset = 50; + + cairo_surface_t *shadow; + cairo_t *shadow_cr; + cairo_path_t *path; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 130, 130); + cairo_rotate (cr, .5);//2*M_PI*angle/360); + cairo_rectangle (cr, 0, 0, 50, 100); + cairo_get_matrix (cr, &m); + + shadow = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + 600 - xoffset, + 600 - yoffset); + cairo_surface_set_device_offset (shadow, xoffset, yoffset); + shadow_cr = cairo_create (shadow); + cairo_surface_destroy (shadow); + + cairo_set_source_rgb (shadow_cr, 0, 1, 0); + cairo_set_matrix (shadow_cr, &m); + + path = cairo_copy_path (cr); + cairo_new_path (shadow_cr); + cairo_append_path (shadow_cr, path); + cairo_fill (shadow_cr); + cairo_path_destroy (path); + + cairo_identity_matrix (cr); + cairo_translate (cr, 10, 50); + cairo_set_source_surface (cr, cairo_get_target (shadow_cr), 0, 0); + cairo_paint (cr); + cairo_set_matrix (cr, &m); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill (cr); + + cairo_destroy (shadow_cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (path_append, + "Test appending path to a context, in particular to exercise a regression in 005436", + "path", /* keywords */ + NULL, /* requirements */ + 600, 600, + NULL, draw) diff --git a/test/path-currentpoint.c b/test/path-currentpoint.c new file mode 100644 index 000000000..ccd44b1c8 --- /dev/null +++ b/test/path-currentpoint.c @@ -0,0 +1,89 @@ +/* + * Copyright © 2014 Google, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "cairo-test.h" + +#include <assert.h> + +static void +assert_point (cairo_t *cr, double expected_x, double expected_y) { + double x, y; + assert (cairo_has_current_point (cr)); + cairo_get_current_point (cr, &x, &y); + assert (x == expected_x); + assert (y == expected_y); +} + +static void +assert_point_maintained (cairo_t *cr, double expected_x, double expected_y) { + cairo_path_t *path; + + assert_point (cr, expected_x, expected_y); + + path = cairo_copy_path (cr); + + cairo_new_path (cr); + cairo_rectangle (cr, 5, 5, 10, 20); + cairo_stroke (cr); + + cairo_new_path (cr); + cairo_append_path (cr, path); + cairo_path_destroy (path); + + assert_point (cr, expected_x, expected_y); +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 20, 20); + cr = cairo_create (surface); + + cairo_new_path (cr); + cairo_move_to (cr, 1., 2.); + assert_point_maintained (cr, 1., 2.); + + cairo_line_to (cr, 4., 5.); + cairo_move_to (cr, 2., 1.); + assert_point_maintained (cr, 2., 1.); + + cairo_move_to (cr, 5, 5); + cairo_arc (cr, 5, 5, 10, 0, M_PI / 3); + cairo_close_path (cr); + assert_point_maintained (cr, 5, 5); + + cairo_destroy (cr); + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (path_currentpoint, + "Test save/restore path maintains current point", + "api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/path-precision.c b/test/path-precision.c new file mode 100644 index 000000000..3a7fb11c8 --- /dev/null +++ b/test/path-precision.c @@ -0,0 +1,111 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + * + * Based on an example by Dirk "krit" Schulze found during WebKit integration. + */ + +#include "cairo-test.h" + +/* we know that this is an inherent limitation in cairo */ +#define FAIL CAIRO_TEST_XFAILURE + +/* Test the idempotency of path construction and copying */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_path_data_t path_data[] = { + { { CAIRO_PATH_MOVE_TO, 2 }, }, + { { 95.000000, 40.000000 }, }, + + { { CAIRO_PATH_LINE_TO, 2 }, }, + { { 94.960533, 41.255810 }, }, + + { { CAIRO_PATH_LINE_TO, 2 }, }, + { { 94.842293, 42.50666 }, }, + + { { CAIRO_PATH_LINE_TO, 2 }, }, + { { 94.645744, 43.747627 }, }, + + { { CAIRO_PATH_LINE_TO, 2 }, }, + { { 94.371666, 44.973797 }, }, + }; + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_path_t path, *path_copy; + int i, j, n; + cairo_test_status_t result = CAIRO_TEST_SUCCESS; + + path.status = CAIRO_STATUS_SUCCESS; + path.num_data = ARRAY_LENGTH (path_data); + path.data = path_data; + + cairo_new_path (cr); + cairo_append_path (cr, &path); + path_copy = cairo_copy_path (cr); + + if (path_copy->status) + return cairo_test_status_from_status (ctx, path_copy->status); + + for (i = j = n = 0; + i < path.num_data && j < path_copy->num_data; + i += path.data[i].header.length, + j += path_copy->data[j].header.length, + n++) + { + const cairo_path_data_t *src, *dst; + + src = &path.data[i]; + dst = &path_copy->data[j]; + + if (src->header.type != dst->header.type) { + cairo_test_log (ctx, + "Paths differ in header type after %d operations.\n" + "Expected path operation %d, found %d.\n", + n, src->header.type, dst->header.type); + result = FAIL; + break; + } + + if (memcmp (&src[1].point, &dst[1].point, sizeof (src->point))) { + cairo_test_log (ctx, + "Paths differ in coordinates after %d operations.\n" + "Expected point (%f, %f), found (%f, %f).\n", + n, + src[1].point.x, src[1].point.y, + dst[1].point.x, dst[1].point.y); + result = FAIL; + break; + } + } + + cairo_path_destroy (path_copy); + return result; +} + +CAIRO_TEST (path_precision, + "Check that the path append/copy is idempotent.", + "api", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/path-stroke-twice.c b/test/path-stroke-twice.c new file mode 100644 index 000000000..10bbbf8b0 --- /dev/null +++ b/test/path-stroke-twice.c @@ -0,0 +1,54 @@ +/* + * Copyright 2010 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* Exercises a bug found by alois@astro.ch: + * http://bugs.freedesktop.org/show_bug.cgi?id=26010 + * cairo_line_to optimizes away path segment + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_move_to (cr, 10, 10); + cairo_line_to (cr, 10, 20); + cairo_line_to (cr, 20, 30); + cairo_line_to (cr, 10, 20); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (path_stroke_twice, + "Tests stroking of a path containing a segment drawn twice", + "path, stroke", /* keywords */ + NULL, /* requirements */ + 40, 40, + NULL, draw) diff --git a/test/pattern-get-type.c b/test/pattern-get-type.c new file mode 100644 index 000000000..c807b14e8 --- /dev/null +++ b/test/pattern-get-type.c @@ -0,0 +1,79 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +preamble (cairo_test_context_t *Ctx) +{ + cairo_surface_t *surface; + cairo_pattern_t *solid_rgb, *solid_rgba, *surface_pattern, *linear, *radial, *mesh; + cairo_test_status_t result = CAIRO_TEST_SUCCESS; + + solid_rgb = cairo_pattern_create_rgb (0.0, 0.1, 0.2); + solid_rgba = cairo_pattern_create_rgba (0.3, 0.4, 0.5, 0.6); + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + 1, 1); + surface_pattern = cairo_pattern_create_for_surface (surface); + linear = cairo_pattern_create_linear (0.0, 0.0, 10.0, 10.0); + radial = cairo_pattern_create_radial (10.0, 10.0, 0.1, + 10.0, 10.0, 1.0); + mesh = cairo_pattern_create_mesh (); + + if (cairo_pattern_get_type (solid_rgb) != CAIRO_PATTERN_TYPE_SOLID) + result = CAIRO_TEST_FAILURE; + + if (cairo_pattern_get_type (solid_rgba) != CAIRO_PATTERN_TYPE_SOLID) + result = CAIRO_TEST_FAILURE; + + if (cairo_pattern_get_type (surface_pattern) != CAIRO_PATTERN_TYPE_SURFACE) + result = CAIRO_TEST_FAILURE; + + if (cairo_pattern_get_type (linear) != CAIRO_PATTERN_TYPE_LINEAR) + result = CAIRO_TEST_FAILURE; + + if (cairo_pattern_get_type (radial) != CAIRO_PATTERN_TYPE_RADIAL) + result = CAIRO_TEST_FAILURE; + + if (cairo_pattern_get_type (mesh) != CAIRO_PATTERN_TYPE_MESH) + result = CAIRO_TEST_FAILURE; + + cairo_pattern_destroy (solid_rgb); + cairo_pattern_destroy (solid_rgba); + cairo_pattern_destroy (surface_pattern); + cairo_surface_destroy (surface); + cairo_pattern_destroy (linear); + cairo_pattern_destroy (radial); + cairo_pattern_destroy (mesh); + + return result; +} + +CAIRO_TEST (pattern_get_type, + "Creating patterns of all types", + "pattern, api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/pattern-getters.c b/test/pattern-getters.c new file mode 100644 index 000000000..08508d7d4 --- /dev/null +++ b/test/pattern-getters.c @@ -0,0 +1,279 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright © 2005 Mozilla Corporation, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" +#include <stdlib.h> + +#define CHECK_SUCCESS do { \ + if (status) { \ + cairo_pattern_destroy (pat); \ + return cairo_test_status_from_status (ctx, status); \ + } \ +} while (0) + +static int +double_buf_equal (const cairo_test_context_t *ctx, double *a, double *b, int nc) +{ + int i; + for (i = 0; i < nc; i++) { + if (!CAIRO_TEST_DOUBLE_EQUALS(a[i],b[i])) { + cairo_test_log (ctx, "Error: doubles not equal: %g, %g\n", + a[i], b[i]); + return 0; + } + } + return 1; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_status_t status; + cairo_pattern_t *pat; + + /* Test pattern_get_rgba */ + { + double r, g, b, a; + pat = cairo_pattern_create_rgba (0.2, 0.3, 0.4, 0.5); + + status = cairo_pattern_get_rgba (pat, &r, &g, &b, &a); + CHECK_SUCCESS; + + if (!CAIRO_TEST_DOUBLE_EQUALS(r,0.2) || + !CAIRO_TEST_DOUBLE_EQUALS(g,0.3) || + !CAIRO_TEST_DOUBLE_EQUALS(b,0.4) || + !CAIRO_TEST_DOUBLE_EQUALS(a,0.5)) { + cairo_test_log (ctx, "Error: cairo_pattern_get_rgba returned unexepcted results: %g, %g, %g, %g\n", + r, g, b, a); + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + cairo_pattern_destroy (pat); + } + + /* Test pattern_get_surface */ + { + cairo_surface_t *surf; + + pat = cairo_pattern_create_for_surface (cairo_get_target (cr)); + + status = cairo_pattern_get_surface (pat, &surf); + CHECK_SUCCESS; + + if (surf != cairo_get_target (cr)) { + cairo_test_log (ctx, "Error: cairo_pattern_get_resurface returned wrong surface\n"); + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + cairo_pattern_destroy (pat); + } + + /* Test get_color_stops & linear_get_points */ + { + int i; + double x0, y0, x1, y1; + double expected_values[15] = { 0.0, 0.2, 0.4, 0.2, 1.0, + 0.5, 0.4, 0.5, 0.2, 0.5, + 1.0, 0.2, 0.4, 0.5, 0.2 }; + double new_buf[15]; + + pat = cairo_pattern_create_linear (1.0, 2.0, 3.0, 4.0); + + for (i = 0; i < 3; i++) { + cairo_pattern_add_color_stop_rgba (pat, + expected_values[i*5+0], + expected_values[i*5+1], + expected_values[i*5+2], + expected_values[i*5+3], + expected_values[i*5+4]); + } + + status = cairo_pattern_get_linear_points (pat, &x0, &y0, &x1, &y1); + CHECK_SUCCESS; + + if (!CAIRO_TEST_DOUBLE_EQUALS(x0,1.0) || + !CAIRO_TEST_DOUBLE_EQUALS(y0,2.0) || + !CAIRO_TEST_DOUBLE_EQUALS(x1,3.0) || + !CAIRO_TEST_DOUBLE_EQUALS(y1,4.0)) + { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + status = cairo_pattern_get_color_stop_count (pat, &i); + CHECK_SUCCESS; + + if (i != 3) { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + for (i = 0; i < 3; i++) { + status = cairo_pattern_get_color_stop_rgba (pat, i, + &new_buf[i*5+0], + &new_buf[i*5+1], + &new_buf[i*5+2], + &new_buf[i*5+3], + &new_buf[i*5+4]); + CHECK_SUCCESS; + } + + status = cairo_pattern_get_color_stop_rgba (pat, 5, NULL, NULL, NULL, NULL, NULL); + if (status != CAIRO_STATUS_INVALID_INDEX) { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + if (!double_buf_equal (ctx, new_buf, expected_values, + ARRAY_LENGTH (expected_values)) != 0) + { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + cairo_pattern_destroy (pat); + } + + /* Test radial_get_circles */ + { + double a, b, c, d, e, f; + pat = cairo_pattern_create_radial (1, 2, 3, + 4, 5, 6); + + status = cairo_pattern_get_radial_circles (pat, &a, &b, &c, &d, &e, &f); + CHECK_SUCCESS; + + if (!CAIRO_TEST_DOUBLE_EQUALS(a,1.0) || + !CAIRO_TEST_DOUBLE_EQUALS(b,2.0) || + !CAIRO_TEST_DOUBLE_EQUALS(c,3.0) || + !CAIRO_TEST_DOUBLE_EQUALS(d,4.0) || + !CAIRO_TEST_DOUBLE_EQUALS(e,5.0) || + !CAIRO_TEST_DOUBLE_EQUALS(f,6.0)) + { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + cairo_pattern_destroy (pat); + } + + /* Test mesh getters */ + { + unsigned int count; + int i; + pat = cairo_pattern_create_mesh (); + + status = cairo_mesh_pattern_get_patch_count (pat, &count); + CHECK_SUCCESS; + + if (count != 0) { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + cairo_mesh_pattern_begin_patch (pat); + cairo_mesh_pattern_move_to (pat, 0, 0); + cairo_mesh_pattern_line_to (pat, 0, 3); + cairo_mesh_pattern_line_to (pat, 3, 3); + cairo_mesh_pattern_line_to (pat, 3, 0); + + status = cairo_mesh_pattern_get_patch_count (pat, &count); + CHECK_SUCCESS; + + if (count != 0) { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + cairo_mesh_pattern_end_patch (pat); + + status = cairo_mesh_pattern_get_patch_count (pat, &count); + CHECK_SUCCESS; + + if (count != 1) { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + + for (i = 0; i < 4; i++) { + double cp_x[4] = { 1, 1, 2, 2 }; + double cp_y[4] = { 1, 2, 2, 1 }; + double x, y; + + status = cairo_mesh_pattern_get_control_point (pat, 0, i, &x, &y); + CHECK_SUCCESS; + + if (!CAIRO_TEST_DOUBLE_EQUALS(x,cp_x[i]) || + !CAIRO_TEST_DOUBLE_EQUALS(y,cp_y[i])) + { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + } + + cairo_mesh_pattern_begin_patch (pat); + cairo_mesh_pattern_move_to (pat, 0, 0); + cairo_mesh_pattern_line_to (pat, 1, 0); + cairo_mesh_pattern_line_to (pat, 1, 1); + cairo_mesh_pattern_set_corner_color_rgb (pat, 0, 1, 1, 1); + cairo_mesh_pattern_end_patch (pat); + + for (i = 0; i < 4; i++) { + double corner_color[4] = { 1, 0, 0, 1 }; + double a, r, g, b; + + status = cairo_mesh_pattern_get_corner_color_rgba (pat, 1, i, + &r, &g, &b, &a); + CHECK_SUCCESS; + + if (!CAIRO_TEST_DOUBLE_EQUALS(a,corner_color[i]) || + !CAIRO_TEST_DOUBLE_EQUALS(r,corner_color[i]) || + !CAIRO_TEST_DOUBLE_EQUALS(g,corner_color[i]) || + !CAIRO_TEST_DOUBLE_EQUALS(b,corner_color[i])) + { + cairo_pattern_destroy (pat); + return CAIRO_TEST_FAILURE; + } + } + + cairo_pattern_destroy (pat); + } + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (pattern_getters, + "Tests calls to pattern getter functions", + "pattern, api", /* keywords */ + NULL, /* requirements */ + 1, 1, + NULL, draw) diff --git a/test/pdf-features.c b/test/pdf-features.c new file mode 100644 index 000000000..b9c2bd07a --- /dev/null +++ b/test/pdf-features.c @@ -0,0 +1,148 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <cairo.h> +#include <cairo-pdf.h> + +/* This test exists to test the various features of cairo-pdf.h. + * + * Currently, this test exercises the following function calls: + * + * cairo_pdf_surface_set_size + */ + +#define INCHES_TO_POINTS(in) ((in) * 72.0) +#define MM_TO_POINTS(mm) ((mm) / 25.4 * 72.0) +#define TEXT_SIZE 12 +#define BASENAME "pdf-features.out" + +static struct { + const char *page_size; + const char *page_size_alias; + const char *orientation; + double width_in_points; + double height_in_points; +} pages[] = { + {"na_letter_8.5x11in", "letter", "portrait", + INCHES_TO_POINTS(8.5), INCHES_TO_POINTS(11)}, + {"na_letter_8.5x11in", "letter", "landscape", + INCHES_TO_POINTS(11), INCHES_TO_POINTS(8.5)}, + {"iso_a4_210x297mm", "a4", "portrait", + MM_TO_POINTS(210), MM_TO_POINTS(297)}, + {"iso_a4_210x297mm", "a4", "landscape", + MM_TO_POINTS(297), MM_TO_POINTS(210)}, + {"iso_a5_148x210mm", "a5", "portrait", + MM_TO_POINTS(148), MM_TO_POINTS(210)}, + {"iso_a5_148x210mm", "a5", "landscape", + MM_TO_POINTS(210), MM_TO_POINTS(148)}, + {"iso_a6_105x148mm", "a6", "portrait", + MM_TO_POINTS(105), MM_TO_POINTS(148)}, + {"iso_a6_105x148mm", "a6", "landscape", + MM_TO_POINTS(148), MM_TO_POINTS(105)}, + {"iso_a7_74x105mm", "a7", "portrait", + MM_TO_POINTS(74), MM_TO_POINTS(105)}, + {"iso_a7_74x105mm", "a7", "landscape", + MM_TO_POINTS(105), MM_TO_POINTS(74)}, + {"iso_a8_52x74mm", "a8", "portrait", + MM_TO_POINTS(52), MM_TO_POINTS(74)}, + {"iso_a8_52x74mm", "a8", "landscape", + MM_TO_POINTS(74), MM_TO_POINTS(52)}, + {"iso_a9_37x52mm", "a9", "portrait", + MM_TO_POINTS(37), MM_TO_POINTS(52)}, + {"iso_a9_37x52mm", "a9", "landscape", + MM_TO_POINTS(52), MM_TO_POINTS(37)}, + {"iso_a10_26x37mm", "a10", "portrait", + MM_TO_POINTS(26), MM_TO_POINTS(37)}, + {"iso_a10_26x37mm", "a10", "landscape", + MM_TO_POINTS(37), MM_TO_POINTS(26)} +}; + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface; + cairo_t *cr; + cairo_status_t status; + size_t i; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + if (! cairo_test_is_target_enabled (ctx, "pdf")) + return CAIRO_TEST_UNTESTED; + + xasprintf (&filename, "%s/%s.pdf", path, BASENAME); + + /* The initial size passed here is the default size that will be + * inheritable by each page. That is, any page for which this + * initial size applies will not have its own /MediaBox entry in + * its dictionary. */ + surface = cairo_pdf_surface_create (filename, + INCHES_TO_POINTS(8.5), + INCHES_TO_POINTS(11)); + + cr = cairo_create (surface); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + for (i = 0; i < ARRAY_LENGTH (pages); i++) { + cairo_pdf_surface_set_size (surface, + pages[i].width_in_points, + pages[i].height_in_points); + + cairo_move_to (cr, TEXT_SIZE, TEXT_SIZE); + cairo_show_text (cr, pages[i].page_size); + cairo_show_text (cr, " - "); + cairo_show_text (cr, pages[i].orientation); + cairo_show_page (cr); + } + + status = cairo_status (cr); + + cairo_destroy (cr); + cairo_surface_destroy (surface); + free (filename); + + if (status) { + cairo_test_log (ctx, "Failed to create pdf surface for file %s: %s\n", + filename, cairo_status_to_string (status)); + return CAIRO_TEST_FAILURE; + } + + printf ("pdf-features: Please check %s to ensure it looks/prints correctly.\n", filename); + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (pdf_features, + "Check PDF specific API", + "pdf", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/pdf-isolated-group.c b/test/pdf-isolated-group.c new file mode 100644 index 000000000..e74a346a2 --- /dev/null +++ b/test/pdf-isolated-group.c @@ -0,0 +1,73 @@ +/* + * Copyright © 2012 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define SIZE 60 +#define WIDTH SIZE +#define HEIGHT SIZE + + +/* PDF transparency groups can be isolated or non-isolated. This test + * checks that the PDF output is using isolated groups. If the group + * is non-isolated the bottom half of the inner rectangle will be + * red. Note poppler-cairo currently ignores the isolated flag and + * treats the group as isolated. + * + * Refer to http://www.pdfvt.com/PDFVT_TransparencyGuide.html for an + * explanation isolated vs non-isolated. + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1, 0.5, 0); + cairo_rectangle (cr, 0, SIZE/2, SIZE, SIZE/2); + cairo_fill (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_MULTIPLY); + + cairo_push_group (cr); + + cairo_set_source_rgb (cr, 0.7, 0.7, 0.7); + cairo_rectangle (cr, SIZE/4, SIZE/4, SIZE/2, SIZE/2); + cairo_fill (cr); + + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (pdf_isolated_group, + "Check that transparency groups in PDF output are isolated", + "group, operator", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/pdf-mime-data.c b/test/pdf-mime-data.c new file mode 100644 index 000000000..fd5af1f7f --- /dev/null +++ b/test/pdf-mime-data.c @@ -0,0 +1,187 @@ +/* + * Copyright © 2008 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <errno.h> +#include <cairo.h> +#include <cairo-pdf.h> + +/* This test checks that the mime data is correctly used by the PDF + * surface when embedding images.. + */ + +/* Both a *.png and *.jpg file with this name is required since we + * are not using a jpeg library */ +#define IMAGE_FILE "romedalen" + +#define BASENAME "pdf-mime-data.out" + +static cairo_test_status_t +read_file (const cairo_test_context_t *ctx, + const char *file, + unsigned char **data, + unsigned int *len) +{ + FILE *fp; + + fp = fopen (file, "rb"); + if (fp == NULL) { + char filename[4096]; + + /* try again with srcdir */ + snprintf (filename, sizeof (filename), + "%s/%s", ctx->srcdir, file); + fp = fopen (filename, "rb"); + } + if (fp == NULL) { + switch (errno) { + case ENOMEM: + cairo_test_log (ctx, "Could not create file handle for %s due to \ + lack of memory\n", file); + return CAIRO_TEST_NO_MEMORY; + default: + cairo_test_log (ctx, "Could not get the file handle for %s\n", file); + return CAIRO_TEST_FAILURE; + } + } + + fseek (fp, 0, SEEK_END); + *len = ftell(fp); + fseek (fp, 0, SEEK_SET); + *data = malloc (*len); + if (*data == NULL) { + fclose(fp); + cairo_test_log (ctx, "Could not allocate memory for buffer to read \ + from file %s\n", file); + return CAIRO_TEST_NO_MEMORY; + } + + if (fread(*data, *len, 1, fp) != 1) { + free (data); + fclose(fp); + cairo_test_log (ctx, "Could not read data from file %s\n", file); + return CAIRO_TEST_FAILURE; + } + + fclose(fp); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *image; + cairo_surface_t *surface; + cairo_t *cr; + cairo_status_t status, status2; + cairo_test_status_t test_status; + int width, height; + unsigned char *data; + unsigned char *out_data; + unsigned int len, out_len; + char command[4096]; + int exit_status; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + if (! cairo_test_is_target_enabled (ctx, "pdf")) + return CAIRO_TEST_UNTESTED; + + image = cairo_image_surface_create_from_png (IMAGE_FILE ".png"); + test_status = read_file (ctx, IMAGE_FILE ".jpg", &data, &len); + if (test_status) { + return test_status; + } + + cairo_surface_set_mime_data (image, CAIRO_MIME_TYPE_JPEG, + data, len, + free, data); + width = cairo_image_surface_get_width (image); + height = cairo_image_surface_get_height (image); + + xasprintf (&filename, "%s/%s.pdf", path, BASENAME); + surface = cairo_pdf_surface_create (filename, width + 20, height + 20); + cr = cairo_create (surface); + cairo_translate (cr, 10, 10); + cairo_set_source_surface (cr, image, 0, 0); + cairo_paint (cr); + status = cairo_status (cr); + cairo_destroy (cr); + cairo_surface_finish (surface); + status2 = cairo_surface_status (surface); + if (status != CAIRO_STATUS_SUCCESS) + status = status2; + cairo_surface_destroy (surface); + cairo_surface_destroy (image); + + if (status) { + free (filename); + cairo_test_log (ctx, "Failed to create pdf surface for file %s: %s\n", + filename, cairo_status_to_string (status)); + return CAIRO_TEST_FAILURE; + } + + printf ("pdf-mime-data: Please check %s to ensure it looks/prints correctly.\n", filename); + + sprintf (command, "pdfimages -j %s %s", filename, CAIRO_TEST_OUTPUT_DIR "/" BASENAME); + exit_status = system (command); + free (filename); + if (exit_status) { + cairo_test_log (ctx, "pdfimages failed with exit status %d\n", exit_status); + return CAIRO_TEST_FAILURE; + } + + test_status = read_file (ctx, IMAGE_FILE ".jpg", &data, &len); + if (test_status) { + return test_status; + } + + test_status = read_file (ctx, CAIRO_TEST_OUTPUT_DIR "/" BASENAME "-000.jpg", &out_data, &out_len); + if (test_status) { + return test_status; + } + + if (len != out_len || memcmp(data, out_data, len) != 0) { + free (data); + free (out_data); + cairo_test_log (ctx, "output mime data does not match source mime data\n"); + return CAIRO_TEST_FAILURE; + } + + free (data); + free (out_data); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (pdf_mime_data, + "Check mime data correctly used by PDF surface", + "pdf, mime-data", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/pdf-surface-source.c b/test/pdf-surface-source.c new file mode 100644 index 000000000..354a7259a --- /dev/null +++ b/test/pdf-surface-source.c @@ -0,0 +1,53 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" +#include <cairo-pdf.h> + +#include "surface-source.c" + +#define BASENAME "pdf-surface-source.out" + +static cairo_surface_t * +create_source_surface (int size) +{ + cairo_surface_t *surface; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + xasprintf (&filename, "%s/%s.pdf", path, BASENAME); + surface = cairo_pdf_surface_create (filename, size, size); + cairo_surface_set_fallback_resolution (surface, 72., 72.); + free (filename); + + return surface; +} + +CAIRO_TEST (pdf_surface_source, + "Test using a PDF surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) diff --git a/test/pdf2png.c b/test/pdf2png.c new file mode 100644 index 000000000..06fa05b18 --- /dev/null +++ b/test/pdf2png.c @@ -0,0 +1,99 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + */ + +#include <stdio.h> +#include <stdlib.h> +#include <poppler.h> + +#define FAIL(msg) \ + do { fprintf (stderr, "FAIL: %s\n", msg); exit (-1); } while (0) + +#define PIXELS_PER_POINT 1 + +int main (int argc, char *argv[]) +{ + PopplerDocument *document; + PopplerPage *page; + double width, height; + const char *filename = argv[1]; + const char *output_filename = argv[2]; + const char *page_label = argv[3]; + gchar *absolute, *uri; + cairo_surface_t *surface; + cairo_t *cr; + cairo_status_t status; + GError *error = NULL; + + if (argc != 4) + FAIL ("usage: pdf2png input_file.pdf output_file.png page"); + + g_type_init (); + + if (g_path_is_absolute(filename)) { + absolute = g_strdup (filename); + } else { + gchar *dir = g_get_current_dir (); + absolute = g_build_filename (dir, filename, (gchar *) 0); + g_free (dir); + } + + uri = g_filename_to_uri (absolute, NULL, &error); + g_free (absolute); + if (uri == NULL) + FAIL (error->message); + + document = poppler_document_new_from_file (uri, NULL, &error); + if (document == NULL) + FAIL (error->message); + + page = poppler_document_get_page_by_label (document, page_label); + if (page == NULL) + FAIL ("page not found"); + + poppler_page_get_size (page, &width, &height); + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR_ALPHA); + + poppler_page_render (page, cr); + g_object_unref (page); + + cairo_pop_group_to_source (cr); + cairo_paint (cr); + + status = cairo_surface_write_to_png (cairo_get_target (cr), + output_filename); + cairo_destroy (cr); + + if (status) + FAIL (cairo_status_to_string (status)); + + return 0; +} diff --git a/test/pdiff/.gitignore b/test/pdiff/.gitignore new file mode 100644 index 000000000..f44ed659a --- /dev/null +++ b/test/pdiff/.gitignore @@ -0,0 +1,3 @@ +TAGS +tags +perceptualdiff diff --git a/test/pdiff/CMakeLists.txt b/test/pdiff/CMakeLists.txt new file mode 100644 index 000000000..6e4fa7a8a --- /dev/null +++ b/test/pdiff/CMakeLists.txt @@ -0,0 +1,55 @@ +PROJECT (PerceptualDiff) +SET(DIFF_SRC PerceptualDiff.cpp LPyramid.cpp RGBAImage.cpp +CompareArgs.cpp Metric.cpp) + +ADD_EXECUTABLE (perceptualdiff ${DIFF_SRC}) + +# look for libtiff +FIND_PATH(TIFF_INCLUDE_DIR tiff.h + /usr/local/include + /usr/include + /opt/local/include +) + +FIND_LIBRARY(TIFF_LIBRARY tiff + /usr/lib + /usr/local/lib + /opt/local/lib +) + +IF(TIFF_INCLUDE_DIR) + IF(TIFF_LIBRARY) + SET( TIFF_FOUND "YES" ) + SET( TIFF_LIBRARIES ${TIFF_LIBRARY} ) + ENDIF(TIFF_LIBRARY) +ENDIF(TIFF_INCLUDE_DIR) + +IF(TIFF_FOUND) + INCLUDE_DIRECTORIES(${TIFF_INCLUDE_DIR}) + TARGET_LINK_LIBRARIES(perceptualdiff ${TIFF_LIBRARY}) +ENDIF(TIFF_FOUND) + +# look for libpng +FIND_PATH(PNG_INCLUDE_DIR png.h + /usr/local/include + /usr/include + /opt/local/include +) + +FIND_LIBRARY(PNG_LIBRARY png + /usr/lib + /usr/local/lib + /opt/local/lib +) + +IF(PNG_INCLUDE_DIR) + IF(PNG_LIBRARY) + SET( PNG_FOUND "YES" ) + SET( PNG_LIBRARIES ${PNG_LIBRARY} ) + ENDIF(PNG_LIBRARY) +ENDIF(PNG_INCLUDE_DIR) + +IF(PNG_FOUND) + INCLUDE_DIRECTORIES(${PNG_INCLUDE_DIR}) + TARGET_LINK_LIBRARIES(perceptualdiff ${PNG_LIBRARY}) +ENDIF(PNG_FOUND)
\ No newline at end of file diff --git a/test/pdiff/Makefile.am b/test/pdiff/Makefile.am new file mode 100644 index 000000000..73098da78 --- /dev/null +++ b/test/pdiff/Makefile.am @@ -0,0 +1,19 @@ +include $(top_srcdir)/build/Makefile.am.common + +EXTRA_PROGRAMS += perceptualdiff +EXTRA_DIST += gpl.txt + +noinst_LTLIBRARIES = libpdiff.la +libpdiff_la_SOURCES = \ + pdiff.h \ + lpyramid.c \ + lpyramid.h \ + pdiff.c + +perceptualdiff_SOURCES = \ + args.c \ + args.h \ + perceptualdiff.c + +AM_CPPFLAGS = -I$(top_srcdir)/src -I$(top_builddir)/src $(CAIRO_CFLAGS) +LDADD = libpdiff.la $(top_builddir)/src/libcairo.la diff --git a/test/pdiff/Makefile.win32 b/test/pdiff/Makefile.win32 new file mode 100644 index 000000000..3d64676da --- /dev/null +++ b/test/pdiff/Makefile.win32 @@ -0,0 +1,14 @@ +top_srcdir = ../.. +include $(top_srcdir)/build/Makefile.win32.common + +SOURCES = \ + lpyramid.c \ + pdiff.c \ + $(NULL) + +OBJECTS = $(patsubst %.c, $(CFG)/%-static.obj, $(SOURCES)) + +all: $(CFG)/pdiff.lib + +$(CFG)/pdiff.lib: $(OBJECTS) + @$(AR) $(CAIRO_ARFLAGS) -OUT:$@ $(OBJECTS) diff --git a/test/pdiff/README.txt b/test/pdiff/README.txt new file mode 100644 index 000000000..922ddafbf --- /dev/null +++ b/test/pdiff/README.txt @@ -0,0 +1,45 @@ +pdiff - a program that compares two images using +a perceptually based image metric. +Copyright (C) 2006 Yangli Hector Yee +yeehector@users.sourceforge.net +http://pdiff.sourceforge.net/ + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; either version 2 of the License, +or (at your option) any later version. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. +See the GNU General Public License for more details in the file gpl.txt. + +Build Instructions +1. Download cross platform make from http://www.cmake.org +2. Download libtiff from http://www.libtiff.org. Download libpng from http://www.libpng.org +3. Edit CMakeLists.txt to tell it where to find your tiff library +4. Type cmake . +5. Type make . (or on Windows systems cmake makes a Visual Studio +Project file) +6. To specify the install directory, use make install DESTDIR="/home/me/mydist" + +Usage + +pdiff image1.(tif | png) image2.(tif | png) [options] +-verbose : Turns on verbose mode +-fov deg: field of view, deg, in degrees. Usually between 10.0 to 85.0. +This controls how much of the screen the oberserver is seeing. Front row of +a theatre has a field of view of around 25 degrees. Back row has a field of + view of around 60 degrees. +-threshold p : Sets the number of pixels, p, to reject. For example if p is + 100, then the test fails if 100 or more pixels are perceptably different. +-gamma g : The gamma to use to convert to RGB linear space. Default is 2.2 +-luminance l: The luminance of the display the observer is seeing. Default + is 100 candela per meter squared + +Credits + +Hector Yee, project administrator and originator - hectorgon.blogspot.com +Scott Corley, for png file IO code +Mick Weiss, Linux build and release & QA +Carl Worth, Rewrite as library, depend on cairo, and port to C
\ No newline at end of file diff --git a/test/pdiff/args.c b/test/pdiff/args.c new file mode 100644 index 000000000..ac3aa83a9 --- /dev/null +++ b/test/pdiff/args.c @@ -0,0 +1,119 @@ +/* + Comapre Args + Copyright (C) 2006 Yangli Hector Yee + + This program is free software; you can redistribute it and/or modify it under the terms of the + GNU General Public License as published by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with this program; + if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA +*/ + +#include "args.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +static const char* copyright = +"PerceptualDiff version 1.0, Copyright (C) 2006 Yangli Hector Yee\n\ +PerceptualDiff comes with ABSOLUTELY NO WARRANTY;\n\ +This is free software, and you are welcome\n\ +to redistribute it under certain conditions;\n\ +See the GPL page for details: http://www.gnu.org/copyleft/gpl.html\n\n"; + +static const char *usage = +"PeceptualDiff image1.tif image2.tif\n\n\ + Compares image1.tif and image2.tif using a perceptually based image metric\n\ + Options:\n\ +\t-verbose : Turns on verbose mode\n\ +\t-fov deg : Field of view in degrees (0.1 to 89.9)\n\ +\t-threshold p : #pixels p below which differences are ignored\n\ +\t-gamma g : Value to convert rgb into linear space (default 2.2)\n\ +\t-luminance l : White luminance (default 100.0 cdm^-2)\n\ +\n\ +\n Note: Input files can also be in the PNG format\ +\n"; + +void +args_init (args_t *args) +{ + args->surface_a = NULL; + args->surface_b = NULL; + args->Verbose = false; + args->FieldOfView = 45.0f; + args->Gamma = 2.2f; + args->ThresholdPixels = 100; + args->Luminance = 100.0f; +} + +void +args_fini (args_t *args) +{ + cairo_surface_destroy (args->surface_a); + cairo_surface_destroy (args->surface_b); +} + +bool +args_parse (args_t *args, int argc, char **argv) +{ + int i; + if (argc < 3) { + fprintf (stderr, "%s", copyright); + fprintf (stderr, "%s", usage); + return false; + } + for (i = 0; i < argc; i++) { + if (i == 1) { + args->surface_a = cairo_image_surface_create_from_png (argv[1]); + if (cairo_surface_status (args->surface_a)) + { + fprintf (stderr, "FAIL: Cannot open %s: %s\n", + argv[1], cairo_status_to_string (cairo_surface_status (args->surface_a))); + return false; + } + } else if (i == 2) { + args->surface_b = cairo_image_surface_create_from_png (argv[2]); + if (cairo_surface_status (args->surface_b)) + { + fprintf (stderr, "FAIL: Cannot open %s: %s\n", + argv[2], cairo_status_to_string (cairo_surface_status (args->surface_b))); + return false; + } + } else { + if (strstr(argv[i], "-fov")) { + if (i + 1 < argc) { + args->FieldOfView = (float) atof(argv[i + 1]); + } + } else if (strstr(argv[i], "-verbose")) { + args->Verbose = true; + } else if (strstr(argv[i], "-threshold")) { + if (i + 1 < argc) { + args->ThresholdPixels = atoi(argv[i + 1]); + } + } else if (strstr(argv[i], "-gamma")) { + if (i + 1 < argc) { + args->Gamma = (float) atof(argv[i + 1]); + } + }else if (strstr(argv[i], "-luminance")) { + if (i + 1 < argc) { + args->Luminance = (float) atof(argv[i + 1]); + } + } + } + } /* i */ + return true; +} + +void +args_print (args_t *args) +{ + printf("Field of view is %f degrees\n", args->FieldOfView); + printf("Threshold pixels is %d pixels\n", args->ThresholdPixels); + printf("The Gamma is %f\n", args->Gamma); + printf("The Display's luminance is %f candela per meter squared\n", args->Luminance); +} diff --git a/test/pdiff/args.h b/test/pdiff/args.h new file mode 100644 index 000000000..502023915 --- /dev/null +++ b/test/pdiff/args.h @@ -0,0 +1,46 @@ +/* + Comapre Args + Copyright (C) 2006 Yangli Hector Yee + + This program is free software; you can redistribute it and/or modify it under the terms of the + GNU General Public License as published by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with this program; + if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA +*/ + +#ifndef _ARGS_H +#define _ARGS_H + +#include "pdiff.h" + +/* Args to pass into the comparison function */ +typedef struct _args +{ + cairo_surface_t *surface_a; /* Image A */ + cairo_surface_t *surface_b; /* Image B */ + bool Verbose; /* Print lots of text or not */ + float FieldOfView; /* Field of view in degrees */ + float Gamma; /* The gamma to convert to linear color space */ + float Luminance; /* the display's luminance */ + unsigned int ThresholdPixels; /* How many pixels different to ignore */ +} args_t; + +void +args_init (args_t *args); + +void +args_fini (args_t *args); + +bool +args_parse (args_t *args, int argc, char **argv); + +void +args_print (args_t *args); + +#endif diff --git a/test/pdiff/gpl.txt b/test/pdiff/gpl.txt new file mode 100644 index 000000000..f90922eea --- /dev/null +++ b/test/pdiff/gpl.txt @@ -0,0 +1,340 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Lesser General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. Our General Public Licenses are designed to make sure that you +have the freedom to distribute copies of free software (and charge for +this service if you wish), that you receive source code or can get it +if you want it, that you can change the software or use pieces of it +in new free programs; and that you know you can do these things. + + To protect your rights, we need to make restrictions that forbid +anyone to deny you these rights or to ask you to surrender the rights. +These restrictions translate to certain responsibilities for you if you +distribute copies of the software, or if you modify it. + + For example, if you distribute copies of such a program, whether +gratis or for a fee, you must give the recipients all the rights that +you have. You must make sure that they, too, receive or can get the +source code. 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You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. 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It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + <one line to give the program's name and a brief idea of what it does.> + Copyright (C) <year> <name of author> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + <signature of Ty Coon>, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/test/pdiff/lpyramid.c b/test/pdiff/lpyramid.c new file mode 100644 index 000000000..bd402c7da --- /dev/null +++ b/test/pdiff/lpyramid.c @@ -0,0 +1,116 @@ +/* + Laplacian Pyramid + Copyright (C) 2006 Yangli Hector Yee + + This program is free software; you can redistribute it and/or modify it under the terms of the + GNU General Public License as published by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with this program; + if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA +*/ + +#include "lpyramid.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +struct _lpyramid { + /* Successively blurred versions of the original image */ + float *levels[MAX_PYR_LEVELS]; + + int width; + int height; +}; + +static void +convolve (lpyramid_t *pyramid, float *a, const float *b) +/* convolves image b with the filter kernel and stores it in a */ +{ + int y,x,i,j; + const float Kernel[] = {0.05f, 0.25f, 0.4f, 0.25f, 0.05f}; + int width = pyramid->width; + int height = pyramid->height; + + for (y=0; y<height; y++) { + for (x=0; x<width; x++) { + float sum = 0.f; + for (j=-2; j<=2; j++) { + float sum_i = 0.f; + int ny=y+j; + if (ny<0) ny=-ny; + if (ny>=height) ny=2*height - ny - 1; + ny *= width; + for (i=-2; i<=2; i++) { + int nx=x+i; + if (nx<0) nx=-nx; + if (nx>=width) nx=2*width - nx - 1; + sum_i += Kernel[i+2] * b[ny + nx]; + } + sum += sum_i * Kernel[j+2]; + } + *a++ = sum; + } + } +} + +/* + * Construction/Destruction + */ + +lpyramid_t * +lpyramid_create (float *image, int width, int height) +{ + lpyramid_t *pyramid; + int i; + + pyramid = malloc (sizeof (lpyramid_t)); + if (pyramid == NULL) { + fprintf (stderr, "Out of memory.\n"); + exit (1); + } + pyramid->width = width; + pyramid->height = height; + + /* Make the Laplacian pyramid by successively + * copying the earlier levels and blurring them */ + for (i=0; i<MAX_PYR_LEVELS; i++) { + pyramid->levels[i] = malloc (width * height * sizeof (float)); + if (pyramid->levels[i] == NULL) { + fprintf (stderr, "Out of memory.\n"); + exit (1); + } + if (i == 0) { + memcpy (pyramid->levels[i], image, width * height * sizeof (float)); + } else { + convolve(pyramid, pyramid->levels[i], pyramid->levels[i - 1]); + } + } + + return pyramid; +} + +void +lpyramid_destroy (lpyramid_t *pyramid) +{ + int i; + + for (i=0; i<MAX_PYR_LEVELS; i++) + free (pyramid->levels[i]); + + free (pyramid); +} + +float +lpyramid_get_value (lpyramid_t *pyramid, int x, int y, int level) +{ + int index = x + y * pyramid->width; + int l = level; + if (l > MAX_PYR_LEVELS) + l = MAX_PYR_LEVELS; + return pyramid->levels[l][index]; +} diff --git a/test/pdiff/lpyramid.h b/test/pdiff/lpyramid.h new file mode 100644 index 000000000..e47a66e20 --- /dev/null +++ b/test/pdiff/lpyramid.h @@ -0,0 +1,32 @@ +/* + Laplacian Pyramid + Copyright (C) 2006 Yangli Hector Yee + + This program is free software; you can redistribute it and/or modify it under the terms of the + GNU General Public License as published by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with this program; + if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA +*/ +#ifndef _LPYRAMID_H +#define _LPYRAMID_H + +#define MAX_PYR_LEVELS 8 + +typedef struct _lpyramid lpyramid_t; + +lpyramid_t * +lpyramid_create (float *image, int width, int height); + +void +lpyramid_destroy (lpyramid_t *pyramid); + +float +lpyramid_get_value (lpyramid_t *pyramid, int x, int y, int level); + +#endif /* _LPYRAMID_H */ diff --git a/test/pdiff/pdiff.c b/test/pdiff/pdiff.c new file mode 100644 index 000000000..eb5f15682 --- /dev/null +++ b/test/pdiff/pdiff.c @@ -0,0 +1,420 @@ +/* + Metric + Copyright (C) 2006 Yangli Hector Yee + + This program is free software; you can redistribute it and/or modify it under the terms of the + GNU General Public License as published by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with this program; + if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA +*/ + +#define _GNU_SOURCE + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include "lpyramid.h" +#include <math.h> +#include <stdio.h> +#include <stdlib.h> + +#if HAVE_STDINT_H +# include <stdint.h> +#elif HAVE_INTTYPES_H +# include <inttypes.h> +#elif HAVE_SYS_INT_TYPES_H +# include <sys/int_types.h> +#elif defined(_MSC_VER) + typedef __int8 int8_t; + typedef unsigned __int8 uint8_t; + typedef __int16 int16_t; + typedef unsigned __int16 uint16_t; + typedef __int32 int32_t; + typedef unsigned __int32 uint32_t; + typedef __int64 int64_t; + typedef unsigned __int64 uint64_t; +# ifndef HAVE_UINT64_T +# define HAVE_UINT64_T 1 +# endif +# ifndef INT16_MIN +# define INT16_MIN (-32767-1) +# endif +# ifndef INT16_MAX +# define INT16_MAX (32767) +# endif +# ifndef UINT16_MAX +# define UINT16_MAX (65535) +# endif +#else +#error Cannot find definitions for fixed-width integral types (uint8_t, uint32_t, etc.) +#endif + +#include "pdiff.h" + +#ifndef M_PI +#define M_PI 3.14159265f +#endif + +#ifndef __USE_ISOC99 +#define expf exp +#define powf pow +#define fabsf fabs +#define sqrtf sqrt +#define log10f log10 +#endif + +/* + * Given the adaptation luminance, this function returns the + * threshold of visibility in cd per m^2 + * TVI means Threshold vs Intensity function + * This version comes from Ward Larson Siggraph 1997 + */ +static float +tvi (float adaptation_luminance) +{ + /* returns the threshold luminance given the adaptation luminance + units are candelas per meter squared + */ + float log_a, r, result; + log_a = log10f(adaptation_luminance); + + if (log_a < -3.94f) { + r = -2.86f; + } else if (log_a < -1.44f) { + r = powf(0.405f * log_a + 1.6f , 2.18f) - 2.86f; + } else if (log_a < -0.0184f) { + r = log_a - 0.395f; + } else if (log_a < 1.9f) { + r = powf(0.249f * log_a + 0.65f, 2.7f) - 0.72f; + } else { + r = log_a - 1.255f; + } + + result = powf(10.0f , r); + + return result; +} + +/* computes the contrast sensitivity function (Barten SPIE 1989) + * given the cycles per degree (cpd) and luminance (lum) + */ +static float +csf (float cpd, float lum) +{ + float a, b, result; + + a = 440.0f * powf((1.0f + 0.7f / lum), -0.2f); + b = 0.3f * powf((1.0f + 100.0f / lum), 0.15f); + + result = a * cpd * expf(-b * cpd) * sqrtf(1.0f + 0.06f * expf(b * cpd)); + + return result; +} + +/* + * Visual Masking Function + * from Daly 1993 + */ +static float +mask (float contrast) +{ + float a, b, result; + a = powf(392.498f * contrast, 0.7f); + b = powf(0.0153f * a, 4.0f); + result = powf(1.0f + b, 0.25f); + + return result; +} + +/* convert Adobe RGB (1998) with reference white D65 to XYZ */ +static void +AdobeRGBToXYZ (float r, float g, float b, float *x, float *y, float *z) +{ + /* matrix is from http://www.brucelindbloom.com/ */ + *x = r * 0.576700f + g * 0.185556f + b * 0.188212f; + *y = r * 0.297361f + g * 0.627355f + b * 0.0752847f; + *z = r * 0.0270328f + g * 0.0706879f + b * 0.991248f; +} + +static void +XYZToLAB (float x, float y, float z, float *L, float *A, float *B) +{ + static float xw = -1; + static float yw; + static float zw; + const float epsilon = 216.0f / 24389.0f; + const float kappa = 24389.0f / 27.0f; + float f[3]; + float r[3]; + int i; + + /* reference white */ + if (xw < 0) { + AdobeRGBToXYZ(1, 1, 1, &xw, &yw, &zw); + } + r[0] = x / xw; + r[1] = y / yw; + r[2] = z / zw; + for (i = 0; i < 3; i++) { + if (r[i] > epsilon) { + f[i] = powf(r[i], 1.0f / 3.0f); + } else { + f[i] = (kappa * r[i] + 16.0f) / 116.0f; + } + } + *L = 116.0f * f[1] - 16.0f; + *A = 500.0f * (f[0] - f[1]); + *B = 200.0f * (f[1] - f[2]); +} + +static uint32_t +_get_pixel (const uint32_t *data, int i) +{ + return data[i]; +} + +static unsigned char +_get_red (const uint32_t *data, int i) +{ + uint32_t pixel; + uint8_t alpha; + + pixel = _get_pixel (data, i); + alpha = (pixel & 0xff000000) >> 24; + if (alpha == 0) + return 0; + else + return (((pixel & 0x00ff0000) >> 16) * 255 + alpha / 2) / alpha; +} + +static unsigned char +_get_green (const uint32_t *data, int i) +{ + uint32_t pixel; + uint8_t alpha; + + pixel = _get_pixel (data, i); + alpha = (pixel & 0xff000000) >> 24; + if (alpha == 0) + return 0; + else + return (((pixel & 0x0000ff00) >> 8) * 255 + alpha / 2) / alpha; +} + +static unsigned char +_get_blue (const uint32_t *data, int i) +{ + uint32_t pixel; + uint8_t alpha; + + pixel = _get_pixel (data, i); + alpha = (pixel & 0xff000000) >> 24; + if (alpha == 0) + return 0; + else + return (((pixel & 0x000000ff) >> 0) * 255 + alpha / 2) / alpha; +} + +static void * +xmalloc (size_t size) +{ + void *buf; + + buf = malloc (size); + if (buf == NULL) { + fprintf (stderr, "Out of memory.\n"); + exit (1); + } + + return buf; +} + +int +pdiff_compare (cairo_surface_t *surface_a, + cairo_surface_t *surface_b, + double gamma, + double luminance, + double field_of_view) +{ + unsigned int dim = (cairo_image_surface_get_width (surface_a) + * cairo_image_surface_get_height (surface_a)); + unsigned int i; + + /* assuming colorspaces are in Adobe RGB (1998) convert to XYZ */ + float *aX; + float *aY; + float *aZ; + float *bX; + float *bY; + float *bZ; + float *aLum; + float *bLum; + + float *aA; + float *bA; + float *aB; + float *bB; + + unsigned int x, y, w, h; + + lpyramid_t *la, *lb; + + float num_one_degree_pixels, pixels_per_degree, num_pixels; + unsigned int adaptation_level; + + float cpd[MAX_PYR_LEVELS]; + float F_freq[MAX_PYR_LEVELS - 2]; + float csf_max; + const uint32_t *data_a, *data_b; + + unsigned int pixels_failed; + + w = cairo_image_surface_get_width (surface_a); + h = cairo_image_surface_get_height (surface_a); + if (w < 3 || h < 3) /* too small for the Laplacian convolution */ + return -1; + + aX = xmalloc (dim * sizeof (float)); + aY = xmalloc (dim * sizeof (float)); + aZ = xmalloc (dim * sizeof (float)); + bX = xmalloc (dim * sizeof (float)); + bY = xmalloc (dim * sizeof (float)); + bZ = xmalloc (dim * sizeof (float)); + aLum = xmalloc (dim * sizeof (float)); + bLum = xmalloc (dim * sizeof (float)); + + aA = xmalloc (dim * sizeof (float)); + bA = xmalloc (dim * sizeof (float)); + aB = xmalloc (dim * sizeof (float)); + bB = xmalloc (dim * sizeof (float)); + + data_a = (uint32_t *) cairo_image_surface_get_data (surface_a); + data_b = (uint32_t *) cairo_image_surface_get_data (surface_b); + for (y = 0; y < h; y++) { + for (x = 0; x < w; x++) { + float r, g, b, l; + i = x + y * w; + r = powf(_get_red (data_a, i) / 255.0f, gamma); + g = powf(_get_green (data_a, i) / 255.0f, gamma); + b = powf(_get_blue (data_a, i) / 255.0f, gamma); + + AdobeRGBToXYZ(r,g,b,&aX[i],&aY[i],&aZ[i]); + XYZToLAB(aX[i], aY[i], aZ[i], &l, &aA[i], &aB[i]); + r = powf(_get_red (data_b, i) / 255.0f, gamma); + g = powf(_get_green (data_b, i) / 255.0f, gamma); + b = powf(_get_blue (data_b, i) / 255.0f, gamma); + + AdobeRGBToXYZ(r,g,b,&bX[i],&bY[i],&bZ[i]); + XYZToLAB(bX[i], bY[i], bZ[i], &l, &bA[i], &bB[i]); + aLum[i] = aY[i] * luminance; + bLum[i] = bY[i] * luminance; + } + } + + la = lpyramid_create (aLum, w, h); + lb = lpyramid_create (bLum, w, h); + + num_one_degree_pixels = (float) (2 * tan(field_of_view * 0.5 * M_PI / 180) * 180 / M_PI); + pixels_per_degree = w / num_one_degree_pixels; + + num_pixels = 1; + adaptation_level = 0; + for (i = 0; i < MAX_PYR_LEVELS; i++) { + adaptation_level = i; + if (num_pixels > num_one_degree_pixels) break; + num_pixels *= 2; + } + + cpd[0] = 0.5f * pixels_per_degree; + for (i = 1; i < MAX_PYR_LEVELS; i++) cpd[i] = 0.5f * cpd[i - 1]; + csf_max = csf(3.248f, 100.0f); + + for (i = 0; i < MAX_PYR_LEVELS - 2; i++) F_freq[i] = csf_max / csf( cpd[i], 100.0f); + + pixels_failed = 0; + for (y = 0; y < h; y++) { + for (x = 0; x < w; x++) { + int index = x + y * w; + float contrast[MAX_PYR_LEVELS - 2]; + float F_mask[MAX_PYR_LEVELS - 2]; + float factor; + float delta; + float adapt; + bool pass; + float sum_contrast = 0; + for (i = 0; i < MAX_PYR_LEVELS - 2; i++) { + float n1 = fabsf(lpyramid_get_value (la,x,y,i) - lpyramid_get_value (la,x,y,i + 1)); + float n2 = fabsf(lpyramid_get_value (lb,x,y,i) - lpyramid_get_value (lb,x,y,i + 1)); + float numerator = (n1 > n2) ? n1 : n2; + float d1 = fabsf(lpyramid_get_value(la,x,y,i+2)); + float d2 = fabsf(lpyramid_get_value(lb,x,y,i+2)); + float denominator = (d1 > d2) ? d1 : d2; + if (denominator < 1e-5f) denominator = 1e-5f; + contrast[i] = numerator / denominator; + sum_contrast += contrast[i]; + } + if (sum_contrast < 1e-5) sum_contrast = 1e-5f; + adapt = lpyramid_get_value(la,x,y,adaptation_level) + lpyramid_get_value(lb,x,y,adaptation_level); + adapt *= 0.5f; + if (adapt < 1e-5) adapt = 1e-5f; + for (i = 0; i < MAX_PYR_LEVELS - 2; i++) { + F_mask[i] = mask(contrast[i] * csf(cpd[i], adapt)); + } + factor = 0; + for (i = 0; i < MAX_PYR_LEVELS - 2; i++) { + factor += contrast[i] * F_freq[i] * F_mask[i] / sum_contrast; + } + if (factor < 1) factor = 1; + if (factor > 10) factor = 10; + delta = fabsf(lpyramid_get_value(la,x,y,0) - lpyramid_get_value(lb,x,y,0)); + pass = true; + /* pure luminance test */ + if (delta > factor * tvi(adapt)) { + pass = false; + } else { + /* CIE delta E test with modifications */ + float color_scale = 1.0f; + float da = aA[index] - bA[index]; + float db = aB[index] - bB[index]; + float delta_e; + /* ramp down the color test in scotopic regions */ + if (adapt < 10.0f) { + color_scale = 1.0f - (10.0f - color_scale) / 10.0f; + color_scale = color_scale * color_scale; + } + da = da * da; + db = db * db; + delta_e = (da + db) * color_scale; + if (delta_e > factor) { + pass = false; + } + } + if (!pass) + pixels_failed++; + } + } + + free (aX); + free (aY); + free (aZ); + free (bX); + free (bY); + free (bZ); + free (aLum); + free (bLum); + lpyramid_destroy (la); + lpyramid_destroy (lb); + free (aA); + free (bA); + free (aB); + free (bB); + + return pixels_failed; +} diff --git a/test/pdiff/pdiff.h b/test/pdiff/pdiff.h new file mode 100644 index 000000000..30fec06cf --- /dev/null +++ b/test/pdiff/pdiff.h @@ -0,0 +1,40 @@ +/* + Copyright (C) 2006 Yangli Hector Yee + Copyright (C) 2006 Red Hat, Inc. + + This program is free software; you can redistribute it and/or modify it under the terms of the + GNU General Public License as published by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with this program; + if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA +*/ + +#ifndef _PDIFF_H +#define _PDIFF_H + +#include <cairo.h> + +typedef int bool; +#ifndef true +#define true 1 +#endif +#ifndef false +#define false 0 +#endif + +/* Image comparison metric using Yee's method (and a cairo interface) + * References: A Perceptual Metric for Production Testing, Hector Yee, Journal of Graphics Tools 2004 + */ +int +pdiff_compare (cairo_surface_t *surface_a, + cairo_surface_t *surface_b, + double gamma, + double luminance, + double field_of_view); + +#endif diff --git a/test/pdiff/perceptualdiff.c b/test/pdiff/perceptualdiff.c new file mode 100644 index 000000000..5850dc916 --- /dev/null +++ b/test/pdiff/perceptualdiff.c @@ -0,0 +1,101 @@ +/* + PerceptualDiff - a program that compares two images using a perceptual metric + based on the paper : + A perceptual metric for production testing. Journal of graphics tools, 9(4):33-40, 2004, Hector Yee + Copyright (C) 2006 Yangli Hector Yee + + This program is free software; you can redistribute it and/or modify it under the terms of the + GNU General Public License as published by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with this program; + if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA +*/ + +#include <stdio.h> +#include <stdint.h> +#include <string.h> +#include <math.h> +#include "lpyramid.h" +#include "args.h" +#include "pdiff.h" + +static bool Yee_Compare(args_t *args) +{ + unsigned int width_a, height_a, stride_a; + unsigned char *data_a, *row_a; + uint32_t *pixel_a; + unsigned int width_b, height_b, stride_b; + unsigned char *data_b, *row_b; + uint32_t *pixel_b; + unsigned int x, y, pixels_failed; + bool identical = true; + + width_a = cairo_image_surface_get_width (args->surface_a); + height_a = cairo_image_surface_get_height (args->surface_a); + stride_a = cairo_image_surface_get_stride (args->surface_a); + data_a = cairo_image_surface_get_data (args->surface_a); + + width_b = cairo_image_surface_get_width (args->surface_b); + height_b = cairo_image_surface_get_height (args->surface_b); + stride_b = cairo_image_surface_get_stride (args->surface_b); + data_b = cairo_image_surface_get_data (args->surface_b); + + if ((width_a != width_b) || (height_a != height_b)) { + printf ("FAIL: Image dimensions do not match\n"); + return false; + } + + identical = true; + + for (y = 0; y < height_a; y++) { + row_a = data_a + y * stride_a; + row_b = data_b + y * stride_b; + pixel_a = (uint32_t *) row_a; + pixel_b = (uint32_t *) row_b; + for (x = 0; x < width_a; x++) { + if (*pixel_a != *pixel_b) { + identical = false; + } + pixel_a++; + pixel_b++; + } + } + if (identical) { + printf ("PASS: Images are binary identical\n"); + return true; + } + + pixels_failed = pdiff_compare (args->surface_a, args->surface_b, + args->Gamma, args->Luminance, + args->FieldOfView); + + if (pixels_failed < args->ThresholdPixels) { + printf ("PASS: Images are perceptually indistinguishable\n"); + return true; + } + + printf("FAIL: Images are visibly different\n" + "%d pixels are different\n", pixels_failed); + + return false; +} + +int main(int argc, char **argv) +{ + args_t args; + + args_init (&args); + + if (!args_parse (&args, argc, argv)) { + return -1; + } else { + if (args.Verbose) + args_print (&args); + } + return ! Yee_Compare(&args); +} diff --git a/test/pixman-downscale.c b/test/pixman-downscale.c new file mode 100644 index 000000000..6b653d223 --- /dev/null +++ b/test/pixman-downscale.c @@ -0,0 +1,203 @@ +/* + * Copyright © 2013 Samsung Electronics + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Bryce Harrington <b.harrington@samsung.com> + */ + +/* This test exercises scaling a png image to smaller pixel dimensions + * + * Currently, this exercises several of pixman's scaling filters. + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <stdlib.h> + +#include <cairo.h> + +static const char png_filename[] = "quad-color.png"; + +/* Draw an image scaled down, with antialiasing disabled */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height, cairo_filter_t filter) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image; + double x_scale, y_scale, scale; + + cairo_set_source_rgb (cr, 1, 1, 1); + image = cairo_test_create_surface_from_png (ctx, png_filename); + x_scale = width * 1.0 / cairo_image_surface_get_width (image); + y_scale = height * 1.0 / cairo_image_surface_get_height (image); + scale = x_scale < y_scale ? x_scale : y_scale; + + cairo_save (cr); + cairo_scale (cr, scale, scale); + cairo_set_source_surface (cr, image, 0, 0); + cairo_pattern_set_filter (cairo_get_source (cr), filter); + cairo_paint (cr); + cairo_restore (cr); + cairo_surface_destroy (image); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_fast (cairo_t *cr, int width, int height) +{ + return draw (cr, width, height, CAIRO_FILTER_FAST); +} + +static cairo_test_status_t +draw_good (cairo_t *cr, int width, int height) +{ + return draw (cr, width, height, CAIRO_FILTER_GOOD); +} + +static cairo_test_status_t +draw_best (cairo_t *cr, int width, int height) +{ + return draw (cr, width, height, CAIRO_FILTER_BEST); +} + +static cairo_test_status_t +draw_nearest (cairo_t *cr, int width, int height) +{ + return draw (cr, width, height, CAIRO_FILTER_NEAREST); +} + +static cairo_test_status_t +draw_bilinear (cairo_t *cr, int width, int height) +{ + return draw (cr, width, height, CAIRO_FILTER_BILINEAR); +} + +CAIRO_TEST (pixman_downscale_fast_96, + "Tests scaling to equivalent size using the fast filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 96, 96, + NULL, draw_fast) + +CAIRO_TEST (pixman_downscale_fast_95, + "Tests downscaling by a single pixel using the fast filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 95, 95, + NULL, draw_fast) + +CAIRO_TEST (pixman_downscale_fast_24, + "Tests downscaling by an even multiple using the fast filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 24, 24, + NULL, draw_fast) + + +CAIRO_TEST (pixman_downscale_good_96, + "Tests scaling to equivalent size using the good filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 96, 96, + NULL, draw_good) + +CAIRO_TEST (pixman_downscale_good_95, + "Tests downscaling by a single pixel using the good filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 95, 95, + NULL, draw_good) + +CAIRO_TEST (pixman_downscale_good_24, + "Tests downscaling by an even multiple using the good filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 24, 24, + NULL, draw_good) + + +CAIRO_TEST (pixman_downscale_best_96, + "Tests scaling to equivalent size using the best filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 96, 96, + NULL, draw_best) + +CAIRO_TEST (pixman_downscale_best_95, + "Tests downscaling by a single pixel using the best filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 95, 95, + NULL, draw_best) + +CAIRO_TEST (pixman_downscale_best_24, + "Tests downscaling by an even multiple using the best filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 24, 24, + NULL, draw_best) + + +CAIRO_TEST (pixman_downscale_nearest_96, + "Tests scaling to equivalent size using the nearest filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 96, 96, + NULL, draw_nearest) + +CAIRO_TEST (pixman_downscale_nearest_95, + "Tests downscaling by a single pixel using the nearest filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 95, 95, + NULL, draw_nearest) + +CAIRO_TEST (pixman_downscale_nearest_24, + "Tests downscaling by an even multiple using the nearest filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 24, 24, + NULL, draw_nearest) + + +CAIRO_TEST (pixman_downscale_bilinear_96, + "Tests scaling to equivalent size using the bilinear filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 96, 96, + NULL, draw_bilinear) + +CAIRO_TEST (pixman_downscale_bilinear_95, + "Tests downscaling by a single pixel using the bilinear filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 95, 95, + NULL, draw_bilinear) + +CAIRO_TEST (pixman_downscale_bilinear_24, + "Tests downscaling by an even multiple using the bilinear filter", + "image, transform, raster, downscale", /* keywords */ + NULL, /* requirements */ + 24, 24, + NULL, draw_bilinear) diff --git a/test/pixman-rotate.c b/test/pixman-rotate.c new file mode 100644 index 000000000..e0d0fc885 --- /dev/null +++ b/test/pixman-rotate.c @@ -0,0 +1,92 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> + +#include <cairo.h> + +#define WIDTH 32 +#define HEIGHT WIDTH + +#define IMAGE_WIDTH (3 * WIDTH) +#define IMAGE_HEIGHT IMAGE_WIDTH + +/* Draw the word cairo at NUM_TEXT different angles */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *stamp; + cairo_t *cr2; + + /* Draw a translucent rectangle for reference where the rotated + * image should be. */ + cairo_new_path (cr); + cairo_rectangle (cr, WIDTH, HEIGHT, WIDTH, HEIGHT); + cairo_set_source_rgba (cr, 1, 1, 0, 0.3); + cairo_fill (cr); + +#if 1 /* Set to 0 to generate reference image */ + cairo_translate (cr, 2 * WIDTH, 2 * HEIGHT); + cairo_rotate (cr, M_PI); +#else + cairo_translate (cr, WIDTH, HEIGHT); +#endif + + stamp = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + WIDTH, HEIGHT); + cr2 = cairo_create (stamp); + cairo_surface_destroy (stamp); + { + cairo_new_path (cr2); + cairo_rectangle (cr2, WIDTH / 4, HEIGHT / 4, WIDTH / 2, HEIGHT / 2); + cairo_set_source_rgba (cr2, 1, 0, 0, 0.8); + cairo_fill (cr2); + + cairo_rectangle (cr2, 0, 0, WIDTH, HEIGHT); + cairo_set_line_width (cr2, 2); + cairo_set_source_rgb (cr2, 0, 0, 0); + cairo_stroke (cr2); + } + cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (pixman_rotate, + "Exposes pixman off-by-one error when rotating", + "image, transform", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/png-flatten.c b/test/png-flatten.c new file mode 100644 index 000000000..2ce804ea6 --- /dev/null +++ b/test/png-flatten.c @@ -0,0 +1,77 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl Worth <cworth@cworth.org> + */ + +#include <stdio.h> + +#include <cairo.h> + +int +main (int argc, char *argv[]) +{ + cairo_t *cr; + cairo_surface_t *argb, *rgb24; + cairo_status_t status; + const char *input, *output; + + if (argc != 3) { + fprintf (stderr, "usage: %s input.png output.png", argv[0]); + fprintf (stderr, "Loads a PNG image (potentially with alpha) and writes out a flattened (no alpha)\nPNG image by first blending over white.\n"); + return 1; + } + + input = argv[1]; + output = argv[2]; + + argb = cairo_image_surface_create_from_png (input); + status = cairo_surface_status (argb); + if (status) { + fprintf (stderr, "%s: Error: Failed to load %s: %s\n", + argv[0], input, cairo_status_to_string (status)); + return 1; + } + + rgb24 = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + cairo_image_surface_get_width (argb), + cairo_image_surface_get_height (argb)); + + cr = cairo_create (rgb24); + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_surface (cr, argb, 0, 0); + cairo_paint (cr); + + cairo_destroy (cr); + + status = cairo_surface_write_to_png (rgb24, output); + if (status) { + fprintf (stderr, "%s: Error: Failed to write %s: %s\n", + argv[0], output, cairo_status_to_string (status)); + return 1; + } + + return 0; +} diff --git a/test/png.c b/test/png.c new file mode 100644 index 000000000..c01fbd7bd --- /dev/null +++ b/test/png.c @@ -0,0 +1,172 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#include <assert.h> + +/* Test the idempotency of write_png->read_png */ + +#define RGB_MASK 0x00ffffff +#define BASENAME "png.out" + +static cairo_bool_t +image_surface_equals (cairo_surface_t *A, cairo_surface_t *B) +{ + if (cairo_image_surface_get_format (A) != + cairo_image_surface_get_format (B)) + return 0; + + if (cairo_image_surface_get_width (A) != + cairo_image_surface_get_width (B)) + return 0; + + if (cairo_image_surface_get_height (A) != + cairo_image_surface_get_height (B)) + return 0; + + return 1; +} + +static const char * +format_to_string (cairo_format_t format) +{ + switch (format) { + case CAIRO_FORMAT_A1: return "a1"; + case CAIRO_FORMAT_A8: return "a8"; + case CAIRO_FORMAT_RGB16_565: return "rgb16"; + case CAIRO_FORMAT_RGB24: return "rgb24"; + case CAIRO_FORMAT_RGB30: return "rgb30"; + case CAIRO_FORMAT_ARGB32: return "argb32"; + case CAIRO_FORMAT_INVALID: + default: return "???"; + } +} + +static void +print_surface (const cairo_test_context_t *ctx, cairo_surface_t *surface) +{ + cairo_test_log (ctx, + "%s (%dx%d)\n", + format_to_string (cairo_image_surface_get_format (surface)), + cairo_image_surface_get_width (surface), + cairo_image_surface_get_height (surface)); +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface0, *surface1; + cairo_status_t status; + uint32_t argb32 = 0xdeadbede; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + xasprintf (&filename, "%s/%s.png", path, BASENAME); + surface0 = cairo_image_surface_create_for_data ((unsigned char *) &argb32, + CAIRO_FORMAT_ARGB32, + 1, 1, 4); + status = cairo_surface_write_to_png (surface0, filename); + if (status) { + cairo_test_log (ctx, "Error writing '%s': %s\n", + filename, cairo_status_to_string (status)); + + cairo_surface_destroy (surface0); + free (filename); + return cairo_test_status_from_status (ctx, status); + } + surface1 = cairo_image_surface_create_from_png (filename); + status = cairo_surface_status (surface1); + if (status) { + cairo_test_log (ctx, "Error reading '%s': %s\n", + filename, cairo_status_to_string (status)); + + cairo_surface_destroy (surface1); + cairo_surface_destroy (surface0); + free (filename); + return cairo_test_status_from_status (ctx, status); + } + + if (! image_surface_equals (surface0, surface1)) { + cairo_test_log (ctx, "Error surface mismatch.\n"); + cairo_test_log (ctx, "to png: "); print_surface (ctx, surface0); + cairo_test_log (ctx, "from png: "); print_surface (ctx, surface1); + + cairo_surface_destroy (surface0); + cairo_surface_destroy (surface1); + free (filename); + return CAIRO_TEST_FAILURE; + } + assert (*(uint32_t *) cairo_image_surface_get_data (surface1) == argb32); + + cairo_surface_destroy (surface0); + cairo_surface_destroy (surface1); + + surface0 = cairo_image_surface_create_for_data ((unsigned char *) &argb32, + CAIRO_FORMAT_RGB24, + 1, 1, 4); + status = cairo_surface_write_to_png (surface0, filename); + if (status) { + cairo_test_log (ctx, "Error writing '%s': %s\n", + filename, cairo_status_to_string (status)); + cairo_surface_destroy (surface0); + return cairo_test_status_from_status (ctx, status); + } + surface1 = cairo_image_surface_create_from_png (filename); + status = cairo_surface_status (surface1); + free (filename); + if (status) { + cairo_test_log (ctx, "Error reading '%s': %s\n", + filename, cairo_status_to_string (status)); + + cairo_surface_destroy (surface1); + cairo_surface_destroy (surface0); + return cairo_test_status_from_status (ctx, status); + } + + if (! image_surface_equals (surface0, surface1)) { + cairo_test_log (ctx, "Error surface mismatch.\n"); + cairo_test_log (ctx, "to png: "); print_surface (ctx, surface0); + cairo_test_log (ctx, "from png: "); print_surface (ctx, surface1); + + cairo_surface_destroy (surface0); + cairo_surface_destroy (surface1); + return CAIRO_TEST_FAILURE; + } + assert ((*(uint32_t *) cairo_image_surface_get_data (surface1) & RGB_MASK) + == (argb32 & RGB_MASK)); + + cairo_surface_destroy (surface0); + cairo_surface_destroy (surface1); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (png, + "Check that the png export/import is idempotent.", + "png, api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/png.png b/test/png.png Binary files differnew file mode 100644 index 000000000..56c428e12 --- /dev/null +++ b/test/png.png diff --git a/test/ps-eps.c b/test/ps-eps.c new file mode 100644 index 000000000..de1248d81 --- /dev/null +++ b/test/ps-eps.c @@ -0,0 +1,354 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * Copyright © 2009 Adrian Johnson + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Adrian Johnson <ajohnson@redneon.com> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <cairo.h> +#include <cairo-ps.h> + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#include <errno.h> +#endif +#if HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif + +#include "cairo-test.h" +#include "buffer-diff.h" + +/* Test EPS output. + */ + +#define WIDTH 595 +#define HEIGHT 842 + +/* Reference Bounding Box */ +#define LLX 95 +#define LLY 687 +#define URX 155 +#define URY 747 + +static void +_xunlink (const cairo_test_context_t *ctx, const char *pathname) +{ + if (unlink (pathname) < 0 && errno != ENOENT) { + cairo_test_log (ctx, "Error: Cannot remove %s: %s\n", + pathname, strerror (errno)); + exit (1); + } +} + +static cairo_bool_t +check_result (cairo_test_context_t *ctx, + const cairo_boilerplate_target_t *target, + const char *test_name, + const char *base_name, + cairo_surface_t *surface) +{ + const char *format; + char *ref_name; + char *png_name; + char *diff_name; + cairo_surface_t *test_image, *ref_image, *diff_image; + buffer_diff_result_t result; + cairo_status_t status; + cairo_bool_t ret; + + /* XXX log target, OUTPUT, REFERENCE, DIFFERENCE for index.html */ + + if (target->finish_surface != NULL) { + status = target->finish_surface (surface); + if (status) { + cairo_test_log (ctx, "Error: Failed to finish surface: %s\n", + cairo_status_to_string (status)); + cairo_surface_destroy (surface); + return FALSE; + } + } + + xasprintf (&png_name, "%s.out.png", base_name); + xasprintf (&diff_name, "%s.diff.png", base_name); + + test_image = target->get_image_surface (surface, 0, WIDTH, HEIGHT); + if (cairo_surface_status (test_image)) { + cairo_test_log (ctx, "Error: Failed to extract page: %s\n", + cairo_status_to_string (cairo_surface_status (test_image))); + cairo_surface_destroy (test_image); + free (png_name); + free (diff_name); + return FALSE; + } + + _xunlink (ctx, png_name); + status = cairo_surface_write_to_png (test_image, png_name); + if (status) { + cairo_test_log (ctx, "Error: Failed to write output image: %s\n", + cairo_status_to_string (status)); + cairo_surface_destroy (test_image); + free (png_name); + free (diff_name); + return FALSE; + } + + format = cairo_boilerplate_content_name (target->content); + ref_name = cairo_test_reference_filename (ctx, + base_name, + test_name, + target->name, + target->basename, + format, + CAIRO_TEST_REF_SUFFIX, + CAIRO_TEST_PNG_EXTENSION); + if (ref_name == NULL) { + cairo_test_log (ctx, "Error: Cannot find reference image for %s\n", + base_name); + cairo_surface_destroy (test_image); + free (png_name); + free (diff_name); + return FALSE; + } + + ref_image = cairo_test_get_reference_image (ctx, ref_name, + target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED); + if (cairo_surface_status (ref_image)) { + cairo_test_log (ctx, "Error: Cannot open reference image for %s: %s\n", + ref_name, + cairo_status_to_string (cairo_surface_status (ref_image))); + cairo_surface_destroy (ref_image); + cairo_surface_destroy (test_image); + free (png_name); + free (diff_name); + free (ref_name); + return FALSE; + } + + diff_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + WIDTH, HEIGHT); + + ret = TRUE; + status = image_diff (ctx, + test_image, ref_image, diff_image, + &result); + _xunlink (ctx, diff_name); + if (status) { + cairo_test_log (ctx, "Error: Failed to compare images: %s\n", + cairo_status_to_string (status)); + ret = FALSE; + } else if (image_diff_is_failure (&result, target->error_tolerance)) + { + ret = FALSE; + + status = cairo_surface_write_to_png (diff_image, diff_name); + if (status) { + cairo_test_log (ctx, "Error: Failed to write differences image: %s\n", + cairo_status_to_string (status)); + } + } + + cairo_surface_destroy (test_image); + cairo_surface_destroy (diff_image); + free (png_name); + free (diff_name); + free (ref_name); + + return ret; +} + + +#define DOCUMENT_BBOX "%%BoundingBox:" +#define PAGE_BBOX "%%PageBoundingBox:" + +static cairo_bool_t +check_bbox (cairo_test_context_t *ctx, + const char *base_name) +{ + char *filename; + FILE *f; + char buf[256]; + cairo_bool_t bbox_pass, page_bbox_pass; + int llx, lly, urx, ury; + int ret; + + xasprintf (&filename, "%s.out.ps", base_name); + f = fopen (filename, "r"); + if (!f) { + cairo_test_log (ctx, "Error: Cannot open EPS output: %s\n", + base_name); + free (filename); + return FALSE; + } + + bbox_pass = FALSE; + page_bbox_pass = FALSE; + while (!feof(f)) { + if (fgets (buf, sizeof(buf), f) == (char *)EOF) { + cairo_test_log (ctx, "Error: Unexpected EOF in %s\n", + filename); + break; + } + + if (strncmp (buf, DOCUMENT_BBOX, strlen (DOCUMENT_BBOX)) == 0) { + ret = sscanf (buf+strlen (DOCUMENT_BBOX), "%d %d %d %d", &llx, &lly, &urx, &ury); + if (ret == 4 && llx == LLX && lly == LLY && urx == URX && ury == URY) + bbox_pass = TRUE; + } + + if (strncmp (buf, PAGE_BBOX, strlen (PAGE_BBOX)) == 0) { + ret = sscanf (buf+strlen (PAGE_BBOX), "%d %d %d %d", &llx, &lly, &urx, &ury); + if (ret == 4 && llx == LLX && lly == LLY && urx == URX && ury == URY) + page_bbox_pass = TRUE; + } + } + fclose (f); + + if (!bbox_pass || !page_bbox_pass) { + cairo_test_log (ctx, "Error: EPS Bounding Box does not match reference Bounding Box\n"); + return FALSE; + } + + free (filename); + + return TRUE; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_t *cr; + cairo_test_status_t ret = CAIRO_TEST_UNTESTED; + unsigned int i; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + for (i = 0; i < ctx->num_targets; i++) { + const cairo_boilerplate_target_t *target = ctx->targets_to_test[i]; + cairo_surface_t *surface = NULL; + char *base_name; + void *closure; + const char *format; + cairo_status_t status; + cairo_bool_t pass; + char *test_name; + + if (! cairo_test_is_target_enabled (ctx, target->name)) + continue; + + format = cairo_boilerplate_content_name (target->content); + xasprintf (&test_name, "ps-eps"); + xasprintf (&base_name, "%s/ps-eps.%s.%s", + path, target->name, format); + + surface = (target->create_surface) (base_name, + target->content, + WIDTH, HEIGHT, + WIDTH, HEIGHT, + CAIRO_BOILERPLATE_MODE_TEST, + &closure); + + if (surface == NULL) { + free (base_name); + free (test_name); + continue; + } + + cairo_ps_surface_set_eps (surface, TRUE); + if (!cairo_ps_surface_get_eps (surface)) { + cairo_surface_destroy (surface); + if (target->cleanup) + target->cleanup (closure); + + free (base_name); + free (test_name); + continue; + } + + cairo_test_log (ctx, + "Testing ps-eps with %s target\n", + target->name); + printf ("%s:\t", base_name); + fflush (stdout); + + cairo_surface_set_device_offset (surface, 25, 25); + cr = cairo_create (surface); + + cairo_new_sub_path (cr); + cairo_arc (cr, 100, 100, 25, 0, 2*M_PI); + cairo_set_line_width (cr, 10); + cairo_stroke (cr); + + cairo_show_page (cr); + + status = cairo_status (cr); + cairo_destroy (cr); + + if (status) { + cairo_test_log (ctx, "Error: Failed to create target surface: %s\n", + cairo_status_to_string (status)); + pass = FALSE; + } else { + pass = TRUE; + /* extract the image and compare it to our reference */ + if (! check_result (ctx, target, test_name, base_name, surface)) + pass = FALSE; + + /* check the bounding box of the EPS file and compare it to our reference */ + if (! check_bbox (ctx, base_name)) + pass = FALSE; + } + cairo_surface_destroy (surface); + if (target->cleanup) + target->cleanup (closure); + + free (base_name); + free (test_name); + + if (pass) { + printf ("PASS\n"); + ret = CAIRO_TEST_SUCCESS; + } else { + printf ("FAIL\n"); + ret = CAIRO_TEST_FAILURE; + } + fflush (stdout); + } + + return ret; +} + +CAIRO_TEST (ps_eps, + "Check EPS output from PS surface", + "ps, api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/ps-features.c b/test/ps-features.c new file mode 100644 index 000000000..d1abf91fe --- /dev/null +++ b/test/ps-features.c @@ -0,0 +1,166 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <cairo.h> +#include <cairo-ps.h> + +/* This test exists to test the various features of cairo-ps.h. + * + * Currently, this test exercises the following function calls: + * + * cairo_ps_surface_set_size + * cairo_ps_surface_dsc_comment + * cairo_ps_surface_dsc_begin_setup + * cairo_ps_surface_dsc_begin_page_setup + */ + +#define INCHES_TO_POINTS(in) ((in) * 72.0) +#define MM_TO_POINTS(mm) ((mm) / 25.4 * 72.0) +#define TEXT_SIZE 12 +#define BASENAME "ps-features.out" + +static struct { + const char *page_size; + const char *page_size_alias; + const char *orientation; + double width_in_points; + double height_in_points; +} pages[] = { + {"na_letter_8.5x11in", "letter", "portrait", + INCHES_TO_POINTS(8.5), INCHES_TO_POINTS(11)}, + {"na_letter_8.5x11in", "letter", "landscape", + INCHES_TO_POINTS(11), INCHES_TO_POINTS(8.5)}, + {"iso_a4_210x297mm", "a4", "portrait", + MM_TO_POINTS(210), MM_TO_POINTS(297)}, + {"iso_a4_210x297mm", "a4", "landscape", + MM_TO_POINTS(297), MM_TO_POINTS(210)}, + {"iso_a5_148x210mm", "a5", "portrait", + MM_TO_POINTS(148), MM_TO_POINTS(210)}, + {"iso_a5_148x210mm", "a5", "landscape", + MM_TO_POINTS(210), MM_TO_POINTS(148)}, + {"iso_a6_105x148mm", "a6", "portrait", + MM_TO_POINTS(105), MM_TO_POINTS(148)}, + {"iso_a6_105x148mm", "a6", "landscape", + MM_TO_POINTS(148), MM_TO_POINTS(105)}, + {"iso_a7_74x105mm", "a7", "portrait", + MM_TO_POINTS(74), MM_TO_POINTS(105)}, + {"iso_a7_74x105mm", "a7", "landscape", + MM_TO_POINTS(105), MM_TO_POINTS(74)}, + {"iso_a8_52x74mm", "a8", "portrait", + MM_TO_POINTS(52), MM_TO_POINTS(74)}, + {"iso_a8_52x74mm", "a8", "landscape", + MM_TO_POINTS(74), MM_TO_POINTS(52)}, + {"iso_a9_37x52mm", "a9", "portrait", + MM_TO_POINTS(37), MM_TO_POINTS(52)}, + {"iso_a9_37x52mm", "a9", "landscape", + MM_TO_POINTS(52), MM_TO_POINTS(37)}, + {"iso_a10_26x37mm", "a10", "portrait", + MM_TO_POINTS(26), MM_TO_POINTS(37)}, + {"iso_a10_26x37mm", "a10", "landscape", + MM_TO_POINTS(37), MM_TO_POINTS(26)} +}; + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface; + cairo_t *cr; + cairo_status_t status; + size_t i; + char dsc[255]; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + if (! (cairo_test_is_target_enabled (ctx, "ps2") || + cairo_test_is_target_enabled (ctx, "ps3"))) + { + return CAIRO_TEST_UNTESTED; + } + + xasprintf (&filename, "%s/%s.ps", path, BASENAME); + /* We demonstrate that the initial size doesn't matter (we're + * passing 0,0), if we use cairo_ps_surface_set_size on the first + * page. */ + surface = cairo_ps_surface_create (filename, 0, 0); + + cairo_ps_surface_dsc_comment (surface, "%%Title: ps-features"); + cairo_ps_surface_dsc_comment (surface, "%%Copyright: Copyright (C) 2006 Red Hat, Inc."); + + cairo_ps_surface_dsc_begin_setup (surface); + cairo_ps_surface_dsc_comment (surface, "%%IncludeFeature: *PageSize letter"); + cairo_ps_surface_dsc_comment (surface, "%%IncludeFeature: *MediaColor White"); + + cr = cairo_create (surface); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + for (i = 0; i < ARRAY_LENGTH (pages); i++) { + cairo_ps_surface_set_size (surface, + pages[i].width_in_points, + pages[i].height_in_points); + cairo_ps_surface_dsc_begin_page_setup (surface); + snprintf (dsc, 255, "%%IncludeFeature: *PageSize %s", pages[i].page_size_alias); + cairo_ps_surface_dsc_comment (surface, dsc); + if (i % 2) { + snprintf (dsc, 255, "%%IncludeFeature: *MediaType Glossy"); + cairo_ps_surface_dsc_comment (surface, dsc); + } + + cairo_move_to (cr, TEXT_SIZE, TEXT_SIZE); + cairo_show_text (cr, pages[i].page_size); + cairo_show_text (cr, " - "); + cairo_show_text (cr, pages[i].orientation); + cairo_show_page (cr); + } + + status = cairo_status (cr); + + cairo_destroy (cr); + cairo_surface_destroy (surface); + + if (status) { + cairo_test_log (ctx, "Failed to create ps surface for file %s: %s\n", + filename, cairo_status_to_string (status)); + free (filename); + return CAIRO_TEST_FAILURE; + } + + printf ("ps-features: Please check %s to ensure it looks/prints correctly.\n", filename); + free (filename); + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (ps_features, + "Check PS specific API", + "ps, api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/ps-surface-source.c b/test/ps-surface-source.c new file mode 100644 index 000000000..16c677674 --- /dev/null +++ b/test/ps-surface-source.c @@ -0,0 +1,53 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" +#include <cairo-ps.h> + +#include "surface-source.c" + +#define BASENAME "ps-surface-source.out" + +static cairo_surface_t * +create_source_surface (int size) +{ + cairo_surface_t *surface; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + xasprintf (&filename, "%s/%s.ps", path, BASENAME); + surface = cairo_ps_surface_create (filename, size, size); + cairo_surface_set_fallback_resolution (surface, 72., 72.); + free (filename); + + return surface; +} + +CAIRO_TEST (ps_surface_source, + "Test using a PS surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) diff --git a/test/ps2png.c b/test/ps2png.c new file mode 100644 index 000000000..cf98aed3b --- /dev/null +++ b/test/ps2png.c @@ -0,0 +1,113 @@ +/* + * Copyright © 2008 Carlos Garcia Campos + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carlos Garcia Campos <carlosgc@gnome.org> + */ + +#include <stdio.h> +#include <stdlib.h> +#include <cairo.h> +#include <libspectre/spectre.h> + +#define FAIL(msg) \ + do { fprintf (stderr, "FAIL: %s\n", msg); exit (-1); } while (0) + +static const char * +_spectre_render_page (const char *filename, + const char *page_label, + cairo_surface_t **surface_out) +{ + static const cairo_user_data_key_t key; + + SpectreDocument *document; + SpectreStatus status; + int width, height, stride; + unsigned char *pixels; + cairo_surface_t *surface; + + document = spectre_document_new (); + spectre_document_load (document, filename); + status = spectre_document_status (document); + if (status) { + spectre_document_free (document); + return spectre_status_to_string (status); + } + + if (page_label) { + SpectrePage *page; + SpectreRenderContext *rc; + + page = spectre_document_get_page_by_label (document, page_label); + spectre_document_free (document); + if (page == NULL) + return "page not found"; + + spectre_page_get_size (page, &width, &height); + rc = spectre_render_context_new (); + spectre_render_context_set_page_size (rc, width, height); + spectre_page_render (page, rc, &pixels, &stride); + spectre_render_context_free (rc); + status = spectre_page_status (page); + spectre_page_free (page); + if (status) { + free (pixels); + return spectre_status_to_string (status); + } + } else { + spectre_document_get_page_size (document, &width, &height); + spectre_document_render (document, &pixels, &stride); + spectre_document_free (document); + } + + surface = cairo_image_surface_create_for_data (pixels, + CAIRO_FORMAT_RGB24, + width, height, + stride); + cairo_surface_set_user_data (surface, &key, + pixels, (cairo_destroy_func_t) free); + *surface_out = surface; + return NULL; +} + +int main +(int argc, char *argv[]) +{ + const char *err; + cairo_surface_t *surface = NULL; /* silence compiler warning */ + cairo_status_t status; + + if (argc < 3 || argc > 4) + FAIL ("usage: ps2png input_file.ps output_file.png [page]"); + + err = _spectre_render_page (argv[1], argv[3], &surface); + if (err != NULL) + FAIL (err); + + status = cairo_surface_write_to_png (surface, argv[2]); + cairo_surface_destroy (surface); + + if (status != CAIRO_STATUS_SUCCESS) + FAIL (cairo_status_to_string (status)); + + return 0; +} diff --git a/test/pthread-same-source.c b/test/pthread-same-source.c new file mode 100644 index 000000000..2b26d187d --- /dev/null +++ b/test/pthread-same-source.c @@ -0,0 +1,192 @@ +/* + * Copyright 2009 Benjamin Otte + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#define GENERATE_REFERENCE 0 + +#include "cairo-test.h" +#if !GENERATE_REFERENCE +#include <pthread.h> +#endif + +#define N_THREADS 8 + +#define WIDTH 64 +#define HEIGHT 8 + +typedef struct { + cairo_surface_t *target; + cairo_surface_t *source; + int id; +} thread_data_t; + +static void * +draw_thread (void *arg) +{ + thread_data_t *thread_data = arg; + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_matrix_t pattern_matrix = { 2, 0, 0, 2, 0, 0 }; + cairo_t *cr; + int x, y; + + cr = cairo_create (thread_data->target); + cairo_surface_destroy (thread_data->target); + + pattern = cairo_pattern_create_for_surface (thread_data->source); + cairo_surface_destroy (thread_data->source); + cairo_pattern_set_extend (pattern, thread_data->id % 4); + cairo_pattern_set_filter (pattern, thread_data->id >= 4 ? CAIRO_FILTER_BILINEAR : CAIRO_FILTER_NEAREST); + cairo_pattern_set_matrix (pattern, &pattern_matrix); + + for (y = 0; y < HEIGHT; y++) { + for (x = 0; x < WIDTH; x++) { + cairo_save (cr); + cairo_translate (cr, 4 * x + 1, 4 * y + 1); + cairo_rectangle (cr, 0, 0, 2, 2); + cairo_set_source (cr, pattern); + cairo_fill (cr); + cairo_restore (cr); + } + } + cairo_pattern_destroy (pattern); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static cairo_surface_t * +create_source (cairo_surface_t *similar) +{ + cairo_surface_t *source; + cairo_t *cr; + double colors[4][3] = { + { 0.75, 0, 0 }, + { 0, 0.75, 0 }, + { 0, 0, 0.75 }, + { 0.75, 0.75, 0 } + }; + int i; + + source = cairo_surface_create_similar (similar, + CAIRO_CONTENT_COLOR_ALPHA, + 2, 2); + + cr = cairo_create (source); + cairo_surface_destroy (source); + + for (i = 0; i < 4; i++) { + cairo_set_source_rgb (cr, colors[i][0], colors[i][1], colors[i][2]); + cairo_rectangle (cr, i % 2, i / 2, 1, 1); + cairo_fill (cr); + } + + source = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return source; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ +#if !GENERATE_REFERENCE + pthread_t threads[N_THREADS]; +#endif + thread_data_t thread_data[N_THREADS]; + cairo_test_status_t test_status = CAIRO_TEST_SUCCESS; + cairo_surface_t *source; + cairo_status_t status; + int i; + + source = create_source (cairo_get_target (cr)); + status = cairo_surface_status (source); + if (status) { + cairo_surface_destroy (source); + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); + } + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + + for (i = 0; i < N_THREADS; i++) { + thread_data[i].target = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + 4 * WIDTH, 4 * HEIGHT); + thread_data[i].source = cairo_surface_reference (source); + thread_data[i].id = i; +#if !GENERATE_REFERENCE + if (pthread_create (&threads[i], NULL, draw_thread, &thread_data[i]) != 0) { + threads[i] = pthread_self (); /* to indicate error */ + cairo_surface_destroy (thread_data[i].target); + cairo_surface_destroy (thread_data[i].source); + test_status = CAIRO_TEST_FAILURE; + break; + } +#else + { + cairo_surface_t *surface = draw_thread(&thread_data[i]); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_paint (cr); + + cairo_translate (cr, 0, 4 * HEIGHT); + } +#endif + } + + cairo_surface_destroy (source); + +#if !GENERATE_REFERENCE + for (i = 0; i < N_THREADS; i++) { + void *surface; + + if (pthread_equal (threads[i], pthread_self ())) + break; + + if (pthread_join (threads[i], &surface) == 0) { + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_paint (cr); + + cairo_translate (cr, 0, 4 * HEIGHT); + } else { + test_status = CAIRO_TEST_FAILURE; + } + } +#endif + + return test_status; +} + +CAIRO_TEST (pthread_same_source, + "Use the same source for drawing in different threads", + "threads", /* keywords */ + NULL, /* requirements */ + 4 * WIDTH, 4 * HEIGHT * N_THREADS, + NULL, draw) diff --git a/test/pthread-show-text.c b/test/pthread-show-text.c new file mode 100644 index 000000000..0e070b7b7 --- /dev/null +++ b/test/pthread-show-text.c @@ -0,0 +1,142 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Test case for bug #4299: + + Assertion fails in "cairo-font.c" when using multithreads + https://bugs.freedesktop.org/show_bug.cgi?id=4299 +*/ + +#include "cairo-test.h" + +#include <string.h> +#include <stdlib.h> +#include <pthread.h> + +#define N_THREADS 8 +#define NUM_ITERATIONS 40 + +#define WIDTH 400 +#define HEIGHT 42 + +typedef struct { + cairo_surface_t *target; + int id; +} thread_data_t; + +static void * +draw_thread (void *arg) +{ + const char *text = "Hello world. "; + thread_data_t *thread_data = arg; + cairo_surface_t *surface; + cairo_font_extents_t extents; + cairo_t *cr; + int i; + + cr = cairo_create (thread_data->target); + cairo_surface_destroy (thread_data->target); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_select_font_face (cr, "serif", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, NUM_ITERATIONS); + cairo_font_extents (cr, &extents); + + cairo_move_to (cr, 1, HEIGHT - extents.descent - 1); + + for (i = 0; i < NUM_ITERATIONS; i++) { + char buf[2]; + + cairo_select_font_face (cr, "serif", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, i); + + buf[0] = text[i%strlen(text)]; + buf[1] = '\0'; + cairo_show_text (cr, buf); + } + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + pthread_t threads[N_THREADS]; + thread_data_t thread_data[N_THREADS]; + cairo_test_status_t test_status = CAIRO_TEST_SUCCESS; + int i; + + for (i = 0; i < N_THREADS; i++) { + thread_data[i].target = cairo_surface_create_similar (cairo_get_target (cr), + cairo_surface_get_content (cairo_get_target (cr)), + WIDTH, HEIGHT); + thread_data[i].id = i; + if (pthread_create (&threads[i], NULL, draw_thread, &thread_data[i]) != 0) { + threads[i] = pthread_self (); /* to indicate error */ + cairo_surface_destroy (thread_data[i].target); + test_status = CAIRO_TEST_FAILURE; + break; + } + } + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + + for (i = 0; i < N_THREADS; i++) { + void *surface; + + if (pthread_equal (threads[i], pthread_self ())) + break; + + if (pthread_join (threads[i], &surface) == 0) { + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_paint (cr); + + cairo_translate (cr, 0, HEIGHT); + } else { + test_status = CAIRO_TEST_FAILURE; + } + } + + return test_status; +} + +CAIRO_TEST (pthread_show_text, + "Concurrent stress test of the cairo_show_text().", + "thread, text", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT * N_THREADS, + NULL, draw) diff --git a/test/pthread-similar.c b/test/pthread-similar.c new file mode 100644 index 000000000..a5f5e3bf4 --- /dev/null +++ b/test/pthread-similar.c @@ -0,0 +1,106 @@ +/* + * Copyright 2009 Benjamin Otte + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" +#include <pthread.h> + +#define N_THREADS 8 + +#define WIDTH 64 +#define HEIGHT 8 + +static void * +draw_thread (void *arg) +{ + cairo_surface_t *surface = arg; + cairo_t *cr; + int x, y; + + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + for (y = 0; y < HEIGHT; y++) { + for (x = 0; x < WIDTH; x++) { + cairo_rectangle (cr, x, y, 1, 1); + cairo_set_source_rgba (cr, 0, 0.75, 0.75, (double) x / WIDTH); + cairo_fill (cr); + } + } + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + pthread_t threads[N_THREADS]; + cairo_test_status_t test_status = CAIRO_TEST_SUCCESS; + int i; + + for (i = 0; i < N_THREADS; i++) { + cairo_surface_t *surface; + + surface = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR, + WIDTH, HEIGHT); + if (pthread_create (&threads[i], NULL, draw_thread, surface) != 0) { + threads[i] = pthread_self (); + test_status = cairo_test_status_from_status (cairo_test_get_context (cr), + cairo_surface_status (surface)); + cairo_surface_destroy (surface); + break; + } + } + + for (i = 0; i < N_THREADS; i++) { + void *surface; + + if (pthread_equal (threads[i], pthread_self ())) + break; + + if (pthread_join (threads[i], &surface) == 0) { + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_paint (cr); + + cairo_translate (cr, 0, HEIGHT); + } else { + test_status = CAIRO_TEST_FAILURE; + } + } + + return test_status; +} + +CAIRO_TEST (pthread_similar, + "Draw lots of 1x1 rectangles on similar surfaces in lots of threads", + "threads", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT * N_THREADS, + NULL, draw) diff --git a/test/push-group-color.c b/test/push-group-color.c new file mode 100644 index 000000000..1bc5bca9b --- /dev/null +++ b/test/push-group-color.c @@ -0,0 +1,141 @@ +/* + * Copyright © 2005 Mozilla Corporation + * Copyright © 2009 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define UNIT_SIZE 100 +#define PAD 5 +#define INNER_PAD 10 + +#define WIDTH (UNIT_SIZE + PAD) + PAD +#define HEIGHT (UNIT_SIZE + PAD) + PAD + +static cairo_pattern_t * +argb32_source (void) +{ + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_t *cr; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 16, 16); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_rectangle (cr, 8, 0, 8, 8); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, 0, 8, 8, 8); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_rectangle (cr, 8, 8, 8, 8); + cairo_fill (cr); + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy (cr); + + return pattern; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *gradient, *image; + + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + + cairo_translate (cr, PAD, PAD); + + /* clip to the unit size */ + cairo_rectangle (cr, 0, 0, + UNIT_SIZE, UNIT_SIZE); + cairo_clip (cr); + + cairo_rectangle (cr, 0, 0, + UNIT_SIZE, UNIT_SIZE); + cairo_set_source_rgba (cr, 0, 0, 0, 1); + cairo_set_line_width (cr, 2); + cairo_stroke (cr); + + /* start a group */ + cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR); + + /* draw a gradient background */ + cairo_save (cr); + cairo_translate (cr, INNER_PAD, INNER_PAD); + cairo_new_path (cr); + cairo_rectangle (cr, 0, 0, + UNIT_SIZE - (INNER_PAD*2), UNIT_SIZE - (INNER_PAD*2)); + gradient = cairo_pattern_create_linear (UNIT_SIZE - (INNER_PAD*2), 0, + UNIT_SIZE - (INNER_PAD*2), UNIT_SIZE - (INNER_PAD*2)); + cairo_pattern_add_color_stop_rgba (gradient, 0.0, 0.3, 0.3, 0.3, 1.0); + cairo_pattern_add_color_stop_rgba (gradient, 1.0, 1.0, 1.0, 1.0, 1.0); + cairo_set_source (cr, gradient); + cairo_pattern_destroy (gradient); + cairo_fill (cr); + cairo_restore (cr); + + /* draw diamond */ + cairo_move_to (cr, UNIT_SIZE / 2, 0); + cairo_line_to (cr, UNIT_SIZE , UNIT_SIZE / 2); + cairo_line_to (cr, UNIT_SIZE / 2, UNIT_SIZE); + cairo_line_to (cr, 0 , UNIT_SIZE / 2); + cairo_close_path (cr); + cairo_set_source_rgba (cr, 0, 0, 1, 1); + cairo_fill (cr); + + /* draw circle */ + cairo_arc (cr, + UNIT_SIZE / 2, UNIT_SIZE / 2, + UNIT_SIZE / 3.5, + 0, M_PI * 2); + cairo_set_source_rgba (cr, 1, 0, 0, 1); + cairo_fill (cr); + + /* and put the image on top */ + cairo_translate (cr, UNIT_SIZE/2 - 8, UNIT_SIZE/2 - 8); + image = argb32_source (); + cairo_set_source (cr, image); + cairo_pattern_destroy (image); + cairo_paint (cr); + + cairo_pop_group_to_source (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (push_group_color, + "Verify that cairo_push_group_with_content works.", + "group", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/push-group-path-offset.c b/test/push-group-path-offset.c new file mode 100644 index 000000000..6b73ca4fa --- /dev/null +++ b/test/push-group-path-offset.c @@ -0,0 +1,77 @@ +/* + * Copyright 2010 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" + +#define CLIP_OFFSET 15 +#define CLIP_SIZE 20 + +#define WIDTH 50 +#define HEIGHT 50 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Neutral gray background */ + cairo_set_source_rgb (cr, 0.51613, 0.55555, 0.51613); + cairo_paint (cr); + + /* the rest uses CAIRO_OPERATOR_SOURCE so we see better when something goes wrong */ + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + + /* add a rectangle */ + cairo_rectangle (cr, CLIP_OFFSET, CLIP_OFFSET, CLIP_SIZE, CLIP_SIZE); + + /* clip to the rectangle */ + cairo_clip_preserve (cr); + + /* push a group. We now have a device offset. */ + cairo_push_group (cr); + + /* push a group again. This is where the bug used to happen. */ + cairo_push_group (cr); + + /* draw something */ + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill_preserve (cr); + + /* make sure the stuff we drew ends up on the output */ + cairo_pop_group_to_source (cr); + cairo_fill_preserve (cr); + + cairo_pop_group_to_source (cr); + cairo_fill_preserve (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (push_group_path_offset, + "Exercises a bug in Cairo 1.9 where existing paths applied the target's" + " device offset twice when cairo_push_group() was called.", + "group, path", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/push-group.c b/test/push-group.c new file mode 100644 index 000000000..8e6ce1924 --- /dev/null +++ b/test/push-group.c @@ -0,0 +1,113 @@ +/* + * Copyright © 2005 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" + +#define UNIT_SIZE 100 +#define PAD 5 +#define INNER_PAD 10 + +#define WIDTH (UNIT_SIZE + PAD) + PAD +#define HEIGHT (UNIT_SIZE + PAD) + PAD + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *gradient; + int i, j; + + gradient = cairo_pattern_create_linear (UNIT_SIZE - (INNER_PAD*2), 0, + UNIT_SIZE - (INNER_PAD*2), UNIT_SIZE - (INNER_PAD*2)); + cairo_pattern_add_color_stop_rgba (gradient, 0.0, 0.3, 0.3, 0.3, 1.0); + cairo_pattern_add_color_stop_rgba (gradient, 1.0, 1.0, 1.0, 1.0, 1.0); + + for (j = 0; j < 1; j++) { + for (i = 0; i < 1; i++) { + double x = (i * UNIT_SIZE) + (i + 1) * PAD; + double y = (j * UNIT_SIZE) + (j + 1) * PAD; + + cairo_save (cr); + + cairo_translate (cr, x, y); + + /* draw a gradient background */ + cairo_save (cr); + cairo_translate (cr, INNER_PAD, INNER_PAD); + cairo_new_path (cr); + cairo_rectangle (cr, 0, 0, + UNIT_SIZE - (INNER_PAD*2), UNIT_SIZE - (INNER_PAD*2)); + cairo_set_source (cr, gradient); + cairo_fill (cr); + cairo_restore (cr); + + /* clip to the unit size */ + cairo_rectangle (cr, 0, 0, + UNIT_SIZE, UNIT_SIZE); + cairo_clip (cr); + + cairo_rectangle (cr, 0, 0, + UNIT_SIZE, UNIT_SIZE); + cairo_set_source_rgba (cr, 0, 0, 0, 1); + cairo_set_line_width (cr, 2); + cairo_stroke (cr); + + /* start a group */ + cairo_push_group (cr); + + /* draw diamond */ + cairo_move_to (cr, UNIT_SIZE / 2, 0); + cairo_line_to (cr, UNIT_SIZE , UNIT_SIZE / 2); + cairo_line_to (cr, UNIT_SIZE / 2, UNIT_SIZE); + cairo_line_to (cr, 0 , UNIT_SIZE / 2); + cairo_close_path (cr); + cairo_set_source_rgba (cr, 0, 0, 1, 1); + cairo_fill (cr); + + /* draw circle */ + cairo_arc (cr, + UNIT_SIZE / 2, UNIT_SIZE / 2, + UNIT_SIZE / 3.5, + 0, M_PI * 2); + cairo_set_source_rgba (cr, 1, 0, 0, 1); + cairo_fill (cr); + + cairo_pop_group_to_source (cr); + cairo_paint_with_alpha (cr, 0.5); + + cairo_restore (cr); + } + } + + cairo_pattern_destroy (gradient); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (push_group, + "Verify that cairo_push_group works.", + "group", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/quad-color.png b/test/quad-color.png Binary files differnew file mode 100644 index 000000000..0d68a82cc --- /dev/null +++ b/test/quad-color.png diff --git a/test/quartz-surface-source.c b/test/quartz-surface-source.c new file mode 100644 index 000000000..b0c86d0f9 --- /dev/null +++ b/test/quartz-surface-source.c @@ -0,0 +1,42 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" +#include "cairo-quartz.h" + +#include "surface-source.c" + +static cairo_surface_t * +create_source_surface (int size) +{ + return cairo_quartz_surface_create (CAIRO_FORMAT_ARGB32, size, size); +} + +CAIRO_TEST (quartz_surface_source, + "Test using a Quartz surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) diff --git a/test/radial-gradient-extend.c b/test/radial-gradient-extend.c new file mode 100644 index 000000000..c32a2c37b --- /dev/null +++ b/test/radial-gradient-extend.c @@ -0,0 +1,92 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define NUM_EXTEND 4 +#define HEIGHT 16 +#define WIDTH 16 +#define PAD 3 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + unsigned int i, j; + + cairo_extend_t extend[NUM_EXTEND] = { + CAIRO_EXTEND_NONE, + CAIRO_EXTEND_REPEAT, + CAIRO_EXTEND_REFLECT, + CAIRO_EXTEND_PAD + }; + + cairo_test_paint_checkered (cr); + + pattern = cairo_pattern_create_radial (WIDTH / 2, HEIGHT / 2, 0, WIDTH / 2, HEIGHT / 2, 2 * PAD); + + cairo_pattern_add_color_stop_rgb (pattern, 0, 0, 0, 1); + cairo_pattern_add_color_stop_rgb (pattern, 1, 0, 0, 1); + + cairo_translate (cr, PAD, PAD); + + for (i = 0; i < 2; i++) { + cairo_save (cr); + + for (j = 0; j < NUM_EXTEND; j++) { + cairo_pattern_set_extend (pattern, extend[j]); + + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + if (i & 1) { + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_mask (cr, pattern); + } else { + cairo_set_source (cr, pattern); + cairo_paint (cr); + } + + cairo_translate (cr, WIDTH+PAD, 0); + } + + cairo_restore (cr); + cairo_translate (cr, 0, HEIGHT+PAD); + } + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (radial_gradient_extend, + "Tests gradient to solid reduction of radial gradients", + "radial, pattern, extend", /* keywords */ + NULL, /* requirements */ + (WIDTH+PAD) * NUM_EXTEND + PAD, 2*(HEIGHT + PAD) + PAD, + NULL, draw) diff --git a/test/radial-gradient.c b/test/radial-gradient.c new file mode 100644 index 000000000..026876b1b --- /dev/null +++ b/test/radial-gradient.c @@ -0,0 +1,256 @@ +/* + * Copyright © 2005, 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define NUM_GRADIENTS 7 +#define NUM_EXTEND 4 +#define SIZE 120 +#define WIDTH (SIZE * NUM_GRADIENTS) +#define HEIGHT (SIZE * NUM_EXTEND) + +typedef void (*composite_t)(cairo_t *cr, cairo_pattern_t *pattern); +typedef void (*add_stops_t)(cairo_pattern_t *pattern); + +/* + * We want to test all the possible relative positions of the start + * and end circle: + * + * - The start circle can be smaller/equal/bigger than the end + * circle. A radial gradient can be classified in one of these + * three cases depending on the sign of dr. + * + * - The smaller circle can be completely inside/internally + * tangent/outside (at least in part) of the bigger circle. This + * classification is the same as the one which can be computed by + * examining the sign of a = (dx^2 + dy^2 - dr^2). + * + * - If the two circles have the same size, neither can be inside or + * internally tangent + * + * This test draws radial gradients whose circles always have the same + * centers (0, 0) and (1, 0), but with different radiuses. From left + * to right: + * + * - Small start circle completely inside the end circle + * 0.25 -> 1.75; dr = 1.5 > 0; a = 1 - 1.50^2 < 0 + * + * - Small start circle internally tangent to the end circle + * 0.50 -> 1.50; dr = 1.0 > 0; a = 1 - 1.00^2 = 0 + * + * - Small start circle outside of the end circle + * 0.50 -> 1.00; dr = 0.5 > 0; a = 1 - 0.50^2 > 0 + * + * - Start circle with the same size as the end circle + * 1.00 -> 1.00; dr = 0.0 = 0; a = 1 - 0.00^2 > 0 + * + * - Small end circle outside of the start circle + * 1.00 -> 0.50; dr = -0.5 > 0; a = 1 - 0.50^2 > 0 + * + * - Small end circle internally tangent to the start circle + * 1.50 -> 0.50; dr = -1.0 > 0; a = 1 - 1.00^2 = 0 + * + * - Small end circle completely inside the start circle + * 1.75 -> 0.25; dr = -1.5 > 0; a = 1 - 1.50^2 < 0 + * + */ + +static const double radiuses[NUM_GRADIENTS] = { + 0.25, + 0.50, + 0.50, + 1.00, + 1.00, + 1.50, + 1.75 +}; + +static cairo_pattern_t * +create_pattern (int index) +{ + double x0, x1, radius0, radius1, left, right, center; + + x0 = 0; + x1 = 1; + radius0 = radiuses[index]; + radius1 = radiuses[NUM_GRADIENTS - index - 1]; + + /* center the gradient */ + left = MIN (x0 - radius0, x1 - radius1); + right = MAX (x0 + radius0, x1 + radius1); + center = (left + right) * 0.5; + x0 -= center; + x1 -= center; + + /* scale to make it fit within a 1x1 rect centered in (0,0) */ + x0 *= 0.25; + x1 *= 0.25; + radius0 *= 0.25; + radius1 *= 0.25; + + return cairo_pattern_create_radial (x0, 0, radius0, x1, 0, radius1); +} + +static void +pattern_add_stops (cairo_pattern_t *pattern) +{ + cairo_pattern_add_color_stop_rgba (pattern, 0.0, 1, 0, 0, 0.75); + cairo_pattern_add_color_stop_rgba (pattern, sqrt (0.5), 0, 1, 0, 0); + cairo_pattern_add_color_stop_rgba (pattern, 1.0, 0, 0, 1, 1); +} + +static void +pattern_add_single_stop (cairo_pattern_t *pattern) +{ + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1, 0, 0, 1); +} + + +static cairo_test_status_t +draw (cairo_t *cr, add_stops_t add_stops, composite_t composite) +{ + int i, j; + cairo_extend_t extend[NUM_EXTEND] = { + CAIRO_EXTEND_NONE, + CAIRO_EXTEND_REPEAT, + CAIRO_EXTEND_REFLECT, + CAIRO_EXTEND_PAD + }; + + cairo_scale (cr, SIZE, SIZE); + cairo_translate (cr, 0.5, 0.5); + + for (j = 0; j < NUM_EXTEND; j++) { + cairo_save (cr); + for (i = 0; i < NUM_GRADIENTS; i++) { + cairo_pattern_t *pattern; + + pattern = create_pattern (i); + add_stops (pattern); + cairo_pattern_set_extend (pattern, extend[j]); + + cairo_save (cr); + cairo_rectangle (cr, -0.5, -0.5, 1, 1); + cairo_clip (cr); + composite (cr, pattern); + cairo_restore (cr); + cairo_pattern_destroy (pattern); + + cairo_translate (cr, 1, 0); + } + cairo_restore (cr); + cairo_translate (cr, 0, 1); + } + + return CAIRO_TEST_SUCCESS; +} + + +static void +composite_simple (cairo_t *cr, cairo_pattern_t *pattern) +{ + cairo_set_source (cr, pattern); + cairo_paint (cr); +} + +static void +composite_mask (cairo_t *cr, cairo_pattern_t *pattern) +{ + cairo_set_source_rgb (cr, 1, 0, 1); + cairo_mask (cr, pattern); +} + + +static cairo_test_status_t +draw_simple (cairo_t *cr, int width, int height) +{ + cairo_test_paint_checkered (cr); + return draw (cr, pattern_add_stops, composite_simple); +} + +static cairo_test_status_t +draw_mask (cairo_t *cr, int width, int height) +{ + cairo_test_paint_checkered (cr); + return draw (cr, pattern_add_stops, composite_mask); +} + +static cairo_test_status_t +draw_source (cairo_t *cr, int width, int height) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + return draw (cr, pattern_add_stops, composite_simple); +} + + +static cairo_test_status_t +draw_mask_source (cairo_t *cr, int width, int height) +{ + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + return draw (cr, pattern_add_stops, composite_mask); +} + +static cairo_test_status_t +draw_one_stop (cairo_t *cr, int width, int height) +{ + cairo_test_paint_checkered (cr); + return draw (cr, pattern_add_single_stop, composite_simple); +} + +CAIRO_TEST (radial_gradient, + "Simple test of radial gradients", + "gradient", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw_simple) + +CAIRO_TEST (radial_gradient_mask, + "Simple test of radial gradients using a MASK", + "gradient,mask", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw_mask) + +CAIRO_TEST (radial_gradient_source, + "Simple test of radial gradients using the SOURCE operator", + "gradient,source", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw_source) + +CAIRO_TEST (radial_gradient_mask_source, + "Simple test of radial gradients using a MASK with a SOURCE operator", + "gradient,mask,source", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw_mask_source) + +CAIRO_TEST (radial_gradient_one_stop, + "Tests radial gradients with a single stop", + "gradient,radial", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw_one_stop) diff --git a/test/radial-outer-focus.c b/test/radial-outer-focus.c new file mode 100644 index 000000000..e03894745 --- /dev/null +++ b/test/radial-outer-focus.c @@ -0,0 +1,72 @@ +/* + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Krzysztof Kosi\u0144ski <tweenk.pl@gmail.com> + */ + +/* Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=40918 */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *radial; + double angle; + int i, j; + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + angle = 0.0; + + for (i = 0; i < 4; i++) { + for (j = 0; j < 4; j++) { + cairo_save (cr); + cairo_rectangle (cr, 100*i, 100*j, 100, 100); + cairo_clip (cr); + + radial = cairo_pattern_create_radial (cos (angle), sin (angle), 0, + 0, 0, 1); + cairo_pattern_add_color_stop_rgb (radial, 0.0, 1, 0, 0); + cairo_pattern_add_color_stop_rgb (radial, 1.0, 0, 1, 0); + + cairo_translate (cr, 100*i+50, 100*j+50); + cairo_scale (cr, 50, -50); + cairo_set_source (cr, radial); + cairo_pattern_destroy (radial); + + cairo_paint(cr); + cairo_restore (cr); + + angle += M_PI/17; + } + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (radial_outer_focus, + "Exercises the condition of rendering a radial gradial on its outer focus", + "radial", /* keywords */ + NULL, /* requirements */ + 400, 400, + NULL, draw) diff --git a/test/random-clips.c b/test/random-clips.c new file mode 100644 index 000000000..31d7d6df0 --- /dev/null +++ b/test/random-clips.c @@ -0,0 +1,232 @@ +/* + * Copyright © 2006 M Joonas Pihlaja + * Copyright © 2011 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + * Chris Wilson <chris@chris-wilson.co.uk> + */ +#include "cairo-test.h" + +#define SIZE 512 +#define STEP (512+2) +#define NUM_SEGMENTS 128 + +static uint32_t state; + +static double +uniform_random (double minval, double maxval) +{ + static uint32_t const poly = 0x9a795537U; + uint32_t n = 32; + while (n-->0) + state = 2*state < state ? (2*state ^ poly) : 2*state; + return minval + state * (maxval - minval) / 4294967296.0; +} + +static void nz_path (cairo_t *cr) +{ + int i; + + state = 0xc0ffee; + + cairo_move_to (cr, 0, 0); + for (i = 0; i < NUM_SEGMENTS; i++) { + double x = uniform_random (0, SIZE); + double y = uniform_random (0, SIZE); + cairo_line_to (cr, x, y); + } + cairo_close_path (cr); +} + +static void region_path (cairo_t *cr) +{ + int i; + + state = 0xc0ffee; + + for (i = 0; i < NUM_SEGMENTS; i++) { + int x = uniform_random (0, SIZE); + int y = uniform_random (0, SIZE); + int w = uniform_random (0, 40); + int h = uniform_random (0, 40); + cairo_rectangle (cr, x, y, w, h); + } +} + +static void rectangle_path (cairo_t *cr) +{ + int i; + + state = 0xc0ffee; + + for (i = 0; i < NUM_SEGMENTS; i++) { + double x = uniform_random (0, SIZE); + double y = uniform_random (0, SIZE); + double w = uniform_random (0, 40); + double h = uniform_random (0, 40); + cairo_rectangle (cr, x, y, w, h); + } +} + +static void arc_path (cairo_t *cr) +{ + int i; + + state = 0xc0ffee; + + for (i = 0; i < NUM_SEGMENTS; i++) { + double x = uniform_random (0, SIZE); + double y = uniform_random (0, SIZE); + double r = uniform_random (0, 20); + cairo_new_sub_path (cr); + cairo_arc (cr, x, y, r, 0, 2*M_PI); + } +} + + +static void nz_fill_stroke (cairo_t *cr) +{ + nz_path (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_set_line_width (cr, 1.0); + cairo_stroke (cr); +} + +static void clip_to_quadrant (cairo_t *cr) +{ + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_clip (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); + + state = 0xc0ffee; + cairo_translate (cr, 1, 1); + + /* no clipping */ + cairo_save (cr); { + clip_to_quadrant (cr); + + nz_fill_stroke (cr); + } cairo_restore (cr); + + cairo_translate (cr, STEP, 0); + + /* random clipping */ + cairo_save (cr); { + clip_to_quadrant (cr); + + nz_path (cr); + cairo_clip (cr); + + nz_fill_stroke (cr); + + cairo_set_source_rgba (cr, 1, 1, 1, 0.5); + cairo_paint (cr); + } cairo_restore (cr); + + cairo_translate (cr, STEP, 0); + + /* regional clipping */ + cairo_save (cr); { + clip_to_quadrant (cr); + + region_path (cr); + cairo_clip (cr); + + nz_fill_stroke (cr); + + cairo_set_source_rgba (cr, 1, 1, 1, 0.5); + cairo_paint (cr); + } cairo_restore (cr); + + cairo_translate (cr, -2*STEP, STEP); + + /* rectangular clipping */ + cairo_save (cr); { + clip_to_quadrant (cr); + + rectangle_path (cr); + cairo_clip (cr); + + nz_fill_stroke (cr); + + cairo_set_source_rgba (cr, 1, 1, 1, 0.5); + cairo_paint (cr); + } cairo_restore (cr); + + cairo_translate (cr, STEP, 0); + + /* circular clipping */ + cairo_save (cr); { + clip_to_quadrant (cr); + + arc_path (cr); + cairo_clip (cr); + + nz_fill_stroke (cr); + + cairo_set_source_rgba (cr, 1, 1, 1, 0.5); + cairo_paint (cr); + } cairo_restore (cr); + + cairo_translate (cr, STEP, 0); + + /* all-of-the-above clipping */ + cairo_save (cr); { + clip_to_quadrant (cr); + + nz_path (cr); + cairo_clip (cr); + region_path (cr); + cairo_clip (cr); + rectangle_path (cr); + cairo_clip (cr); + arc_path (cr); + cairo_clip (cr); + + nz_fill_stroke (cr); + + cairo_set_source_rgba (cr, 1, 1, 1, 0.5); + cairo_paint (cr); + } cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (random_clip, + "Tests the clip generation and intersection computation", + "trap, clip", /* keywords */ + NULL, /* requirements */ + 3*STEP+2, 2*STEP+2, + NULL, draw) diff --git a/test/random-intersections-curves-eo.c b/test/random-intersections-curves-eo.c new file mode 100644 index 000000000..84e9a75de --- /dev/null +++ b/test/random-intersections-curves-eo.c @@ -0,0 +1,84 @@ +/* + * Copyright © 2006 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ +#include "cairo-test.h" + +#define SIZE 512 +#define NUM_SEGMENTS 128 + +static uint32_t state; + +static double +uniform_random (double minval, double maxval) +{ + static uint32_t const poly = 0x9a795537U; + uint32_t n = 32; + while (n-->0) + state = 2*state < state ? (2*state ^ poly) : 2*state; + return minval + state * (maxval - minval) / 4294967296.0; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + state = 0x12345678; + cairo_translate (cr, 1, 1); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + cairo_move_to (cr, 0, 0); + for (i = 0; i < NUM_SEGMENTS; i++) { + double y3 = uniform_random (0, SIZE); + double x3 = uniform_random (0, SIZE); + double y2 = uniform_random (-SIZE, SIZE); + double x2 = uniform_random (-SIZE, SIZE); + double y1 = uniform_random (-SIZE, SIZE); + double x1 = uniform_random (-SIZE, SIZE); + cairo_curve_to (cr, + x1, y1, + x2, y2, + x3, y3); + } + cairo_close_path (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_set_line_width (cr, 0.5); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (random_intersections_curves_eo, + "Tests the tessellator trapezoid generation and intersection computation", + "trap", /* keywords */ + NULL, /* requirements */ + SIZE+3, SIZE+3, + NULL, draw) diff --git a/test/random-intersections-curves-nz.c b/test/random-intersections-curves-nz.c new file mode 100644 index 000000000..5265e4a73 --- /dev/null +++ b/test/random-intersections-curves-nz.c @@ -0,0 +1,85 @@ +/* + * Copyright © 2006 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ +#include "cairo-test.h" + +#define SIZE 512 +#define NUM_SEGMENTS 128 + +static uint32_t state; + +static double +uniform_random (double minval, double maxval) +{ + static uint32_t const poly = 0x9a795537U; + uint32_t n = 32; + while (n-->0) + state = 2*state < state ? (2*state ^ poly) : 2*state; + return minval + state * (maxval - minval) / 4294967296.0; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + state = 0x12345678; + cairo_translate (cr, 1, 1); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); + + cairo_move_to (cr, 0, 0); + for (i = 0; i < NUM_SEGMENTS; i++) { + double y3 = uniform_random (0, SIZE); + double x3 = uniform_random (0, SIZE); + double y2 = uniform_random (-SIZE, SIZE); + double x2 = uniform_random (-SIZE, SIZE); + double y1 = uniform_random (-SIZE, SIZE); + double x1 = uniform_random (-SIZE, SIZE); + cairo_curve_to (cr, + x1, y1, + x2, y2, + x3, y3); + } + cairo_close_path (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_set_line_width (cr, 0.5); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (random_intersections_curves_nz, + "Tests the tessellator trapezoid generation and intersection computation", + "trap", /* keywords */ + NULL, /* requirements */ + SIZE+3, SIZE+3, + NULL, draw) + diff --git a/test/random-intersections-eo.c b/test/random-intersections-eo.c new file mode 100644 index 000000000..d35894f33 --- /dev/null +++ b/test/random-intersections-eo.c @@ -0,0 +1,78 @@ +/* + * Copyright © 2006 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ +#include "cairo-test.h" + +#define SIZE 512 +#define NUM_SEGMENTS 128 + +static uint32_t state; + +static double +uniform_random (double minval, double maxval) +{ + static uint32_t const poly = 0x9a795537U; + uint32_t n = 32; + while (n-->0) + state = 2*state < state ? (2*state ^ poly) : 2*state; + return minval + state * (maxval - minval) / 4294967296.0; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + state = 0x12345678; + cairo_translate (cr, 1, 1); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + cairo_move_to (cr, 0, 0); + for (i = 0; i < NUM_SEGMENTS; i++) { + double x = uniform_random (0, width); + double y = uniform_random (0, height); + cairo_line_to (cr, x, y); + } + cairo_close_path (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_set_line_width (cr, 0.5); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (random_intersections_eo, + "Tests the tessellator trapezoid generation and intersection computation", + "trap", /* keywords */ + NULL, /* requirements */ + SIZE+3, SIZE+3, + NULL, draw) + diff --git a/test/random-intersections-nonzero.c b/test/random-intersections-nonzero.c new file mode 100644 index 000000000..cad047e04 --- /dev/null +++ b/test/random-intersections-nonzero.c @@ -0,0 +1,79 @@ +/* + * Copyright © 2006 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ +#include "cairo-test.h" + +#define SIZE 512 +#define NUM_SEGMENTS 128 + +static uint32_t state; + +static double +uniform_random (double minval, double maxval) +{ + static uint32_t const poly = 0x9a795537U; + uint32_t n = 32; + while (n-->0) + state = 2*state < state ? (2*state ^ poly) : 2*state; + return minval + state * (maxval - minval) / 4294967296.0; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + state = 0x12345678; + cairo_translate (cr, 1, 1); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING); + + cairo_move_to (cr, 0, 0); + for (i = 0; i < NUM_SEGMENTS; i++) { + double x = uniform_random (0, width); + double y = uniform_random (0, height); + cairo_line_to (cr, x, y); + } + cairo_close_path (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill_preserve (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_set_line_width (cr, 0.5); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (random_intersections_nonzero, + "Tests the tessellator trapezoid generation and intersection computation", + "trap", /* keywords */ + NULL, /* requirements */ + SIZE+3, SIZE+3, + NULL, draw) + + diff --git a/test/raster-source.c b/test/raster-source.c new file mode 100644 index 000000000..5a7646e8a --- /dev/null +++ b/test/raster-source.c @@ -0,0 +1,134 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <errno.h> + +/* Basic test to exercise the new mime-surface callback. */ + +#define WIDTH 200 +#define HEIGHT 80 + +/* Lazy way of determining PNG dimensions... */ +static void +png_dimensions (const char *filename, + cairo_content_t *content, int *width, int *height) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_from_png (filename); + *content = cairo_surface_get_content (surface); + *width = cairo_image_surface_get_width (surface); + *height = cairo_image_surface_get_height (surface); + cairo_surface_destroy (surface); +} + +static cairo_surface_t * +png_acquire (cairo_pattern_t *pattern, void *closure, + cairo_surface_t *target, + const cairo_rectangle_int_t *extents) +{ + return cairo_image_surface_create_from_png (closure); +} + +static cairo_surface_t * +red_acquire (cairo_pattern_t *pattern, void *closure, + cairo_surface_t *target, + const cairo_rectangle_int_t *extents) +{ + cairo_surface_t *image; + cairo_t *cr; + + image = cairo_surface_create_similar_image (target, + CAIRO_FORMAT_RGB24, + extents->width, + extents->height); + cairo_surface_set_device_offset (image, extents->x, extents->y); + + cr = cairo_create (image); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + cairo_destroy (cr); + + return image; +} + +static void +release (cairo_pattern_t *pattern, void *closure, cairo_surface_t *image) +{ + cairo_surface_destroy (image); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const char *png_filename = "png.png"; + cairo_pattern_t *png, *red; + cairo_content_t content; + int png_width, png_height; + int i, j; + + png_dimensions (png_filename, &content, &png_width, &png_height); + + png = cairo_pattern_create_raster_source ((void*)png_filename, + content, png_width, png_height); + cairo_raster_source_pattern_set_acquire (png, png_acquire, release); + + red = cairo_pattern_create_raster_source (NULL, + CAIRO_CONTENT_COLOR, WIDTH, HEIGHT); + cairo_raster_source_pattern_set_acquire (red, red_acquire, release); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_translate (cr, 0, (HEIGHT-png_height)/2); + for (i = 0; i < 4; i++) { + for (j = 0; j < 4; j++) { + cairo_pattern_t *source; + if ((i ^ j) & 1) + source = red; + else + source = png; + cairo_set_source (cr, source); + cairo_rectangle (cr, i * WIDTH/4, j * png_height/4, WIDTH/4, png_height/4); + cairo_fill (cr); + } + } + + cairo_pattern_destroy (red); + cairo_pattern_destroy (png); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (raster_source, + "Check that the mime-surface embedding works", + "api", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/record-extend.c b/test/record-extend.c new file mode 100644 index 000000000..8e8387151 --- /dev/null +++ b/test/record-extend.c @@ -0,0 +1,288 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Behdad Esfahbod <behdad@behdad.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 90 + +/* This is written using clip+paint to exercise a bug that once was in the + * recording surface. + */ + +static cairo_surface_t * +source (cairo_surface_t *surface) +{ + cairo_t *cr; + + /* Create a 4-pixel image surface with my favorite four colors in each + * quadrant. */ + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + /* upper-left = white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_rectangle (cr, 0, 0, 1, 1); + cairo_fill (cr); + + /* upper-right = red */ + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_rectangle (cr, 1, 0, 1, 1); + cairo_fill (cr); + + /* lower-left = green */ + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, 0, 1, 1, 1); + cairo_fill (cr); + + /* lower-right = blue */ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_rectangle (cr, 1, 1, 1, 1); + cairo_fill (cr); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static cairo_surface_t * +image (cairo_t *cr) +{ + return source (cairo_image_surface_create (CAIRO_FORMAT_RGB24, 2, 2)); +} + +static cairo_surface_t * +similar (cairo_t *cr) +{ + return source (cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR, 2, 2)); +} + +static cairo_t * +extend (cairo_t *cr, cairo_surface_t *(*surface)(cairo_t *), cairo_extend_t mode) +{ + cairo_surface_t *s; + + cairo_set_source_rgb (cr, 0, 1, 1); + cairo_paint (cr); + + /* Now use extend modes to cover most of the surface with those 4 colors */ + s = surface (cr); + cairo_set_source_surface (cr, s, SIZE/2 - 1, SIZE/2 - 1); + cairo_surface_destroy (s); + + cairo_pattern_set_extend (cairo_get_source (cr), mode); + + cairo_rectangle (cr, 10, 10, SIZE-20, SIZE-20); + cairo_clip (cr); + cairo_paint (cr); + + return cr; +} + +static cairo_t * +extend_none (cairo_t *cr, + cairo_surface_t *(*pattern)(cairo_t *)) +{ + return extend (cr, pattern, CAIRO_EXTEND_NONE); +} + +static cairo_t * +extend_pad (cairo_t *cr, + cairo_surface_t *(*pattern)(cairo_t *)) +{ + return extend (cr, pattern, CAIRO_EXTEND_PAD); +} + +static cairo_t * +extend_repeat (cairo_t *cr, + cairo_surface_t *(*pattern)(cairo_t *)) +{ + return extend (cr, pattern, CAIRO_EXTEND_REPEAT); +} + +static cairo_t * +extend_reflect (cairo_t *cr, + cairo_surface_t *(*pattern)(cairo_t *)) +{ + return extend (cr, pattern, CAIRO_EXTEND_REFLECT); +} + +static cairo_t * +record_create (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_recording_surface_create (cairo_surface_get_content (cairo_get_target (target)), NULL); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_surface_t * +record_get (cairo_t *target) +{ + cairo_surface_t *surface; + + surface = cairo_surface_reference (cairo_get_target (target)); + cairo_destroy (target); + + return surface; +} + +static cairo_test_status_t +record_replay (cairo_t *cr, + cairo_t *(*func)(cairo_t *, + cairo_surface_t *(*pattern)(cairo_t *)), + cairo_surface_t *(*pattern)(cairo_t *), + int width, int height) +{ + cairo_surface_t *surface; + int x, y; + + surface = record_get (func (record_create (cr), pattern)); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + + for (y = 0; y < height; y += 2) { + for (x = 0; x < width; x += 2) { + cairo_rectangle (cr, x, y, 2, 2); + cairo_clip (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + } + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +record_extend_none (cairo_t *cr, int width, int height) +{ + return record_replay (cr, extend_none, image, width, height); +} + +static cairo_test_status_t +record_extend_pad (cairo_t *cr, int width, int height) +{ + return record_replay (cr, extend_pad, image, width, height); +} + +static cairo_test_status_t +record_extend_repeat (cairo_t *cr, int width, int height) +{ + return record_replay (cr, extend_repeat, image, width, height); +} + +static cairo_test_status_t +record_extend_reflect (cairo_t *cr, int width, int height) +{ + return record_replay (cr, extend_reflect, image, width, height); +} + +static cairo_test_status_t +record_extend_none_similar (cairo_t *cr, int width, int height) +{ + return record_replay (cr, extend_none, similar, width, height); +} + +static cairo_test_status_t +record_extend_pad_similar (cairo_t *cr, int width, int height) +{ + return record_replay (cr, extend_pad, similar, width, height); +} + +static cairo_test_status_t +record_extend_repeat_similar (cairo_t *cr, int width, int height) +{ + return record_replay (cr, extend_repeat, similar, width, height); +} + +static cairo_test_status_t +record_extend_reflect_similar (cairo_t *cr, int width, int height) +{ + return record_replay (cr, extend_reflect, similar, width, height); +} + +CAIRO_TEST (record_extend_none, + "Test CAIRO_EXTEND_NONE for recorded surface patterns", + "record, extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, record_extend_none) +CAIRO_TEST (record_extend_pad, + "Test CAIRO_EXTEND_PAD for recorded surface patterns", + "record, extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, record_extend_pad) +CAIRO_TEST (record_extend_repeat, + "Test CAIRO_EXTEND_REPEAT for recorded surface patterns", + "record, extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, record_extend_repeat) +CAIRO_TEST (record_extend_reflect, + "Test CAIRO_EXTEND_REFLECT for recorded surface patterns", + "record, extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, record_extend_reflect) + +CAIRO_TEST (record_extend_none_similar, + "Test CAIRO_EXTEND_NONE for recorded surface patterns", + "record, extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, record_extend_none_similar) +CAIRO_TEST (record_extend_pad_similar, + "Test CAIRO_EXTEND_PAD for recorded surface patterns", + "record, extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, record_extend_pad_similar) +CAIRO_TEST (record_extend_repeat_similar, + "Test CAIRO_EXTEND_REPEAT for recorded surface patterns", + "record, extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, record_extend_repeat_similar) +CAIRO_TEST (record_extend_reflect_similar, + "Test CAIRO_EXTEND_REFLECT for recorded surface patterns", + "record, extend", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, record_extend_reflect_similar) diff --git a/test/record-mesh.c b/test/record-mesh.c new file mode 100644 index 000000000..754a1d430 --- /dev/null +++ b/test/record-mesh.c @@ -0,0 +1,166 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * Copyright © 2009 Adrian Johnson + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Behdad Esfahbod <behdad@behdad.org> + * Adrian Johnson <ajohnson@redneon.com> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define PAT_WIDTH 170 +#define PAT_HEIGHT 170 +#define SIZE PAT_WIDTH +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + +/* This test is designed to paint a mesh pattern. The mesh contains + * two overlapping patches */ + +static cairo_pattern_t * +mesh (void) +{ + cairo_pattern_t *pattern; + + pattern = cairo_pattern_create_mesh (); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 0, 0); + cairo_mesh_pattern_curve_to (pattern, 30, -30, 60, 30, 100, 0); + cairo_mesh_pattern_curve_to (pattern, 60, 30, 130, 60, 100, 100); + cairo_mesh_pattern_curve_to (pattern, 60, 70, 30, 130, 0, 100); + cairo_mesh_pattern_curve_to (pattern, 30, 70, -30, 30, 0, 0); + + cairo_mesh_pattern_set_corner_color_rgb (pattern, 0, 1, 0, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 2, 0, 0, 1); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + cairo_mesh_pattern_begin_patch (pattern); + + cairo_mesh_pattern_move_to (pattern, 50, 50); + cairo_mesh_pattern_curve_to (pattern, 80, 20, 110, 80, 150, 50); + cairo_mesh_pattern_curve_to (pattern, 110, 80, 180, 110, 150, 150); + cairo_mesh_pattern_curve_to (pattern, 110, 120, 80, 180, 50, 150); + cairo_mesh_pattern_curve_to (pattern, 80, 120, 20, 80, 50, 50); + + cairo_mesh_pattern_set_corner_color_rgba (pattern, 0, 1, 0, 0, 0.3); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 1, 0, 1, 0); + cairo_mesh_pattern_set_corner_color_rgba (pattern, 2, 0, 0, 1, 0.3); + cairo_mesh_pattern_set_corner_color_rgb (pattern, 3, 1, 1, 0); + + cairo_mesh_pattern_end_patch (pattern); + + return pattern; +} + +static cairo_t * +draw (cairo_t *cr) +{ + cairo_pattern_t *source; + + cairo_set_source_rgb (cr, 0, 1, 1); + cairo_paint (cr); + + source = mesh (); + cairo_set_source (cr, source); + cairo_pattern_destroy (source); + + cairo_rectangle (cr, 10, 10, SIZE-20, SIZE-20); + cairo_clip (cr); + cairo_paint (cr); + + return cr; +} + +static cairo_t * +record_create (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_recording_surface_create (cairo_surface_get_content (cairo_get_target (target)), NULL); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_surface_t * +record_get (cairo_t *target) +{ + cairo_surface_t *surface; + + surface = cairo_surface_reference (cairo_get_target (target)); + cairo_destroy (target); + + return surface; +} + +static cairo_test_status_t +record_replay (cairo_t *cr, cairo_t *(*func)(cairo_t *), int width, int height) +{ + cairo_surface_t *surface; + int x, y; + + surface = record_get (func (record_create (cr))); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + + for (y = 0; y < height; y += 2) { + for (x = 0; x < width; x += 2) { + cairo_rectangle (cr, x, y, 2, 2); + cairo_clip (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + } + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +record_mesh (cairo_t *cr, int width, int height) +{ + return record_replay (cr, draw, width, height); +} + +CAIRO_TEST (record_mesh, + "Paint mesh pattern through a recording surface", + "record,mesh,pattern", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, record_mesh) + diff --git a/test/record.c b/test/record.c new file mode 100644 index 000000000..b1baadace --- /dev/null +++ b/test/record.c @@ -0,0 +1,491 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2011 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: + * Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define TEXT_SIZE 12 +#define SIZE 60 /* needs to be big to check large area effects (dithering) */ +#define PAD 2 + +#define TT_SIZE 100 +#define TT_PAD 5 +#define TT_FONT_SIZE 32.0 + +#define GENERATE_REF 0 + +static uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff +}; + +static const char *png_filename = "romedalen.png"; + +static cairo_t * +paint (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_translate (cr, 2, 2); + cairo_scale (cr, 0.5, 0.5); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + return cr; +} + +static cairo_t * +paint_alpha (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_solid_clip (cairo_t *cr) +{ + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 2.5, 2.5, 27, 27); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1., 0.,0.); + cairo_paint_with_alpha (cr, 0.5); + + return cr; +} + +static cairo_t * +paint_alpha_clip (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 10.5, 10.5, 11, 11); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_clip_mask (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_move_to (cr, 16, 5); + cairo_line_to (cr, 5, 16); + cairo_line_to (cr, 16, 27); + cairo_line_to (cr, 27, 16); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +select_font_face (cairo_t *cr) +{ + /* We draw in the default black, so paint white first. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_set_font_size (cr, TEXT_SIZE); + cairo_move_to (cr, 0, TEXT_SIZE); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Serif", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, "i-am-serif"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-sans"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans Mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-mono"); + + return cr; +} + +static cairo_t * +fill_alpha (cairo_t *cr) +{ + const double alpha = 1./3; + int n; + + /* flatten to white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* square */ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); + cairo_set_source_rgba (cr, 1, 0, 0, alpha); + cairo_fill (cr); + + /* circle */ + cairo_translate (cr, SIZE + 2 * PAD, 0); + cairo_arc (cr, PAD + SIZE / 2., PAD + SIZE / 2., SIZE / 2., 0, 2 * M_PI); + cairo_set_source_rgba (cr, 0, 1, 0, alpha); + cairo_fill (cr); + + /* triangle */ + cairo_translate (cr, 0, SIZE + 2 * PAD); + cairo_move_to (cr, PAD + SIZE / 2, PAD); + cairo_line_to (cr, PAD + SIZE, PAD + SIZE); + cairo_line_to (cr, PAD, PAD + SIZE); + cairo_set_source_rgba (cr, 0, 0, 1, alpha); + cairo_fill (cr); + + /* star */ + cairo_translate (cr, -(SIZE + 2 * PAD) + SIZE/2., SIZE/2.); + for (n = 0; n < 5; n++) { + cairo_line_to (cr, + SIZE/2 * cos (2*n * 2*M_PI / 10), + SIZE/2 * sin (2*n * 2*M_PI / 10)); + + cairo_line_to (cr, + SIZE/4 * cos ((2*n+1)*2*M_PI / 10), + SIZE/4 * sin ((2*n+1)*2*M_PI / 10)); + } + cairo_set_source_rgba (cr, 0, 0, 0, alpha); + cairo_fill (cr); + + return cr; +} + +static cairo_t * +self_intersecting (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 1.0, 1.0); + + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + + /* First draw the desired shape with a fill */ + cairo_rectangle (cr, 0.5, 0.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 3.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 1.5, -2.0, 2.0); + cairo_rectangle (cr, 6.5, 4.5, -2.0, 2.0); + + cairo_fill (cr); + + /* Then try the same thing with a stroke */ + cairo_translate (cr, 0, 10); + cairo_move_to (cr, 1.0, 1.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, 6.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, -3.0); + cairo_rel_line_to (cr, -6.0, 0.0); + cairo_close_path (cr); + + cairo_set_line_width (cr, 1.0); + cairo_stroke (cr); + + return cr; +} + +static void +draw_text_transform (cairo_t *cr) +{ + cairo_matrix_t tm; + + /* skew */ + cairo_matrix_init (&tm, 1, 0, + -0.25, 1, + 0, 0); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, 50, TT_SIZE-TT_PAD); + cairo_show_text (cr, "A"); + + /* rotate and scale */ + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE * 2.0); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 25); + cairo_show_text (cr, "A"); + + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE * 2.0, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 50); + cairo_show_text (cr, "A"); +} + +static cairo_t * +text_transform (cairo_t *cr) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0., 0., 0.); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + draw_text_transform (cr); + + cairo_translate (cr, TT_SIZE, TT_SIZE); + cairo_rotate (cr, M_PI); + + pattern = cairo_test_create_pattern_from_png (ctx, png_filename); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + draw_text_transform (cr); + + return cr; +} + +/* And here begins the recording and replaying... */ + +static cairo_t * +record_create (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_recording_surface_create (cairo_surface_get_content (cairo_get_target (target)), NULL); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_surface_t * +record_get (cairo_t *target) +{ + cairo_surface_t *surface; + + surface = cairo_surface_reference (cairo_get_target (target)); + cairo_destroy (target); + + return surface; +} + +static cairo_test_status_t +record_replay (cairo_t *cr, cairo_t *(*func)(cairo_t *), int width, int height) +{ + cairo_surface_t *surface; + int x, y; + +#if GENERATE_REF + func(cr); +#else + surface = record_get (func (record_create (cr))); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + + for (y = 0; y < height; y += 2) { + for (x = 0; x < width; x += 2) { + cairo_rectangle (cr, x, y, 2, 2); + cairo_clip (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + } + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +record_paint (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint, width, height); +} + +static cairo_test_status_t +record_paint_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha, width, height); +} + +static cairo_test_status_t +record_paint_alpha_solid_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_solid_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip_mask (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip_mask, width, height); +} + +static cairo_test_status_t +record_fill_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, fill_alpha, width, height); +} + +static cairo_test_status_t +record_self_intersecting (cairo_t *cr, int width, int height) +{ + return record_replay (cr, self_intersecting, width, height); +} + +static cairo_test_status_t +record_select_font_face (cairo_t *cr, int width, int height) +{ + return record_replay (cr, select_font_face, width, height); +} + +static cairo_test_status_t +record_text_transform (cairo_t *cr, int width, int height) +{ + return record_replay (cr, text_transform, width, height); +} + +CAIRO_TEST (record_paint, + "Test replayed calls to cairo_paint", + "paint,record", /* keywords */ + NULL, /* requirements */ + 8, 8, + NULL, record_paint) +CAIRO_TEST (record_paint_alpha, + "Simple test of cairo_paint_with_alpha", + "record, paint, alpha", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha) +CAIRO_TEST (record_paint_alpha_solid_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha_solid_clip) +CAIRO_TEST (record_paint_alpha_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha_clip) +CAIRO_TEST (record_paint_alpha_clip_mask, + "Simple test of cairo_paint_with_alpha+triangular clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha_clip_mask) +CAIRO_TEST (record_fill_alpha, + "Tests using set_rgba();fill()", + "record,fill, alpha", /* keywords */ + NULL, /* requirements */ + 2*SIZE + 4*PAD, 2*SIZE + 4*PAD, + NULL, record_fill_alpha) +CAIRO_TEST (record_select_font_face, + "Tests using cairo_select_font_face to draw text in different faces", + "record, font", /* keywords */ + NULL, /* requirements */ + 192, TEXT_SIZE + 4, + NULL, record_select_font_face) +CAIRO_TEST (record_self_intersecting, + "Test strokes of self-intersecting paths", + "record, stroke, trap", /* keywords */ + NULL, /* requirements */ + 10, 20, + NULL, record_self_intersecting) +CAIRO_TEST (record_text_transform, + "Test various applications of the font matrix", + "record, text, transform", /* keywords */ + NULL, /* requirements */ + TT_SIZE, TT_SIZE, + NULL, record_text_transform) diff --git a/test/record1414x.c b/test/record1414x.c new file mode 100644 index 000000000..029e5a4d6 --- /dev/null +++ b/test/record1414x.c @@ -0,0 +1,498 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2011 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: + * Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#ifndef M_SQRT2 +#define M_SQRT2 1.41421345623730951 +#endif + +#define TEXT_SIZE 12 +#define SIZE 60 /* needs to be big to check large area effects (dithering) */ +#define PAD 2 + +#define TT_SIZE 100 +#define TT_PAD 5 +#define TT_FONT_SIZE 32.0 + +#define GENERATE_REF 0 + +static uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff +}; + +static const char *png_filename = "romedalen.png"; + +static cairo_t * +paint (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_translate (cr, 2, 2); + cairo_scale (cr, 0.5, 0.5); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + return cr; +} + +static cairo_t * +paint_alpha (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_solid_clip (cairo_t *cr) +{ + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 2.5, 2.5, 27, 27); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1., 0.,0.); + cairo_paint_with_alpha (cr, 0.5); + + return cr; +} + +static cairo_t * +paint_alpha_clip (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 10.5, 10.5, 11, 11); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_clip_mask (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_move_to (cr, 16, 5); + cairo_line_to (cr, 5, 16); + cairo_line_to (cr, 16, 27); + cairo_line_to (cr, 27, 16); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +select_font_face (cairo_t *cr) +{ + /* We draw in the default black, so paint white first. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_set_font_size (cr, TEXT_SIZE); + cairo_move_to (cr, 0, TEXT_SIZE); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Serif", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, "i-am-serif"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-sans"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans Mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-mono"); + + return cr; +} + +static cairo_t * +fill_alpha (cairo_t *cr) +{ + const double alpha = 1./3; + int n; + + /* flatten to white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* square */ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); + cairo_set_source_rgba (cr, 1, 0, 0, alpha); + cairo_fill (cr); + + /* circle */ + cairo_translate (cr, SIZE + 2 * PAD, 0); + cairo_arc (cr, PAD + SIZE / 2., PAD + SIZE / 2., SIZE / 2., 0, 2 * M_PI); + cairo_set_source_rgba (cr, 0, 1, 0, alpha); + cairo_fill (cr); + + /* triangle */ + cairo_translate (cr, 0, SIZE + 2 * PAD); + cairo_move_to (cr, PAD + SIZE / 2, PAD); + cairo_line_to (cr, PAD + SIZE, PAD + SIZE); + cairo_line_to (cr, PAD, PAD + SIZE); + cairo_set_source_rgba (cr, 0, 0, 1, alpha); + cairo_fill (cr); + + /* star */ + cairo_translate (cr, -(SIZE + 2 * PAD) + SIZE/2., SIZE/2.); + for (n = 0; n < 5; n++) { + cairo_line_to (cr, + SIZE/2 * cos (2*n * 2*M_PI / 10), + SIZE/2 * sin (2*n * 2*M_PI / 10)); + + cairo_line_to (cr, + SIZE/4 * cos ((2*n+1)*2*M_PI / 10), + SIZE/4 * sin ((2*n+1)*2*M_PI / 10)); + } + cairo_set_source_rgba (cr, 0, 0, 0, alpha); + cairo_fill (cr); + + return cr; +} + +static cairo_t * +self_intersecting (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 1.0, 1.0); + + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + + /* First draw the desired shape with a fill */ + cairo_rectangle (cr, 0.5, 0.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 3.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 1.5, -2.0, 2.0); + cairo_rectangle (cr, 6.5, 4.5, -2.0, 2.0); + + cairo_fill (cr); + + /* Then try the same thing with a stroke */ + cairo_translate (cr, 0, 10); + cairo_move_to (cr, 1.0, 1.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, 6.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, -3.0); + cairo_rel_line_to (cr, -6.0, 0.0); + cairo_close_path (cr); + + cairo_set_line_width (cr, 1.0); + cairo_stroke (cr); + + return cr; +} + +static void +draw_text_transform (cairo_t *cr) +{ + cairo_matrix_t tm; + + /* skew */ + cairo_matrix_init (&tm, 1, 0, + -0.25, 1, + 0, 0); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, 50, TT_SIZE-TT_PAD); + cairo_show_text (cr, "A"); + + /* rotate and scale */ + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE * 2.0); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 25); + cairo_show_text (cr, "A"); + + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE * 2.0, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 50); + cairo_show_text (cr, "A"); +} + +static cairo_t * +text_transform (cairo_t *cr) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0., 0., 0.); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + draw_text_transform (cr); + + cairo_translate (cr, TT_SIZE, TT_SIZE); + cairo_rotate (cr, M_PI); + + pattern = cairo_test_create_pattern_from_png (ctx, png_filename); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + draw_text_transform (cr); + + return cr; +} + +/* And here begins the recording and replaying... */ + +static cairo_t * +record_create (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_recording_surface_create (cairo_surface_get_content (cairo_get_target (target)), NULL); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_surface_t * +record_get (cairo_t *target) +{ + cairo_surface_t *surface; + + surface = cairo_surface_reference (cairo_get_target (target)); + cairo_destroy (target); + + return surface; +} + +static cairo_test_status_t +record_replay (cairo_t *cr, cairo_t *(*func)(cairo_t *), int width, int height) +{ + cairo_surface_t *surface; + int x, y; + +#if GENERATE_REF + cairo_scale (cr, M_SQRT2, M_SQRT2); + func (cr); +#else + surface = record_get (func (record_create (cr))); + + cairo_scale (cr, M_SQRT2, M_SQRT2); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + + cairo_identity_matrix (cr); /* make sure the clip is pixel-aligned */ + for (y = 0; y < height; y += 2) { + for (x = 0; x < width; x += 2) { + cairo_rectangle (cr, x, y, 2, 2); + cairo_clip (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + } + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +record_paint (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint, width, height); +} + +static cairo_test_status_t +record_paint_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha, width, height); +} + +static cairo_test_status_t +record_paint_alpha_solid_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_solid_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip_mask (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip_mask, width, height); +} + +static cairo_test_status_t +record_fill_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, fill_alpha, width, height); +} + +static cairo_test_status_t +record_self_intersecting (cairo_t *cr, int width, int height) +{ + return record_replay (cr, self_intersecting, width, height); +} + +static cairo_test_status_t +record_select_font_face (cairo_t *cr, int width, int height) +{ + return record_replay (cr, select_font_face, width, height); +} + +static cairo_test_status_t +record_text_transform (cairo_t *cr, int width, int height) +{ + return record_replay (cr, text_transform, width, height); +} + +CAIRO_TEST (record1414x_paint, + "Test replayed calls to cairo_paint", + "paint, record", /* keywords */ + NULL, /* requirements */ + M_SQRT2*8, M_SQRT2*8, + NULL, record_paint) +CAIRO_TEST (record1414x_paint_alpha, + "Simple test of cairo_paint_with_alpha", + "record, paint, alpha", /* keywords */ + NULL, /* requirements */ + M_SQRT2*32, M_SQRT2*32, + NULL, record_paint_alpha) +CAIRO_TEST (record1414x_paint_alpha_solid_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + M_SQRT2*32, M_SQRT2*32, + NULL, record_paint_alpha_solid_clip) +CAIRO_TEST (record1414x_paint_alpha_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + M_SQRT2*32, M_SQRT2*32, + NULL, record_paint_alpha_clip) +CAIRO_TEST (record1414x_paint_alpha_clip_mask, + "Simple test of cairo_paint_with_alpha+triangular clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + M_SQRT2*32, M_SQRT2*32, + NULL, record_paint_alpha_clip_mask) +CAIRO_TEST (record1414x_fill_alpha, + "Tests using set_rgba();fill()", + "record, fill, alpha", /* keywords */ + NULL, /* requirements */ + M_SQRT2*(2*SIZE + 4*PAD), M_SQRT2*(2*SIZE + 4*PAD), + NULL, record_fill_alpha) +CAIRO_TEST (record1414x_select_font_face, + "Tests using cairo_select_font_face to draw text in different faces", + "record, font", /* keywords */ + NULL, /* requirements */ + M_SQRT2*192, M_SQRT2*(TEXT_SIZE + 4), + NULL, record_select_font_face) +CAIRO_TEST (record1414x_self_intersecting, + "Test strokes of self-intersecting paths", + "record, stroke, trap", /* keywords */ + NULL, /* requirements */ + M_SQRT2*10, M_SQRT2*20, + NULL, record_self_intersecting) +CAIRO_TEST (record1414x_text_transform, + "Test various applications of the font matrix", + "record, text, transform", /* keywords */ + NULL, /* requirements */ + M_SQRT2*TT_SIZE, M_SQRT2*TT_SIZE, + NULL, record_text_transform) diff --git a/test/record2x.c b/test/record2x.c new file mode 100644 index 000000000..7fe037732 --- /dev/null +++ b/test/record2x.c @@ -0,0 +1,493 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2011 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: + * Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define TEXT_SIZE 12 +#define SIZE 60 /* needs to be big to check large area effects (dithering) */ +#define PAD 2 + +#define TT_SIZE 100 +#define TT_PAD 5 +#define TT_FONT_SIZE 32.0 + +#define GENERATE_REF 0 + +static uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff +}; + +static const char *png_filename = "romedalen.png"; + +static cairo_t * +paint (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_translate (cr, 2, 2); + cairo_scale (cr, 0.5, 0.5); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + return cr; +} + +static cairo_t * +paint_alpha (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_solid_clip (cairo_t *cr) +{ + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 2.5, 2.5, 27, 27); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1., 0.,0.); + cairo_paint_with_alpha (cr, 0.5); + + return cr; +} + +static cairo_t * +paint_alpha_clip (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 10.5, 10.5, 11, 11); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_clip_mask (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_move_to (cr, 16, 5); + cairo_line_to (cr, 5, 16); + cairo_line_to (cr, 16, 27); + cairo_line_to (cr, 27, 16); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +select_font_face (cairo_t *cr) +{ + /* We draw in the default black, so paint white first. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_set_font_size (cr, TEXT_SIZE); + cairo_move_to (cr, 0, TEXT_SIZE); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Serif", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, "i-am-serif"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-sans"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans Mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-mono"); + + return cr; +} + +static cairo_t * +fill_alpha (cairo_t *cr) +{ + const double alpha = 1./3; + int n; + + /* flatten to white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* square */ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); + cairo_set_source_rgba (cr, 1, 0, 0, alpha); + cairo_fill (cr); + + /* circle */ + cairo_translate (cr, SIZE + 2 * PAD, 0); + cairo_arc (cr, PAD + SIZE / 2., PAD + SIZE / 2., SIZE / 2., 0, 2 * M_PI); + cairo_set_source_rgba (cr, 0, 1, 0, alpha); + cairo_fill (cr); + + /* triangle */ + cairo_translate (cr, 0, SIZE + 2 * PAD); + cairo_move_to (cr, PAD + SIZE / 2, PAD); + cairo_line_to (cr, PAD + SIZE, PAD + SIZE); + cairo_line_to (cr, PAD, PAD + SIZE); + cairo_set_source_rgba (cr, 0, 0, 1, alpha); + cairo_fill (cr); + + /* star */ + cairo_translate (cr, -(SIZE + 2 * PAD) + SIZE/2., SIZE/2.); + for (n = 0; n < 5; n++) { + cairo_line_to (cr, + SIZE/2 * cos (2*n * 2*M_PI / 10), + SIZE/2 * sin (2*n * 2*M_PI / 10)); + + cairo_line_to (cr, + SIZE/4 * cos ((2*n+1)*2*M_PI / 10), + SIZE/4 * sin ((2*n+1)*2*M_PI / 10)); + } + cairo_set_source_rgba (cr, 0, 0, 0, alpha); + cairo_fill (cr); + + return cr; +} + +static cairo_t * +self_intersecting (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 1.0, 1.0); + + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + + /* First draw the desired shape with a fill */ + cairo_rectangle (cr, 0.5, 0.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 3.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 1.5, -2.0, 2.0); + cairo_rectangle (cr, 6.5, 4.5, -2.0, 2.0); + + cairo_fill (cr); + + /* Then try the same thing with a stroke */ + cairo_translate (cr, 0, 10); + cairo_move_to (cr, 1.0, 1.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, 6.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, -3.0); + cairo_rel_line_to (cr, -6.0, 0.0); + cairo_close_path (cr); + + cairo_set_line_width (cr, 1.0); + cairo_stroke (cr); + + return cr; +} + +static void +draw_text_transform (cairo_t *cr) +{ + cairo_matrix_t tm; + + /* skew */ + cairo_matrix_init (&tm, 1, 0, + -0.25, 1, + 0, 0); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, 50, TT_SIZE-TT_PAD); + cairo_show_text (cr, "A"); + + /* rotate and scale */ + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE * 2.0); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 25); + cairo_show_text (cr, "A"); + + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE * 2.0, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 50); + cairo_show_text (cr, "A"); +} + +static cairo_t * +text_transform (cairo_t *cr) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0., 0., 0.); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + draw_text_transform (cr); + + cairo_translate (cr, TT_SIZE, TT_SIZE); + cairo_rotate (cr, M_PI); + + pattern = cairo_test_create_pattern_from_png (ctx, png_filename); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + draw_text_transform (cr); + + return cr; +} + +/* And here begins the recording and replaying... */ + +static cairo_t * +record_create (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_recording_surface_create (cairo_surface_get_content (cairo_get_target (target)), NULL); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_surface_t * +record_get (cairo_t *target) +{ + cairo_surface_t *surface; + + surface = cairo_surface_reference (cairo_get_target (target)); + cairo_destroy (target); + + return surface; +} + +static cairo_test_status_t +record_replay (cairo_t *cr, cairo_t *(*func)(cairo_t *), int width, int height) +{ + cairo_surface_t *surface; + int x, y; + +#if GENERATE_REF + cairo_scale (cr, 2, 2); + func(cr); +#else + surface = record_get (func (record_create (cr))); + + cairo_scale (cr, 2, 2); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + + for (y = 0; y < height; y += 2) { + for (x = 0; x < width; x += 2) { + cairo_rectangle (cr, x, y, 2, 2); + cairo_clip (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + } + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +record_paint (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint, width, height); +} + +static cairo_test_status_t +record_paint_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha, width, height); +} + +static cairo_test_status_t +record_paint_alpha_solid_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_solid_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip_mask (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip_mask, width, height); +} + +static cairo_test_status_t +record_fill_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, fill_alpha, width, height); +} + +static cairo_test_status_t +record_self_intersecting (cairo_t *cr, int width, int height) +{ + return record_replay (cr, self_intersecting, width, height); +} + +static cairo_test_status_t +record_select_font_face (cairo_t *cr, int width, int height) +{ + return record_replay (cr, select_font_face, width, height); +} + +static cairo_test_status_t +record_text_transform (cairo_t *cr, int width, int height) +{ + return record_replay (cr, text_transform, width, height); +} + +CAIRO_TEST (record2x_paint, + "Test replayed calls to cairo_paint", + "paint,record", /* keywords */ + NULL, /* requirements */ + 2*8, 2*8, + NULL, record_paint) +CAIRO_TEST (record2x_paint_alpha, + "Simple test of cairo_paint_with_alpha", + "record, paint, alpha", /* keywords */ + NULL, /* requirements */ + 2*32, 2*32, + NULL, record_paint_alpha) +CAIRO_TEST (record2x_paint_alpha_solid_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 2*32, 2*32, + NULL, record_paint_alpha_solid_clip) +CAIRO_TEST (record2x_paint_alpha_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 2*32, 2*32, + NULL, record_paint_alpha_clip) +CAIRO_TEST (record2x_paint_alpha_clip_mask, + "Simple test of cairo_paint_with_alpha+triangular clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 2*32, 2*32, + NULL, record_paint_alpha_clip_mask) +CAIRO_TEST (record2x_fill_alpha, + "Tests using set_rgba();fill()", + "record,fill, alpha", /* keywords */ + NULL, /* requirements */ + 2*(2*SIZE + 4*PAD), 2*(2*SIZE + 4*PAD), + NULL, record_fill_alpha) +CAIRO_TEST (record2x_select_font_face, + "Tests using cairo_select_font_face to draw text in different faces", + "record, font", /* keywords */ + NULL, /* requirements */ + 2*192, 2*(TEXT_SIZE + 4), + NULL, record_select_font_face) +CAIRO_TEST (record2x_self_intersecting, + "Test strokes of self-intersecting paths", + "record, stroke, trap", /* keywords */ + NULL, /* requirements */ + 2*10, 2*20, + NULL, record_self_intersecting) +CAIRO_TEST (record2x_text_transform, + "Test various applications of the font matrix", + "record, text, transform", /* keywords */ + NULL, /* requirements */ + 2*TT_SIZE, 2*TT_SIZE, + NULL, record_text_transform) diff --git a/test/record90.c b/test/record90.c new file mode 100644 index 000000000..95ba3b1b1 --- /dev/null +++ b/test/record90.c @@ -0,0 +1,495 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2011 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: + * Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define TEXT_SIZE 12 +#define SIZE 60 /* needs to be big to check large area effects (dithering) */ +#define PAD 2 + +#define TT_SIZE 100 +#define TT_PAD 5 +#define TT_FONT_SIZE 32.0 + +#define GENERATE_REF 0 + +static uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff +}; + +static const char *png_filename = "romedalen.png"; + +static cairo_t * +paint (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_translate (cr, 2, 2); + cairo_scale (cr, 0.5, 0.5); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + return cr; +} + +static cairo_t * +paint_alpha (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_solid_clip (cairo_t *cr) +{ + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 2.5, 2.5, 27, 27); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1., 0.,0.); + cairo_paint_with_alpha (cr, 0.5); + + return cr; +} + +static cairo_t * +paint_alpha_clip (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 10.5, 10.5, 11, 11); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_clip_mask (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_move_to (cr, 16, 5); + cairo_line_to (cr, 5, 16); + cairo_line_to (cr, 16, 27); + cairo_line_to (cr, 27, 16); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +select_font_face (cairo_t *cr) +{ + /* We draw in the default black, so paint white first. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_set_font_size (cr, TEXT_SIZE); + cairo_move_to (cr, 0, TEXT_SIZE); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Serif", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, "i-am-serif"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-sans"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans Mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-mono"); + + return cr; +} + +static cairo_t * +fill_alpha (cairo_t *cr) +{ + const double alpha = 1./3; + int n; + + /* flatten to white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* square */ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); + cairo_set_source_rgba (cr, 1, 0, 0, alpha); + cairo_fill (cr); + + /* circle */ + cairo_translate (cr, SIZE + 2 * PAD, 0); + cairo_arc (cr, PAD + SIZE / 2., PAD + SIZE / 2., SIZE / 2., 0, 2 * M_PI); + cairo_set_source_rgba (cr, 0, 1, 0, alpha); + cairo_fill (cr); + + /* triangle */ + cairo_translate (cr, 0, SIZE + 2 * PAD); + cairo_move_to (cr, PAD + SIZE / 2, PAD); + cairo_line_to (cr, PAD + SIZE, PAD + SIZE); + cairo_line_to (cr, PAD, PAD + SIZE); + cairo_set_source_rgba (cr, 0, 0, 1, alpha); + cairo_fill (cr); + + /* star */ + cairo_translate (cr, -(SIZE + 2 * PAD) + SIZE/2., SIZE/2.); + for (n = 0; n < 5; n++) { + cairo_line_to (cr, + SIZE/2 * cos (2*n * 2*M_PI / 10), + SIZE/2 * sin (2*n * 2*M_PI / 10)); + + cairo_line_to (cr, + SIZE/4 * cos ((2*n+1)*2*M_PI / 10), + SIZE/4 * sin ((2*n+1)*2*M_PI / 10)); + } + cairo_set_source_rgba (cr, 0, 0, 0, alpha); + cairo_fill (cr); + + return cr; +} + +static cairo_t * +self_intersecting (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 1.0, 1.0); + + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + + /* First draw the desired shape with a fill */ + cairo_rectangle (cr, 0.5, 0.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 3.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 1.5, -2.0, 2.0); + cairo_rectangle (cr, 6.5, 4.5, -2.0, 2.0); + + cairo_fill (cr); + + /* Then try the same thing with a stroke */ + cairo_translate (cr, 0, 10); + cairo_move_to (cr, 1.0, 1.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, 6.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, -3.0); + cairo_rel_line_to (cr, -6.0, 0.0); + cairo_close_path (cr); + + cairo_set_line_width (cr, 1.0); + cairo_stroke (cr); + + return cr; +} + +static void +draw_text_transform (cairo_t *cr) +{ + cairo_matrix_t tm; + + /* skew */ + cairo_matrix_init (&tm, 1, 0, + -0.25, 1, + 0, 0); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, 50, TT_SIZE-TT_PAD); + cairo_show_text (cr, "A"); + + /* rotate and scale */ + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE * 2.0); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 25); + cairo_show_text (cr, "A"); + + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE * 2.0, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 50); + cairo_show_text (cr, "A"); +} + +static cairo_t * +text_transform (cairo_t *cr) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0., 0., 0.); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + draw_text_transform (cr); + + cairo_translate (cr, TT_SIZE, TT_SIZE); + cairo_rotate (cr, M_PI); + + pattern = cairo_test_create_pattern_from_png (ctx, png_filename); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + draw_text_transform (cr); + + return cr; +} + +/* And here begins the recording and replaying... */ + +static cairo_t * +record_create (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_recording_surface_create (cairo_surface_get_content (cairo_get_target (target)), NULL); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_surface_t * +record_get (cairo_t *target) +{ + cairo_surface_t *surface; + + surface = cairo_surface_reference (cairo_get_target (target)); + cairo_destroy (target); + + return surface; +} + +static cairo_test_status_t +record_replay (cairo_t *cr, cairo_t *(*func)(cairo_t *), int width, int height) +{ + cairo_surface_t *surface; + int x, y; + +#if GENERATE_REF + cairo_translate(cr, width, 0); + cairo_rotate (cr, M_PI/2); + func(cr); +#else + surface = record_get (func (record_create (cr))); + + cairo_translate(cr, width, 0); + cairo_rotate (cr, M_PI/2); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + + for (y = 0; y < width; y += 2) { + for (x = 0; x < height; x += 2) { + cairo_rectangle (cr, x, y, 2, 2); + cairo_clip (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + } + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +record_paint (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint, width, height); +} + +static cairo_test_status_t +record_paint_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha, width, height); +} + +static cairo_test_status_t +record_paint_alpha_solid_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_solid_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip_mask (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip_mask, width, height); +} + +static cairo_test_status_t +record_fill_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, fill_alpha, width, height); +} + +static cairo_test_status_t +record_self_intersecting (cairo_t *cr, int width, int height) +{ + return record_replay (cr, self_intersecting, width, height); +} + +static cairo_test_status_t +record_select_font_face (cairo_t *cr, int width, int height) +{ + return record_replay (cr, select_font_face, width, height); +} + +static cairo_test_status_t +record_text_transform (cairo_t *cr, int width, int height) +{ + return record_replay (cr, text_transform, width, height); +} + +CAIRO_TEST (record90_paint, + "Test replayed calls to cairo_paint", + "paint,record", /* keywords */ + NULL, /* requirements */ + 8, 8, + NULL, record_paint) +CAIRO_TEST (record90_paint_alpha, + "Simple test of cairo_paint_with_alpha", + "record, paint, alpha", /* keywords */ + NULL, /* requirements */ + 2, 32, + NULL, record_paint_alpha) +CAIRO_TEST (record90_paint_alpha_solid_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha_solid_clip) +CAIRO_TEST (record90_paint_alpha_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha_clip) +CAIRO_TEST (record90_paint_alpha_clip_mask, + "Simple test of cairo_paint_with_alpha+triangular clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha_clip_mask) +CAIRO_TEST (record90_fill_alpha, + "Tests using set_rgba();fill()", + "record,fill, alpha", /* keywords */ + NULL, /* requirements */ + 2*SIZE + 4*PAD, 2*SIZE + 4*PAD, + NULL, record_fill_alpha) +CAIRO_TEST (record90_select_font_face, + "Tests using cairo_select_font_face to draw text in different faces", + "record, font", /* keywords */ + NULL, /* requirements */ + TEXT_SIZE + 4, 192, + NULL, record_select_font_face) +CAIRO_TEST (record90_self_intersecting, + "Test strokes of self-intersecting paths", + "record, stroke, trap", /* keywords */ + NULL, /* requirements */ + 20, 10, + NULL, record_self_intersecting) +CAIRO_TEST (record90_text_transform, + "Test various applications of the font matrix", + "record, text, transform", /* keywords */ + NULL, /* requirements */ + TT_SIZE, TT_SIZE, + NULL, record_text_transform) diff --git a/test/recordflip.c b/test/recordflip.c new file mode 100644 index 000000000..e923c8a2a --- /dev/null +++ b/test/recordflip.c @@ -0,0 +1,733 @@ +/* + * Copyright © 2011,2013 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define TEXT_SIZE 12 +#define SIZE 60 /* needs to be big to check large area effects (dithering) */ +#define PAD 2 + +#define TT_SIZE 100 +#define TT_PAD 5 +#define TT_FONT_SIZE 32.0 + +#define GENERATE_REF 0 + +static uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff +}; + +static const char *png_filename = "romedalen.png"; + +static cairo_t * +paint (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + cairo_translate (cr, 2, 2); + cairo_scale (cr, 0.5, 0.5); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + return cr; +} + +static cairo_t * +paint_alpha (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_solid_clip (cairo_t *cr) +{ + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 2.5, 2.5, 27, 27); + cairo_clip (cr); + + cairo_set_source_rgb (cr, 1., 0.,0.); + cairo_paint_with_alpha (cr, 0.5); + + return cr; +} + +static cairo_t * +paint_alpha_clip (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_rectangle (cr, 10.5, 10.5, 11, 11); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +paint_alpha_clip_mask (cairo_t *cr) +{ + cairo_surface_t *surface; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_test_paint_checkered (cr); + + cairo_move_to (cr, 16, 5); + cairo_line_to (cr, 5, 16); + cairo_line_to (cr, 16, 27); + cairo_line_to (cr, 27, 16); + cairo_clip (cr); + + cairo_scale (cr, 4, 4); + + cairo_set_source_surface (cr, surface, 2 , 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint_with_alpha (cr, 0.5); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_t * +select_font_face (cairo_t *cr) +{ + /* We draw in the default black, so paint white first. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_set_font_size (cr, TEXT_SIZE); + cairo_move_to (cr, 0, TEXT_SIZE); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Serif", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, "i-am-serif"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-sans"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans Mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-mono"); + + return cr; +} + +static cairo_t * +fill_alpha (cairo_t *cr) +{ + const double alpha = 1./3; + int n; + + /* flatten to white */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* square */ + cairo_rectangle (cr, PAD, PAD, SIZE, SIZE); + cairo_set_source_rgba (cr, 1, 0, 0, alpha); + cairo_fill (cr); + + /* circle */ + cairo_translate (cr, SIZE + 2 * PAD, 0); + cairo_arc (cr, PAD + SIZE / 2., PAD + SIZE / 2., SIZE / 2., 0, 2 * M_PI); + cairo_set_source_rgba (cr, 0, 1, 0, alpha); + cairo_fill (cr); + + /* triangle */ + cairo_translate (cr, 0, SIZE + 2 * PAD); + cairo_move_to (cr, PAD + SIZE / 2, PAD); + cairo_line_to (cr, PAD + SIZE, PAD + SIZE); + cairo_line_to (cr, PAD, PAD + SIZE); + cairo_set_source_rgba (cr, 0, 0, 1, alpha); + cairo_fill (cr); + + /* star */ + cairo_translate (cr, -(SIZE + 2 * PAD) + SIZE/2., SIZE/2.); + for (n = 0; n < 5; n++) { + cairo_line_to (cr, + SIZE/2 * cos (2*n * 2*M_PI / 10), + SIZE/2 * sin (2*n * 2*M_PI / 10)); + + cairo_line_to (cr, + SIZE/4 * cos ((2*n+1)*2*M_PI / 10), + SIZE/4 * sin ((2*n+1)*2*M_PI / 10)); + } + cairo_set_source_rgba (cr, 0, 0, 0, alpha); + cairo_fill (cr); + + return cr; +} + +static cairo_t * +self_intersecting (cairo_t *cr) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 1.0, 1.0); + + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + + /* First draw the desired shape with a fill */ + cairo_rectangle (cr, 0.5, 0.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 3.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 1.5, -2.0, 2.0); + cairo_rectangle (cr, 6.5, 4.5, -2.0, 2.0); + + cairo_fill (cr); + + /* Then try the same thing with a stroke */ + cairo_translate (cr, 0, 10); + cairo_move_to (cr, 1.0, 1.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, 6.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, -3.0); + cairo_rel_line_to (cr, -6.0, 0.0); + cairo_close_path (cr); + + cairo_set_line_width (cr, 1.0); + cairo_stroke (cr); + + return cr; +} + +static void +draw_text_transform (cairo_t *cr) +{ + cairo_matrix_t tm; + + /* skew */ + cairo_matrix_init (&tm, 1, 0, + -0.25, 1, + 0, 0); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, 50, TT_SIZE-TT_PAD); + cairo_show_text (cr, "A"); + + /* rotate and scale */ + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE, TT_FONT_SIZE * 2.0); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 25); + cairo_show_text (cr, "A"); + + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, TT_FONT_SIZE * 2.0, TT_FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, TT_PAD, TT_PAD + 50); + cairo_show_text (cr, "A"); +} + +static cairo_t * +text_transform (cairo_t *cr) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0., 0., 0.); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + draw_text_transform (cr); + + cairo_translate (cr, TT_SIZE, TT_SIZE); + cairo_rotate (cr, M_PI); + + pattern = cairo_test_create_pattern_from_png (ctx, png_filename); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + draw_text_transform (cr); + + return cr; +} + +/* And here begins the recording and replaying... */ + +static cairo_t * +record_create (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_recording_surface_create (cairo_surface_get_content (cairo_get_target (target)), NULL); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + return cr; +} + +static cairo_surface_t * +record_get (cairo_t *target) +{ + cairo_surface_t *surface; + + surface = cairo_surface_reference (cairo_get_target (target)); + cairo_destroy (target); + + return surface; +} + +static cairo_test_status_t +record_replay (cairo_t *cr, cairo_t *(*func)(cairo_t *), int width, int height) +{ + cairo_surface_t *surface; + int x, y; + +#if GENERATE_REF + { + cairo_surface_t *image; + uint8_t *data, *tmp; + int stride, bpp; + + surface = cairo_get_target (cr); + + func(cr); + + image = cairo_surface_map_to_image (surface, NULL); + + switch (cairo_image_surface_get_format (image)) { + case CAIRO_FORMAT_ARGB32: + case CAIRO_FORMAT_RGB24: + case CAIRO_FORMAT_RGB30: + bpp=4; + break; + case CAIRO_FORMAT_RGB16_565: + bpp=2; + break; + case CAIRO_FORMAT_A8: + bpp=1; + break; + case CAIRO_FORMAT_A1: + case CAIRO_FORMAT_INVALID: + default: + return CAIRO_TEST_FAILURE; + } + + data = cairo_image_surface_get_data (image); + stride = cairo_image_surface_get_stride (image); + + tmp = malloc (stride); + if (tmp == NULL) + return CAIRO_TEST_FAILURE; + + for (y = 0; y < height; y++) { + uint8_t *row = data + y * stride; + for (x = 0; x < width/2; x++) { + memcpy (tmp, row + bpp * x, bpp); + memcpy (row + bpp * x, row + bpp * (width - x - 1), bpp); + memcpy (row + bpp * (width - x - 1), tmp, bpp); + } + } + + for (y = 0; y < height/2; y++) { + memcpy (tmp, data + y * stride, stride); + memcpy (data + y * stride, data + (height - y - 1) * stride, stride); + memcpy (data + (height - y - 1) * stride, tmp, stride); + } + + free (tmp); + + cairo_surface_unmap_image (surface, image); + } +#else + surface = record_get (func (record_create (cr))); + + cairo_scale (cr, -1, -1); + cairo_translate (cr, -width, -height); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + + for (y = 0; y < height; y += 2) { + for (x = 0; x < width; x += 2) { + cairo_rectangle (cr, x, y, 2, 2); + cairo_clip (cr); + cairo_paint (cr); + cairo_reset_clip (cr); + } + } +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +record_whole_replay (cairo_t *cr, cairo_t *(*func)(cairo_t *), int width, int height) +{ + cairo_surface_t *surface; + +#if GENERATE_REF + { + cairo_surface_t *image; + uint8_t *data, *tmp; + int stride, bpp; + int x, y; + + surface = cairo_get_target (cr); + + func(cr); + + image = cairo_surface_map_to_image (surface, NULL); + + switch (cairo_image_surface_get_format (image)) { + case CAIRO_FORMAT_ARGB32: + case CAIRO_FORMAT_RGB24: + case CAIRO_FORMAT_RGB30: + bpp=4; + break; + case CAIRO_FORMAT_RGB16_565: + bpp=2; + break; + case CAIRO_FORMAT_A8: + bpp=1; + break; + case CAIRO_FORMAT_A1: + case CAIRO_FORMAT_INVALID: + default: + return CAIRO_TEST_FAILURE; + } + + data = cairo_image_surface_get_data (image); + stride = cairo_image_surface_get_stride (image); + + tmp = malloc (stride); + if (tmp == NULL) + return CAIRO_TEST_FAILURE; + + for (y = 0; y < height; y++) { + uint8_t *row = data + y * stride; + for (x = 0; x < width/2; x++) { + memcpy (tmp, row + bpp * x, bpp); + memcpy (row + bpp * x, row + bpp * (width - x - 1), bpp); + memcpy (row + bpp * (width - x - 1), tmp, bpp); + } + } + + for (y = 0; y < height/2; y++) { + memcpy (tmp, data + y * stride, stride); + memcpy (data + y * stride, data + (height - y - 1) * stride, stride); + memcpy (data + (height - y - 1) * stride, tmp, stride); + } + + free (tmp); + + cairo_surface_unmap_image (surface, image); + } +#else + surface = record_get (func (record_create (cr))); + + cairo_scale (cr, -1, -1); + cairo_translate (cr, -width, -height); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + + cairo_paint (cr); +#endif + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +record_paint (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint, width, height); +} + +static cairo_test_status_t +record_paint_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha, width, height); +} + +static cairo_test_status_t +record_paint_alpha_solid_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_solid_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip, width, height); +} + +static cairo_test_status_t +record_paint_alpha_clip_mask (cairo_t *cr, int width, int height) +{ + return record_replay (cr, paint_alpha_clip_mask, width, height); +} + +static cairo_test_status_t +record_fill_alpha (cairo_t *cr, int width, int height) +{ + return record_replay (cr, fill_alpha, width, height); +} + +static cairo_test_status_t +record_self_intersecting (cairo_t *cr, int width, int height) +{ + return record_replay (cr, self_intersecting, width, height); +} + +static cairo_test_status_t +record_select_font_face (cairo_t *cr, int width, int height) +{ + return record_replay (cr, select_font_face, width, height); +} + +static cairo_test_status_t +record_text_transform (cairo_t *cr, int width, int height) +{ + return record_replay (cr, text_transform, width, height); +} + +static cairo_test_status_t +record_whole_paint (cairo_t *cr, int width, int height) +{ + return record_whole_replay (cr, paint, width, height); +} + +static cairo_test_status_t +record_whole_paint_alpha (cairo_t *cr, int width, int height) +{ + return record_whole_replay (cr, paint_alpha, width, height); +} + +static cairo_test_status_t +record_whole_paint_alpha_solid_clip (cairo_t *cr, int width, int height) +{ + return record_whole_replay (cr, paint_alpha_solid_clip, width, height); +} + +static cairo_test_status_t +record_whole_paint_alpha_clip (cairo_t *cr, int width, int height) +{ + return record_whole_replay (cr, paint_alpha_clip, width, height); +} + +static cairo_test_status_t +record_whole_paint_alpha_clip_mask (cairo_t *cr, int width, int height) +{ + return record_whole_replay (cr, paint_alpha_clip_mask, width, height); +} + +static cairo_test_status_t +record_whole_fill_alpha (cairo_t *cr, int width, int height) +{ + return record_whole_replay (cr, fill_alpha, width, height); +} + +static cairo_test_status_t +record_whole_self_intersecting (cairo_t *cr, int width, int height) +{ + return record_whole_replay (cr, self_intersecting, width, height); +} + +static cairo_test_status_t +record_whole_select_font_face (cairo_t *cr, int width, int height) +{ + return record_whole_replay (cr, select_font_face, width, height); +} + +static cairo_test_status_t +record_whole_text_transform (cairo_t *cr, int width, int height) +{ + return record_whole_replay (cr, text_transform, width, height); +} + +CAIRO_TEST (recordflip_whole_paint, + "Test replayed calls to cairo_paint", + "paint,record", /* keywords */ + NULL, /* requirements */ + 8, 8, + NULL, record_whole_paint) +CAIRO_TEST (recordflip_whole_paint_alpha, + "Simple test of cairo_paint_with_alpha", + "record, paint, alpha", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_whole_paint_alpha) +CAIRO_TEST (recordflip_whole_paint_alpha_solid_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_whole_paint_alpha_solid_clip) +CAIRO_TEST (recordflip_whole_paint_alpha_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_whole_paint_alpha_clip) +CAIRO_TEST (recordflip_whole_paint_alpha_clip_mask, + "Simple test of cairo_paint_with_alpha+triangular clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_whole_paint_alpha_clip_mask) +CAIRO_TEST (recordflip_whole_fill_alpha, + "Tests using set_rgba();fill()", + "record,fill, alpha", /* keywords */ + NULL, /* requirements */ + (2*SIZE + 4*PAD), (2*SIZE + 4*PAD), + NULL, record_whole_fill_alpha) +CAIRO_TEST (recordflip_whole_select_font_face, + "Tests using cairo_select_font_face to draw text in different faces", + "record, font", /* keywords */ + NULL, /* requirements */ + 192, (TEXT_SIZE + 4), + NULL, record_whole_select_font_face) +CAIRO_TEST (recordflip_whole_self_intersecting, + "Test strokes of self-intersecting paths", + "record, stroke, trap", /* keywords */ + NULL, /* requirements */ + 10, 20, + NULL, record_whole_self_intersecting) +CAIRO_TEST (recordflip_whole_text_transform, + "Test various applications of the font matrix", + "record, text, transform", /* keywords */ + NULL, /* requirements */ + TT_SIZE, TT_SIZE, + NULL, record_whole_text_transform) + + +CAIRO_TEST (recordflip_paint, + "Test replayed calls to cairo_paint", + "paint,record", /* keywords */ + NULL, /* requirements */ + 8, 8, + NULL, record_paint) +CAIRO_TEST (recordflip_paint_alpha, + "Simple test of cairo_paint_with_alpha", + "record, paint, alpha", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha) +CAIRO_TEST (recordflip_paint_alpha_solid_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha_solid_clip) +CAIRO_TEST (recordflip_paint_alpha_clip, + "Simple test of cairo_paint_with_alpha+unaligned clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha_clip) +CAIRO_TEST (recordflip_paint_alpha_clip_mask, + "Simple test of cairo_paint_with_alpha+triangular clip", + "record, paint, alpha, clip", /* keywords */ + NULL, /* requirements */ + 32, 32, + NULL, record_paint_alpha_clip_mask) +CAIRO_TEST (recordflip_fill_alpha, + "Tests using set_rgba();fill()", + "record,fill, alpha", /* keywords */ + NULL, /* requirements */ + (2*SIZE + 4*PAD), (2*SIZE + 4*PAD), + NULL, record_fill_alpha) +CAIRO_TEST (recordflip_select_font_face, + "Tests using cairo_select_font_face to draw text in different faces", + "record, font", /* keywords */ + NULL, /* requirements */ + 192, (TEXT_SIZE + 4), + NULL, record_select_font_face) +CAIRO_TEST (recordflip_self_intersecting, + "Test strokes of self-intersecting paths", + "record, stroke, trap", /* keywords */ + NULL, /* requirements */ + 10, 20, + NULL, record_self_intersecting) +CAIRO_TEST (recordflip_text_transform, + "Test various applications of the font matrix", + "record, text, transform", /* keywords */ + NULL, /* requirements */ + TT_SIZE, TT_SIZE, + NULL, record_text_transform) diff --git a/test/recording-surface-extend.c b/test/recording-surface-extend.c new file mode 100644 index 000000000..056654530 --- /dev/null +++ b/test/recording-surface-extend.c @@ -0,0 +1,174 @@ +/* + * Copyright © 2007 Adrian Johnson + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Adrian Johnson <ajohnson@redneon.com> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define PAT_WIDTH 120 +#define PAT_HEIGHT 120 +#define SIZE (PAT_WIDTH*2) +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + + +/* This test is designed to test painting a recording surface pattern with + * CAIRO_EXTEND_NONE and a non identity pattern matrix. + */ +static cairo_pattern_t *create_pattern (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_t *cr; + + surface = cairo_surface_create_similar (cairo_get_group_target (target), + CAIRO_CONTENT_COLOR_ALPHA, + PAT_WIDTH, PAT_HEIGHT); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgba (cr, 1, 0, 1, 0.5); + cairo_rectangle (cr, PAT_WIDTH/6.0, PAT_HEIGHT/6.0, PAT_WIDTH/4.0, PAT_HEIGHT/4.0); + cairo_fill (cr); + + cairo_set_source_rgba (cr, 0, 1, 1, 0.5); + cairo_rectangle (cr, PAT_WIDTH/2.0, PAT_HEIGHT/2.0, PAT_WIDTH/4.0, PAT_HEIGHT/4.0); + cairo_fill (cr); + + cairo_set_line_width (cr, 1); + cairo_move_to (cr, PAT_WIDTH/6.0, 0); + cairo_line_to (cr, 0, 0); + cairo_line_to (cr, 0, PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + cairo_move_to (cr, PAT_WIDTH/6.0, PAT_HEIGHT); + cairo_line_to (cr, 0, PAT_HEIGHT); + cairo_line_to (cr, 0, 5*PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_stroke (cr); + cairo_move_to (cr, 5*PAT_WIDTH/6.0, 0); + cairo_line_to (cr, PAT_WIDTH, 0); + cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_stroke (cr); + cairo_move_to (cr, 5*PAT_WIDTH/6.0, PAT_HEIGHT); + cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT); + cairo_line_to (cr, PAT_WIDTH, 5*PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 1, 1, 0); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_set_line_width (cr, PAT_WIDTH/10.0); + + cairo_move_to (cr, 0, PAT_HEIGHT/4.0); + cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT/4.0); + cairo_stroke (cr); + + cairo_move_to (cr, PAT_WIDTH/4.0, 0); + cairo_line_to (cr, PAT_WIDTH/4.0, PAT_WIDTH); + cairo_stroke (cr); + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy (cr); + + return pattern; +} + +static cairo_test_status_t +draw (cairo_t *cr, cairo_extend_t extend) +{ + cairo_pattern_t *pattern; + cairo_matrix_t mat; + + cairo_translate (cr, PAD, PAD); + + pattern = create_pattern (cr); + + cairo_matrix_init_identity (&mat); + cairo_matrix_scale (&mat, 2, 1.5); + cairo_matrix_rotate (&mat, 1); + cairo_matrix_translate (&mat, -PAT_WIDTH/4.0, -PAT_WIDTH/2.0); + cairo_pattern_set_matrix (pattern, &mat); + cairo_pattern_set_extend (pattern, extend); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +none (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_EXTEND_NONE); +} + +static cairo_test_status_t +repeat (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_EXTEND_REPEAT); +} + +static cairo_test_status_t +reflect (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_EXTEND_REFLECT); +} + +static cairo_test_status_t +pad (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_EXTEND_PAD); +} + +CAIRO_TEST (recording_surface_extend_none, + "Paint recording surface pattern with extend modes", + "recording, extend", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, none) +CAIRO_TEST (recording_surface_extend_repeat, + "Paint recording surface pattern with extend modes", + "recording, extend", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, repeat) +CAIRO_TEST (recording_surface_extend_reflect, + "Paint recording surface pattern with extend modes", + "recording, extend", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, reflect) +CAIRO_TEST (recording_surface_extend_pad, + "Paint recording surface pattern with extend modes", + "recording, extend", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, pad) diff --git a/test/recording-surface-pattern.c b/test/recording-surface-pattern.c new file mode 100644 index 000000000..5a5fee2b0 --- /dev/null +++ b/test/recording-surface-pattern.c @@ -0,0 +1,162 @@ +/* + * Copyright © 2007 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define PAT_WIDTH 120 +#define PAT_HEIGHT 120 +#define SIZE (PAT_WIDTH*2) +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + + +/* This test is designed to test painting a recording surface pattern with + * CAIRO_EXTEND_NONE and a non identity pattern matrix. + */ +static cairo_pattern_t *create_pattern (cairo_t *target) +{ + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_t *cr; + + surface = cairo_surface_create_similar (cairo_get_group_target (target), + CAIRO_CONTENT_COLOR_ALPHA, + PAT_WIDTH, PAT_HEIGHT); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgba (cr, 1, 0, 1, 0.5); + cairo_rectangle (cr, PAT_WIDTH/6.0, PAT_HEIGHT/6.0, PAT_WIDTH/4.0, PAT_HEIGHT/4.0); + cairo_fill (cr); + + cairo_set_source_rgba (cr, 0, 1, 1, 0.5); + cairo_rectangle (cr, PAT_WIDTH/2.0, PAT_HEIGHT/2.0, PAT_WIDTH/4.0, PAT_HEIGHT/4.0); + cairo_fill (cr); + + cairo_set_line_width (cr, 1); + cairo_move_to (cr, PAT_WIDTH/6.0, 0); + cairo_line_to (cr, 0, 0); + cairo_line_to (cr, 0, PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + cairo_move_to (cr, PAT_WIDTH/6.0, PAT_HEIGHT); + cairo_line_to (cr, 0, PAT_HEIGHT); + cairo_line_to (cr, 0, 5*PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_stroke (cr); + cairo_move_to (cr, 5*PAT_WIDTH/6.0, 0); + cairo_line_to (cr, PAT_WIDTH, 0); + cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_stroke (cr); + cairo_move_to (cr, 5*PAT_WIDTH/6.0, PAT_HEIGHT); + cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT); + cairo_line_to (cr, PAT_WIDTH, 5*PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 1, 1, 0); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_set_line_width (cr, PAT_WIDTH/10.0); + + cairo_move_to (cr, 0, PAT_HEIGHT/4.0); + cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT/4.0); + cairo_stroke (cr); + + cairo_move_to (cr, PAT_WIDTH/4.0, 0); + cairo_line_to (cr, PAT_WIDTH/4.0, PAT_WIDTH); + cairo_stroke (cr); + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy (cr); + + return pattern; +} + +static cairo_test_status_t +over (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + cairo_matrix_t mat; + + cairo_translate (cr, PAD, PAD); + + pattern = create_pattern (cr); + + cairo_matrix_init_identity (&mat); + cairo_matrix_scale (&mat, 2, 1.5); + cairo_matrix_rotate (&mat, 1); + cairo_matrix_translate (&mat, -PAT_WIDTH/4.0, -PAT_WIDTH/2.0); + cairo_pattern_set_matrix (pattern, &mat); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_NONE); + + cairo_set_source (cr, pattern); + cairo_paint (cr); + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +source (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + cairo_matrix_t mat; + + cairo_translate (cr, PAD, PAD); + + pattern = create_pattern (cr); + + cairo_matrix_init_identity (&mat); + cairo_matrix_scale (&mat, 2, 1.5); + cairo_matrix_rotate (&mat, 1); + cairo_matrix_translate (&mat, -PAT_WIDTH/4.0, -PAT_WIDTH/2.0); + cairo_pattern_set_matrix (pattern, &mat); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_NONE); + + cairo_set_source (cr, pattern); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (recording_surface_over, + "Paint recording surface pattern with non identity pattern matrix", + "recording", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, over) + +CAIRO_TEST (recording_surface_source, + "Paint recording surface pattern with non identity pattern matrix", + "recording", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, source) diff --git a/test/rectangle-rounding-error.c b/test/rectangle-rounding-error.c new file mode 100644 index 000000000..6ad99ae20 --- /dev/null +++ b/test/rectangle-rounding-error.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2005 Bertram Felgenhauer + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * the author not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. The author makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE AUTHOR. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Bertram Felgenhauer <int-e@gmx.de> + */ + +#include "cairo-test.h" + +/* Test case for: + * + * https://bugs.freedesktop.org/show_bug.cgi?id=4137 + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_translate(cr, -300, -300); + cairo_scale(cr, 677.0/26, 677.0/26); + cairo_translate(cr, 1, 1); + + /* this should draw a seamless 2x2 rectangle */ + cairo_rectangle(cr, 11, 11, 1, 1); + cairo_rectangle(cr, 11, 12, 1, 1); + cairo_rectangle(cr, 12, 11, 1, 1); + cairo_rectangle(cr, 12, 12, 1, 1); + + cairo_set_source_rgb(cr, 0, 0, 0); + cairo_fill(cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rectangle_rounding_error, + "This demonstrates (or not) a rounding error that causes a gap between " + "two neighbouring rectangles.", + "trap", /* keywords */ + "target=raster", /* requirements */ + 76, 76, + NULL, draw) diff --git a/test/rectilinear-dash-scale.c b/test/rectilinear-dash-scale.c new file mode 100644 index 000000000..34f334561 --- /dev/null +++ b/test/rectilinear-dash-scale.c @@ -0,0 +1,196 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * Copyright © 2008 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + * + * Based on the original test/rectilinear-stroke.c by Carl D. Worth. + */ + +#include "cairo-test.h" + +#define SIZE 50 + +static void +draw_dashes (cairo_t *cr) +{ + const double dash_square[4] = {4, 2, 2, 2}; + const double dash_butt[4] = {5, 1, 3, 1}; + + cairo_save (cr); + + cairo_set_dash (cr, dash_square, 4, 0); + + cairo_set_line_width (cr, 1.0); + cairo_translate (cr, 1, 1); + + /* Draw everything first with square caps. */ + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + + /* Draw horizontal and vertical segments, each in both + * directions. */ + cairo_move_to (cr, 4.5, 0.5); + cairo_rel_line_to (cr, 2.0, 0.0); + + cairo_move_to (cr, 10.5, 4.5); + cairo_rel_line_to (cr, 0.0, 2.0); + + cairo_move_to (cr, 6.5, 10.5); + cairo_rel_line_to (cr, -2.0, 0.0); + + cairo_move_to (cr, 0.5, 6.5); + cairo_rel_line_to (cr, 0.0, -2.0); + + /* Draw right angle turns in four directions. */ + cairo_move_to (cr, 0.5, 2.5); + cairo_rel_line_to (cr, 0.0, -2.0); + cairo_rel_line_to (cr, 2.0, 0.0); + + cairo_move_to (cr, 8.5, 0.5); + cairo_rel_line_to (cr, 2.0, 0.0); + cairo_rel_line_to (cr, 0.0, 2.0); + + cairo_move_to (cr, 10.5, 8.5); + cairo_rel_line_to (cr, 0.0, 2.0); + cairo_rel_line_to (cr, -2.0, 0.0); + + cairo_move_to (cr, 2.5, 10.5); + cairo_rel_line_to (cr, -2.0, 0.0); + cairo_rel_line_to (cr, 0.0, -2.0); + + cairo_stroke (cr); + + /* Draw a closed-path rectangle */ + cairo_rectangle (cr, 0.5, 12.5, 10.0, 10.0); + cairo_set_dash (cr, dash_square, 4, 2); + cairo_stroke (cr); + + cairo_translate (cr, 12, 0); + + /* Now draw the same results, but with butt caps. */ + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_dash (cr, dash_butt, 4, 0.0); + + /* Draw horizontal and vertical segments, each in both + * directions. */ + cairo_move_to (cr, 4.0, 0.5); + cairo_rel_line_to (cr, 3.0, 0.0); + + cairo_move_to (cr, 10.5, 4.0); + cairo_rel_line_to (cr, 0.0, 3.0); + + cairo_move_to (cr, 7.0, 10.5); + cairo_rel_line_to (cr, -3.0, 0.0); + + cairo_move_to (cr, 0.5, 7.0); + cairo_rel_line_to (cr, 0.0, -3.0); + + /* Draw right angle turns in four directions. */ + cairo_move_to (cr, 0.5, 3.0); + cairo_rel_line_to (cr, 0.0, -2.5); + cairo_rel_line_to (cr, 2.5, 0.0); + + cairo_move_to (cr, 8.0, 0.5); + cairo_rel_line_to (cr, 2.5, 0.0); + cairo_rel_line_to (cr, 0.0, 2.5); + + cairo_move_to (cr, 10.5, 8.0); + cairo_rel_line_to (cr, 0.0, 2.5); + cairo_rel_line_to (cr, -2.5, 0.0); + + cairo_move_to (cr, 3.0, 10.5); + cairo_rel_line_to (cr, -2.5, 0.0); + cairo_rel_line_to (cr, 0.0, -2.5); + + cairo_stroke (cr); + + /* Draw a closed-path rectangle */ + cairo_set_dash (cr, dash_butt, 4, 2.5); + cairo_rectangle (cr, 0.5, 12.5, 10.0, 10.0); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +dashes (cairo_t *cr) +{ + /* Paint background white, then draw in black. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + draw_dashes (cr); + + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + cairo_translate (cr, 0, SIZE); + cairo_scale (cr, 1, -1); + draw_dashes (cr); + cairo_restore (cr); + + cairo_save (cr); + cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); + cairo_translate (cr, SIZE, 0); + cairo_scale (cr, -1, 1); + draw_dashes (cr); + cairo_restore (cr); + + cairo_save (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); + cairo_translate (cr, SIZE, SIZE); + cairo_scale (cr, -1, -1); + draw_dashes (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +aligned (cairo_t *cr, int width, int height) +{ + cairo_scale (cr, 4, 2); + return dashes(cr); +} + +static cairo_test_status_t +unaligned (cairo_t *cr, int width, int height) +{ + cairo_scale (cr, 3.9, 1.9); + return dashes(cr); +} + +CAIRO_TEST (rectilinear_dash_scale, + "Test dashed rectilinear stroke operations (covering only whole pixels) after scaling", + "stroke, dash", /* keywords */ + NULL, /* requirements */ + 4*SIZE, 2*SIZE, + NULL, aligned) + +CAIRO_TEST (rectilinear_dash_scale_unaligned, + "Test dashed rectilinear stroke operations (covering partial pixels) after scaling", + "stroke, dash", /* keywords */ + NULL, /* requirements */ + 4*SIZE, 2*SIZE, + NULL, unaligned) diff --git a/test/rectilinear-dash.c b/test/rectilinear-dash.c new file mode 100644 index 000000000..954a2a042 --- /dev/null +++ b/test/rectilinear-dash.c @@ -0,0 +1,176 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * Copyright © 2008 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Chris Wilson <chris@chris-wilson.co.uk> + * + * Based on the original test/rectilinear-stroke.c by Carl D. Worth. + */ + +#include "cairo-test.h" + +#define SIZE 50 + +static void +draw_dashes (cairo_t *cr) +{ + const double dash_square[4] = {4, 2, 2, 2}; + const double dash_butt[4] = {5, 1, 3, 1}; + + cairo_save (cr); + + cairo_set_dash (cr, dash_square, 4, 0); + + cairo_set_line_width (cr, 1.0); + cairo_translate (cr, 1, 1); + + /* Draw everything first with square caps. */ + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + + /* Draw horizontal and vertical segments, each in both + * directions. */ + cairo_move_to (cr, 4.5, 0.5); + cairo_rel_line_to (cr, 2.0, 0.0); + + cairo_move_to (cr, 10.5, 4.5); + cairo_rel_line_to (cr, 0.0, 2.0); + + cairo_move_to (cr, 6.5, 10.5); + cairo_rel_line_to (cr, -2.0, 0.0); + + cairo_move_to (cr, 0.5, 6.5); + cairo_rel_line_to (cr, 0.0, -2.0); + + /* Draw right angle turns in four directions. */ + cairo_move_to (cr, 0.5, 2.5); + cairo_rel_line_to (cr, 0.0, -2.0); + cairo_rel_line_to (cr, 2.0, 0.0); + + cairo_move_to (cr, 8.5, 0.5); + cairo_rel_line_to (cr, 2.0, 0.0); + cairo_rel_line_to (cr, 0.0, 2.0); + + cairo_move_to (cr, 10.5, 8.5); + cairo_rel_line_to (cr, 0.0, 2.0); + cairo_rel_line_to (cr, -2.0, 0.0); + + cairo_move_to (cr, 2.5, 10.5); + cairo_rel_line_to (cr, -2.0, 0.0); + cairo_rel_line_to (cr, 0.0, -2.0); + + cairo_stroke (cr); + + /* Draw a closed-path rectangle */ + cairo_rectangle (cr, 0.5, 12.5, 10.0, 10.0); + cairo_set_dash (cr, dash_square, 4, 2); + cairo_stroke (cr); + + cairo_translate (cr, 12, 0); + + /* Now draw the same results, but with butt caps. */ + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_dash (cr, dash_butt, 4, 0.0); + + /* Draw horizontal and vertical segments, each in both + * directions. */ + cairo_move_to (cr, 4.0, 0.5); + cairo_rel_line_to (cr, 3.0, 0.0); + + cairo_move_to (cr, 10.5, 4.0); + cairo_rel_line_to (cr, 0.0, 3.0); + + cairo_move_to (cr, 7.0, 10.5); + cairo_rel_line_to (cr, -3.0, 0.0); + + cairo_move_to (cr, 0.5, 7.0); + cairo_rel_line_to (cr, 0.0, -3.0); + + /* Draw right angle turns in four directions. */ + cairo_move_to (cr, 0.5, 3.0); + cairo_rel_line_to (cr, 0.0, -2.5); + cairo_rel_line_to (cr, 2.5, 0.0); + + cairo_move_to (cr, 8.0, 0.5); + cairo_rel_line_to (cr, 2.5, 0.0); + cairo_rel_line_to (cr, 0.0, 2.5); + + cairo_move_to (cr, 10.5, 8.0); + cairo_rel_line_to (cr, 0.0, 2.5); + cairo_rel_line_to (cr, -2.5, 0.0); + + cairo_move_to (cr, 3.0, 10.5); + cairo_rel_line_to (cr, -2.5, 0.0); + cairo_rel_line_to (cr, 0.0, -2.5); + + cairo_stroke (cr); + + /* Draw a closed-path rectangle */ + cairo_set_dash (cr, dash_butt, 4, 2.5); + cairo_rectangle (cr, 0.5, 12.5, 10.0, 10.0); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Paint background white, then draw in black. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + draw_dashes (cr); + + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + cairo_translate (cr, 0, height); + cairo_scale (cr, 1, -1); + draw_dashes (cr); + cairo_restore (cr); + + cairo_save (cr); + cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); + cairo_translate (cr, width, 0); + cairo_scale (cr, -1, 1); + draw_dashes (cr); + cairo_restore (cr); + + cairo_save (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); + cairo_translate (cr, width, height); + cairo_scale (cr, -1, -1); + draw_dashes (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rectilinear_dash, + "Test dashed rectilinear stroke operations (covering only whole pixels)", + "stroke, dash", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) + diff --git a/test/rectilinear-fill.c b/test/rectilinear-fill.c new file mode 100644 index 000000000..3678379ee --- /dev/null +++ b/test/rectilinear-fill.c @@ -0,0 +1,84 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 24 + +static void +draw_rectangles (cairo_t *cr) +{ + cairo_save (cr); + + /* test constructing single rectangles */ + cairo_rectangle (cr, 0, 0, SIZE/2, 2); + cairo_fill (cr); + + cairo_rectangle (cr, 0, 5, SIZE/2, -2); + cairo_fill (cr); + + cairo_rectangle (cr, SIZE/2, 6, -SIZE/2, 2); + cairo_fill (cr); + + cairo_rectangle (cr, SIZE/2, 11, -SIZE/2, -2); + cairo_fill (cr); + + /* test constructing multiple rectangles */ + cairo_translate (cr, 0, 12); + cairo_rectangle (cr, 0, 0, SIZE/2, 2); + cairo_rectangle (cr, 0, 5, SIZE/2, -2); + cairo_rectangle (cr, SIZE/2, 6, -SIZE/2, 2); + cairo_rectangle (cr, SIZE/2, 11, -SIZE/2, -2); + cairo_fill (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Paint background white, then draw in black. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + draw_rectangles (cr); + + /* and check using cw winding */ + cairo_translate (cr, SIZE, SIZE); + cairo_scale (cr, -1, 1); + + draw_rectangles (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rectilinear_fill, + "Test rectilinear fill operations (covering only whole pixels)", + "fill, rectilinear", /* keywords */ + NULL, /* requirements */ + SIZE, 2 * SIZE, + NULL, draw) diff --git a/test/rectilinear-grid.c b/test/rectilinear-grid.c new file mode 100644 index 000000000..6d37c6b8a --- /dev/null +++ b/test/rectilinear-grid.c @@ -0,0 +1,92 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2010 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define SIZE 52 +#define OFFSET 5 +#define DISTANCE 10.25 + +/* + This test checks that boxes not aligned to pixels are drawn + correctly. + + In particular the corners of the boxes are drawn incorrectly by + cairo-image in cairo 1.10.0, because overlapping boxes are passed to + a span converter which assumes disjoint boxes as input. + + This results in corners to be drawn with the wrong shade. +*/ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_set_line_width (cr, 4); + cairo_translate (cr, 2*OFFSET, 2*OFFSET); + + for (i = 0; i < 4; i++) { + double x = i * DISTANCE; + + cairo_move_to (cr, x, -OFFSET-0.75); + cairo_line_to (cr, x, SIZE-3*OFFSET-0.25); + + cairo_move_to (cr, -OFFSET-0.75, x); + cairo_line_to (cr, SIZE-3*OFFSET-0.25, x); + } + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +aligned (cairo_t *cr, int width, int height) +{ + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + return draw (cr, width, height); +} + +CAIRO_TEST (rectilinear_grid, + "Test rectilinear rasterizer (covering partial pixels)", + "rectilinear", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) + +CAIRO_TEST (a1_rectilinear_grid, + "Test rectilinear rasterizer (covering whole pixels)", + "rectilinear", /* keywords */ + "target=raster", /* requirements */ + SIZE, SIZE, + NULL, aligned) diff --git a/test/rectilinear-miter-limit.c b/test/rectilinear-miter-limit.c new file mode 100644 index 000000000..581d98bad --- /dev/null +++ b/test/rectilinear-miter-limit.c @@ -0,0 +1,72 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10 +#define PAD 2 +#define WIDTH (PAD + LINE_WIDTH + PAD) +#define HEIGHT (WIDTH) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_translate (cr, PAD, PAD); + + /* Paint background white, then draw in black. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_width (cr, LINE_WIDTH); + + /* The default miter limit value of 10.0 guarantees that + * right-angle turns, (in fact, any angle greater than 11 + * degrees), gets a miter rather than a bevel join. The + * rectilinear stroke optimization was originally written in a + * buggy way that did not respect the miter limit, (that is, + * inappropriately drawing miter joins when the miter limit would + * turn them into bevels). So we draw here with a miter limit of + * 1.0 to force all miter joins into bevels. */ + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + cairo_set_miter_limit (cr, 1.0); + + cairo_move_to (cr, LINE_WIDTH / 2.0, LINE_WIDTH); + cairo_rel_line_to (cr, 0, - LINE_WIDTH / 2.0); + cairo_rel_line_to (cr, LINE_WIDTH / 2.0, 0); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rectilinear_miter_limit, + "Test that the rectilinear stroke optimization doesn't break cairo_set_miter_limit", + "miter, stroke, stress", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/rectilinear-stroke.c b/test/rectilinear-stroke.c new file mode 100644 index 000000000..e05ff8c2e --- /dev/null +++ b/test/rectilinear-stroke.c @@ -0,0 +1,139 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 25 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Paint background white, then draw in black. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + cairo_set_line_width (cr, 1.0); + cairo_translate (cr, 1, 1); + + /* Draw everything first with square caps. */ + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + + /* Draw horizontal and vertical segments, each in both + * directions. */ + cairo_move_to (cr, 4.5, 0.5); + cairo_rel_line_to (cr, 2.0, 0.0); + + cairo_move_to (cr, 10.5, 4.5); + cairo_rel_line_to (cr, 0.0, 2.0); + + cairo_move_to (cr, 6.5, 10.5); + cairo_rel_line_to (cr, -2.0, 0.0); + + cairo_move_to (cr, 0.5, 6.5); + cairo_rel_line_to (cr, 0.0, -2.0); + + /* Draw right angle turns in four directions. */ + cairo_move_to (cr, 0.5, 2.5); + cairo_rel_line_to (cr, 0.0, -2.0); + cairo_rel_line_to (cr, 2.0, 0.0); + + cairo_move_to (cr, 8.5, 0.5); + cairo_rel_line_to (cr, 2.0, 0.0); + cairo_rel_line_to (cr, 0.0, 2.0); + + cairo_move_to (cr, 10.5, 8.5); + cairo_rel_line_to (cr, 0.0, 2.0); + cairo_rel_line_to (cr, -2.0, 0.0); + + cairo_move_to (cr, 2.5, 10.5); + cairo_rel_line_to (cr, -2.0, 0.0); + cairo_rel_line_to (cr, 0.0, -2.0); + + /* Draw a closed-path rectangle */ + cairo_rectangle (cr, 0.5, 12.5, 10.0, 10.0); + + cairo_stroke (cr); + + cairo_translate (cr, 12, 0); + + /* Now draw the same results, but with butt caps. */ + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + + /* Draw horizontal and vertical segments, each in both + * directions. */ + cairo_move_to (cr, 4.0, 0.5); + cairo_rel_line_to (cr, 3.0, 0.0); + + cairo_move_to (cr, 10.5, 4.0); + cairo_rel_line_to (cr, 0.0, 3.0); + + cairo_move_to (cr, 7.0, 10.5); + cairo_rel_line_to (cr, -3.0, 0.0); + + cairo_move_to (cr, 0.5, 7.0); + cairo_rel_line_to (cr, 0.0, -3.0); + + /* Draw right angle turns in four directions. */ + cairo_move_to (cr, 0.5, 3.0); + cairo_rel_line_to (cr, 0.0, -2.5); + cairo_rel_line_to (cr, 2.5, 0.0); + + cairo_move_to (cr, 8.0, 0.5); + cairo_rel_line_to (cr, 2.5, 0.0); + cairo_rel_line_to (cr, 0.0, 2.5); + + cairo_move_to (cr, 10.5, 8.0); + cairo_rel_line_to (cr, 0.0, 2.5); + cairo_rel_line_to (cr, -2.5, 0.0); + + cairo_move_to (cr, 3.0, 10.5); + cairo_rel_line_to (cr, -2.5, 0.0); + cairo_rel_line_to (cr, 0.0, -2.5); + + /* Draw a closed-path rectangle */ + cairo_rectangle (cr, 0.5, 12.5, 10.0, 10.0); + + /* Draw a path that is rectilinear initially, but not completely */ + /* We draw this out of the target window. 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The author makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE AUTHOR. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static void +draw_symbol (cairo_t *cr) +{ + double dash[] = {6, 3}; + + cairo_rectangle (cr, -25, -25, 50, 50); + cairo_stroke (cr); + + cairo_move_to (cr, 0, -25); + cairo_curve_to (cr, 12.5, -12.5, 12.5, -12.5, 0, 0); + cairo_curve_to (cr, -12.5, 12.5, -12.5, 12.5, 0, 25); + cairo_curve_to (cr, 12.5, 12.5, 12.5, 12.5, 0, 0); + cairo_stroke (cr); + + cairo_save (cr); + cairo_set_dash (cr, dash, ARRAY_LENGTH (dash), 0.); + cairo_move_to (cr, 0, 0); + cairo_arc (cr, 0, 0, 12.5, 0, 3 * M_PI / 2); + cairo_close_path (cr); + cairo_stroke (cr); + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_save (cr); + cairo_translate (cr, 50, 50); + cairo_scale (cr, 1, 1); + draw_symbol (cr); + cairo_restore (cr); + + cairo_save (cr); + cairo_translate (cr, 150, 50); + cairo_scale (cr, -1, 1); + draw_symbol (cr); + cairo_restore (cr); + + cairo_save (cr); + cairo_translate (cr, 150, 150); + cairo_scale (cr, -1, -1); + draw_symbol (cr); + cairo_restore (cr); + + cairo_save (cr); + cairo_translate (cr, 50, 150); + cairo_scale (cr, 1, -1); + draw_symbol (cr); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (reflected_stroke, + "Exercises the stroker with a reflected ctm", + "stroke, transform", /* keywords */ + NULL, /* requirements */ + 200, 200, + NULL, draw) diff --git a/test/rel-path.c b/test/rel-path.c new file mode 100644 index 000000000..d1ef25920 --- /dev/null +++ b/test/rel-path.c @@ -0,0 +1,129 @@ +/* + * Copyright © 2005 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#include "cairo-test.h" + +#define SIZE 10 + +static cairo_status_t +invalid_rel_move_to (cairo_surface_t *target) +{ + cairo_t *cr; + cairo_status_t status; + + cr = cairo_create (target); + cairo_rel_move_to (cr, SIZE, SIZE/2); + status = cairo_status (cr); + cairo_destroy (cr); + + return status; +} + +static cairo_status_t +invalid_rel_line_to (cairo_surface_t *target) +{ + cairo_t *cr; + cairo_status_t status; + + cr = cairo_create (target); + cairo_rel_line_to (cr, -SIZE, SIZE/2); + status = cairo_status (cr); + cairo_destroy (cr); + + return status; +} + +static cairo_status_t +invalid_rel_curve_to (cairo_surface_t *target) +{ + cairo_t *cr; + cairo_status_t status; + + cr = cairo_create (target); + cairo_rel_curve_to (cr, + SIZE/2, -SIZE/2, + SIZE*2/3, -SIZE/3, + SIZE/2, -SIZE); + status = cairo_status (cr); + cairo_destroy (cr); + + return status; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_status_t status; + cairo_test_status_t result; + + /* first test that a relative move without a current point fails... */ + status = invalid_rel_move_to (cairo_get_target (cr)); + if (status != CAIRO_STATUS_NO_CURRENT_POINT) { + result = cairo_test_status_from_status (ctx, status); + if (result == CAIRO_TEST_NO_MEMORY) + return result; + + cairo_test_log (ctx, "Error: invalid cairo_rel_move_to() did not raise NO_CURRENT_POINT\n"); + return result; + } + + status = invalid_rel_line_to (cairo_get_target (cr)); + if (status != CAIRO_STATUS_NO_CURRENT_POINT) { + result = cairo_test_status_from_status (ctx, status); + if (result == CAIRO_TEST_NO_MEMORY) + return result; + + cairo_test_log (ctx, "Error: invalid cairo_rel_line_to() did not raise NO_CURRENT_POINT\n"); + return result; + } + + status = invalid_rel_curve_to (cairo_get_target (cr)); + if (status != CAIRO_STATUS_NO_CURRENT_POINT) { + result = cairo_test_status_from_status (ctx, status); + if (result == CAIRO_TEST_NO_MEMORY) + return result; + + cairo_test_log (ctx, "Error: invalid cairo_rel_curve_to() did not raise NO_CURRENT_POINT\n"); + return result; + } + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_move_to (cr, 0, 0); + cairo_rel_move_to (cr, SIZE, SIZE/2); + cairo_rel_line_to (cr, -SIZE, SIZE/2); + cairo_rel_curve_to (cr, + SIZE/2, -SIZE/2, + SIZE*2/3, -SIZE/3, + SIZE/2, -SIZE); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rel_path, + "Tests calls to various relative path functions", + "path", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/rgb24-ignore-alpha.c b/test/rgb24-ignore-alpha.c new file mode 100644 index 000000000..1c9d57e9e --- /dev/null +++ b/test/rgb24-ignore-alpha.c @@ -0,0 +1,60 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define WIDTH 2 +#define HEIGHT 2 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + /* Four green pixels with different "alpha" values, (but which + * should be entirely ignored). */ + uint32_t colors[4] = { + 0xff00ff00, 0x8800ff00, + 0x4400ff00, 0x0000ff00 + }; + + surface = cairo_image_surface_create_for_data ((unsigned char *) colors, + CAIRO_FORMAT_RGB24, 2, 2, 8); + + cairo_set_source_surface (cr, surface, 0, 0); + cairo_paint (cr); + + cairo_surface_finish (surface); /* colors will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rgb24_ignore_alpha, + "Test that when using an RGB24 image as a source, there is no alpha channel", + "image, alpha", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/romedalen.jpg b/test/romedalen.jpg Binary files differnew file mode 100644 index 000000000..d655e3d89 --- /dev/null +++ b/test/romedalen.jpg diff --git a/test/romedalen.png b/test/romedalen.png Binary files differnew file mode 100644 index 000000000..0c41eb0cf --- /dev/null +++ b/test/romedalen.png diff --git a/test/rotate-image-surface-paint.c b/test/rotate-image-surface-paint.c new file mode 100644 index 000000000..42fda6ec2 --- /dev/null +++ b/test/rotate-image-surface-paint.c @@ -0,0 +1,172 @@ +/* + * Copyright © 2005, 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 20 +#define PAD 2 + +static cairo_pattern_t * +create_image_source (int size) +{ + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_t *cr; + + /* Create an image surface with my favorite four colors in each + * quadrant. */ + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, size, size); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_rectangle (cr, 0, 0, size / 2, size / 2); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_rectangle (cr, size / 2, 0, size - size / 2, size / 2); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, 0, size / 2, size / 2, size - size / 2); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_rectangle (cr, size / 2, size / 2, size - size / 2, size - size / 2); + cairo_fill (cr); + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy (cr); + + return pattern; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *source; + int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2); + + /* Use a gray (neutral) background, so we can spot if the backend pads + * with any other colour. + */ + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + cairo_translate(cr, SIZE/2, SIZE/2); + cairo_rotate (cr, M_PI / 4.0); + cairo_translate (cr, -surface_size/2, -surface_size/2); + + source = create_image_source (surface_size); + cairo_pattern_set_filter (source, CAIRO_FILTER_NEAREST); + cairo_set_source(cr, source); + cairo_pattern_destroy (source); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +clip_draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *source; + int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2); + + /* Use a gray (neutral) background, so we can spot if the backend pads + * with any other colour. + */ + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + cairo_rectangle (cr, 2*PAD, 2*PAD, SIZE-4*PAD, SIZE-4*PAD); + cairo_clip (cr); + + cairo_translate(cr, SIZE/2, SIZE/2); + cairo_rotate (cr, M_PI / 4.0); + cairo_translate (cr, -surface_size/2, -surface_size/2); + + source = create_image_source (surface_size); + cairo_pattern_set_filter (source, CAIRO_FILTER_NEAREST); + cairo_set_source(cr, source); + cairo_pattern_destroy (source); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_clip (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *source; + int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2); + + /* Use a gray (neutral) background, so we can spot if the backend pads + * with any other colour. + */ + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + cairo_translate(cr, SIZE/2, SIZE/2); + cairo_rotate (cr, M_PI / 4.0); + cairo_translate (cr, -surface_size/2, -surface_size/2); + + cairo_rectangle (cr, PAD, PAD, surface_size-2*PAD, surface_size-2*PAD); + cairo_clip (cr); + + source = create_image_source (surface_size); + cairo_pattern_set_filter (source, CAIRO_FILTER_NEAREST); + cairo_set_source(cr, source); + cairo_pattern_destroy (source); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rotate_image_surface_paint, + "Test call sequence: image_surface_create; rotate; set_source_surface; paint" + "\nThis test is known to fail on the ps backend currently", + "image, transform, paint", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) + +CAIRO_TEST (clip_rotate_image_surface_paint, + "Test call sequence: image_surface_create; rotate; set_source_surface; paint" + "\nThis test is known to fail on the ps backend currently", + "image, transform, paint", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, clip_draw) +CAIRO_TEST (rotate_clip_image_surface_paint, + "Test call sequence: image_surface_create; rotate; set_source_surface; paint" + "\nThis test is known to fail on the ps backend currently", + "image, transform, paint", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_clip) diff --git a/test/rotate-stroke-box.c b/test/rotate-stroke-box.c new file mode 100644 index 000000000..862abc933 --- /dev/null +++ b/test/rotate-stroke-box.c @@ -0,0 +1,49 @@ +/* + * Copyright © 2013 Adrian Johnson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" +#include <math.h> + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_save (cr); + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_restore (cr); + + cairo_rectangle (cr, 5, 5, 20, 20); + cairo_rotate (cr, M_PI/4); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rotate_stroke_box, + "Ensure rectangle path optimization works when the stroking transform is non rectilinear", + "path", /* keywords */ + NULL, /* requirements */ + 30, 30, + NULL, draw) diff --git a/test/rotated-clip.c b/test/rotated-clip.c new file mode 100644 index 000000000..4ca4566d5 --- /dev/null +++ b/test/rotated-clip.c @@ -0,0 +1,110 @@ +/* + * Copyright © 2007 Adrian Johnson + * Copyright © 2009 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + * Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define PAT_WIDTH 120 +#define PAT_HEIGHT 120 +#define SIZE (PAT_WIDTH*2) +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_matrix_t m; + + /* make the output opaque */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + cairo_translate (cr, PAD, PAD); + + cairo_matrix_init_scale (&m, 2, 1.5); + cairo_matrix_rotate (&m, 1); + cairo_matrix_translate (&m, -PAT_WIDTH/4.0, -PAT_WIDTH/2.0); + cairo_matrix_invert (&m); + cairo_set_matrix (cr, &m); + + cairo_rectangle (cr, 0, 0, PAT_WIDTH, PAT_HEIGHT); + cairo_clip (cr); + + cairo_set_source_rgba (cr, 1, 0, 1, 0.5); + cairo_rectangle (cr, PAT_WIDTH/6.0, PAT_HEIGHT/6.0, PAT_WIDTH/4.0, PAT_HEIGHT/4.0); + cairo_fill (cr); + + cairo_set_source_rgba (cr, 0, 1, 1, 0.5); + cairo_rectangle (cr, PAT_WIDTH/2.0, PAT_HEIGHT/2.0, PAT_WIDTH/4.0, PAT_HEIGHT/4.0); + cairo_fill (cr); + + cairo_set_line_width (cr, 1); + cairo_move_to (cr, PAT_WIDTH/6.0, 0); + cairo_line_to (cr, 0, 0); + cairo_line_to (cr, 0, PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + + cairo_move_to (cr, PAT_WIDTH/6.0, PAT_HEIGHT); + cairo_line_to (cr, 0, PAT_HEIGHT); + cairo_line_to (cr, 0, 5*PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_stroke (cr); + + cairo_move_to (cr, 5*PAT_WIDTH/6.0, 0); + cairo_line_to (cr, PAT_WIDTH, 0); + cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_stroke (cr); + + cairo_move_to (cr, 5*PAT_WIDTH/6.0, PAT_HEIGHT); + cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT); + cairo_line_to (cr, PAT_WIDTH, 5*PAT_HEIGHT/6.0); + cairo_set_source_rgb (cr, 1, 1, 0); + cairo_stroke (cr); + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_set_line_width (cr, PAT_WIDTH/10.0); + + cairo_move_to (cr, 0, PAT_HEIGHT/4.0); + cairo_line_to (cr, PAT_WIDTH, PAT_HEIGHT/4.0); + cairo_stroke (cr); + + cairo_move_to (cr, PAT_WIDTH/4.0, 0); + cairo_line_to (cr, PAT_WIDTH/4.0, PAT_WIDTH); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rotated_clip, + "Test clipping with non identity pattern matrix", + "clip", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/rounded-rectangle-fill.c b/test/rounded-rectangle-fill.c new file mode 100644 index 000000000..d211cf626 --- /dev/null +++ b/test/rounded-rectangle-fill.c @@ -0,0 +1,65 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 80 + +/* A very simple test to exercise the scan rasterisers with constant regions. */ + +static void +rounded_rectangle (cairo_t *cr, int x, int y, int w, int h, int r) +{ + cairo_new_sub_path (cr); + cairo_arc (cr, x + r, y + r, r, M_PI, 3 * M_PI / 2); + cairo_arc (cr, x + w - r, y + r, r, 3 *M_PI / 2, 2 * M_PI); + cairo_arc (cr, x + w - r, y + h - r, r, 0, M_PI / 2); + cairo_arc (cr, x + r, y + h - r, r, M_PI / 2, M_PI); + cairo_close_path (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Paint background white, then draw in black. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + rounded_rectangle (cr, 5, 5, width-10, height-10, 15); + rounded_rectangle (cr, 15, 15, width-30, height-30, 5); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rounded_rectangle_fill, + "Tests handling of rounded rectangles, the UI designers favourite", + "fill, rounded-rectangle", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/rounded-rectangle-stroke.c b/test/rounded-rectangle-stroke.c new file mode 100644 index 000000000..22bc51557 --- /dev/null +++ b/test/rounded-rectangle-stroke.c @@ -0,0 +1,64 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define SIZE 80 + +/* A very simple test to exercise the scan rasterisers with constant regions. */ + +static void +rounded_rectangle (cairo_t *cr, int x, int y, int w, int h, int r) +{ + cairo_new_sub_path (cr); + cairo_arc (cr, x + r, y + r, r, M_PI, 3 * M_PI / 2); + cairo_arc (cr, x + w - r, y + r, r, 3 *M_PI / 2, 2 * M_PI); + cairo_arc (cr, x + w - r, y + h - r, r, 0, M_PI / 2); + cairo_arc (cr, x + r, y + h - r, r, M_PI / 2, M_PI); + cairo_close_path (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Paint background white, then draw in black. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + + cairo_set_line_width (cr, 10); + rounded_rectangle (cr, 10, 10, width-20, height-20, 10); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (rounded_rectangle_stroke, + "Tests handling of rounded rectangles, the UI designers favourite", + "stroke, rounded-rectangle", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/run-cairo-test-suite.sh b/test/run-cairo-test-suite.sh new file mode 100755 index 000000000..567d2b14b --- /dev/null +++ b/test/run-cairo-test-suite.sh @@ -0,0 +1,18 @@ +#!/bin/bash + +set -m + +if `which gnome-screensaver-command`; then + gnome-screensaver-command -i -n "cairo-test-suite" -r "Cairo needs to read back from the screen in order to test rendering to xlib" & + pid=$! + + restore_screensaver() { kill $pid; } +else + restore_screensaver() { :; } +fi + +trap cleanup SIGINT SIGTERM + +./cairo-test-suite "$*" + +restore_screensaver diff --git a/test/sample.c b/test/sample.c new file mode 100644 index 000000000..caf68777e --- /dev/null +++ b/test/sample.c @@ -0,0 +1,117 @@ +/* + * Copyright 2012 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* Test the fidelity of the rasterisation, because Cairo is my favourite + * driver test suite. + */ + +#define GENERATE_REFERENCE 0 + +#define WIDTH 256 +#define HEIGHT 40 + +#include "../src/cairo-fixed-type-private.h" +#define PRECISION (1 << CAIRO_FIXED_FRAC_BITS) + +static cairo_test_status_t +vertical (cairo_t *cr, int width, int height) +{ + int x; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_source_rgba (cr, 1, 1, 1, 1); + for (x = -HEIGHT*PRECISION-2; x <= (WIDTH+HEIGHT)*PRECISION+2; x += 4) { + cairo_move_to (cr, x / (double)PRECISION - 2, -2); + cairo_rel_line_to (cr, 0, HEIGHT + 4); + } + cairo_set_line_width (cr, 2 / (double)PRECISION); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +horizontal (cairo_t *cr, int width, int height) +{ + int x; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_source_rgba (cr, 1, 1, 1, 1); + for (x = -HEIGHT*PRECISION-2; x <= (WIDTH+HEIGHT)*PRECISION+2; x += 4) { + cairo_move_to (cr, -2, x / (double)PRECISION - 2); + cairo_rel_line_to (cr, HEIGHT + 4, 0); + } + cairo_set_line_width (cr, 2 / (double)PRECISION); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +diagonal (cairo_t *cr, int width, int height) +{ + int x; + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_source_rgba (cr, 1, 1, 1, 1); + for (x = -HEIGHT*PRECISION-2; x <= (WIDTH+HEIGHT)*PRECISION+2; x += 6) { + cairo_move_to (cr, x / (double)PRECISION - 2, -2); + cairo_rel_line_to (cr, HEIGHT + 4, HEIGHT + 4); + } + cairo_set_line_width (cr, 2 / (double)PRECISION); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (sample_vertical, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster slow", /* requirements */ + WIDTH, HEIGHT, + NULL, vertical) + +CAIRO_TEST (sample_horizontal, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster slow", /* requirements */ + WIDTH, HEIGHT, + NULL, horizontal) + +CAIRO_TEST (sample_diagonal, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster slow", /* requirements */ + WIDTH, HEIGHT, + NULL, diagonal) diff --git a/test/scale-down-source-surface-paint.c b/test/scale-down-source-surface-paint.c new file mode 100644 index 000000000..8cf0e06f2 --- /dev/null +++ b/test/scale-down-source-surface-paint.c @@ -0,0 +1,65 @@ +/* + * Copyright © 2005,2007 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff + }; + + /* First paint opaque background (black) so we don't need separate + * ARGB32 and RGB24 reference images. */ + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + cairo_paint (cr); + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_scale (cr, 0.5, 0.5); + + cairo_set_source_surface (cr, surface, 4, 4); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint (cr); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (scale_down_source_surface_paint, + "Test call sequence: cairo_scale; cairo_set_source_surface; cairo_paint, with a scale < 1.0", + "paint, transform", /* keywords */ + NULL, /* requirements */ + 6, 6, + NULL, draw) diff --git a/test/scale-offset-image.c b/test/scale-offset-image.c new file mode 100644 index 000000000..7243a0669 --- /dev/null +++ b/test/scale-offset-image.c @@ -0,0 +1,143 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* + * Test case derived from the bug report by Michel Iwaniec: + * http://lists.cairographics.org/archives/cairo/2008-November/015660.html + */ + +#include "cairo-test.h" + +static cairo_surface_t * +create_source (cairo_surface_t *target, int width, int height) +{ + cairo_surface_t *similar; + cairo_t *cr; + + similar = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + width, height); + cr = cairo_create (similar); + cairo_surface_destroy (similar); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_rectangle (cr, + width - 4, height - 4, + 2, 2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_rectangle (cr, + width - 2, height - 4, + 2, 2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, + width - 4, height - 2, + 2, 2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_rectangle (cr, + width - 2, height - 2, + 2, 2); + cairo_fill (cr); + + similar = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return similar; +} + +static void +draw_grid (cairo_t *cr, cairo_pattern_t *pattern, int dst_x, int dst_y) +{ + cairo_matrix_t m; + + cairo_save (cr); + cairo_translate (cr, dst_x, dst_y); + cairo_scale (cr, 16, 16); + cairo_rotate (cr, 1); + + cairo_matrix_init_translate (&m, 2560-4, 1280-4); + cairo_pattern_set_matrix (pattern, &m); + cairo_set_source (cr, pattern); + cairo_rectangle (cr, 0, 0, 4, 4); + cairo_fill (cr); + + cairo_set_source_rgb (cr, .7, .7, .7); + cairo_set_line_width (cr, 1./16); + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 4, 0); + cairo_move_to (cr, 0, 2); + cairo_line_to (cr, 4, 2); + cairo_move_to (cr, 0, 4); + cairo_line_to (cr, 4, 4); + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 0, 4); + cairo_move_to (cr, 2, 0); + cairo_line_to (cr, 2, 4); + cairo_move_to (cr, 4, 0); + cairo_line_to (cr, 4, 4); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *source; + cairo_pattern_t *pattern; + + cairo_paint (cr); + + source = create_source (cairo_get_target (cr), 2560, 1280); + pattern = cairo_pattern_create_for_surface (source); + cairo_surface_destroy (source); + + cairo_pattern_set_filter (pattern, CAIRO_FILTER_NEAREST); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_NONE); + + draw_grid (cr, pattern, 50, 0); + draw_grid (cr, pattern, 130, 0); + draw_grid (cr, pattern, 210, 0); + draw_grid (cr, pattern, 290, 0); + + draw_grid (cr, pattern, 50, 230); + draw_grid (cr, pattern, 130, 230); + draw_grid (cr, pattern, 210, 230); + draw_grid (cr, pattern, 290, 230); + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +/* XFAIL: loss of precision converting a cairo matrix to */ +CAIRO_TEST (scale_offset_image, + "Tests drawing surfaces under various scales and transforms", + "surface, scale-offset", /* keywords */ + NULL, /* requirements */ + 320, 320, + NULL, draw) + diff --git a/test/scale-offset-similar.c b/test/scale-offset-similar.c new file mode 100644 index 000000000..e9e6a2bbe --- /dev/null +++ b/test/scale-offset-similar.c @@ -0,0 +1,143 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* + * Test case derived from the bug report by Michel Iwaniec: + * http://lists.cairographics.org/archives/cairo/2008-November/015660.html + */ + +#include "cairo-test.h" + +static cairo_surface_t * +create_source (cairo_surface_t *target, int width, int height) +{ + cairo_surface_t *similar; + cairo_t *cr; + + similar = cairo_surface_create_similar (target, + CAIRO_CONTENT_COLOR, + width, height); + cr = cairo_create (similar); + cairo_surface_destroy (similar); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_rectangle (cr, + width - 4, height - 4, + 2, 2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_rectangle (cr, + width - 2, height - 4, + 2, 2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, + width - 4, height - 2, + 2, 2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_rectangle (cr, + width - 2, height - 2, + 2, 2); + cairo_fill (cr); + + similar = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return similar; +} + +static void +draw_grid (cairo_t *cr, cairo_pattern_t *pattern, int dst_x, int dst_y) +{ + cairo_matrix_t m; + + cairo_save (cr); + cairo_translate (cr, dst_x, dst_y); + cairo_scale (cr, 16, 16); + cairo_rotate (cr, 1); + + cairo_matrix_init_translate (&m, 2560-4, 1280-4); + cairo_pattern_set_matrix (pattern, &m); + cairo_set_source (cr, pattern); + cairo_rectangle (cr, 0, 0, 4, 4); + cairo_fill (cr); + + cairo_set_source_rgb (cr, .7, .7, .7); + cairo_set_line_width (cr, 1./16); + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 4, 0); + cairo_move_to (cr, 0, 2); + cairo_line_to (cr, 4, 2); + cairo_move_to (cr, 0, 4); + cairo_line_to (cr, 4, 4); + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 0, 4); + cairo_move_to (cr, 2, 0); + cairo_line_to (cr, 2, 4); + cairo_move_to (cr, 4, 0); + cairo_line_to (cr, 4, 4); + cairo_stroke (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *source; + cairo_pattern_t *pattern; + + cairo_paint (cr); + + source = create_source (cairo_get_target (cr), 2560, 1280); + pattern = cairo_pattern_create_for_surface (source); + cairo_surface_destroy (source); + + cairo_pattern_set_filter (pattern, CAIRO_FILTER_NEAREST); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_NONE); + + draw_grid (cr, pattern, 50, 0); + draw_grid (cr, pattern, 130, 0); + draw_grid (cr, pattern, 210, 0); + draw_grid (cr, pattern, 290, 0); + + draw_grid (cr, pattern, 50, 230); + draw_grid (cr, pattern, 130, 230); + draw_grid (cr, pattern, 210, 230); + draw_grid (cr, pattern, 290, 230); + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (scale_offset_similar, + "Tests drawing surfaces under various scales and transforms", + "surface, scale-offset", /* keywords */ + NULL, /* requirements */ + 320, 320, + NULL, draw) + diff --git a/test/scale-source-surface-paint.c b/test/scale-source-surface-paint.c new file mode 100644 index 000000000..0c0a3acd8 --- /dev/null +++ b/test/scale-source-surface-paint.c @@ -0,0 +1,60 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff + }; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_scale (cr, 2, 2); + + cairo_set_source_surface (cr, surface, 1 , 1); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_paint (cr); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (scale_source_surface_paint, + "Test call sequence: cairo_scale; cairo_set_source_surface; cairo_paint", + "paint, transform", /* keywords */ + NULL, /* requirements */ + 12, 12, + NULL, draw) diff --git a/test/scaled-font-zero-matrix.c b/test/scaled-font-zero-matrix.c new file mode 100644 index 000000000..d4f79a669 --- /dev/null +++ b/test/scaled-font-zero-matrix.c @@ -0,0 +1,63 @@ +/* + * Copyright © 2008 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Jeff Muizelaar + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_face_t *font_face; + cairo_font_options_t *font_options; + cairo_scaled_font_t *scaled_font; + cairo_matrix_t identity; + cairo_matrix_t zero; + + cairo_matrix_init_identity(&identity); + + zero = identity; + cairo_matrix_scale(&zero, 0, 0); + + font_face = cairo_get_font_face (cr); + font_options = cairo_font_options_create (); + cairo_get_font_options (cr, font_options); + scaled_font = cairo_scaled_font_create (font_face, + &identity, + &zero, + font_options); + cairo_set_scaled_font (cr, scaled_font); + cairo_show_text (cr, "Hello"); + cairo_scaled_font_destroy (scaled_font); + cairo_font_options_destroy (font_options); + + return cairo_test_status_from_status (cairo_test_get_context (cr), + cairo_status(cr)); +} + +CAIRO_TEST (scaled_font_zero_matrix, + "Test that scaled fonts with a degenerate matrix work", + "zero, matrix, degenerate, scaled-font", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/scarab.jpg b/test/scarab.jpg Binary files differnew file mode 100644 index 000000000..6a66ff789 --- /dev/null +++ b/test/scarab.jpg diff --git a/test/select-font-face.c b/test/select-font-face.c new file mode 100644 index 000000000..ec4b27cf3 --- /dev/null +++ b/test/select-font-face.c @@ -0,0 +1,65 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define TEXT_SIZE 12 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_set_font_size (cr, TEXT_SIZE); + cairo_move_to (cr, 0, TEXT_SIZE); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Serif", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, "i-am-serif"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-sans"); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans Mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_show_text (cr, " i-am-mono"); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (select_font_face, + "Tests using cairo_select_font_face to draw text in different faces", + "font", /* keywords */ + NULL, /* requirements */ + 192, TEXT_SIZE + 4, + NULL, draw) diff --git a/test/select-font-no-show-text.c b/test/select-font-no-show-text.c new file mode 100644 index 000000000..b2b47966f --- /dev/null +++ b/test/select-font-no-show-text.c @@ -0,0 +1,59 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl Worth <cworth@redhat.com> + */ + +/* Bug history + * + * 2005-04-12 Carl Worth <cworth@cworth.org> + * + * I noticed that if we call cairo_select_font_face, but then do a + * cairo_destroy before ever drawing any text, then we get: + * + * *** glibc detected *** double free or corruption (fasttop): 0x083274d0 *** + * Aborted + * + * 2005-04-14 Owen Taylor <otaylor@redhat.com> + * + * Fixed... just a stray free(). + */ + +#include "cairo-test.h" +#include <math.h> + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_BOLD); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (select_font_no_show_text, + "Test calling cairo_select_font_face but never drawing text.", + "font", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/self-copy-overlap.c b/test/self-copy-overlap.c new file mode 100644 index 000000000..6e3b39c91 --- /dev/null +++ b/test/self-copy-overlap.c @@ -0,0 +1,54 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* Question: are patterns mutable? The answer depends on who you ask... */ + +#include "cairo-test.h" + +/* This test is only interesting if the target has alpha */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgba (cr, 0, 0, 0, .01); + cairo_paint (cr); + + cairo_set_source_surface (cr, cairo_get_target (cr), 1, 1); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +/* + * XFAIL: vector surfaces take snapshot of patterns in contrast to the raster + * backends which don't. One solution would be to clone overlapping areas of + * dst/source, so patterns were effectively snapshotted across all backends. + */ +CAIRO_TEST (self_copy_overlap, + "Tests painting to itself using itself as the source" + "\nBackends treat this case inconsistently---vector backends are creating snapshots.", + "self-copy", /* keywords */ + NULL, /* requirements */ + 200, 200, + NULL, draw) diff --git a/test/self-copy.c b/test/self-copy.c new file mode 100644 index 000000000..bef02e98b --- /dev/null +++ b/test/self-copy.c @@ -0,0 +1,84 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Owen Taylor <otaylor@redhat.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 40 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + cairo_matrix_t matrix; + + /* Paint a diagonal division as a test image */ + cairo_set_source_rgb (cr, 1, 1, 1); /* White */ + cairo_paint (cr); + + cairo_move_to (cr, SIZE, 0); + cairo_line_to (cr, SIZE, SIZE); + cairo_line_to (cr, 0, SIZE); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_fill (cr); + + /* Create a pattern with the target surface as the source, + * offset by SIZE/2 + */ + pattern = cairo_pattern_create_for_surface (cairo_get_group_target (cr)); + + cairo_matrix_init_translate (&matrix, - SIZE / 2, - SIZE / 2); + cairo_pattern_set_matrix (pattern, &matrix); + + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + /* Copy two rectangles from the upper-left quarter of the image to + * the lower right. It will work if we use cairo_fill(), but the + * cairo_clip() cairo_paint() combination fails because the clip + * on the surface as a destination affects it as the source as + * well. + */ + cairo_rectangle (cr, + 2 * SIZE / 4, 2 * SIZE / 4, + SIZE / 4, SIZE / 4); + cairo_rectangle (cr, + 3 * SIZE / 4, 3 * SIZE / 4, + SIZE / 4, SIZE / 4); + cairo_clip (cr); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; + +} + +CAIRO_TEST (self_copy, + "Test copying from a surface to itself with a clip", + "paint", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/self-intersecting.c b/test/self-intersecting.c new file mode 100644 index 000000000..8053235ac --- /dev/null +++ b/test/self-intersecting.c @@ -0,0 +1,87 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Bug history + * + * 2005-06-01 Carl Worth <cworth@cworth.org> + * + * There's a long-standing bug in that self-intersecting paths give + * an incorrect result when stroked. The problem is that the + * trapezoids are generated incrementally along the stroke and as + * such, are not disjoint. The errant intersections of these + * trapezoids then leads to overfilled pixels. + * + * The test belows first creates and fills a path. Then it creates a + * second path which has a stroked boundary identical to the first + * filled path. But the results of the two operations are + * different. The most obvious difference is in the central region + * where the entire path intersects itself. But notice that every + * time the path turns there are also errors on the inside of the + * turn, (since the subsequent trapezoids along the path intersect). + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 1.0, 1.0); + + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + + /* First draw the desired shape with a fill */ + cairo_rectangle (cr, 0.5, 0.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 3.5, 4.0, 4.0); + cairo_rectangle (cr, 3.5, 1.5, -2.0, 2.0); + cairo_rectangle (cr, 6.5, 4.5, -2.0, 2.0); + + cairo_fill (cr); + + /* Then try the same thing with a stroke */ + cairo_translate (cr, 0, 10); + cairo_move_to (cr, 1.0, 1.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, 6.0); + cairo_rel_line_to (cr, 3.0, 0.0); + cairo_rel_line_to (cr, 0.0, -3.0); + cairo_rel_line_to (cr, -6.0, 0.0); + cairo_close_path (cr); + + cairo_set_line_width (cr, 1.0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (self_intersecting, + "Test strokes of self-intersecting paths" + "\nSelf-intersecting strokes are wrong due to incremental trapezoidization.", + "stroke, trap", /* keywords */ + NULL, /* requirements */ + 10, 20, + NULL, draw) diff --git a/test/set-source.c b/test/set-source.c new file mode 100644 index 000000000..7e54626a8 --- /dev/null +++ b/test/set-source.c @@ -0,0 +1,81 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + uint32_t color = 0x8019334c; + cairo_surface_t *surface; + cairo_pattern_t *pattern; + + surface = cairo_image_surface_create_for_data ((unsigned char *) &color, + CAIRO_FORMAT_ARGB32, 1, 1, 4); + pattern = cairo_pattern_create_for_surface (surface); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + + /* Several different means of making mostly the same color (though + * we can't get anything but alpha==1.0 out of + * cairo_set_source_rgb. */ + for (i=0; i < width; i++) { + switch (i) { + case 0: + cairo_set_source_rgb (cr, .6, .7, .8); + break; + case 1: + cairo_set_source_rgba (cr, .2, .4, .6, 0.5); + break; + case 2: +#if WE_HAD_SUPPORT_FOR_PREMULTIPLIED + cairo_set_source_rgba_premultiplied (cr, .1, .2, .3, 0.5); +#else + cairo_set_source_rgba (cr, .2, .4, .6, 0.5); +#endif + break; + case 3: + default: + cairo_set_source (cr, pattern); + break; + } + + cairo_rectangle (cr, i, 0, 1, height); + cairo_fill (cr); + } + + cairo_pattern_destroy (pattern); + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (set_source, + "Tests calls to various set_source functions", + "api", /* keywords */ + NULL, /* requirements */ + 5, 5, + NULL, draw) diff --git a/test/shape-general-convex.c b/test/shape-general-convex.c new file mode 100644 index 000000000..b9241bb9f --- /dev/null +++ b/test/shape-general-convex.c @@ -0,0 +1,88 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* A general convex shape with a twist. */ + +#include "cairo-test.h" + +#define SIZE (100) +#define PAD 4 + +static void +limacon (cairo_t *cr, double a, double b, double radius) +{ + int i; + + cairo_save (cr); + cairo_translate (cr, PAD, 0); + for (i = 0; i < 360; i++) { + double theta = i * M_PI / 180; + double r = b + a * cos (theta); + double x = radius * r * cos (theta); + double y = radius * r * sin (theta); + cairo_line_to (cr, x, y); + } + cairo_close_path (cr); + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_save (cr); + cairo_translate (cr, 2*PAD, PAD); + + cairo_translate (cr, SIZE/2, SIZE/2); + limacon (cr, 1, .5, SIZE/3); /* trivia, this is a trisectrix */ + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill_preserve (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_stroke (cr); + + cairo_scale (cr, -1, 1); + + limacon (cr, 1, .5, SIZE/3); /* trivia, this is a trisectrix */ + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_fill_preserve (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (shape_general_convex, + "A general shape that is not as convex as it first appears", + "fill,stroke", /* keywords */ + NULL, /* requirements */ + SIZE+4*PAD, SIZE+4*PAD, + NULL, draw) diff --git a/test/shape-sierpinski.c b/test/shape-sierpinski.c new file mode 100644 index 000000000..9d2017067 --- /dev/null +++ b/test/shape-sierpinski.c @@ -0,0 +1,85 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* I thought I spied a bug... */ + +#include "cairo-test.h" + +#define WIDTH (1024) +#define HEIGHT (600) + +static const double m_1_sqrt_3 = 0.577359269; + +static void +T (cairo_t *cr, int size) +{ + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, size, 0); + cairo_line_to (cr, size/2, size*m_1_sqrt_3); + + size /= 2; + if (size >= 4) { + T (cr, size); + cairo_save (cr); { + cairo_translate (cr, size, 0); + T (cr, size); + } cairo_restore (cr); + cairo_save (cr); { + cairo_translate (cr, size/2, size*m_1_sqrt_3); + T (cr, size); + } cairo_restore (cr); + } +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_translate (cr, 0, 8); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_set_line_width (cr, 1.); + + T (cr, WIDTH); + + cairo_translate (cr, 0, 2*HEIGHT-16); + cairo_scale (cr, 1, -1); + + T (cr, WIDTH); + + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (shape_sierpinski, + "A fractal triangle", + "stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, 2*HEIGHT, + NULL, draw) diff --git a/test/show-glyphs-advance.c b/test/show-glyphs-advance.c new file mode 100644 index 000000000..5fe9ec839 --- /dev/null +++ b/test/show-glyphs-advance.c @@ -0,0 +1,107 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * Copyright © 2011 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +get_glyph (const cairo_test_context_t *ctx, + cairo_scaled_font_t *scaled_font, + const char *utf8, + cairo_glyph_t *glyph) +{ + cairo_glyph_t *text_to_glyphs; + cairo_status_t status; + int i; + + text_to_glyphs = glyph; + i = 1; + status = cairo_scaled_font_text_to_glyphs (scaled_font, + 0, 0, + utf8, -1, + &text_to_glyphs, &i, + NULL, NULL, + 0); + if (status != CAIRO_STATUS_SUCCESS) + return cairo_test_status_from_status (ctx, status); + + if (text_to_glyphs != glyph) { + *glyph = text_to_glyphs[0]; + cairo_glyph_free (text_to_glyphs); + } + + return CAIRO_TEST_SUCCESS; +} + +static const char *characters[] = { "A", "B", "C", "D" }; + +#define NUM_CHARS ARRAY_LENGTH (characters) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_scaled_font_t *scaled_font; + cairo_glyph_t *glyphs = xmalloc (NUM_CHARS * sizeof (cairo_glyph_t)); + int i; + cairo_status_t status; + + /* Paint white background. */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + scaled_font = cairo_get_scaled_font (cr); + + for (i = 0; i < NUM_CHARS; i++) { + status = get_glyph (ctx, scaled_font, characters[i], &glyphs[i]); + if (status) + goto BAIL; + + glyphs[i].x = 10.0 + 10.0 * (i % 2); + glyphs[i].y = 20.0 + 10.0 * (i / 2); + } + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_show_glyphs (cr, glyphs, 4); + + cairo_translate (cr, 40., 20.); + cairo_rotate (cr, M_PI / 4.); + + cairo_show_glyphs (cr, glyphs, NUM_CHARS); + + BAIL: + free(glyphs); + + return status; +} + +CAIRO_TEST (show_glyphs_advance, + "Test that glyph advances work as expected along both axes", + "text, matrix", /* keywords */ + NULL, /* requirements */ + 64, 64, + NULL, draw) diff --git a/test/show-glyphs-many.c b/test/show-glyphs-many.c new file mode 100644 index 000000000..f689fe080 --- /dev/null +++ b/test/show-glyphs-many.c @@ -0,0 +1,176 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <string.h> + +/* Bug history + * + * 2006-01-07 Jon Hellan <hellan@acm.org> + * + * Jon opened the following bug report: + * + * _XError from XRenderCompositeText8 + * https://bugs.freedesktop.org/show_bug.cgi?id=5528 + * + * 2006-03-02 Carl Worth <cworth@cworth.org> + * + * I wrote this test case to demonstrate the bug. + * + * Approach: + * + * Draw 65535 glyphs white-on-white all on top of each other. + * + * Rationale: + * + * The number 65535 comes from the original bug report. + * + * I would use cairo_show_text with a long string of 'x's say, + * but then the surface would need to be enormous to contain + * them. A smaller surface could be used, but I fear that at some + * point the off-surface glyph drawing would be optimized away + * and not exercise the bug. + * + * So, to keep the surface size under control, I use + * cairo_show_glyphs which allows me to place the glyphs all on + * top of each other. But, since cairo doesn't provide any + * character-to-glyphs mapping, I can't get a reliable glyph + * index (for character 'x' for example). So I just "guess" a + * glyph index and use white-on-white drawing to ignore the + * result. (I don't care what's drawn---I just want to ensure + * that things don't crash.) + * + * Status: I replicated bug. The largest value of NUM_GLYPHS for + * which I saw success is 21842. + * + * 2008-30-08 Chris Wilson <chris@chris-wilson.co.uk> + * This is also a valid test case for: + * + * Bug 5913 crash on overlong string + * https://bugs.freedesktop.org/show_bug.cgi?id=5913 + * + * which is still causing a crash in the Xlib backend - presumably, just + * a miscalculation of the length of the available request. + */ + +#define TEXT_SIZE 12 +#define NUM_GLYPHS 65535 + +static cairo_test_status_t +get_glyph (const cairo_test_context_t *ctx, + cairo_scaled_font_t *scaled_font, + const char *utf8, + cairo_glyph_t *glyph) +{ + cairo_glyph_t *text_to_glyphs; + cairo_status_t status; + int i; + + text_to_glyphs = glyph; + i = 1; + status = cairo_scaled_font_text_to_glyphs (scaled_font, + 0, 0, + utf8, -1, + &text_to_glyphs, &i, + NULL, NULL, + 0); + if (status != CAIRO_STATUS_SUCCESS) + return cairo_test_status_from_status (ctx, status); + + if (text_to_glyphs != glyph) { + *glyph = text_to_glyphs[0]; + cairo_glyph_free (text_to_glyphs); + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_glyph_t *glyphs = xmalloc (NUM_GLYPHS * sizeof (cairo_glyph_t)); + cairo_scaled_font_t *scaled_font; + const char *characters[] = { /* try to exercise different widths of index */ + "m", /* Latin letter m, index=0x50 */ + "μ", /* Greek letter mu, index=0x349 */ + NULL, + }, **utf8; + int i, j; + cairo_status_t status; + + /* Paint white background. */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_select_font_face (cr, "Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + scaled_font = cairo_get_scaled_font (cr); + + for (utf8 = characters; *utf8 != NULL; utf8++) { + status = get_glyph (ctx, scaled_font, *utf8, &glyphs[0]); + if (status) + goto BAIL; + + if (glyphs[0].index) { + glyphs[0].x = 1.0; + glyphs[0].y = height - 1; + for (i=1; i < NUM_GLYPHS; i++) + glyphs[i] = glyphs[0]; + + cairo_show_glyphs (cr, glyphs, NUM_GLYPHS); + } + } + + /* we can pack ~21k 1-byte glyphs into a single XRenderCompositeGlyphs8 */ + status = get_glyph (ctx, scaled_font, "m", &glyphs[0]); + if (status) + goto BAIL; + for (i=1; i < 21500; i++) + glyphs[i] = glyphs[0]; + /* so check expanding the current 1-byte request for 2-byte glyphs */ + status = get_glyph (ctx, scaled_font, "μ", &glyphs[i]); + if (status) + goto BAIL; + for (j=i+1; j < NUM_GLYPHS; j++) + glyphs[j] = glyphs[i]; + + cairo_show_glyphs (cr, glyphs, NUM_GLYPHS); + + BAIL: + free(glyphs); + + return status; +} + +CAIRO_TEST (show_glyphs_many, + "Test that cairo_show_glyphs works when handed 'many' glyphs", + "text, stress", /* keywords */ + NULL, /* requirements */ + 9, 11, + NULL, draw) diff --git a/test/show-text-current-point.c b/test/show-text-current-point.c new file mode 100644 index 000000000..2fe32a82d --- /dev/null +++ b/test/show-text-current-point.c @@ -0,0 +1,59 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define TEXT_SIZE 12 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + + cairo_move_to (cr, 0, TEXT_SIZE); + cairo_show_text (cr, "Hello from the "); + cairo_show_text (cr, "show-text-current-point"); + cairo_show_text (cr, " test."); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (show_text_current_point, + "Test that cairo_show_text adjusts the current point properly", + "text, api", /* keywords */ + NULL, /* requirements */ + 263, TEXT_SIZE + 4, + NULL, draw) diff --git a/test/simple.c b/test/simple.c new file mode 100644 index 000000000..7ec8a9ac5 --- /dev/null +++ b/test/simple.c @@ -0,0 +1,347 @@ +/* + * Copyright 2014 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +/* Test the fidelity of the rasterisation, because Cairo is my favourite + * driver test suite. + */ + +#define GENERATE_REFERENCE 0 + +#include "../src/cairo-fixed-type-private.h" + +#if GENERATE_REFERENCE +#include <assert.h> +struct coverage { + int width, height; + struct { + int uncovered_area; + int covered_height; + } cells[0]; +}; + +static int pfloor (int v) +{ + return v >> CAIRO_FIXED_FRAC_BITS; +} + +static int pfrac (int v) +{ + return v & ((1 << CAIRO_FIXED_FRAC_BITS) - 1); +} + +static void add_edge (struct coverage *coverage, + int x1, int y1, int x2, int y2, + int sign) +{ + int dx, dy; + int dxdy_quo, dxdy_rem; + int xq, xr; + int y, t; + + if (y2 < y1) { + t = y1; + y1 = y2; + y2 = t; + + t = x1; + x1 = x2; + x2 = t; + + sign = -sign; + } + + dx = x2 - x1; + dy = y2 - y1; + if (dy == 0) + return; + + dy *= 2; + + dxdy_quo = 2*dx / dy; + dxdy_rem = 2*dx % dy; + + xq = x1 + dxdy_quo / 2; + xr = dxdy_rem / 2; + if (xr < 0) { + xq--; + xr += dy; + } + + for (y = MAX(0, y1); y < MIN(y2, 256*coverage->height); y++) { + int x = xq + (xr >= dy/2); + + if (x < 256*coverage->width) { + int i = pfloor (y) * coverage->width; + if (x > 0) { + i += pfloor (x); + coverage->cells[i].uncovered_area += sign * pfrac(x); + } + coverage->cells[i].covered_height += sign; + } + + xq += dxdy_quo; + xr += dxdy_rem; + if (xr < 0) { + xq--; + xr += dy; + } else if (xr >= dy) { + xq++; + xr -= dy; + } + } +} + +static struct coverage * +coverage_create (int width, int height) +{ + int size; + struct coverage *c; + + size = sizeof (struct coverage); + size += width * height * sizeof (int) * 2; + + c = malloc (size); + if (c == NULL) + return c; + + memset(c, 0, size); + c->width = width; + c->height = height; + + return c; +} + +static cairo_surface_t * +coverage_to_alpha (struct coverage *c) +{ + cairo_surface_t *image; + uint8_t *data; + int x, y, stride; + + image = cairo_image_surface_create (CAIRO_FORMAT_A8, c->width, c->height); + + data = cairo_image_surface_get_data (image); + stride = cairo_image_surface_get_stride (image); + + cairo_surface_flush (image); + for (y = 0; y < c->height; y++) { + uint8_t *row = data + y *stride; + int cover = 0; + for (x = 0; x < c->width; x++) { + int v = y*c->width + x; + + cover += c->cells[v].covered_height * 256; + v = cover - c->cells[v].uncovered_area; + + v /= 256; + if (v < 0) + v = -v; + row[x] = v - (v >> 8); + } + } + cairo_surface_mark_dirty (image); + + free (c); + return image; +} +#endif + +static cairo_test_status_t +edge (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_ADD); + +#if GENERATE_REFERENCE + { + struct coverage *c; + cairo_surface_t *mask; + + cairo_set_source_rgb (cr, 1, 0, 0); + + c = coverage_create (width, height); + add_edge (c, 128*256, 129*256, 129*256, 1*256, 1); + add_edge (c, 128*256, 129*256, 128*256, 131*256, -1); + add_edge (c, 128*256, 131*256, 129*256, 259*256, -1); + add_edge (c, 130*256, 129*256, 129*256, 1*256, -1); + add_edge (c, 130*256, 129*256, 130*256, 131*256, 1); + add_edge (c, 130*256, 131*256, 129*256, 259*256, 1); + mask = coverage_to_alpha (c); + cairo_mask_surface (cr, mask, 0, 0); + cairo_surface_destroy (mask); + + c = coverage_create (width, height); + add_edge (c, 128*256/2, 129*256/2, 129*256/2, 1*256/2, 1); + add_edge (c, 128*256/2, 129*256/2, 128*256/2, 131*256/2, -1); + add_edge (c, 128*256/2, 131*256/2, 129*256/2, 259*256/2, -1); + add_edge (c, 130*256/2, 129*256/2, 129*256/2, 1*256/2, -1); + add_edge (c, 130*256/2, 129*256/2, 130*256/2, 131*256/2, 1); + add_edge (c, 130*256/2, 131*256/2, 129*256/2, 259*256/2, 1); + mask = coverage_to_alpha (c); + cairo_mask_surface (cr, mask, 0, 0); + cairo_surface_destroy (mask); + + c = coverage_create (width, height); + add_edge (c, (192-2)*256, 129*256, 192*256, 1*256, 1); + add_edge (c, (192-2)*256, 129*256, (192-2)*256, 131*256, -1); + add_edge (c, (192-2)*256, 131*256, 192*256, 259*256, -1); + add_edge (c, (192+2)*256, 129*256, 192*256, 1*256, -1); + add_edge (c, (192+2)*256, 129*256, (192+2)*256, 131*256, 1); + add_edge (c, (192+2)*256, 131*256, 192*256, 259*256, 1); + mask = coverage_to_alpha (c); + cairo_mask_surface (cr, mask, 0, 0); + cairo_surface_destroy (mask); + + c = coverage_create (width, height); + add_edge (c, (256-4)*256, 129*256, 256*256, 1*256, 1); + add_edge (c, (256-4)*256, 129*256, (256-4)*256, 131*256, -1); + add_edge (c, (256-4)*256, 131*256, 256*256, 259*256, -1); + add_edge (c, (256+4)*256, 129*256, 256*256, 1*256, -1); + add_edge (c, (256+4)*256, 129*256, (256+4)*256, 131*256, 1); + add_edge (c, (256+4)*256, 131*256, 256*256, 259*256, 1); + mask = coverage_to_alpha (c); + cairo_mask_surface (cr, mask, 0, 0); + cairo_surface_destroy (mask); + + cairo_set_source_rgb (cr, 0, 1, 0); + + c = coverage_create (width, height); + add_edge (c, 1*256, 129*256, 129*256, 128*256, 1); + add_edge (c, 131*256, 128*256, 259*256, 129*256, 1); + add_edge (c, 1*256, 129*256, 129*256, 130*256, -1); + add_edge (c, 131*256, 130*256, 259*256, 129*256, -1); + mask = coverage_to_alpha (c); + cairo_mask_surface (cr, mask, 0, 0); + cairo_surface_destroy (mask); + + c = coverage_create (width, height); + add_edge (c, 1*256/2, 129*256/2, 129*256/2, 128*256/2, 1); + add_edge (c, 131*256/2, 128*256/2, 259*256/2, 129*256/2, 1); + add_edge (c, 1*256/2, 129*256/2, 129*256/2, 130*256/2, -1); + add_edge (c, 131*256/2, 130*256/2, 259*256/2, 129*256/2, -1); + mask = coverage_to_alpha (c); + cairo_mask_surface (cr, mask, 0, 0); + cairo_surface_destroy (mask); + + c = coverage_create (width, height); + add_edge (c, 1*256, (192-0)*256, 129*256, (192-2)*256, 1); + add_edge (c, 131*256, (192-2)*256, 259*256, (192-0)*256, 1); + add_edge (c, 1*256, (192+0)*256, 129*256, (192+2)*256, -1); + add_edge (c, 131*256, (192+2)*256, 259*256, (192+0)*256, -1); + mask = coverage_to_alpha (c); + cairo_mask_surface (cr, mask, 0, 0); + cairo_surface_destroy (mask); + + c = coverage_create (width, height); + add_edge (c, 1*256, (256-0)*256, 129*256, (256-4)*256, 1); + add_edge (c, 131*256, (256-4)*256, 259*256, (256-0)*256, 1); + add_edge (c, 1*256, (256+0)*256, 129*256, (256+4)*256, -1); + add_edge (c, 131*256, (256+4)*256, 259*256, (256+0)*256, -1); + mask = coverage_to_alpha (c); + cairo_mask_surface (cr, mask, 0, 0); + cairo_surface_destroy (mask); + } +#else + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_move_to (cr, 129, 1); + cairo_line_to (cr, 128, 129); + cairo_line_to (cr, 128, 131); + cairo_line_to (cr, 129, 259); + cairo_line_to (cr, 130, 131); + cairo_line_to (cr, 130, 129); + cairo_fill (cr); + + cairo_move_to (cr, 129/2., 1/2.); + cairo_line_to (cr, 128/2., 129/2.); + cairo_line_to (cr, 128/2., 131/2.); + cairo_line_to (cr, 129/2., 259/2.); + cairo_line_to (cr, 130/2., 131/2.); + cairo_line_to (cr, 130/2., 129/2.); + cairo_fill (cr); + + cairo_move_to (cr, 192, 1); + cairo_line_to (cr, 192-2, 129); + cairo_line_to (cr, 192-2, 131); + cairo_line_to (cr, 192, 259); + cairo_line_to (cr, 192+2, 131); + cairo_line_to (cr, 192+2, 129); + cairo_fill (cr); + + cairo_move_to (cr, 256, 1); + cairo_line_to (cr, 256-4, 129); + cairo_line_to (cr, 256-4, 131); + cairo_line_to (cr, 256, 259); + cairo_line_to (cr, 256+4, 131); + cairo_line_to (cr, 256+4, 129); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_move_to (cr, 1, 129); + cairo_line_to (cr, 129, 128); + cairo_line_to (cr, 131, 128); + cairo_line_to (cr, 259, 129); + cairo_line_to (cr, 131, 130); + cairo_line_to (cr, 129, 130); + cairo_fill (cr); + + cairo_move_to (cr, 1/2., 129/2.); + cairo_line_to (cr, 129/2., 128/2.); + cairo_line_to (cr, 131/2., 128/2.); + cairo_line_to (cr, 259/2., 129/2.); + cairo_line_to (cr, 131/2., 130/2.); + cairo_line_to (cr, 129/2., 130/2.); + cairo_fill (cr); + + cairo_move_to (cr, 1, 192); + cairo_line_to (cr, 129, 192-2); + cairo_line_to (cr, 131, 192-2); + cairo_line_to (cr, 259, 192); + cairo_line_to (cr, 131, 192+2); + cairo_line_to (cr, 129, 192+2); + cairo_fill (cr); + + cairo_move_to (cr, 1, 256); + cairo_line_to (cr, 129, 256-4); + cairo_line_to (cr, 131, 256-4); + cairo_line_to (cr, 259, 256); + cairo_line_to (cr, 131, 256+4); + cairo_line_to (cr, 129, 256+4); + cairo_fill (cr); +#endif + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (simple_edge, + "Check the fidelity of the rasterisation.", + NULL, /* keywords */ + "target=raster", /* requirements */ + 260, 260, + NULL, edge) diff --git a/test/skew-extreme.c b/test/skew-extreme.c new file mode 100644 index 000000000..69299a86c --- /dev/null +++ b/test/skew-extreme.c @@ -0,0 +1,118 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +/* This test case is designed to exercise the following bug: + * + * Skew transforms were broken by the cairo update in December + * https://bugzilla.mozilla.org/show_bug.cgi?id=373632 + * + * What's happening is that the rectangle is being skewed into the + * following shape: + * + * a__b + * \ \ + * \ \ + * \ \ + * \ \ + * \ \ + * d\_\c + * + * and the bug is that _cairo_traps_tessellate_convex_quad is + * comparing b.x as less then d.x and therfore determining that the bc + * edge is left of the ad edge. The fix is simply to compare c.x to + * d.x instead of b.x to d.x . + */ + +#define PAD 2 +#define LINE_WIDTH 10 +#define LINE_LENGTH (2 * LINE_WIDTH) +#define SKEW_FACTOR 5.0 +#define WIDTH (PAD + (LINE_LENGTH * SKEW_FACTOR) + LINE_WIDTH + PAD) +#define HEIGHT (PAD + LINE_WIDTH + (LINE_LENGTH * SKEW_FACTOR) + LINE_WIDTH + PAD) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, PAD, PAD); + + cairo_set_line_width (cr, LINE_WIDTH); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + + cairo_save (cr); + { + cairo_matrix_t skew_x = { + 1.0, 0.0, + SKEW_FACTOR, 1.0, + 0.0, 0.0 + }; + + cairo_translate (cr, LINE_WIDTH / 2.0, 0.0); + + cairo_transform (cr, &skew_x); + + cairo_move_to (cr, 0.0, 0.0); + cairo_line_to (cr, 0.0, LINE_LENGTH); + cairo_stroke (cr); + } + cairo_restore (cr); + + cairo_translate (cr, 0.0, LINE_WIDTH); + + cairo_save (cr); + { + cairo_matrix_t skew_y = { + 1.0, SKEW_FACTOR, + 0.0, 1.0, + 0.0, 0.0 + }; + + cairo_translate (cr, 0.0, LINE_WIDTH / 2.0); + + cairo_transform (cr, &skew_y); + + cairo_move_to (cr, 0.0, 0.0); + cairo_line_to (cr, LINE_LENGTH, 0.0); + cairo_stroke (cr); + } + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (skew_extreme, + "Test cases of extreme skew.", + "transform, stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/smask-fill.c b/test/smask-fill.c new file mode 100644 index 000000000..cb3861036 --- /dev/null +++ b/test/smask-fill.c @@ -0,0 +1,73 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *mask; + cairo_pattern_t *pattern; + cairo_t *cr2; + + cairo_set_source_rgb (cr, 0, 0, 1.0); + cairo_paint (cr); + + mask = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask); + cairo_surface_destroy (mask); + + cairo_save (cr2); { + cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr2); + } cairo_restore (cr2); + + pattern = cairo_pattern_create_linear (0, 0, width, height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5); + cairo_pattern_add_color_stop_rgba (pattern, 0.75, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 0., 0., 0., 0.); + cairo_set_source (cr2, pattern); + cairo_pattern_destroy (pattern); + + cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.45 * height, 0, 2 * M_PI); + cairo_fill (cr2); + + cairo_set_source_rgb (cr, 1.0, 0, 0); + cairo_mask_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (smask_fill, + "Test the support of \"soft\" masks with fills", + "smask, fill", /* keywords */ + NULL, /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/smask-image-mask.c b/test/smask-image-mask.c new file mode 100644 index 000000000..3d8b5d5a8 --- /dev/null +++ b/test/smask-image-mask.c @@ -0,0 +1,85 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + uint32_t data[] = { + 0xaa000000, 0x55000000, + 0x55000000, 0xaa000000, + }; + + cairo_surface_t *mask, *mask2; + cairo_pattern_t *pattern; + cairo_t *cr2; + + cairo_set_source_rgb (cr, 0, 0, 1.0); + cairo_paint (cr); + + mask = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask); + cairo_surface_destroy (mask); + + cairo_save (cr2); { + cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr2); + } cairo_restore (cr2); + + pattern = cairo_pattern_create_linear (0, 0, width, height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5); + cairo_pattern_add_color_stop_rgba (pattern, 0.75, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 0., 0., 0., 0.); + cairo_set_source (cr2, pattern); + cairo_pattern_destroy (pattern); + + mask2 = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_ARGB32, 2, 2, 8); + pattern = cairo_pattern_create_for_surface (mask2); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_mask (cr2, pattern); + cairo_pattern_destroy (pattern); + + cairo_set_source_rgb (cr, 1.0, 0, 0); + cairo_mask_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + cairo_surface_finish (mask2); /* data will go out of scope */ + cairo_surface_destroy (mask2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (smask_image_mask, + "Test the support of \"soft\" masks with a secondary image mask", + "smask, image", /* keywords */ + NULL, /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/smask-mask.c b/test/smask-mask.c new file mode 100644 index 000000000..11cff82ff --- /dev/null +++ b/test/smask-mask.c @@ -0,0 +1,96 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *mask; + cairo_pattern_t *pattern; + cairo_t *cr2, *cr3; + + cairo_set_source_rgb (cr, 0, 0, 1.0); + cairo_paint (cr); + + mask = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask); + cairo_surface_destroy (mask); + + mask = cairo_surface_create_similar (cairo_get_group_target (cr2), + CAIRO_CONTENT_ALPHA, + width, height); + cr3 = cairo_create (mask); + cairo_surface_destroy (mask); + + cairo_save (cr3); { + cairo_set_operator (cr3, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr3); + } cairo_restore (cr3); + + pattern = cairo_pattern_create_linear (0, 0, width, height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5); + cairo_pattern_add_color_stop_rgba (pattern, 0.75, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 0., 0., 0., 0.); + cairo_set_source (cr3, pattern); + cairo_pattern_destroy (pattern); + cairo_paint (cr3); + + + cairo_save (cr2); { + cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr2); + } cairo_restore (cr2); + + pattern = cairo_pattern_create_radial ( + 0.5 * width, 0.5 * height, 0, + 0.5 * width, 0.5 * height, 0.5 *height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 1., 1., 1., 1.); + cairo_set_source (cr2, pattern); + cairo_pattern_destroy (pattern); + + cairo_mask_surface (cr2, cairo_get_target (cr3), 0, 0); + cairo_destroy (cr3); + + cairo_set_source_rgb (cr, 1.0, 0, 0); + cairo_mask_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (smask_mask, + "Test the support of \"soft\" masks with a secondary mask", + "smask, mask", /* keywords */ + NULL, /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/smask-paint.c b/test/smask-paint.c new file mode 100644 index 000000000..ee781caae --- /dev/null +++ b/test/smask-paint.c @@ -0,0 +1,81 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *mask; + cairo_pattern_t *pattern; + cairo_t *cr2; + + mask = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask); + cairo_surface_destroy (mask); + + cairo_save (cr2); { + cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr2); + } cairo_restore (cr2); + + pattern = cairo_pattern_create_linear (0, 0, width, height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5); + cairo_pattern_add_color_stop_rgba (pattern, 0.75, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 0., 0., 0., 0.); + cairo_set_source (cr2, pattern); + cairo_pattern_destroy (pattern); + + cairo_paint (cr2); + + cairo_set_source_rgb (cr, 0, 0, 1.0); + cairo_paint (cr); + + pattern = cairo_pattern_create_radial ( + 0.5 * width, 0.5 * height, 0, + 0.5 * width, 0.5 * height, 0.5 *height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 0., 0., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 0., 0., .5); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 1., 0., 0., 1.); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + cairo_mask_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (smask_paint, + "Test the support of \"soft\" masks with paints", + "smask, paint", /* keywords */ + NULL, /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/smask-stroke.c b/test/smask-stroke.c new file mode 100644 index 000000000..2a8e7e890 --- /dev/null +++ b/test/smask-stroke.c @@ -0,0 +1,73 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *mask; + cairo_pattern_t *pattern; + cairo_t *cr2; + + cairo_set_source_rgb (cr, 0, 0, 1.0); + cairo_paint (cr); + + mask = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask); + cairo_surface_destroy (mask); + + cairo_save (cr2); { + cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr2); + } cairo_restore (cr2); + + pattern = cairo_pattern_create_linear (0, 0, width, height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5); + cairo_pattern_add_color_stop_rgba (pattern, 0.75, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 0., 0., 0., 0.); + cairo_set_source (cr2, pattern); + cairo_pattern_destroy (pattern); + + cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.4 * height, 0, 2 * M_PI); + cairo_stroke (cr2); + + cairo_set_source_rgb (cr, 1.0, 0, 0); + cairo_mask_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (smask_stroke, + "Test the support of \"soft\" masks with strokes", + "smask, stroke", /* keywords */ + NULL, /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/smask-text.c b/test/smask-text.c new file mode 100644 index 000000000..f36ae2674 --- /dev/null +++ b/test/smask-text.c @@ -0,0 +1,83 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *mask; + cairo_pattern_t *pattern; + cairo_t *cr2; + cairo_text_extents_t extents; + + cairo_set_source_rgb (cr, 0, 0, 1.0); + cairo_paint (cr); + + mask = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask); + cairo_surface_destroy (mask); + + cairo_save (cr2); { + cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr2); + } cairo_restore (cr2); + + pattern = cairo_pattern_create_linear (0, 0, width, height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5); + cairo_pattern_add_color_stop_rgba (pattern, 0.75, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 0., 0., 0., 0.); + cairo_set_source (cr2, pattern); + cairo_pattern_destroy (pattern); + + cairo_select_font_face (cr2, + CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr2, 0.5 * height); + + cairo_text_extents (cr2, "cairo", &extents); + cairo_move_to (cr2, + floor ((width - extents.width) / 2 + 0.5) - extents.x_bearing, + floor ((height - extents.height) / 2 - 0.5) - extents.y_bearing); + cairo_show_text (cr2, "cairo"); + + cairo_set_source_rgb (cr, 1.0, 0, 0); + cairo_mask_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (smask_text, + "Test the support of \"soft\" masks with text", + "smask, text", /* keywords */ + NULL, /* keywords */ + 120, 60, + NULL, draw) diff --git a/test/smask.c b/test/smask.c new file mode 100644 index 000000000..4cf3adb2a --- /dev/null +++ b/test/smask.c @@ -0,0 +1,123 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + uint32_t data[] = { + 0x80000000, 0x80000000, + 0x80000000, 0x80000000, + }; + + cairo_surface_t *mask, *mask2; + cairo_pattern_t *pattern; + cairo_t *cr2; + cairo_text_extents_t extents; + + mask = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask); + cairo_surface_destroy (mask); + + cairo_save (cr2); { + cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR); + cairo_paint (cr2); + } cairo_restore (cr2); + + pattern = cairo_pattern_create_linear (0, 0, 0, height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.0); + cairo_pattern_add_color_stop_rgba (pattern, 0.80, 0., 0., 0., 0.0); + cairo_pattern_add_color_stop_rgba (pattern, 0.90, 1., 1., 1., 0.25); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 1., 1., 1., 1.0); + cairo_set_source (cr2, pattern); + cairo_pattern_destroy (pattern); + + cairo_paint (cr2); + + pattern = cairo_pattern_create_linear (0, 0, width, height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5); + cairo_pattern_add_color_stop_rgba (pattern, 0.75, 1., 1., 1., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 0., 0., 0., 0.); + cairo_set_source (cr2, pattern); + cairo_pattern_destroy (pattern); + + mask2 = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_ARGB32, 2, 2, 8); + pattern = cairo_pattern_create_for_surface (mask2); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_mask (cr2, pattern); + cairo_pattern_destroy (pattern); + + cairo_arc (cr2, 0.5 * width, 0.5 * height - 10, 0.2 * height, 0, 2 * M_PI); + cairo_fill (cr2); + + cairo_arc (cr2, 0.5 * width, 0.5 * height - 10, 0.25 * height, 0, 2 * M_PI); + cairo_stroke (cr2); + + cairo_select_font_face (cr2, + CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr2, 0.3 * height); + + cairo_text_extents (cr2, "FG", &extents); + cairo_move_to (cr2, + floor ((width - extents.width) / 2 + 0.5) - extents.x_bearing, + floor (height - extents.height - 0.5) - extents.y_bearing - 5); + cairo_show_text (cr2, "FG"); + + cairo_set_source_rgb (cr, 0, 0, 1.0); + cairo_paint (cr); + + pattern = cairo_pattern_create_radial ( + 0.5 * width, 0.5 * height, 0, + 0.5 * width, 0.5 * height, 0.5 *height); + cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.); + cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 0., 0., 1.); + cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 0., 0., .5); + cairo_pattern_add_color_stop_rgba (pattern, 1.00, 1., 0., 0., 1.); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + cairo_mask_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + cairo_surface_finish (mask2); /* data will go out of scope */ + cairo_surface_destroy (mask2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (smask, + "Test the support of \"soft\" masks", + "smask", /* keywords */ + NULL, /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/solid-pattern-cache-stress.c b/test/solid-pattern-cache-stress.c new file mode 100644 index 000000000..c2a1c1526 --- /dev/null +++ b/test/solid-pattern-cache-stress.c @@ -0,0 +1,212 @@ +/* + * Copyright © 2007 Chris Wilson. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson. Not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris at chris-wilson.co.uk> + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cairo-test.h" +#include <stdlib.h> /* drand48() */ + +#define LOOPS 10 +#define NRAND 100 + +#ifndef HAVE_DRAND48 +#define drand48() (rand () / (double) RAND_MAX) +#endif + +static cairo_scaled_font_t *scaled_font; + +static cairo_t * +_cairo_create_similar (cairo_t *cr, int width, int height) +{ + cairo_surface_t *similar; + + similar = cairo_surface_create_similar (cairo_get_target (cr), + cairo_surface_get_content (cairo_get_target (cr)), + width, height); + cr = cairo_create (similar); + cairo_surface_destroy (similar); + + return cr; +} + +static cairo_t * +_cairo_create_image (cairo_t *cr, cairo_format_t format, int width, int height) +{ + cairo_surface_t *image; + + image = cairo_image_surface_create (format, width, height); + cr = cairo_create (image); + cairo_surface_destroy (image); + + return cr; +} + +static void +_propagate_status (cairo_t *dst, cairo_t *src) +{ + cairo_path_t path; + + path.status = cairo_status (src); + if (path.status) { + path.num_data = 0; + path.data = NULL; + cairo_append_path (dst, &path); + } +} + +static void +_draw (cairo_t *cr, + double red, + double green, + double blue) +{ + cairo_text_extents_t extents; + + cairo_set_source_rgb (cr, red, green, blue); + cairo_paint (cr); + + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, 1, 1); + cairo_stroke (cr); + + cairo_mask (cr, cairo_get_source (cr)); + + cairo_set_scaled_font (cr, scaled_font); + cairo_text_extents (cr, "cairo", &extents); + cairo_move_to (cr, + -extents.x_bearing - .5 * extents.width, + -extents.y_bearing - .5 * extents.height); + cairo_show_text (cr, "cairo"); +} + +static void +use_similar (cairo_t *cr, + double red, + double green, + double blue) +{ + cairo_t *cr2; + + if (cairo_status (cr)) + return; + + cr2 = _cairo_create_similar (cr, 1, 1); + + _draw (cr2, red, green, blue); + + _propagate_status (cr, cr2); + cairo_destroy (cr2); +} + +static void +use_image (cairo_t *cr, + cairo_format_t format, + double red, + double green, + double blue) +{ + cairo_t *cr2; + + if (cairo_status (cr)) + return; + + cr2 = _cairo_create_image (cr, format, 1, 1); + + _draw (cr2, red, green, blue); + + _propagate_status (cr, cr2); + cairo_destroy (cr2); +} + +static void +use_solid (cairo_t *cr, + double red, + double green, + double blue) +{ + /* mix in dissimilar solids */ + use_image (cr, CAIRO_FORMAT_A1, red, green, blue); + use_image (cr, CAIRO_FORMAT_A8, red, green, blue); + use_image (cr, CAIRO_FORMAT_RGB24, red, green, blue); + use_image (cr, CAIRO_FORMAT_ARGB32, red, green, blue); + + use_similar (cr, red, green, blue); + + _draw (cr, red, green, blue); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_status_t status; + const double colors[8][3] = { + { 1.0, 0.0, 0.0 }, /* red */ + { 0.0, 1.0, 0.0 }, /* green */ + { 1.0, 1.0, 0.0 }, /* yellow */ + { 0.0, 0.0, 1.0 }, /* blue */ + { 1.0, 0.0, 1.0 }, /* magenta */ + { 0.0, 1.0, 1.0 }, /* cyan */ + { 1.0, 1.0, 1.0 }, /* white */ + { 0.0, 0.0, 0.0 }, /* black */ + }; + int i, j, loop; + + /* cache a resolved scaled-font */ + scaled_font = cairo_get_scaled_font (cr); + + for (loop = 0; loop < LOOPS; loop++) { + for (i = 0; i < LOOPS; i++) { + for (j = 0; j < 8; j++) { + use_solid (cr, colors[j][0], colors[j][1], colors[j][2]); + status = cairo_status (cr); + if (status) + return cairo_test_status_from_status (ctx, status); + } + } + + for (i = 0; i < NRAND; i++) { + use_solid (cr, drand48 (), drand48 (), drand48 ()); + status = cairo_status (cr); + if (status) + return cairo_test_status_from_status (ctx, status); + } + } + + /* stress test only, so clear the surface before comparing */ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (solid_pattern_cache_stress, + "Stress the solid pattern cache and ensure it behaves", + "stress", /* keywords */ + NULL, /* requirements */ + 1, 1, + NULL, draw) diff --git a/test/source-clip-scale.c b/test/source-clip-scale.c new file mode 100644 index 000000000..4eca2061c --- /dev/null +++ b/test/source-clip-scale.c @@ -0,0 +1,82 @@ +/* + * Copyright © 2005 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 12 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *source; + cairo_t *cr2; + + source = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + SIZE, SIZE); + cr2 = cairo_create (source); + cairo_surface_destroy (source); + + /* Fill the source surface with green */ + cairo_set_source_rgb (cr2, 0, 1, 0); + cairo_paint (cr2); + + /* Draw a blue square in the middle of the source with clipping. + * Note that we are only clipping within a save/restore block but + * the buggy behavior demonstrates that the clip remains present + * on the surface. */ + cairo_save (cr2); + cairo_rectangle (cr2, + SIZE / 4, SIZE / 4, + SIZE / 2, SIZE / 2); + cairo_clip (cr2); + cairo_set_source_rgb (cr2, 0, 0, 1); + cairo_paint (cr2); + cairo_restore (cr2); + + /* Fill the destination surface with solid red (should not appear + * in final result) */ + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + /* Now draw the source surface onto the destination with scaling. */ + cairo_scale (cr, 2.0, 1.0); + + cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_destroy (cr2); + + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (source_clip_scale, + "Test that a source surface is not affected by a clip when scaling", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE * 2, SIZE, + NULL, draw) diff --git a/test/source-clip.c b/test/source-clip.c new file mode 100644 index 000000000..0c00070b1 --- /dev/null +++ b/test/source-clip.c @@ -0,0 +1,77 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Owen Taylor <otaylor@redhat.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 12 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *source; + cairo_t *cr2; + + source = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + SIZE, SIZE); + + cr2 = cairo_create (source); + cairo_surface_destroy (source); + + /* Fill the source surface with green */ + cairo_set_source_rgb (cr2, 0, 1, 0); + cairo_paint (cr2); + + /* Draw a blue square in the middle of the source with clipping, + * and leave the clip there. */ + cairo_rectangle (cr2, + SIZE / 4, SIZE / 4, + SIZE / 2, SIZE / 2); + cairo_clip (cr2); + cairo_set_source_rgb (cr2, 0, 0, 1); + cairo_paint (cr2); + + /* Fill the destination surface with solid red (should not appear + * in final result) */ + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_paint (cr); + + /* Now draw the source surface onto the destination surface */ + cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0); + cairo_paint (cr); + + cairo_destroy (cr2); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (source_clip, + "Test that a source surface is not affected by a clip", + "clip", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/source-surface-scale-paint.c b/test/source-surface-scale-paint.c new file mode 100644 index 000000000..4ac62490a --- /dev/null +++ b/test/source-surface-scale-paint.c @@ -0,0 +1,59 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + uint32_t data[16] = { + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + 0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000, + + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff, + 0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff + }; + + surface = cairo_image_surface_create_for_data ((unsigned char *) data, + CAIRO_FORMAT_RGB24, 4, 4, 16); + + cairo_set_source_surface (cr, surface, 2, 2); + cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); + cairo_scale (cr, 2, 2); + cairo_paint (cr); + + cairo_surface_finish (surface); /* data will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (source_surface_scale_paint, + "Test call sequence: cairo_set_source_surface; cairo_scale; cairo_paint", + "transform, paint", /* keywords */ + NULL, /* requirements */ + 8, 8, + NULL, draw) diff --git a/test/spline-decomposition.c b/test/spline-decomposition.c new file mode 100644 index 000000000..ea8f26f23 --- /dev/null +++ b/test/spline-decomposition.c @@ -0,0 +1,471 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +typedef struct _point { + double x,y; +} point_t; + +typedef struct _knots { + point_t a,b,c,d; +} knots_t; + +static knots_t knots[5] = { + { {0, 0}, {0, 100}, {100, 100}, {100, 0} }, + { {0, 0}, {75, 100}, {25, 100}, {100, 0} }, + { {0, 0}, {100, 100}, {0, 100}, {100, 0} }, + { {0, 0}, {150, 100}, {-50, 100}, {100, 0} }, + { {0, 0}, {100, 200}, {0, -100}, {100, 100} }, +}; + +#ifdef REFERENCE +static void +_lerp_half (const point_t *a, const point_t *b, point_t *result) +{ + result->x = .5 * (a->x + b->x); + result->y = .5 * (a->y + b->y); +} + +static void +_de_casteljau (knots_t *k1, knots_t *k2) +{ + point_t ab, bc, cd; + point_t abbc, bccd; + point_t final; + + _lerp_half (&k1->a, &k1->b, &ab); + _lerp_half (&k1->b, &k1->c, &bc); + _lerp_half (&k1->c, &k1->d, &cd); + _lerp_half (&ab, &bc, &abbc); + _lerp_half (&bc, &cd, &bccd); + _lerp_half (&abbc, &bccd, &final); + + k2->a = final; + k2->b = bccd; + k2->c = cd; + k2->d = k1->d; + + k1->b = ab; + k1->c = abbc; + k1->d = final; +} + +static double +_spline_error_squared (const knots_t *knots) +{ + double bdx, bdy, berr; + double cdx, cdy, cerr; + double dx, dy, v; + + /* Intersection point (px): + * px = p1 + u(p2 - p1) + * (p - px) ∙ (p2 - p1) = 0 + * Thus: + * u = ((p - p1) ∙ (p2 - p1)) / ∥p2 - p1∥²; + */ + bdx = knots->b.x - knots->a.x; + bdy = knots->b.y - knots->a.y; + + cdx = knots->c.x - knots->a.x; + cdy = knots->c.y - knots->a.y; + + dx = knots->d.x - knots->a.x; + dy = knots->d.y - knots->a.y; + v = dx * dx + dy * dy; + if (v != 0.) { + double u; + + u = bdx * dx + bdy * dy; + if (u <= 0) { + /* bdx -= 0; + * bdy -= 0; + */ + } else if (u >= v) { + bdx -= dx; + bdy -= dy; + } else { + bdx -= u/v * dx; + bdy -= u/v * dy; + } + + u = cdx * dx + cdy * dy; + if (u <= 0) { + /* cdx -= 0; + * cdy -= 0; + */ + } else if (u >= v) { + cdx -= dx; + cdy -= dy; + } else { + cdx -= u/v * dx; + cdy -= u/v * dy; + } + } + + berr = bdx * bdx + bdy * bdy; + cerr = cdx * cdx + cdy * cdy; + if (berr > cerr) + return berr * v; + else + return cerr * v; +} + +static void +_offset_line_to (cairo_t *cr, + const point_t *p0, + const point_t *p1, + const point_t *p2, + const point_t *p3, + double offset) +{ + double dx, dy, v; + + dx = p1->x - p0->x; + dy = p1->y - p0->y; + v = hypot (dx, dy); + if (v == 0) { + dx = p2->x - p0->x; + dy = p2->y - p0->y; + v = hypot (dx, dy); + if (v == 0) { + dx = p3->x - p0->x; + dy = p3->y - p0->y; + v = hypot (dx, dy); + } + } + + if (v == 0) { + cairo_line_to (cr, p0->x, p0->y); + } else + cairo_line_to (cr, p0->x - offset * dy / v, p0->y + offset * dx / v); +} + +static void +_spline_decompose_into (knots_t *k1, + double tolerance_squared, + double offset, + cairo_t *cr) +{ + knots_t k2; + + if (_spline_error_squared (k1) < tolerance_squared) { + _offset_line_to (cr, &k1->a, &k1->b, &k1->c, &k1->d, offset); + return; + } + + _de_casteljau (k1, &k2); + + _spline_decompose_into (k1, tolerance_squared, offset, cr); + _spline_decompose_into (&k2, tolerance_squared, offset, cr); +} + +static void +_spline_decompose (const knots_t *knots, + double tolerance, double offset, + cairo_t *cr) +{ + knots_t k; + + k = *knots; + _spline_decompose_into (&k, tolerance * tolerance, offset, cr); + + _offset_line_to (cr, &knots->d, &knots->c, &knots->b, &knots->a, -offset); +} + +static void +_knots_reverse (knots_t *knots) +{ + point_t tmp; + + tmp = knots->a; + knots->a = knots->d; + knots->d = tmp; + + tmp = knots->b; + knots->b = knots->c; + knots->c = tmp; +} + +static void +thick_splines (cairo_t *cr, double offset) +{ + knots_t k; + + cairo_save (cr); + cairo_translate (cr, 15, 15); + + k = knots[0]; + + cairo_new_path (cr); + _spline_decompose (&k, .1, offset, cr); + _knots_reverse (&k); + _spline_decompose (&k, .1, offset, cr); + cairo_close_path (cr); + cairo_fill (cr); + + cairo_translate (cr, 130, 0); + + k = knots[1]; + + cairo_new_path (cr); + _spline_decompose (&k, .1, offset, cr); + _knots_reverse (&k); + _spline_decompose (&k, .1, offset, cr); + cairo_close_path (cr); + cairo_fill (cr); + + cairo_translate (cr, 130, 0); + + k = knots[2]; + + cairo_new_path (cr); + _spline_decompose (&k, .1, offset, cr); + _knots_reverse (&k); + _spline_decompose (&k, .1, offset, cr); + cairo_close_path (cr); + cairo_fill (cr); + + cairo_translate (cr, -130 - 65, 130); + + k = knots[3]; + + cairo_new_path (cr); + _spline_decompose (&k, .1, offset, cr); + _knots_reverse (&k); + _spline_decompose (&k, .1, offset, cr); + cairo_close_path (cr); + cairo_fill (cr); + + cairo_translate (cr, 130, 0); + + k = knots[4]; + + cairo_new_path (cr); + _spline_decompose (&k, .1, offset, cr); + _knots_reverse (&k); + _spline_decompose (&k, .1, offset, cr); + cairo_close_path (cr); + cairo_fill (cr); + cairo_restore (cr); +} + +static void +thin_splines (cairo_t *cr) +{ + cairo_save (cr); + cairo_translate (cr, 15, 15); + + cairo_new_path (cr); + _spline_decompose (&knots[0], .1, 0, cr); + cairo_stroke (cr); + + cairo_translate (cr, 130, 0); + + cairo_new_path (cr); + _spline_decompose (&knots[1], .1, 0, cr); + cairo_stroke (cr); + + cairo_translate (cr, 130, 0); + + cairo_new_path (cr); + _spline_decompose (&knots[2], .1, 0, cr); + cairo_stroke (cr); + + cairo_translate (cr, -130 - 65, 130); + + cairo_new_path (cr); + _spline_decompose (&knots[3], .1, 0, cr); + cairo_stroke (cr); + + cairo_translate (cr, 130, 0); + + cairo_new_path (cr); + _spline_decompose (&knots[4], .1, 0, cr); + cairo_stroke (cr); + cairo_restore (cr); +} +#endif + +static void +draw_bbox (cairo_t *cr, double x0, double y0, double x1, double y1) +{ + cairo_rectangle (cr, + floor (x0) + .5, floor (y0) + .5, + ceil (x1) - floor (x0), ceil (y1) - floor (y0)); + cairo_stroke (cr); +} + +static void +stroke_splines (cairo_t *cr) +{ + double stroke_x0, stroke_x1, stroke_y0, stroke_y1; + double path_x0, path_x1, path_y0, path_y1; + + cairo_save (cr); + cairo_translate (cr, 15, 15); + + cairo_new_path (cr); + cairo_move_to (cr, + knots[0].a.x, knots[0].a.y); + cairo_curve_to (cr, + knots[0].b.x, knots[0].b.y, + knots[0].c.x, knots[0].c.y, + knots[0].d.x, knots[0].d.y); + cairo_stroke_extents (cr, &stroke_x0, &stroke_y0, &stroke_x1, &stroke_y1); + cairo_path_extents (cr, &path_x0, &path_y0, &path_x1, &path_y1); + cairo_stroke (cr); + + cairo_save (cr); { + cairo_set_line_width (cr, 1); + cairo_set_source_rgb (cr, 1, 0, 0); + draw_bbox (cr, stroke_x0, stroke_y0, stroke_x1, stroke_y1); + cairo_set_source_rgb (cr, 0, 0, 1); + draw_bbox (cr, path_x0, path_y0, path_x1, path_y1); + } cairo_restore (cr); + + cairo_translate (cr, 130, 0); + + cairo_new_path (cr); + cairo_move_to (cr, + knots[1].a.x, knots[1].a.y); + cairo_curve_to (cr, + knots[1].b.x, knots[1].b.y, + knots[1].c.x, knots[1].c.y, + knots[1].d.x, knots[1].d.y); + cairo_stroke_extents (cr, &stroke_x0, &stroke_y0, &stroke_x1, &stroke_y1); + cairo_path_extents (cr, &path_x0, &path_y0, &path_x1, &path_y1); + cairo_stroke (cr); + + cairo_save (cr); { + cairo_set_line_width (cr, 1); + cairo_set_source_rgb (cr, 1, 0, 0); + draw_bbox (cr, stroke_x0, stroke_y0, stroke_x1, stroke_y1); + cairo_set_source_rgb (cr, 0, 0, 1); + draw_bbox (cr, path_x0, path_y0, path_x1, path_y1); + } cairo_restore (cr); + + cairo_translate (cr, 130, 0); + + cairo_new_path (cr); + cairo_move_to (cr, + knots[2].a.x, knots[2].a.y); + cairo_curve_to (cr, + knots[2].b.x, knots[2].b.y, + knots[2].c.x, knots[2].c.y, + knots[2].d.x, knots[2].d.y); + cairo_stroke_extents (cr, &stroke_x0, &stroke_y0, &stroke_x1, &stroke_y1); + cairo_path_extents (cr, &path_x0, &path_y0, &path_x1, &path_y1); + cairo_stroke (cr); + + cairo_save (cr); { + cairo_set_line_width (cr, 1); + cairo_set_source_rgb (cr, 1, 0, 0); + draw_bbox (cr, stroke_x0, stroke_y0, stroke_x1, stroke_y1); + cairo_set_source_rgb (cr, 0, 0, 1); + draw_bbox (cr, path_x0, path_y0, path_x1, path_y1); + } cairo_restore (cr); + + cairo_translate (cr, -130 - 65, 130); + + cairo_new_path (cr); + cairo_move_to (cr, + knots[3].a.x, knots[3].a.y); + cairo_curve_to (cr, + knots[3].b.x, knots[3].b.y, + knots[3].c.x, knots[3].c.y, + knots[3].d.x, knots[3].d.y); + cairo_stroke_extents (cr, &stroke_x0, &stroke_y0, &stroke_x1, &stroke_y1); + cairo_path_extents (cr, &path_x0, &path_y0, &path_x1, &path_y1); + cairo_stroke (cr); + + cairo_save (cr); { + cairo_set_line_width (cr, 1); + cairo_set_source_rgb (cr, 1, 0, 0); + draw_bbox (cr, stroke_x0, stroke_y0, stroke_x1, stroke_y1); + cairo_set_source_rgb (cr, 0, 0, 1); + draw_bbox (cr, path_x0, path_y0, path_x1, path_y1); + } cairo_restore (cr); + + cairo_translate (cr, 130, 0); + + cairo_new_path (cr); + cairo_move_to (cr, + knots[4].a.x, knots[4].a.y); + cairo_curve_to (cr, + knots[4].b.x, knots[4].b.y, + knots[4].c.x, knots[4].c.y, + knots[4].d.x, knots[4].d.y); + cairo_stroke_extents (cr, &stroke_x0, &stroke_y0, &stroke_x1, &stroke_y1); + cairo_path_extents (cr, &path_x0, &path_y0, &path_x1, &path_y1); + cairo_stroke (cr); + + cairo_save (cr); { + cairo_set_line_width (cr, 1); + cairo_set_source_rgb (cr, 1, 0, 0); + draw_bbox (cr, stroke_x0, stroke_y0, stroke_x1, stroke_y1); + cairo_set_source_rgb (cr, 0, 0, 1); + draw_bbox (cr, path_x0, path_y0, path_x1, path_y1); + } cairo_restore (cr); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + +#ifdef REFERENCE + cairo_set_source_rgb (cr, 0, 0, 0); + thick_splines (cr, 5); + + cairo_set_source_rgb (cr, 1, 1, 1); + thin_splines (cr); +#endif + + /* + * Use a high tolerance to reduce dependence upon algorithm used for + * spline decomposition. + */ + cairo_set_tolerance (cr, 0.001); + + cairo_set_line_width (cr, 10); + cairo_set_source_rgb (cr, 0, 0, 0); + stroke_splines (cr); + cairo_set_line_width (cr, 2); + cairo_set_source_rgb (cr, 1, 1, 1); + stroke_splines (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (spline_decomposition, + "Tests splines with various inflection points", + "stroke, spline", /* keywords */ + NULL, /* requirements */ + 390, 260, + NULL, draw) diff --git a/test/stride-12-image.c b/test/stride-12-image.c new file mode 100644 index 000000000..5650e9830 --- /dev/null +++ b/test/stride-12-image.c @@ -0,0 +1,71 @@ +/* + * Copyright 2012 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +static const char *png_filename = "romedalen.png"; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_format_t format = CAIRO_FORMAT_ARGB32; + cairo_t *cr_src; + cairo_surface_t *png, *src; + uint8_t *data; + int stride; + + png = cairo_test_create_surface_from_png (ctx, png_filename); + + stride = cairo_format_stride_for_width (format, width) + 12; + data = xcalloc (stride, height); + src = cairo_image_surface_create_for_data (data, format, + width, height, stride); + + cr_src = cairo_create (src); + cairo_set_source_surface (cr_src, png, 0, 0); + cairo_paint (cr_src); + cairo_destroy (cr_src); + + cairo_set_source_surface (cr, src, 0, 0); + cairo_paint (cr); + + cairo_surface_destroy (png); + + cairo_surface_finish (src); + cairo_surface_destroy (src); + + free (data); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (stride_12_image, + "Test that images with a non-default stride are handled correctly.", + "stride, image", /* keywords */ + NULL, /* requirements */ + 256, 192, + NULL, draw) diff --git a/test/stroke-clipped.c b/test/stroke-clipped.c new file mode 100644 index 000000000..4b8079480 --- /dev/null +++ b/test/stroke-clipped.c @@ -0,0 +1,54 @@ +/* + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "cairo-test.h" + +#define SIZE 200 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int row; + + cairo_set_source_rgb(cr, 1, 1, 1); + cairo_paint(cr); + + cairo_set_source_rgb(cr, 1, 0, 0); + for(row = 0; row < SIZE; row++) { + cairo_rectangle(cr, 0, row, SIZE, 1); + cairo_clip(cr); + + cairo_arc(cr, SIZE/2, SIZE/2, SIZE/2-8, 0, 2*M_PI); + cairo_stroke(cr); + + cairo_reset_clip(cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (stroke_clipped, + "Check that the stroke is accurately drawn through smaller clips", + "stroke", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/stroke-ctm-caps.c b/test/stroke-ctm-caps.c new file mode 100644 index 000000000..1bbee83c6 --- /dev/null +++ b/test/stroke-ctm-caps.c @@ -0,0 +1,78 @@ +/* + * Copyright © 2008 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define SIZE 100 +#define PAD 2 +#define WIDTH (PAD + SIZE + PAD) +#define HEIGHT WIDTH + +/* This test is designed to test that PDF viewers use the correct + * alpha values in an Alpha SMasks. Some viewers use the color values + * instead of the alpha. The test draws a triangle and rectangle in a + * group then draws the group using cairo_mask(). The mask consists of + * a circle with the rgba (0.4, 0.4, 0.4, 0.8) and the background rgba + * (0.8, 0.8, 0.8, 0.4). + */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + /* flip the CTM, which most clearly shows the problem */ + cairo_translate (cr, 0, HEIGHT); + cairo_scale (cr, 1, -1); + + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_set_line_width (cr, 10); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + + cairo_move_to (cr, 20, 20); + cairo_line_to (cr, 20, 70); + cairo_stroke (cr); + + cairo_move_to (cr, 40, 20); + cairo_line_to (cr, 70, 70); + cairo_stroke (cr); + + cairo_move_to (cr, 60, 20); + cairo_line_to (cr, 90, 20); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (stroke_ctm_caps, + "Test that the stroker correctly passes the device-space vector to the stroker for endcaps", + "stroke, transform", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/stroke-image.c b/test/stroke-image.c new file mode 100644 index 000000000..17e6653ff --- /dev/null +++ b/test/stroke-image.c @@ -0,0 +1,73 @@ +/* + * Copyright © 2006 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" + +#define PAD 10 +#define SIZE 100 +#define IMAGE_SIZE (SIZE-PAD*2) +#define LINE_WIDTH 10 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *image; + cairo_t *cr_image; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, IMAGE_SIZE, IMAGE_SIZE); + cr_image = cairo_create (image); + cairo_surface_destroy (image); + + /* Create the image */ + cairo_set_source_rgb (cr_image, 0, 0, 0); + cairo_paint (cr_image); + cairo_set_source_rgb (cr_image, 0, 1, 0); + cairo_set_line_width (cr_image, LINE_WIDTH); + cairo_arc (cr_image, IMAGE_SIZE/2, IMAGE_SIZE/2, IMAGE_SIZE/2 - LINE_WIDTH/2, 0, M_PI * 2.0); + cairo_stroke (cr_image); + + /* Now stroke with it */ + cairo_translate (cr, PAD, PAD); + + cairo_set_source_surface (cr, cairo_get_target (cr_image), 0, 0); + cairo_destroy (cr_image); + + cairo_new_path (cr); + cairo_set_line_width (cr, LINE_WIDTH); + cairo_arc (cr, IMAGE_SIZE/2, IMAGE_SIZE/2, IMAGE_SIZE/2 - LINE_WIDTH/2, 0, M_PI * 2.0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (stroke_image, + "Test stroking with an image source, with a non-identity CTM", + "stroke, image, transform", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/stroke-open-box.c b/test/stroke-open-box.c new file mode 100644 index 000000000..b1dae5090 --- /dev/null +++ b/test/stroke-open-box.c @@ -0,0 +1,51 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Simon Kellner + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Simon Kellner <kellner@kit.edu> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_move_to (cr, 5, 7); + cairo_rel_line_to (cr, 20, 0); + cairo_rel_line_to (cr, 0, 15); + cairo_rel_line_to (cr, -20, 0); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (stroke_open_box, + "Tests stroking of a 3-sided box", + "stroke,box", /* keywords */ + NULL, /* requirements */ + 30, 32, + NULL, draw) diff --git a/test/stroke-pattern.c b/test/stroke-pattern.c new file mode 100644 index 000000000..01e10195d --- /dev/null +++ b/test/stroke-pattern.c @@ -0,0 +1,68 @@ +/* + * Copyright © 2011 Adrian Johnson + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#define IMAGE_WIDTH 80 +#define IMAGE_HEIGHT 80 + + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *pattern; + + cairo_test_paint_checkered (cr); + + cairo_scale (cr, 0.3, 0.3); + cairo_translate (cr, 50, 50); + + pattern = cairo_pattern_create_linear (70, 100, 130, 100); + cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 0, 0, 1.0); + cairo_pattern_add_color_stop_rgba (pattern, 1, 0, 1, 0, 0.5); + + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_PAD); + cairo_set_source (cr, pattern); + + cairo_move_to(cr, 20, 20); + cairo_curve_to(cr, + 130, 0, + 70, 200, + 180, 180); + cairo_set_line_width (cr, 20); + cairo_stroke (cr); + + cairo_pattern_destroy (pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (stroke_pattern, + "Patterned stroke", + "stroke, pattern", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/subsurface-image-repeat.c b/test/subsurface-image-repeat.c new file mode 100644 index 000000000..c741944fb --- /dev/null +++ b/test/subsurface-image-repeat.c @@ -0,0 +1,70 @@ +/* + * Copyright 2009 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static const char *png_filename = "romedalen.png"; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *image, *region; + cairo_t *cr_region; + + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + /* fill the centre */ + region = cairo_surface_create_for_rectangle (cairo_get_target (cr), + 20, 20, 20, 20); + cr_region = cairo_create (region); + cairo_surface_destroy (region); + + image = cairo_test_create_surface_from_png (ctx, png_filename); + cairo_set_source_surface (cr_region, image, + 10 - cairo_image_surface_get_width (image)/2, + 10 - cairo_image_surface_get_height (image)/2); + cairo_paint (cr_region); + cairo_surface_destroy (image); + + cairo_set_source_surface (cr, cairo_get_target (cr_region), 20, 20); + cairo_destroy (cr_region); + + /* repeat the pattern around the outside, but do not overwrite...*/ + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_rectangle (cr, 0, 0, width, height); + cairo_rectangle (cr, 20, 40, 20, -20); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (subsurface_image_repeat, + "Tests source (image) clipping with repeat", + "subsurface, image, repeat", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/subsurface-modify-child.c b/test/subsurface-modify-child.c new file mode 100644 index 000000000..ed9435616 --- /dev/null +++ b/test/subsurface-modify-child.c @@ -0,0 +1,98 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *region, *similar; + cairo_t *cr_region, *cr_similar; + + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + similar = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + 20, 20); + + /* copy the centre */ + cr_similar = cairo_create (similar); + cairo_surface_destroy (similar); + cairo_set_source_surface (cr_similar, cairo_get_target (cr), -20, -20); + cairo_paint (cr_similar); + similar = cairo_surface_reference (cairo_get_target (cr_similar)); + cairo_destroy (cr_similar); + + /* fill the centre */ + region = cairo_surface_create_for_rectangle (cairo_get_target (cr), + 20, 20, 20, 20); + cr_region = cairo_create (region); + cairo_surface_destroy (region); + + cairo_set_source_rgb (cr_region, 1, 1, 1); + cairo_rectangle (cr_region, 0, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 1, 0, 0); + cairo_rectangle (cr_region, 10, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 1, 0); + cairo_rectangle (cr_region, 0, 10, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 0, 1); + cairo_rectangle (cr_region, 10, 10, 10, 10); + cairo_fill (cr_region); + + cairo_destroy (cr_region); + + /* copy the centre, again */ + cr_similar = cairo_create (similar); + cairo_surface_destroy (similar); + cairo_set_source_surface (cr_similar, cairo_get_target (cr), -20, -20); + cairo_paint (cr_similar); + similar = cairo_surface_reference (cairo_get_target (cr_similar)); + cairo_destroy (cr_similar); + + /* repeat the pattern around the outside, but do not overwrite...*/ + cairo_set_source_surface (cr, similar, 20, 20); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_rectangle (cr, 0, 0, width, height); + cairo_rectangle (cr, 20, 40, 20, -20); + cairo_fill (cr); + + cairo_surface_destroy (similar); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (subsurface_modify_child, + "Tests source clipping with later modifications", + "subsurface", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/subsurface-modify-parent.c b/test/subsurface-modify-parent.c new file mode 100644 index 000000000..de16e7530 --- /dev/null +++ b/test/subsurface-modify-parent.c @@ -0,0 +1,78 @@ +/* + * Copyright 2010 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *region; + + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + /* fill the centre, but through the *original* surface */ + region = cairo_surface_create_for_rectangle (cairo_get_target (cr), + 20, 20, 20, 20); + + /* first trigger a snapshot of the region... */ + cairo_set_source_surface (cr, region, 20, 20); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_rectangle (cr, 20, 20, 10, 10); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_rectangle (cr, 30, 20, 10, 10); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, 20, 30, 10, 10); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_rectangle (cr, 30, 30, 10, 10); + cairo_fill (cr); + + cairo_set_source_surface (cr, region, 20, 20); + cairo_surface_destroy (region); + + /* repeat the pattern around the outside, but do not overwrite...*/ + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_rectangle (cr, 0, 0, width, height); + cairo_rectangle (cr, 20, 40, 20, -20); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (subsurface_modify_parent, + "Tests source clipping with later modifications", + "subsurface", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/subsurface-outside-target.c b/test/subsurface-outside-target.c new file mode 100644 index 000000000..ef91a2e1c --- /dev/null +++ b/test/subsurface-outside-target.c @@ -0,0 +1,177 @@ +/* + * Copyright 2010 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" + +#define TARGET_SIZE 10 + +#define SUB_SIZE 15 +#define SUB_OFFSET -5 + +#define PAINT_OFFSET SUB_SIZE +#define PAINT_SIZE (3 * SUB_SIZE) + +static cairo_content_t contents[] = { CAIRO_CONTENT_ALPHA, + CAIRO_CONTENT_COLOR, + CAIRO_CONTENT_COLOR_ALPHA }; + +#define N_CONTENTS ARRAY_LENGTH (contents) +#define N_PADS (CAIRO_EXTEND_PAD + 1) + + +static cairo_surface_t * +create_target (cairo_surface_t *similar_to, + cairo_content_t content) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_surface_create_similar (similar_to, + content, + TARGET_SIZE, TARGET_SIZE); + + cr = cairo_create (surface); + cairo_test_paint_checkered (cr); + cairo_destroy (cr); + + return surface; +} + +static cairo_test_status_t +check_surface_extents (const cairo_test_context_t *ctx, + cairo_surface_t * surface, + double x, + double y, + double width, + double height) +{ + double x1, y1, x2, y2; + cairo_t *cr; + + cr = cairo_create (surface); + cairo_clip_extents (cr, &x1, &y1, &x2, &y2); + cairo_destroy (cr); + + if (x != x1 || + y != y1 || + width != x2 - x1 || + height != y2 - y1) { + cairo_test_log (ctx, + "surface extents should be (%g, %g, %g, %g), but are (%g, %g, %g, %g)\n", + x, y, width, height, + x1, y1, x2 - x1, y2 - y1); + return CAIRO_TEST_FAILURE; + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_for_size (cairo_t *cr, + double x, + double y) +{ + cairo_surface_t *target, *subsurface; + cairo_extend_t extend; + cairo_test_status_t check, result = CAIRO_TEST_SUCCESS; + unsigned int content; + + for (content = 0; content < N_CONTENTS; content++) { + cairo_save (cr); + + /* create a target surface for our subsurface */ + target = create_target (cairo_get_target (cr), + contents[content]); + + /* create a subsurface that extends the target surface */ + subsurface = cairo_surface_create_for_rectangle (target, + x, y, + SUB_SIZE, SUB_SIZE); + + /* ensure the extents are ok */ + check = check_surface_extents (cairo_test_get_context (cr), + subsurface, + 0, 0, + SUB_SIZE, SUB_SIZE); + if (result == CAIRO_TEST_SUCCESS) + result = check; + + /* paint this surface with all extend modes. */ + for (extend = 0; extend < N_PADS; extend++) { + cairo_save (cr); + + cairo_rectangle (cr, 0, 0, PAINT_SIZE, PAINT_SIZE); + cairo_clip (cr); + + cairo_set_source_surface (cr, subsurface, PAINT_OFFSET, PAINT_OFFSET); + cairo_pattern_set_extend (cairo_get_source (cr), extend); + cairo_paint (cr); + + cairo_restore (cr); + + cairo_translate (cr, PAINT_SIZE + TARGET_SIZE, 0); + } + + cairo_surface_destroy (subsurface); + cairo_surface_destroy (target); + + cairo_restore (cr); + + cairo_translate (cr, 0, PAINT_SIZE + TARGET_SIZE); + } + + return result; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_test_status_t check, result = CAIRO_TEST_SUCCESS; + + /* paint background in nice gray */ + cairo_set_source_rgb (cr, 0.51613, 0.55555, 0.51613); + cairo_paint (cr); + + /* Use CAIRO_OPERATOR_SOURCE in the tests so we get the actual + * contents of the subsurface */ + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + + result = draw_for_size (cr, SUB_OFFSET, SUB_OFFSET); + + check = draw_for_size (cr, 0, 0); + if (result == CAIRO_TEST_SUCCESS) + result = check; + + return result; +} + +CAIRO_TEST (subsurface_outside_target, + "Tests contents of subsurfaces outside target area", + "subsurface, pad", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + (PAINT_SIZE + TARGET_SIZE) * N_PADS - TARGET_SIZE, + (PAINT_SIZE + TARGET_SIZE) * N_CONTENTS * 2 - TARGET_SIZE, + NULL, draw) diff --git a/test/subsurface-pad.c b/test/subsurface-pad.c new file mode 100644 index 000000000..1ac7a0e39 --- /dev/null +++ b/test/subsurface-pad.c @@ -0,0 +1,76 @@ +/* + * Copyright 2009 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *region; + cairo_t *cr_region; + + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + /* fill the centre */ + region = cairo_surface_create_for_rectangle (cairo_get_target (cr), + 20, 20, 20, 20); + cr_region = cairo_create (region); + cairo_surface_destroy (region); + + cairo_set_source_rgb (cr_region, 1, 1, 1); + cairo_rectangle (cr_region, 0, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 1, 0, 0); + cairo_rectangle (cr_region, 10, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 1, 0); + cairo_rectangle (cr_region, 0, 10, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 0, 1); + cairo_rectangle (cr_region, 10, 10, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_surface (cr, cairo_get_target (cr_region), 20, 20); + cairo_destroy (cr_region); + + /* reflect the pattern around the outside, but do not overwrite...*/ + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD); + cairo_rectangle (cr, 0, 0, width, height); + cairo_rectangle (cr, 20, 40, 20, -20); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (subsurface_pad, + "Tests source clipping with pad", + "subsurface, pad", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/subsurface-reflect.c b/test/subsurface-reflect.c new file mode 100644 index 000000000..517106df1 --- /dev/null +++ b/test/subsurface-reflect.c @@ -0,0 +1,76 @@ +/* + * Copyright 2009 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *region; + cairo_t *cr_region; + + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + /* fill the centre */ + region = cairo_surface_create_for_rectangle (cairo_get_target (cr), + 20, 20, 20, 20); + cr_region = cairo_create (region); + cairo_surface_destroy (region); + + cairo_set_source_rgb (cr_region, 1, 1, 1); + cairo_rectangle (cr_region, 0, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 1, 0, 0); + cairo_rectangle (cr_region, 10, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 1, 0); + cairo_rectangle (cr_region, 0, 10, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 0, 1); + cairo_rectangle (cr_region, 10, 10, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_surface (cr, cairo_get_target (cr_region), 20, 20); + cairo_destroy (cr_region); + + /* reflect the pattern around the outside, but do not overwrite...*/ + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REFLECT); + cairo_rectangle (cr, 0, 0, width, height); + cairo_rectangle (cr, 20, 40, 20, -20); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (subsurface_reflect, + "Tests source clipping with reflect", + "subsurface, reflect", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/subsurface-repeat.c b/test/subsurface-repeat.c new file mode 100644 index 000000000..596b97338 --- /dev/null +++ b/test/subsurface-repeat.c @@ -0,0 +1,76 @@ +/* + * Copyright 2009 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *region; + cairo_t *cr_region; + + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + /* fill the centre */ + region = cairo_surface_create_for_rectangle (cairo_get_target (cr), + 20, 20, 20, 20); + cr_region = cairo_create (region); + cairo_surface_destroy (region); + + cairo_set_source_rgb (cr_region, 1, 1, 1); + cairo_rectangle (cr_region, 0, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 1, 0, 0); + cairo_rectangle (cr_region, 10, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 1, 0); + cairo_rectangle (cr_region, 0, 10, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 0, 1); + cairo_rectangle (cr_region, 10, 10, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_surface (cr, cairo_get_target (cr_region), 20, 20); + cairo_destroy (cr_region); + + /* repeat the pattern around the outside, but do not overwrite...*/ + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_rectangle (cr, 0, 0, width, height); + cairo_rectangle (cr, 20, 40, 20, -20); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (subsurface_repeat, + "Tests source clipping with repeat", + "subsurface, repeat", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/subsurface-scale.c b/test/subsurface-scale.c new file mode 100644 index 000000000..9ffd2c422 --- /dev/null +++ b/test/subsurface-scale.c @@ -0,0 +1,93 @@ +/* + * Copyright 2009 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *region[5]; + const char *text = "Cairo"; + int i; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_rectangle (cr, 0, 20, 200, 60); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + + for (i = 0; i < 5; i++) { + cairo_t *cr_region; + cairo_text_extents_t extents; + char buf[2] = { text[i], '\0' }; + + region[i] = cairo_surface_create_for_rectangle (cairo_get_target (cr), + 20 * i, 0, 20, 20); + + cr_region = cairo_create (region[i]); + cairo_surface_destroy (region[i]); + + cairo_select_font_face (cr_region, "@cairo:", + CAIRO_FONT_WEIGHT_NORMAL, + CAIRO_FONT_SLANT_NORMAL); + cairo_set_font_size (cr_region, 20); + cairo_text_extents (cr_region, buf, &extents); + cairo_move_to (cr_region, + 10 - (extents.width/2 + extents.x_bearing), + 10 - (extents.height/2 + extents.y_bearing)); + cairo_show_text (cr_region, buf); + + region[i] = cairo_surface_reference (cairo_get_target (cr_region)); + cairo_destroy (cr_region); + } + + cairo_scale (cr, 2, 2); + for (i = 0; i < 5; i++) { + cairo_set_source_surface (cr, region[5-i-1], 20 * i, 20); + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_PAD); + cairo_rectangle (cr, 20*i, 20, 20, 20); + cairo_fill (cr); + } + + for (i = 0; i < 5; i++) { + cairo_set_source_surface (cr, region[5-i-1], 20 * i, 40); + cairo_paint_with_alpha (cr, .5); + } + + for (i = 0; i < 5; i++) + cairo_surface_destroy (region[i]); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (subsurface_scale, + "Tests clipping of both source and destination using subsurfaces", + "subsurface", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + 200, 120, + NULL, draw) diff --git a/test/subsurface-similar-repeat.c b/test/subsurface-similar-repeat.c new file mode 100644 index 000000000..011f876e6 --- /dev/null +++ b/test/subsurface-similar-repeat.c @@ -0,0 +1,86 @@ +/* + * Copyright 2009 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *similar; + cairo_surface_t *region; + cairo_t *cr_region; + + cairo_set_source_rgb (cr, .5, .5, .5); + cairo_paint (cr); + + similar = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR, + 60, 60); + cr_region = cairo_create (similar); + cairo_surface_destroy (similar); + + cairo_set_source_rgb (cr_region, .5, .5, .0); + cairo_paint (cr_region); + similar = cairo_surface_reference (cairo_get_target (cr_region)); + cairo_destroy (cr_region); + + /* fill the centre */ + region = cairo_surface_create_for_rectangle (similar, 20, 20, 20, 20); + cairo_surface_destroy (similar); + + cr_region = cairo_create (region); + cairo_surface_destroy (region); + + cairo_set_source_rgb (cr_region, 1, 1, 1); + cairo_rectangle (cr_region, 0, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 1, 0, 0); + cairo_rectangle (cr_region, 10, 0, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 1, 0); + cairo_rectangle (cr_region, 0, 10, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_rgb (cr_region, 0, 0, 1); + cairo_rectangle (cr_region, 10, 10, 10, 10); + cairo_fill (cr_region); + + cairo_set_source_surface (cr, cairo_get_target (cr_region), 20, 20); + cairo_destroy (cr_region); + + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (subsurface_similar_repeat, + "Tests source clipping through an intermediate with repeat", + "subsurface, repeat", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + 60, 60, + NULL, draw) diff --git a/test/subsurface.c b/test/subsurface.c new file mode 100644 index 000000000..812776c0a --- /dev/null +++ b/test/subsurface.c @@ -0,0 +1,85 @@ +/* + * Copyright 2009 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Intel not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Intel makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *region[5]; + const char *text = "Cairo"; + int i; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + for (i = 0; i < 5; i++) { + cairo_t *cr_region; + cairo_text_extents_t extents; + char buf[2] = { text[i], '\0' }; + + region[i] = cairo_surface_create_for_rectangle (cairo_get_target (cr), + 20 * i, 0, 20, 20); + + cr_region = cairo_create (region[i]); + cairo_surface_destroy (region[i]); + + cairo_select_font_face (cr_region, "@cairo:", + CAIRO_FONT_WEIGHT_NORMAL, + CAIRO_FONT_SLANT_NORMAL); + cairo_set_font_size (cr_region, 20); + cairo_text_extents (cr_region, buf, &extents); + cairo_move_to (cr_region, + 10 - (extents.width/2 + extents.x_bearing), + 10 - (extents.height/2 + extents.y_bearing)); + cairo_show_text (cr_region, buf); + + region[i] = cairo_surface_reference (cairo_get_target (cr_region)); + cairo_destroy (cr_region); + } + + for (i = 0; i < 5; i++) { + cairo_set_source_surface (cr, region[5-i-1], 20 * i, 20); + cairo_paint (cr); + } + + for (i = 0; i < 5; i++) { + cairo_set_source_surface (cr, region[5-i-1], 20 * i, 40); + cairo_paint_with_alpha (cr, .5); + } + + for (i = 0; i < 5; i++) + cairo_surface_destroy (region[i]); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (subsurface, + "Tests clipping of both source and destination using subsurfaces", + "subsurface", /* keywords */ + "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */ + 100, 60, + NULL, draw) diff --git a/test/surface-finish-twice.c b/test/surface-finish-twice.c new file mode 100644 index 000000000..f63b50175 --- /dev/null +++ b/test/surface-finish-twice.c @@ -0,0 +1,79 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl Worth <cworth@cworth.org> + */ + +/* Bug history + * + * 2005-04-10 stevech1097@yahoo.com.au + * + * Subject: [Bug 2950] New: *** glibc detected *** double free or corruption + * URL: https://bugs.freedesktop.org/show_bug.cgi?id=2950 + * + * The following short program gives the error message: + * + * *** glibc detected *** double free or corruption: 0x082a7268 *** + * Aborted + * + * 2005-04-13 Carl Worth <cworth@cworth.org> + * + * Looks like surface->finished was never being set. Now fixed. + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_surface_t *surface; + cairo_status_t status; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1); + + cairo_surface_finish (surface); + status = cairo_surface_status (surface); + if (status != CAIRO_STATUS_SUCCESS) + return cairo_test_status_from_status (ctx, status); + + cairo_surface_finish (surface); + status = cairo_surface_status (surface); + if (status != CAIRO_STATUS_SUCCESS) + return cairo_test_status_from_status (ctx, status); + + cairo_surface_finish (surface); + status = cairo_surface_status (surface); + if (status != CAIRO_STATUS_SUCCESS) + return cairo_test_status_from_status (ctx, status); + + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (surface_finish_twice, + "Test to exercise a crash when calling cairo_surface_finish twice on the same surface.", + "api", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/surface-pattern-big-scale-down.c b/test/surface-pattern-big-scale-down.c new file mode 100644 index 000000000..698accb6f --- /dev/null +++ b/test/surface-pattern-big-scale-down.c @@ -0,0 +1,125 @@ +/* + * Copyright © 2006 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" + +#define SRC_WIDTH 2048 +#define SRC_HEIGHT 32 + +static cairo_surface_t * +create_source_surface (int w, int h) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SRC_WIDTH, SRC_HEIGHT); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + cairo_rectangle (cr, 0, 0, w/2, h/2); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); + cairo_rectangle (cr, w/2, 0, w/2, h/2); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); + cairo_rectangle (cr, 0, h/2, w/2, h/2); + cairo_fill (cr); + + cairo_set_source_rgb (cr, 1.0, 1.0, 0.0); + cairo_rectangle (cr, w/2, h/2, w/2, h/2); + cairo_fill (cr); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static void +draw_n (cairo_t *cr, cairo_pattern_t *pat, double dest_size, int n) +{ + cairo_matrix_t mat; + + cairo_matrix_init_scale (&mat, SRC_WIDTH / dest_size, SRC_HEIGHT / dest_size); + cairo_matrix_translate (&mat, n * -dest_size, 0.0); + cairo_pattern_set_matrix (pat, &mat); + + cairo_set_source (cr, pat); + cairo_new_path (cr); + cairo_rectangle (cr, n * dest_size, 0.0, dest_size, dest_size); + cairo_fill (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_pattern_t *pat; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + surface = create_source_surface (SRC_WIDTH, SRC_HEIGHT); + + pat = cairo_pattern_create_for_surface (surface); + cairo_surface_destroy (surface); + + /* We want to draw at a position such that n * SRC_WIDTH * (SRC_WIDTH/16.0) > 32768. + * x = n * 16. + * + * To show the bug, we want to draw on either side of the boundary; + * in our case here, n = 16 results in 32768, and n = 17 results in > 32768. + * + * Drawing at 16 and 17 is sufficient to show the problem. + */ + +#if 1 + /* n = 16 */ + draw_n (cr, pat, 16.0, 16); + + /* n = 17 */ + draw_n (cr, pat, 16.0, 17); +#else + { + int n; + for (n = 0; n < 32; n++) + draw_n (cr, pat, 16.0, n); + } +#endif + + cairo_pattern_destroy (pat); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (surface_pattern_big_scale_down, + "Test scaled-down transformed not-repeated surface patterns with large images and offsets", + "transform", /* keywords */ + NULL, /* requirements */ + 512, 16, + NULL, draw) diff --git a/test/surface-pattern-operator.c b/test/surface-pattern-operator.c new file mode 100644 index 000000000..994baf92e --- /dev/null +++ b/test/surface-pattern-operator.c @@ -0,0 +1,119 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2009 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define N_OPERATORS (CAIRO_OPERATOR_SATURATE + 1) +#define HEIGHT 16 +#define WIDTH 16 +#define PAD 3 + +static cairo_pattern_t* +_create_pattern (cairo_surface_t *target, cairo_content_t content, int width, int height) +{ + cairo_pattern_t *pattern; + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_surface_create_similar (target, content, width, height); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_arc (cr, 0.5 * width, 0.5 * height, 0.45 * height, -M_PI / 4, 3 * M_PI / 4); + cairo_fill (cr); + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy (cr); + + return pattern; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *alpha_pattern, *color_alpha_pattern, *pattern; + unsigned int n, i; + + alpha_pattern = _create_pattern (cairo_get_target (cr), + CAIRO_CONTENT_ALPHA, + 0.9 * WIDTH, 0.9 * HEIGHT); + color_alpha_pattern = _create_pattern (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + 0.9 * WIDTH, 0.9 * HEIGHT); + + pattern = cairo_pattern_create_linear (WIDTH, 0, 0, HEIGHT); + cairo_pattern_add_color_stop_rgba (pattern, 0.2, 0, 0, 1, 1); + cairo_pattern_add_color_stop_rgba (pattern, 0.8, 0, 0, 1, 0); + + cairo_translate (cr, PAD, PAD); + + for (n = 0; n < N_OPERATORS; n++) { + cairo_save (cr); + for (i = 0; i < 4; i++) { + cairo_reset_clip (cr); + cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT); + cairo_clip (cr); + + cairo_set_source (cr, pattern); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + if (i & 2) { + cairo_paint (cr); + } else { + cairo_rectangle (cr, WIDTH/2, HEIGHT/2, WIDTH, HEIGHT); + cairo_fill (cr); + } + + cairo_set_source (cr, i & 1 ? alpha_pattern : color_alpha_pattern); + cairo_set_operator (cr, n); + if (i & 2) { + cairo_paint (cr); + } else { + cairo_rectangle (cr, WIDTH/2, HEIGHT/2, WIDTH, HEIGHT); + cairo_fill (cr); + } + + cairo_translate (cr, 0, HEIGHT+PAD); + } + cairo_restore (cr); + + cairo_translate (cr, WIDTH+PAD, 0); + } + + cairo_pattern_destroy (pattern); + cairo_pattern_destroy (alpha_pattern); + cairo_pattern_destroy (color_alpha_pattern); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (surface_pattern_operator, + "Tests alpha-only and alpha-color sources with all operators", + "surface, pattern, operator", /* keywords */ + NULL, /* requirements */ + (WIDTH+PAD) * N_OPERATORS + PAD, 4*HEIGHT + 5*PAD, + NULL, draw) diff --git a/test/surface-pattern-scale-down-extend.c b/test/surface-pattern-scale-down-extend.c new file mode 100644 index 000000000..191ab927f --- /dev/null +++ b/test/surface-pattern-scale-down-extend.c @@ -0,0 +1,120 @@ +/* + * Copyright © 2010 M Joonas Pihlaja + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi> + */ +#include "cairo-test.h" + +/* Test that we can simultaneously downscale and extend a surface + * pattern. Reported by Franz Schmid to the cairo mailing list as a + * regression in 1.9.6: + * + * http://lists.cairographics.org/archives/cairo/2010-February/019492.html + */ + +static cairo_test_status_t +draw_with_extend (cairo_t *cr, int w, int h, cairo_extend_t extend) +{ + cairo_pattern_t *pattern; + cairo_set_source_rgb (cr, 1,1,1); + cairo_paint (cr); + + cairo_save (cr); + + /* When the destination surface is created by cairo-test-suite to + * test device-offset, it is bigger than w x h. This test expects + * the group to have a size which is exactly w x h, so it must + * clip to the this rectangle to guarantee that the group will + * have the correct size. + */ + cairo_rectangle (cr, 0, 0, w, h); + cairo_clip (cr); + + cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR); { + /* A two by two checkerboard with black, red and yellow + * cells. */ + cairo_set_source_rgb (cr, 1,0,0); + cairo_rectangle (cr, w/2, 0, w-w/2, h/2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 1,1,0); + cairo_rectangle (cr, 0, h/2, w/2, h-h/2); + cairo_fill (cr); + } + pattern = cairo_pop_group (cr); + cairo_pattern_set_extend(pattern, extend); + + cairo_restore (cr); + + cairo_scale (cr, 0.5, 0.5); + cairo_set_source (cr, pattern); + cairo_paint (cr); + + cairo_pattern_destroy (pattern); + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_repeat (cairo_t *cr, int w, int h) +{ + return draw_with_extend (cr, w, h, CAIRO_EXTEND_REPEAT); +} +static cairo_test_status_t +draw_none (cairo_t *cr, int w, int h) +{ + return draw_with_extend (cr, w, h, CAIRO_EXTEND_NONE); +} +static cairo_test_status_t +draw_reflect (cairo_t *cr, int w, int h) +{ + return draw_with_extend (cr, w, h, CAIRO_EXTEND_REFLECT); +} +static cairo_test_status_t +draw_pad (cairo_t *cr, int w, int h) +{ + return draw_with_extend (cr, w, h, CAIRO_EXTEND_PAD); +} + +CAIRO_TEST (surface_pattern_scale_down_extend_repeat, + "Test interaction of downscaling a surface pattern and extend-repeat", + "pattern, transform, extend", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, draw_repeat) +CAIRO_TEST (surface_pattern_scale_down_extend_none, + "Test interaction of downscaling a surface pattern and extend-none", + "pattern, transform, extend", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, draw_none) +CAIRO_TEST (surface_pattern_scale_down_extend_reflect, + "Test interaction of downscaling a surface pattern and extend-reflect", + "pattern, transform, extend", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, draw_reflect) +CAIRO_TEST (surface_pattern_scale_down_extend_pad, + "Test interaction of downscaling a surface pattern and extend-pad", + "pattern, transform, extend", /* keywords */ + NULL, /* requirements */ + 100, 100, + NULL, draw_pad) diff --git a/test/surface-pattern-scale-down.c b/test/surface-pattern-scale-down.c new file mode 100644 index 000000000..95782efb1 --- /dev/null +++ b/test/surface-pattern-scale-down.c @@ -0,0 +1,88 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Behdad Esfahbod <behdad@behdad.org> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 200 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_t * cr_surface; + int surface_size = 300; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + /* Create an image surface with my favorite four colors in each + * quadrant. */ + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + surface_size, surface_size); + cr_surface = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr_surface, 1, 1, 1); + cairo_rectangle (cr_surface, + 0, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 1, 0, 0); + cairo_rectangle (cr_surface, + surface_size / 2, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 1, 0); + cairo_rectangle (cr_surface, + 0, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 0, 1); + cairo_rectangle (cr_surface, + surface_size / 2, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + + cairo_scale (cr, 0.2, 0.2); + cairo_rotate (cr, 1.); + cairo_set_source_surface (cr, cairo_get_target (cr_surface), 225, -225); + cairo_destroy (cr_surface); + + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (surface_pattern_scale_down, + "Test scaled-down transformed not-repeated surface patterns" + "\nFails xlib backend (with argb32) with inexplicable alpha in result", + "transform", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/surface-pattern-scale-up.c b/test/surface-pattern-scale-up.c new file mode 100644 index 000000000..0d71ba150 --- /dev/null +++ b/test/surface-pattern-scale-up.c @@ -0,0 +1,93 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Behdad Esfahbod <behdad@behdad.org> + */ + +/* Exhibits nasty behaviour with GS due as their /Interpolate implementation + * does not function for rotated images. */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 100 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_t * cr_surface; + int surface_size = 6; + + /* Fill the background with grey, so that it's easily visible when + * things get overdrawn */ + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + + /* Create an image surface with my favorite four colors in each + * quadrant. */ + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + surface_size, surface_size); + cr_surface = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr_surface, 1, 1, 1); + cairo_rectangle (cr_surface, + 0, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 1, 0, 0); + cairo_rectangle (cr_surface, + surface_size / 2, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 1, 0); + cairo_rectangle (cr_surface, + 0, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 0, 1); + cairo_rectangle (cr_surface, + surface_size / 2, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + + cairo_scale (cr, 10, 10); + cairo_rotate (cr, 1.); + cairo_set_source_surface (cr, cairo_get_target (cr_surface), 4, -4.5); + cairo_destroy (cr_surface); + + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (surface_pattern_scale_up, + "Test scaled-up transformed not-repeated surface patterns" + "\nFails xlib backend (with argb32) with inexplicable alpha in result", + "transform", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/surface-pattern.c b/test/surface-pattern.c new file mode 100644 index 000000000..725f68d00 --- /dev/null +++ b/test/surface-pattern.c @@ -0,0 +1,90 @@ +/* + * Copyright © 2007 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Behdad Esfahbod <behdad@behdad.org> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define SIZE 140 +/* Note GhostScript does not support /Interpolate on rotated images, so the PS + * output looks terrible, but is a known issue. */ + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_t * cr_surface; + int surface_size = 6; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + /* Create an image surface with my favorite four colors in each + * quadrant. */ + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, + surface_size, surface_size); + cr_surface = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr_surface, 1, 1, 1); + cairo_rectangle (cr_surface, + 0, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 1, 0, 0); + cairo_rectangle (cr_surface, + surface_size / 2, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 1, 0); + cairo_rectangle (cr_surface, + 0, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + cairo_set_source_rgb (cr_surface, 0, 0, 1); + cairo_rectangle (cr_surface, + surface_size / 2, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr_surface); + + cairo_scale (cr, 10, 10); + cairo_rotate (cr, 1.); + cairo_set_source_surface (cr, cairo_get_target (cr_surface), 1.5, 1.5); + cairo_destroy (cr_surface); + + cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (surface_pattern, + "Test transformed repeated surface patterns" + "\nExhibiting a strange (very minor) failure in ps backend with device-offset", + "transform", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/surface-source.c b/test/surface-source.c new file mode 100644 index 000000000..657a0c88e --- /dev/null +++ b/test/surface-source.c @@ -0,0 +1,170 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_surface_t *create_source_surface (int size); + +/* We use a relatively large source to exercise bug: + * Bug 7360 painting huge surfaces fails + * [https://bugs.freedesktop.org/show_bug.cgi?id=7360] + * but still keep the resultant image small for reasonably quick checking. + */ +#define SOURCE_SIZE 2000 +#define INTER_SIZE 512 +#define SIZE 96 + +static void +draw_pattern (cairo_surface_t **surface_inout, int surface_size) +{ + cairo_t *cr; + int mid = surface_size/2; + + cr = cairo_create (*surface_inout); + cairo_surface_destroy (*surface_inout); + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba (cr, 0, 0, 0, 0); + cairo_paint (cr); + + cairo_rectangle (cr, 0, 0, surface_size, surface_size); + cairo_rectangle (cr, mid - SIZE/4, mid + SIZE/4, SIZE/2, -SIZE/2); + cairo_clip (cr); + + /* outside squares -> opaque */ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_rectangle (cr, + 0, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_rectangle (cr, + surface_size / 2, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_rectangle (cr, + 0, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_rectangle (cr, + surface_size / 2, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr); + + cairo_reset_clip (cr); + cairo_rectangle (cr, mid - SIZE/4, mid - SIZE/4, SIZE/2, SIZE/2); + cairo_clip (cr); + + /* inside squares -> translucent */ + cairo_set_source_rgba (cr, 0, 0, 1, .5); + cairo_rectangle (cr, + 0, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr); + cairo_set_source_rgba (cr, 0, 1, 0, .5); + cairo_rectangle (cr, + surface_size / 2, 0, + surface_size / 2, surface_size / 2); + cairo_fill (cr); + cairo_set_source_rgba (cr, 1, 0, 0, .5); + cairo_rectangle (cr, + 0, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr); + cairo_set_source_rgba (cr, 1, 1, 1, .5); + cairo_rectangle (cr, + surface_size / 2, surface_size / 2, + surface_size / 2, surface_size / 2); + cairo_fill (cr); + + + *surface_inout = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_surface_t *similar; + cairo_status_t status; + cairo_t *cr2; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + surface = create_source_surface (SOURCE_SIZE); + if (surface == NULL) /* can't create the source so skip the test */ + return CAIRO_TEST_UNTESTED; + + draw_pattern (&surface, SOURCE_SIZE); + + /* copy a subregion to a smaller intermediate surface */ + similar = cairo_surface_create_similar (surface, + CAIRO_CONTENT_COLOR_ALPHA, + INTER_SIZE, INTER_SIZE); + cr2 = cairo_create (similar); + cairo_surface_destroy (similar); + cairo_set_source_surface (cr2, surface, + (INTER_SIZE - SOURCE_SIZE)/2, + (INTER_SIZE - SOURCE_SIZE)/2); + cairo_paint (cr2); + + /* and then paint onto a small surface for checking */ + cairo_set_source_surface (cr, cairo_get_target (cr2), + (width - INTER_SIZE)/2, + (height - INTER_SIZE)/2); + cairo_destroy (cr2); + cairo_rectangle (cr, 16, 16, 64, 64); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_fill (cr); + + /* destroy the surface last, as this triggers XCloseDisplay */ + cairo_surface_finish (surface); + status = cairo_surface_status (surface); + cairo_surface_destroy (surface); + + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_surface_t *surface; + cairo_status_t status; + + surface = create_source_surface (SOURCE_SIZE); + if (surface == NULL) /* can't create the source so skip the test */ + return CAIRO_TEST_UNTESTED; + + cairo_surface_finish (surface); + status = cairo_surface_status (surface); + cairo_surface_destroy (surface); + + return cairo_test_status_from_status (ctx, status); +} diff --git a/test/svg-clip.c b/test/svg-clip.c new file mode 100644 index 000000000..dff65f7cc --- /dev/null +++ b/test/svg-clip.c @@ -0,0 +1,152 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + */ + +#include "cairo-test.h" + +#include <stdio.h> + +#include <cairo-svg.h> + +/* Test SVG clipping */ + +#define WIDTH_IN_POINTS 600 +#define HEIGHT_IN_POINTS 600 +#define BASENAME "svg-clip.out" + +static void +test_clip (cairo_t *cr, double width, double height) +{ + cairo_t *cr2; + + /* Basic test; set a square clip and draw a circle to be clipped + * against it.*/ + + cairo_rectangle (cr, 100, 100, 400, 400); + cairo_clip (cr); + cairo_arc (cr, 300, 300, 210, 0, 2 * M_PI); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill (cr); + + /* Add a plus shaped clip path to the square clip and draw a big + * green square to test the new clip path. */ + + cairo_save (cr); + + cairo_rectangle (cr, 250, 100, 100, 400); + cairo_rectangle (cr, 100, 250, 400, 100); + cairo_clip (cr); + + cairo_rectangle (cr, 0, 0, 600, 600); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_fill (cr); + + cairo_restore (cr); + + /* Set a bezier shape in addition to the rectangle clip set before + * the cairo_save() to verify that we successfully removed the + * plus shaped clip path and can set a new clip.*/ + + cairo_move_to (cr, 600, 0); + cairo_curve_to (cr, 300, 600, 0, 300, 600, 0); + cairo_clip (cr); + + cairo_rectangle (cr, 0, 0, 600, 600); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_fill (cr); + + /* Create a new context for this surface to test overlapped + * drawing from two contexts */ + cr2 = cairo_create (cairo_get_group_target (cr)); + + /* Using the new context, draw a black vertical line, which should + * appear unclipped on top of everything drawn so far. */ + cairo_move_to (cr2, 110, 0); + cairo_line_to (cr2, 110, 600); + cairo_stroke (cr2); + + /* Using the first context, draw another black vertical line. + * This line should be clipped agaist the bezier clipping path set + * earlier. */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_move_to (cr, 400, 0); + cairo_line_to (cr, 400, 600); + cairo_stroke (cr); + + cairo_destroy (cr2); + + /* Test reset clip. Draw a transparent black circle over + * everything. Specifically, make sure the circle extends outside + * the square clip set at the top of this function. */ + cairo_reset_clip (cr); + cairo_arc (cr, 300, 300, 220, 0, 2 * M_PI); + cairo_set_source_rgba (cr, 0, 0, 0, 0.2); + cairo_fill (cr); +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_t *cr; + cairo_surface_t *surface; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + if (! cairo_test_is_target_enabled (ctx, "svg11") && + ! cairo_test_is_target_enabled (ctx, "svg12")) + { + return CAIRO_TEST_UNTESTED; + } + + xasprintf (&filename, "%s/%s.svg", path, BASENAME); + surface = cairo_svg_surface_create (filename, + WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + if (cairo_surface_status (surface)) { + cairo_test_log (ctx, + "Failed to create svg surface for file %s: %s\n", + filename, cairo_status_to_string (cairo_surface_status (surface))); + free (filename); + return CAIRO_TEST_FAILURE; + } + + cr = cairo_create (surface); + + test_clip (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + cairo_show_page (cr); + + cairo_destroy (cr); + cairo_surface_destroy (surface); + + printf ("svg-clip: Please check %s to make sure it looks happy.\n", + filename); + free (filename); + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (svg_clip, + "Test SVG clipping", + "svg, clip", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/svg-surface-source.c b/test/svg-surface-source.c new file mode 100644 index 000000000..3c7730f7f --- /dev/null +++ b/test/svg-surface-source.c @@ -0,0 +1,54 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" +#include <cairo-svg.h> + +#include "surface-source.c" + +#define BASENAME "svg-surface-source.out" + +static cairo_surface_t * +create_source_surface (int size) +{ + cairo_surface_t *surface; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + xasprintf (&filename, "%s/%s.svg", path, BASENAME); + surface = cairo_svg_surface_create (filename, + size, size); + cairo_surface_set_fallback_resolution (surface, 72., 72.); + free (filename); + + return surface; +} + +CAIRO_TEST (svg_surface_source, + "Test using a SVG surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) diff --git a/test/svg-surface.c b/test/svg-surface.c new file mode 100644 index 000000000..13b006d39 --- /dev/null +++ b/test/svg-surface.c @@ -0,0 +1,136 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <stdio.h> + +#include <cairo-svg.h> + +/* Pretty boring test just to make sure things aren't crashing --- + * no verification that we're getting good results yet. + * But you can manually view the image to make sure it looks happy. + */ + +#define WIDTH_IN_INCHES 3 +#define HEIGHT_IN_INCHES 3 +#define WIDTH_IN_POINTS (WIDTH_IN_INCHES * 72) +#define HEIGHT_IN_POINTS (HEIGHT_IN_INCHES * 72) +#define BASENAME "svg-surface.out" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ +#define STROKE_WIDTH .04 + + double size; + + if (width > height) + size = height; + else + size = width; + + cairo_translate (cr, (width - size) / 2.0, (height - size) / 2.0); + cairo_scale (cr, size, size); + + /* Fill face */ + cairo_arc (cr, 0.5, 0.5, 0.5 - STROKE_WIDTH, 0, 2 * M_PI); + cairo_set_source_rgb (cr, 1, 1, 0); + cairo_save (cr); + { + cairo_fill (cr); + } + cairo_restore (cr); + + cairo_set_source_rgb (cr, 0, 0, 0); + + /* Stroke face */ + cairo_set_line_width (cr, STROKE_WIDTH / 2.0); + cairo_stroke (cr); + + /* Eyes */ + cairo_set_line_width (cr, STROKE_WIDTH); + cairo_arc (cr, 0.3, 0.4, STROKE_WIDTH, 0, 2 * M_PI); + cairo_fill (cr); + cairo_arc (cr, 0.7, 0.4, STROKE_WIDTH, 0, 2 * M_PI); + cairo_fill (cr); + + /* Mouth */ + cairo_move_to (cr, 0.3, 0.7); + cairo_curve_to (cr, + 0.4, 0.8, + 0.6, 0.8, + 0.7, 0.7); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_t *cr; + cairo_surface_t *surface; + char *filename; + const char *path = cairo_test_mkdir (CAIRO_TEST_OUTPUT_DIR) ? CAIRO_TEST_OUTPUT_DIR : "."; + + if (! cairo_test_is_target_enabled (ctx, "svg11") && + ! cairo_test_is_target_enabled (ctx, "svg12")) + { + return CAIRO_TEST_UNTESTED; + } + + xasprintf (&filename, "%s/%s.svg", path, BASENAME); + surface = cairo_svg_surface_create (filename, + WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + if (cairo_surface_status (surface)) { + cairo_test_log (ctx, + "Failed to create svg surface for file %s: %s\n", + filename, + cairo_status_to_string (cairo_surface_status (surface))); + free (filename); + return CAIRO_TEST_FAILURE; + } + + cr = cairo_create (surface); + + draw (cr, WIDTH_IN_POINTS, HEIGHT_IN_POINTS); + + cairo_show_page (cr); + + cairo_destroy (cr); + cairo_surface_destroy (surface); + + printf ("svg-surface: Please check %s to make sure it looks happy.\n", filename); + free (filename); + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (svg_surface, + "Check creation of a SVG surface", + "svg", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/svg2png.c b/test/svg2png.c new file mode 100644 index 000000000..bdfbc8b1e --- /dev/null +++ b/test/svg2png.c @@ -0,0 +1,62 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2005 Emmanuel Pacaud <emmanuel.pacaud@free.fr> + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + * Emmanuel Pacaud <emmanuel.pacaud@free.fr> + */ + +#include <stdlib.h> +#include <stdio.h> +#include <gdk/gdk.h> +#include <gdk/gdkpixbuf.h> +#include <librsvg/rsvg.h> + +#define FAIL(msg) \ + do { fprintf (stderr, "FAIL: %s\n", msg); exit (-1); } while (0) + +int main (int argc, char *argv[]) +{ + GError *error = NULL; + GdkPixbuf *pixbuf; + const char *filename = argv[1]; + const char *output_filename = argv[2]; + + if (argc != 3) + FAIL ("usage: svg2png input_file.svg output_file.png"); + + g_type_init (); + + error = NULL; + + rsvg_set_default_dpi (72.0); + pixbuf = rsvg_pixbuf_from_file (filename, &error); + if (error != NULL) + FAIL (error->message); + + gdk_pixbuf_save (pixbuf, output_filename, "png", &error, NULL); + if (error != NULL) + FAIL (error->message); + + g_object_unref (pixbuf); + return 0; +} diff --git a/test/testsvg b/test/testsvg new file mode 100755 index 000000000..9b18df586 --- /dev/null +++ b/test/testsvg @@ -0,0 +1,51 @@ +#!/bin/sh + +IMAGEDIFF=./imagediff + +OUTDIR=testsvg-output +REFDIR=testsvg-reference +DIFFDIR=testsvg-diff +IMAGELIST=testsvg-imagelist + +if [ $# -lt 1 ]; then + argv0=`basename $0` + echo "Usage: $argv0 file.svg [...]" >&2 + exit 1; +fi + +mkdir -p $OUTDIR +mkdir -p $DIFFDIR +rm -f $IMAGELIST + +err=0 +for svg in $@; do + svgbase=`basename $svg` + png=${svgbase/\.svg/.png} + outpng=$OUTDIR/$png + refpng=$REFDIR/$png + diffpng=$DIFFDIR/$png +# if xsvg $svg -p $outpng ; then + if svg2png $svg $outpng ; then + if [ -e $refpng ]; then + if $IMAGEDIFF $refpng $outpng > $diffpng; then + echo "Rendering of $svg matches." >&2 + rm -f $diffpng + else + echo "ERROR: Rendering of $svg differs from reference image." >&2 + echo $refpng $outpng $diffpng >> $IMAGELIST + err=$(($err+1)) + fi + else + echo "WARNING: No reference file found for $svg (looked in $refpng)" >&2 + fi + else + echo "ERROR: Failed to render $svg" >&2 + err=$(($err+1)) + fi +done + +if [ $err -gt 0 ] ; then + echo "Differences found in $err renderings." +else + echo "All renderings matched reference images." +fi diff --git a/test/testtable.js b/test/testtable.js new file mode 100644 index 000000000..4fc664ff2 --- /dev/null +++ b/test/testtable.js @@ -0,0 +1,428 @@ +/* configuration */ +/* TODO: UNTESTED count can't be shown because it's not tracked explicitly */ +headerResults = [ "PASS", "NEW", "FAIL", "XFAIL", "CRASHED" ]; +logResults = [ "PASS", "NEW", "FAIL", "XFAIL", "CRASH!" ]; +resultToImgs = { + "PASS" : [], + "NEW" : [ "output" ], + "FAIL" : [ "output", "difference", "reference" ], + "XFAIL" : [], + "UNTESTED" : [], + "CRASHED" : [] +}; + +resultToString = { + "PASS" : "", + "NEW" : "", + "FAIL" : "", + "XFAIL" : "", + "UNTESTED" : "", + "CRASHED" : "CRASHED!" +}; + +resultField = "result"; +rowFields = [ "test", "offset", "scale", "similar" ]; +colFields = [ "target", "format" ]; +allFields = [ resultField ].concat (rowFields, colFields); + + +/* globals: */ +function resetGlobals () { + dragElement = undefined; + table = document.getElementById ("testTable"); + while (table.rows.length) + table.deleteRow (0); + colsArray = [ "HrowHeader" ]; + colsMap = undefined; + headerId = "HcolHeader"; + + fTrue = function (x) { return true; }; + + empty = new Row (); + header = new Row (); + header[colsArray[0]].toString = function () { return ""; }; + + untested = new Test (); + untested[resultField] = "UNTESTED"; +} + + +/* utility functions */ +function isKey (key) { return key[key.length-1] == ':'; } +function normalizeKey (key) { return key.toLowerCase ().replace (/[^a-z0-9]/, ""); } +function isVisible (x) { return x.style.display != "none"; } + +function link (html, url) { return "<a href='" + url + "'>" + html + "</a>"; } +function image (url) { return "<img src='" + url + "'>"; } +function span (html, id, cls) { return "<span id='" + id + "' class='" + cls + "' onmousedown='startDrag (event)' onmouseup='mouseUp (event)'>" + html + "</span>"; } + +function fieldsToHTML (bColumns, values) { + var fields = bColumns ? colFields : rowFields; + var prefix = bColumns ? "c" : "r"; + var tmpRE = arrayApply (function (x) { return "[^/]*"; }, fields); + var r = Array (); + for (var i = 0; i < fields.length; i++) + if (fields[i] == "test") { + r.push (link (values[fields[i]], "output/" + values[fields[i]] + ".log")); + } else { + tmpRE[i] = values[fields[i]]; + r.push (span (values[fields[i]], prefix + "/" + tmpRE.join ("/") + "/", fields[i])); + tmpRE[i] = "[^/]*"; + } + return r.join ("/"); +} + +function inArray (value, array) { + for (var i = 0; i < array.length; i++) + if (value == array[i]) + return true; + return false; +} + +function arrayApply (fun, array) { + var r = new Array (); + for (var i = 0; i < array.length; i++) + r.push (fun(array[i])); + return r; +} + +function arrayPred (pred, array) { + var r = new Array (); + for (var i = 0; i < array.length; i++) + if (pred (array[i])) + r.push (array[i]); + return r; +} + +function arrayMap (map, array) { return arrayApply (function (x) { return map[x]; }, array); } + +function binSearch (rows, newId){ + var min = 0; + var max = rows.length; + + while (max - min > 1) { + var mid = (max + min) >> 1; + if (rows[mid].id > newId) + max = mid; + else + min = mid; + } + + if (max == min) + return max; + else + return rows[min].id > newId ? min : max; +} + +/* dynamic table utils */ +function updateCurrent () { + for (var i = 0; i < table.rows.length; i++) { + var row = table.rows[i]; + if (isVisible (row)) { + /* j starts from 1 because we want to ignore _rowHeader */ + for (var j = 1; j < row.cells.length; j++) + if (row.id[0] == "H") + for (var k = 0; k < headerResults.length; k++) + header[row.cells[j].id].current[headerResults[k]] = 0; + else if (isVisible (row.cells[j])) + header[row.cells[j].id].current[row.cells[j].className]++; + } + } + + updateHeader (); +} + +function setVisible (array, subsetPred, visibilityPred, visibleFlag) { + var modified = false, somethingVisible = false; + for (var i = 0; i < array.length; i++) + if (array[i].id[0] != "H") { + if (subsetPred (array[i])) { + var wanted = visibilityPred (array[i]); + if (isVisible (array[i]) != wanted) { + modified = true; + array[i].style.display = wanted ? visibleFlag : "none"; + } + } + somethingVisible = somethingVisible || isVisible (array[i]); + } + return modified && somethingVisible; +} + +function setVisibleOnly (array, pred, visibleFlag) { + return setVisible (array, fTrue, pred, visibleFlag); +} + +function flipVisible (array, subsetPred, visibleFlag) { + return setVisible (array, subsetPred, function (x) { return !isVisible (x); }, visibleFlag); +} + + +/* event handling */ +function ignoreEvent (event) { + if (event.preventDefault) + event.preventDefault(); + else + event.returnValue= false; + return false; +} + +function mouseUp (event) { + var visFun; + if (event.button == 0) + visFun = setVisibleOnly; + else if (event.button == 2) + visFun = flipVisible; + else + return false; + + var structureFun; + if (event.target.id[0] == "r") /* rows */ + structureFun = function (f, p) { return f (table.rows, p, "table-row"); }; + else if (event.target.id[0] == "c") /* cols */ + structureFun = function (f, p) { return inArray (true, arrayApply (function (row) { return f (row.cells, p, "table-cell") }, table.rows)) }; + else + return false; + + var pred; + if (event.target.id[1] == "/") { /* regexp */ + var re = new RegExp (event.target.id); + pred = function (x) { return re.test (x.id); }; + } else if (event.target.id[1] == "#") { /* counters */ + var s = event.target.id.substr (2).split ("/"); + pred = function (row) { return row.cells[s[0]].className == s[1]; } + } else + return false; + + if (!structureFun (visFun, pred)) + if (!structureFun (flipVisible, fTrue)) + structureFun (flipVisible, fTrue); + + updateCurrent (); + + return false; +} + +function noDrag (event) { + dragElement = undefined; + return false; +} + +function startDrag (event) { + if (event.button == 0) + dragElement = event.target; + else + dragElement = undefined; + return false; +} + +function endDrag (event) { + if (!dragElement) + return false; + + if (event.currentTarget.id == colsArray[0] && + inArray (dragElement.className, colFields)) { + rowFields.push (dragElement.className); + colFields = arrayPred (function (x) { return x != dragElement.className; }, colFields); + } else if (event.currentTarget.id == headerId && + inArray (dragElement.className, rowFields)) { + colFields.push (dragElement.className); + rowFields = arrayPred (function (x) { return x != dragElement.className; }, rowFields); + } else + return true; + + reloadAll (); + return false; +} + + +/* table content */ +function Row (id, t) { + this[colsArray[0]] = new RowHeader (id, t); + + this.get = function (c) { return this[c] != undefined ? this[c] : untested; } + this.getHTML = function (c) { return this.get(c).toString (); }; + this.setStyle = function (c, element) { return this.get(c).setStyle (element); }; +} + +function ColumnHeader (id, values) { + this.id = id; + this.values = values; + this.total = new Object (); + this.current = new Object (); + + for (var i = 0; i < headerResults.length; i++) { + this.total[headerResults[i]] = 0; + this.current[headerResults[i]] = 0; + } + + this.toString = function () { + var counts = new Array (); + for (var i = 0; i < headerResults.length; i++) { + var hr = headerResults[i]; + var s = span (this.current[hr], "r#" + colsMap[this.id] + "/" + hr, hr); + if (this.current[hr] != this.total[hr]) + s += span ("[" + this.total[hr] + "]", "r#" + colsMap[this.id] + "/" + hr, hr); + counts.push (s); + } + + return fieldsToHTML (true, this.values) + "<br>" + counts.join ("/"); + } + + this.setStyle = function (element) { }; +} + +function RowHeader (id, values) { + this.id = id; + this.values = values; + this.toString = function () { return fieldsToHTML (false, this.values); } + this.setStyle = function (element) { element.onmouseup = endDrag; }; +} + +function Test () { + this.rowId = function () { return "r/" + arrayMap (this, rowFields).join("/") + "/"; }; + this.colId = function () { return "c/" + arrayMap (this, colFields).join("/") + "/"; }; + this.isComplete = function () { return !inArray (undefined, arrayMap (this, allFields)); } + this.toString = function () { + var images = arrayMap (this, resultToImgs[this[resultField]]); + images = arrayPred (function (x) { return x != undefined; }, images); + images = arrayApply (function (x) { return link (image (x), x); }, images); + images.push (resultToString[this[resultField]]); + return images.join (" "); + }; + + this.setStyle = function (element) { element.className = this[resultField]; }; + + this.addData = function (array) { + for (var i = 0; i < array.length - 1; i += 2) + if (isKey (array[i])) + this[normalizeKey (array[i])] = array[i+1]; + }; +} + + +/* table creation */ +function insertCell (domRow, nid, tests) { + var domCell = domRow.insertCell (nid); + domCell.id = colsArray[nid]; + domCell.innerHTML = tests.getHTML (colsArray[nid]); + tests.setStyle (colsArray[nid], domCell); +} + +function updateRow (row, tests) { + var domRow = document.getElementById (row); + if (!domRow) { + domRow = table.insertRow (binSearch (table.rows, row)); + domRow.id = row; + } + + for (var i = 0; i < colsArray.length; i++) + if (i >= domRow.cells.length || domRow.cells[i].id != colsArray[i]) + insertCell (domRow, i, tests); +} + +function updateHeader () { + var visibility; + var domRow = document.getElementById (headerId); + if (domRow) { + visibility = new Object (); + for (var i = 0; i < domRow.cells.length; i++) + visibility[domRow.cells[i].id] = domRow.cells[i].style.display; + table.deleteRow (domRow.rowIndex); + } + + updateRow (headerId, header); + table.rows[0].onmouseup = endDrag; + + if (visibility) + for (var i = 0; i < colsArray.length; i++) + if (visibility[colsArray[i]]) + table.rows[0].cells[colsMap[colsArray[i]]].style.display = visibility[colsArray[i]]; +} + +function updateTable () { + colsArray.sort (); + + colsMap = new Object (); + for (var i = 0; i < colsArray.length; i++) + colsMap[colsArray[i]] = i; + + updateHeader (); + for (var i = 0; i < table.rows.length; i++) + updateRow (table.rows[i].id, empty); +} + + +/* log file parsing */ +function parseTest (testData) { + var colsChanged = false; + var rows = new Array (); + var data = new Object (); + var t = new Test (); + var lines = testData.replace (/\r/g, "").split ("\n"); + for (var i = 0; i < lines.length; i++) { + t.addData (lines[i].split (" ")); + if (t.isComplete ()) { + var c = t.colId (); + if (header[c] == undefined) { + colsArray.push (c); + header[c] = new ColumnHeader (c, t); + colsChanged = true; + } + + var r = t.rowId (); + if (!data[r]) { + rows.push (r); + data[r] = new Row (r, t); + } + + data[r][c] = t; + header[c].total[t[resultField]]++; + header[c].current[t[resultField]]++; + t = new Test (); + } + } + + if (colsChanged) + updateTable (); + else + updateHeader (); + + for (var i = 0; i < rows.length; i++) + updateRow (rows[i], data[rows[i]]); +} + +function parseFile (fileName, parser) { + var req = new XMLHttpRequest (); + req.onreadystatechange = function () { + if (req.readyState == 4) + parser (req.responseText); + } + + try { + req.open ("GET", fileName); + req.send (null); + } catch (e) {} +} + +function parseTestList (listData) { + var summaryRE = /\d+ Passed, \d+ Failed \x5b\d+ crashed, \d+ expected\x5d, \d+ Skipped/; + var lines = listData.replace (/\r/g, "").split ("\n"); + for (var i = 0; i < lines.length; i++) { + if (summaryRE.test (lines[i])) + return; + + var words = lines[i].split (" "); + if (words.length >= 2 && + words[0][words[0].length-1] == ":" && + inArray (words[1], logResults)) + parseFile ("output/" + words[0].substr (0, words[0].length-1) + ".log", parseTest); + } +} + +function reloadAll() { + resetGlobals (); + + parseFile ("cairo-test-suite.log", parseTestList); +} + +window.onload = reloadAll; diff --git a/test/text-antialias-subpixel.c b/test/text-antialias-subpixel.c new file mode 100644 index 000000000..6a65059eb --- /dev/null +++ b/test/text-antialias-subpixel.c @@ -0,0 +1,123 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * Copyright © 2011 Uli Schlachter + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + * + * Based on test/text-antialias.c + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define WIDTH 31 +#define HEIGHT 22 +#define TEXT_SIZE 12 + +static cairo_test_status_t +draw (cairo_t *cr, cairo_subpixel_order_t order) +{ + cairo_text_extents_t extents; + cairo_font_options_t *font_options; + const char black[] = "black", blue[] = "blue"; + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + font_options = cairo_font_options_create (); + cairo_get_font_options (cr, font_options); + cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_SUBPIXEL); + cairo_font_options_set_subpixel_order (font_options, order); + cairo_set_font_options (cr, font_options); + + cairo_font_options_destroy (font_options); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + cairo_text_extents (cr, black, &extents); + cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing); + cairo_show_text (cr, black); + cairo_translate (cr, 0, -extents.y_bearing + 1); + + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_text_extents (cr, blue, &extents); + cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing); + cairo_show_text (cr, blue); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_rgb (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_SUBPIXEL_ORDER_RGB); +} + +static cairo_test_status_t +draw_bgr (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_SUBPIXEL_ORDER_BGR); +} + +static cairo_test_status_t +draw_vrgb (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_SUBPIXEL_ORDER_VRGB); +} + +static cairo_test_status_t +draw_vbgr (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_SUBPIXEL_ORDER_VBGR); +} + +CAIRO_TEST (text_antialias_subpixel_rgb, + "Tests text rendering with rgb subpixel antialiasing", + "text", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw_rgb) + +CAIRO_TEST (text_antialias_subpixel_bgr, + "Tests text rendering with bgr subpixel antialiasing", + "text", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw_bgr) + +CAIRO_TEST (text_antialias_subpixel_vrgb, + "Tests text rendering with vertical rgb subpixel antialiasing", + "text", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw_vrgb) + +CAIRO_TEST (text_antialias_subpixel_vbgr, + "Tests text rendering with vertical bgr subpixel antialiasing", + "text", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw_vbgr) diff --git a/test/text-antialias.c b/test/text-antialias.c new file mode 100644 index 000000000..7d338925e --- /dev/null +++ b/test/text-antialias.c @@ -0,0 +1,106 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define WIDTH 31 +#define HEIGHT 22 +#define TEXT_SIZE 12 + +static cairo_test_status_t +draw (cairo_t *cr, cairo_antialias_t antialias) +{ + cairo_text_extents_t extents; + cairo_font_options_t *font_options; + const char black[] = "black", blue[] = "blue"; + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + font_options = cairo_font_options_create (); + cairo_get_font_options (cr, font_options); + cairo_font_options_set_antialias (font_options, antialias); + cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_RGB); + cairo_set_font_options (cr, font_options); + + cairo_font_options_destroy (font_options); + + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + cairo_text_extents (cr, black, &extents); + cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing); + cairo_show_text (cr, black); + cairo_translate (cr, 0, -extents.y_bearing + 1); + + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_text_extents (cr, blue, &extents); + cairo_move_to (cr, -extents.x_bearing, -extents.y_bearing); + cairo_show_text (cr, blue); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_gray (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_ANTIALIAS_GRAY); +} + +static cairo_test_status_t +draw_none (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_ANTIALIAS_NONE); +} + +static cairo_test_status_t +draw_subpixel (cairo_t *cr, int width, int height) +{ + return draw (cr, CAIRO_ANTIALIAS_SUBPIXEL); +} + +CAIRO_TEST (text_antialias_gray, + "Tests text rendering with grayscale antialiasing", + "text", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw_gray) + +CAIRO_TEST (text_antialias_none, + "Tests text rendering with no antialiasing", + "text", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw_none) + +CAIRO_TEST (text_antialias_subpixel, + "Tests text rendering with subpixel antialiasing", + "text", /* keywords */ + "target=raster", /* requirements */ + WIDTH, HEIGHT, + NULL, draw_subpixel) diff --git a/test/text-cache-crash.c b/test/text-cache-crash.c new file mode 100644 index 000000000..4786af4d5 --- /dev/null +++ b/test/text-cache-crash.c @@ -0,0 +1,93 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Bug history + * + * 2004-11-04 Ned Konz <ned@squeakland.org> + * + * Reported bug on mailing list: + * + * From: Ned Konz <ned@squeakland.org> + * To: cairo@cairographics.org + * Date: Thu, 4 Nov 2004 09:49:38 -0800 + * Subject: [cairo] getting assertions [cairo_cache.c:143: _entry_destroy: + * Assertion `cache->used_memory > entry->memory' failed] + * + * The attached program dies on me with the assert + * + * $ ./testCairo + * testCairo: cairo_cache.c:143: _entry_destroy: Assertion `cache->used_memory > entry->memory' failed. + * + * 2004-11-04 Carl Worth <cworth@cworth.org> + * + * I trimmed down Ned's example to the folllowing test while still + * maintaining the assertion. + * + * Oh, actually, it looks like I may have triggered something + * slightly different: + * + * text_cache_crash: cairo_cache.c:422: _cairo_cache_lookup: Assertion `cache->max_memory >= (cache->used_memory + new_entry->memory)' failed. + * + * I'll have to go back and try the original test after I fix this. + * + * 2004-11-13 Carl Worth <cworth@cworth.org> + * + * Found the bug. cairo_gstate_select_font was noticing when the + * same font was selected twice in a row and was erroneously failing + * to free the old reference. Committed a fix and verified it also + * fixed the original test case. + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* Once there was a bug that choked when selecting the same font twice. */ + cairo_select_font_face (cr, "sans", + CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD); + cairo_set_font_size (cr, 40.0); + + cairo_select_font_face (cr, "sans", + CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD); + cairo_set_font_size (cr, 40.0); + cairo_move_to (cr, 10, 50); + cairo_show_text (cr, "hello"); + + /* Then there was a bug that choked when selecting a font too big + * for the cache. */ + + cairo_set_font_size (cr, 500); + cairo_show_text (cr, "hello"); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (text_cache_crash, + "Test case for bug causing an assertion failure in _cairo_cache_lookup", + "text, stress", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/text-glyph-range.c b/test/text-glyph-range.c new file mode 100644 index 000000000..75b87d63a --- /dev/null +++ b/test/text-glyph-range.c @@ -0,0 +1,125 @@ +/* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2006 Brian Ewins. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Brian Ewins not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Brian Ewins makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * BRIAN EWINS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL BRIAN EWINS BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Brian Ewins <Brian.Ewins@gmail.com> + */ + +/* Related to bug 9530 + * + * cairo_glyph_t can contain any unsigned long in its 'index', the intention + * being that it is large enough to hold a pointer. However, this means that + * it can specify many glyph indexes which don't exist in the font, and may + * exceed the range of legal glyph indexes for the font backend. It may + * also contain special values that are not usable as indexes - e.g. 0xffff is + * kATSDeletedGlyphcode in ATSUI, a glyph that should not be drawn. + * The font backends should handle all legal and out-of-range values + * consistently. + * + * This test expects that operations on out-of-range and missing glyphs should + * act as if they were zero-width. + */ + +#include "cairo-test.h" + +#define WIDTH 100 +#define HEIGHT 75 +#define NUM_TEXT 20 +#define TEXT_SIZE 12 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_text_extents_t extents; + int i; + /* Glyphs with no paths followed by 'cairo', the additional + * text is to make the space obvious. + */ + long int index[] = { + 0, /* 'no matching glyph' */ + 0xffff, /* kATSDeletedGlyphCode */ + 0x1ffff, /* out of range */ + -1L, /* out of range */ + 70, 68, 76, 85, 82 /* 'cairo' */ + }; + + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, 16); + + for (i = 0; i < 9; i++) { + /* since we're just drawing glyphs directly we need to position them. */ + cairo_glyph_t glyph = { + index[i], 10 * i, 25 + }; + + /* test cairo_glyph_extents. Every glyph index should + * have extents, invalid glyphs should be zero-width. + */ + cairo_move_to (cr, glyph.x, glyph.y); + cairo_set_line_width (cr, 1.0); + cairo_glyph_extents (cr, &glyph, 1, &extents); + cairo_rectangle (cr, + glyph.x + extents.x_bearing - 0.5, + glyph.y + extents.y_bearing - 0.5, + extents.width + 1, + extents.height + 1); + cairo_set_source_rgb (cr, 1, 0, 0); /* red */ + cairo_stroke (cr); + + /* test cairo_show_glyphs. Every glyph index should be + * drawable, invalid glyph indexes should draw nothing. + */ + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + cairo_show_glyphs (cr, &glyph, 1); + cairo_move_to (cr, glyph.x, glyph.y); + + /* test cairo_glyph_path. Every glyph index should produce + * a path, invalid glyph indexes should have empty paths. + */ + /* Change the glyph position + * so that the paths are visible. + */ + glyph.y = 55; + cairo_move_to (cr, glyph.x, glyph.y); + cairo_glyph_path (cr, &glyph, 1); + cairo_fill (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (text_glyph_range, + "Tests show_glyphs, glyph_path, glyph_extents with out of range glyph ids." + "\nft and atsui font backends fail, misreporting errors from FT_Load_Glyph and ATSUGlyphGetCubicPaths", + "text, stress", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/text-pattern.c b/test/text-pattern.c new file mode 100644 index 000000000..60267d658 --- /dev/null +++ b/test/text-pattern.c @@ -0,0 +1,73 @@ +/* + * Copyright © 2005 Tim Rowley + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Tim Rowley + */ + +#include "cairo-test.h" + +#define IMAGE_WIDTH 128 +#define IMAGE_HEIGHT 64 + + +static void +draw_text_pattern (cairo_t *cr, double alpha) +{ + cairo_pattern_t *pat; + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + pat = cairo_pattern_create_linear (0.0, 0.0, 1, 1); + cairo_pattern_add_color_stop_rgba (pat, 1, 1, 0, 0, alpha); + cairo_pattern_add_color_stop_rgba (pat, 0, 0, 0, 1, alpha); + cairo_set_source (cr, pat); + + /* test rectangle - make sure the gradient is set correctly */ + cairo_rectangle (cr, 0, 0, 0.1, 1); + cairo_fill (cr); + + cairo_set_font_size (cr, 0.4); + cairo_move_to (cr, 0.1, 0.6); + cairo_show_text (cr, "cairo"); + + cairo_pattern_destroy (pat); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_scale (cr, width/2, height); + draw_text_pattern (cr, 1.0); + cairo_translate (cr, 1, 0); + draw_text_pattern (cr, 0.5); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (text_pattern, + "Patterned Text", + "text, pattern", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/text-rotate.c b/test/text-rotate.c new file mode 100644 index 000000000..0a805ac67 --- /dev/null +++ b/test/text-rotate.c @@ -0,0 +1,189 @@ +/* + * Copyright © 2004 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Bug history + * + * 2004-11-03 Steve Chaplin <stevech1097@yahoo.com.au> + * + * Reported bug on mailing list: + * + * From: Steve Chaplin <stevech1097@yahoo.com.au> + * To: cairo@cairographics.org + * Date: Thu, 04 Nov 2004 00:00:17 +0800 + * Subject: [cairo] Rotated text bug on drawable target + * + * The attached file draws text rotated 90 degrees first to a PNG file and + * then to a drawable. The PNG file looks fine, the text on the drawable is + * unreadable. + * + * Steve + * + * 2004-11-03 Carl Worth <cworth@cworth.org> + * + * Looks like the major problems with this bug appeared in the great + * font rework between 0.1.23 and 0.2.0. And it looks like we need + * to fix the regression test suite to test the xlib target (since + * the bug does not show up in the png backend). + * + * Hmm... Actually, things don't look perfect even in the PNG + * output. Look at how that 'o' moves around. It's particularly off + * in the case where it's rotated by PI. + * + * And I'm still not sure about what to do for test cases with + * text--a new version of freetype will change everything. We may + * need to add a simple backend for stroked fonts and add a simple + * builtin font to cairo for pixel-perfect tests with text. + * + * 2005-08-23 + * + * It appears that the worst placement and glyph selection problems + * have now been resolved. In the past some letters were noticeably + * of a different size at some rotations, and there was a lot of + * drift away from the baseline. These problems do not appear + * anymore. + * + * Another thing that helps is that we now have font options which + * we can use to disable hinting in order to get more repeatable + * results. I'm doing that in this test now. + * + * There are still some subtle positioning problems which I'm + * assuming are due to the lack of finer-than-whole-pixel glyph + * positioning. I'm generating a reference image now by replacing + * cairo_show_text with cairo_text_path; cairo_fill. This will let + * us look more closely at the remaining positioning problems. (In + * particular, I want to make sure we're rounding as well as + * possible). + * + * 2007-02-21 + * + * Seems like all the "bugs" have been fixed and all remaining is + * missing support for subpixel glyph positioning. Removing from + * XFAIL now. + */ + +#include "cairo-test.h" + +#define WIDTH 150 +#define HEIGHT 150 +#define NUM_TEXT 20 +#define TEXT_SIZE 12 + +/* Draw the word cairo at NUM_TEXT different angles. + * We separate the circle into quadrants to reduce + * numerical errors i.e. so each quarter is pixel-aligned. + */ +static void +draw_quadrant (cairo_t *cr, + const char *text, + const cairo_text_extents_t *extents, + const cairo_matrix_t *transform, + int x_off, int y_off) +{ + int i; + + for (i = 0; i < NUM_TEXT/4; i++) { + cairo_save (cr); + cairo_rotate (cr, 2*M_PI*i/NUM_TEXT); + cairo_transform (cr, transform); + cairo_set_line_width (cr, 1.0); + cairo_rectangle (cr, x_off - 0.5, y_off - 0.5, extents->width + 1, extents->height + 1); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_stroke (cr); + cairo_move_to (cr, x_off - extents->x_bearing, y_off - extents->y_bearing); + cairo_set_source_rgb (cr, 0, 0, 0); +#if CAIRO_TEST_GENERATE_REFERENCE_IMAGE + cairo_text_path (cr, text); + cairo_fill (cr); +#else + cairo_show_text (cr, text); +#endif + cairo_restore (cr); + } +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_text_extents_t extents; + cairo_font_options_t *font_options; + const char text[] = "cairo"; + int x_off, y_off; + cairo_matrix_t m; + + /* paint white so we don't need separate ref images for + * RGB24 and ARGB32 */ + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + font_options = cairo_font_options_create (); + + cairo_get_font_options (cr, font_options); + cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF); + + cairo_set_font_options (cr, font_options); + cairo_font_options_destroy (font_options); + + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_translate (cr, WIDTH/2.0, HEIGHT/2.0); + + cairo_text_extents (cr, text, &extents); + + if (NUM_TEXT == 1) { + x_off = y_off = 0; + } else { + y_off = - floor (0.5 + extents.height / 2.0); + x_off = floor (0.5 + (extents.height+1) / (2 * tan (M_PI/NUM_TEXT))); + } + + cairo_save (cr); + cairo_matrix_init_identity (&m); + draw_quadrant (cr, text, &extents, &m, x_off, y_off); + cairo_matrix_init (&m, 0, 1, -1, 0, 0, 0); + draw_quadrant (cr, text, &extents, &m, x_off, y_off); + cairo_restore (cr); + + cairo_save (cr); + cairo_scale (cr, -1, -1); + cairo_matrix_init_identity (&m); + draw_quadrant (cr, text, &extents, &m, x_off, y_off); + cairo_matrix_init (&m, 0, 1, -1, 0, 0, 0); + draw_quadrant (cr, text, &extents, &m, x_off, y_off); + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (text_rotate, + "Tests show_text under various rotations", + "text, transform", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/text-transform.c b/test/text-transform.c new file mode 100644 index 000000000..2cd7f100b --- /dev/null +++ b/test/text-transform.c @@ -0,0 +1,104 @@ +/* + * Copyright © 2006 Mozilla Corporation + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Mozilla Corporation not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Mozilla Corporation makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * MOZILLA CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL MOZILLA CORPORATION BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Vladimir Vukicevic <vladimir@pobox.com> + */ + +#include "cairo-test.h" + +#define SIZE 100 +#define PAD 5 + +#define FONT_SIZE 32.0 + +static const char *png_filename = "romedalen.png"; + +static void +draw_text (cairo_t *cr) +{ + cairo_matrix_t tm; + + /* skew */ + cairo_matrix_init (&tm, 1, 0, + -0.25, 1, + 0, 0); + cairo_matrix_scale (&tm, FONT_SIZE, FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, 50, SIZE-PAD); + cairo_show_text (cr, "A"); + + /* rotate and scale */ + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, FONT_SIZE, FONT_SIZE * 2.0); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, PAD, PAD + 25); + cairo_show_text (cr, "A"); + + cairo_matrix_init_rotate (&tm, M_PI / 2); + cairo_matrix_scale (&tm, FONT_SIZE * 2.0, FONT_SIZE); + cairo_set_font_matrix (cr, &tm); + + cairo_new_path (cr); + cairo_move_to (cr, PAD, PAD + 50); + cairo_show_text (cr, "A"); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_pattern_t *pattern; + + cairo_set_source_rgb (cr, 1., 1., 1.); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0., 0., 0.); + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + draw_text (cr); + + cairo_translate (cr, SIZE, SIZE); + cairo_rotate (cr, M_PI); + + pattern = cairo_test_create_pattern_from_png (ctx, png_filename); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + draw_text (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (text_transform, + "Test various applications of the font matrix", + "text, transform", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/text-zero-len.c b/test/text-zero-len.c new file mode 100644 index 000000000..5e89816c8 --- /dev/null +++ b/test/text-zero-len.c @@ -0,0 +1,203 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Behdad Esfahbod <behdad@behdad.org> + */ + +/* Related bug 5177 + * + * In short: + * + * _cairo_atsui_font_text_to_glyph with a zero-sized string crashes. + * + * Moreover, the fallback path in cairo_scaled_font_text_to_glyphs() + * when handling a zero-sized string, allocates a zero-sized glyph array + * and when NULL is returned by malloc, recognizes that as an out-of-memory + * error. The glibc implementation of malloc() does not return NULL from + * malloc(0), but I don't think it's a safe assumption. + * + * By just bailing out on zero-sized text, we fix both issues. + */ + +#include "cairo-test.h" + +#define NUM_TEXT 20 +#define TEXT_SIZE 12 + +static cairo_bool_t +text_extents_equal (const cairo_text_extents_t *A, + const cairo_text_extents_t *B) +{ + return A->x_bearing == B->x_bearing && + A->y_bearing == B->y_bearing && + A->width == B->width && + A->height == B->height && + A->x_advance == B->x_advance && + A->y_advance == B->y_advance; +} + +static cairo_bool_t +font_extents_equal (const cairo_font_extents_t *A, + const cairo_font_extents_t *B) +{ + return A->ascent == B->ascent && + A->descent == B->descent && + A->height == B->height && + A->max_x_advance == B->max_x_advance && + A->max_y_advance == B->max_y_advance; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + cairo_text_extents_t extents, nil_extents; + cairo_font_extents_t font_extents, nil_font_extents; + cairo_scaled_font_t *scaled_font; + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, 16); + + cairo_move_to (cr, 10, 25); + cairo_show_text (cr, NULL); + cairo_show_text (cr, ""); + cairo_show_glyphs (cr, NULL, 0); + cairo_show_glyphs (cr, (void*)8, 0); + + cairo_move_to (cr, 10, 55); + cairo_text_path (cr, NULL); + cairo_text_path (cr, ""); + cairo_glyph_path (cr, (void*)8, 0); + cairo_fill (cr); + + memset (&nil_extents, 0, sizeof (cairo_text_extents_t)); + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_text_extents (cr, "", &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log (ctx, "Error: cairo_text_extents(\"\"); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_text_extents (cr, NULL, &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log (ctx, "Error: cairo_text_extents(NULL); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_glyph_extents (cr, (void*)8, 0, &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log (ctx, "Error: cairo_glyph_extents(); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + scaled_font = cairo_get_scaled_font (cr); + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_scaled_font_text_extents (scaled_font, "", &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log (ctx, "Error: cairo_scaled_font_text_extents(\"\"); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_scaled_font_text_extents (scaled_font, NULL, &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log (ctx, "Error: cairo_scaled_font_text_extents(NULL); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_scaled_font_glyph_extents (scaled_font, (void*)8, 0, &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log (ctx, "Error: cairo_scaled_font_glyph_extents(NULL); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + /* Lets also try font size 0 while here */ + cairo_set_font_size (cr, 0); + + memset (&extents, 0xff, sizeof (cairo_text_extents_t)); + cairo_text_extents (cr, "test", &extents); + if (! text_extents_equal (&extents, &nil_extents)) { + cairo_test_log (ctx, "Error: cairo_set_font_size(0); cairo_text_extents(\"test\"); extents (%g, %g, %g, %g, %g, %g)\n", + extents.x_bearing, extents.y_bearing, + extents.width, extents.height, + extents.x_advance, extents.y_advance); + return CAIRO_TEST_FAILURE; + } + + memset (&nil_font_extents, 0, sizeof (cairo_font_extents_t)); + + memset (&font_extents, 0xff, sizeof (cairo_font_extents_t)); + cairo_font_extents (cr, &font_extents); + if (! font_extents_equal (&font_extents, &nil_font_extents)) { + cairo_test_log (ctx, "Error: cairo_set_font_size(0); cairo_font_extents(); extents (%g, %g, %g, %g, %g)\n", + font_extents.ascent, font_extents.descent, + font_extents.height, + font_extents.max_x_advance, font_extents.max_y_advance); + return CAIRO_TEST_FAILURE; + } + + scaled_font = cairo_get_scaled_font (cr); + + memset (&font_extents, 0xff, sizeof (cairo_font_extents_t)); + cairo_scaled_font_extents (scaled_font, &font_extents); + if (! font_extents_equal (&font_extents, &nil_font_extents)) { + cairo_test_log (ctx, "Error: cairo_set_font_size(0); cairo_scaled_font_extents(); extents (%g, %g, %g, %g, %g)\n", + font_extents.ascent, font_extents.descent, + font_extents.height, + font_extents.max_x_advance, font_extents.max_y_advance); + return CAIRO_TEST_FAILURE; + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (text_zero_len, + "Tests show_text and text_path with a zero-sized string", + "text, stress, extents", /* keywords */ + NULL, /* requirements */ + 0, 0, + NULL, draw) diff --git a/test/tiger.c b/test/tiger.c new file mode 100644 index 000000000..059bb849f --- /dev/null +++ b/test/tiger.c @@ -0,0 +1,85 @@ +/* + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "cairo-test.h" + +#include "tiger.inc" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + unsigned int i; + + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_set_source_rgba (cr, 0.1, 0.2, 0.3, 1.0); + cairo_paint (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_OVER); + + cairo_translate (cr, width/2, height/2); + cairo_scale (cr, .85, .85); + + for (i = 0; i < ARRAY_LENGTH(tiger_commands); i++) { + const struct command *cmd = &tiger_commands[i]; + switch (cmd->type) { + case 'm': + cairo_move_to (cr, cmd->x0, cmd->y0); + break; + case 'l': + cairo_line_to (cr, cmd->x0, cmd->y0); + break; + case 'c': + cairo_curve_to (cr, + cmd->x0, cmd->y0, + cmd->x1, cmd->y1, + cmd->x2, cmd->y2); + break; + case 'f': + cairo_set_source_rgba (cr, + cmd->x0, cmd->y0, cmd->x1, cmd->y1); + cairo_fill (cr); + break; + } + } + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +a1_draw (cairo_t *cr, int width, int height) +{ + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + return draw (cr, width, height); +} + +CAIRO_TEST (tiger, + "Check the fidelity of the rasterisation.", + "raster", /* keywords */ + NULL, /* requirements */ + 500, 500, + NULL, draw) + +CAIRO_TEST (a1_tiger, + "Check the fidelity of the rasterisation.", + "fill", /* keywords */ + "target=raster", /* requirements */ + 500, 500, + NULL, a1_draw) diff --git a/test/tiger.inc b/test/tiger.inc new file mode 100644 index 000000000..419b97989 --- /dev/null +++ b/test/tiger.inc @@ -0,0 +1,2316 @@ +static const struct command { + char type; + float x0, y0; + float x1, y1; + float x2, y2; +} tiger_commands[] = { +{'m', -122.30, 84.28, 0, 0, 0, 0}, +{'c', -122.30, 84.28, -122.20 ,86.18, -123.03, 86.16}, +{'c', -123.85, 86.14, -140.31 ,38.07, -160.83, 40.31}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -118.77, 81.26, 0, 0, 0, 0}, +{'c', -118.77, 81.26, -119.32 ,83.08, -120.09, 82.78}, +{'c', -120.86, 82.48, -119.98 ,31.68, -140.04, 26.80}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -91.28, 123.59, 0, 0, 0, 0}, +{'c', -91.28, 123.59, -89.65 ,124.55, -90.12, 125.23}, +{'c', -90.59, 125.90, -139.76 ,113.10, -149.22, 131.46}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -94.09, 133.80, 0, 0, 0, 0}, +{'c', -94.09, 133.80, -92.24 ,134.20, -92.47, 134.99}, +{'c', -92.70, 135.78, -143.41 ,139.12, -146.60, 159.52}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -98.30, 128.28, 0, 0, 0, 0}, +{'c', -98.30, 128.28, -96.53 ,128.94, -96.87, 129.69}, +{'c', -97.22, 130.44, -147.87 ,126.35, -154.00, 146.06}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -109.01, 110.07, 0, 0, 0, 0}, +{'c', -109.01, 110.07, -107.70 ,111.45, -108.34, 111.97}, +{'c', -108.98, 112.49, -152.72 ,86.63, -166.87, 101.68}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -116.55, 114.26, 0, 0, 0, 0}, +{'c', -116.55, 114.26, -115.10 ,115.48, -115.67, 116.07}, +{'c', -116.25, 116.66, -162.64 ,95.92, -174.99, 112.47}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -119.15, 118.33, 0, 0, 0, 0}, +{'c', -119.15, 118.33, -117.55 ,119.34, -118.04, 120.01}, +{'c', -118.53, 120.67, -167.31 ,106.45, -177.29, 124.52}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -108.42, 118.95, 0, 0, 0, 0}, +{'c', -108.42, 118.95, -107.30 ,120.48, -108.00, 120.92}, +{'c', -108.70, 121.35, -148.77 ,90.10, -164.73, 103.21}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -128.20, 90.00, 0, 0, 0, 0}, +{'c', -128.20, 90.00, -127.60 ,91.80, -128.40, 92.00}, +{'c', -129.20, 92.20, -157.80 ,50.20, -177.00, 57.80}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -127.50, 96.98, 0, 0, 0, 0}, +{'c', -127.50, 96.98, -126.53 ,98.61, -127.27, 98.97}, +{'c', -128.01, 99.34, -164.99 ,64.50, -182.10, 76.06}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -127.62, 101.35, 0, 0, 0, 0}, +{'c', -127.62, 101.35, -126.50 ,102.88, -127.20, 103.31}, +{'c', -127.90, 103.75, -167.97 ,72.50, -183.93, 85.61}, +{'f', 1.000000,1.000000,1.000000,1.000000,0,0 }, +{'m', -129.83, 103.06, 0, 0, 0, 0}, +{'c', -129.33, 109.11, -128.34 ,115.68, -126.60, 118.80}, +{'c', -126.60, 118.80, -130.20 ,131.20, -121.40, 144.40}, +{'c', -121.40, 144.40, -121.80 ,151.60, -120.20, 154.80}, +{'c', -120.20, 154.80, -116.20 ,163.20, -111.40, 164.00}, +{'c', -107.52, 164.65, -98.79 ,167.72, -88.93, 169.12}, +{'c', -88.93, 169.12, -71.80 ,183.20, -75.00, 196.00}, +{'c', -75.00, 196.00, -75.40 ,212.40, -79.00, 214.00}, +{'c', -79.00, 214.00, -67.40 ,202.80, -77.00, 219.60}, +{'l', -81.40, 238.40, 0, 0, 0, 0}, +{'c', -81.40, 238.40, -55.80 ,216.80, -71.40, 235.20}, +{'l', -81.40, 261.20, 0, 0, 0, 0}, +{'c', -81.40, 261.20, -61.80 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296.66}, +{'c', -18.72, 296.63, -18.53 ,296.87, -18.40, 297.00}, +{'c', -18.21, 296.72, -17.99 ,296.49, -17.60, 296.60}, +{'c', -17.60, 296.20, -17.73 ,295.64, -17.53, 295.49}, +{'c', -16.30, 294.51, -16.38 ,293.44, -15.60, 292.20}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 46.20, 347.40, 0, 0, 0, 0}, +{'c', 46.20, 347.40, 53.60 ,327.00, 49.20, 315.80}, +{'c', 49.20, 315.80, 60.60 ,337.40, 56.00, 348.60}, +{'c', 56.00, 348.60, 55.60 ,338.20, 51.60, 333.20}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 31.40, 344.80, 0, 0, 0, 0}, +{'c', 31.40, 344.80, 36.80 ,336.00, 28.80, 317.60}, +{'c', 28.80, 317.60, 28.00 ,338.00, 21.20, 349.00}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 21.40, 342.80, 0, 0, 0, 0}, +{'c', 21.40, 342.80, 21.20 ,322.80, 21.60, 319.80}, +{'c', 21.60, 319.80, 17.80 ,336.40, 7.60, 346.00}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 11.80, 310.80, 0, 0, 0, 0}, +{'c', 11.80, 310.80, 17.80 ,324.40, 7.80, 342.80}, +{'c', 7.80, 342.80, 14.20 ,330.60, 9.40, 323.60}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -7.40, 342.40, 0, 0, 0, 0}, +{'c', -7.40, 342.40, -8.40 ,326.80, -6.60, 324.60}, +{'c', -6.60, 324.60, -6.40 ,318.20, -6.80, 317.20}, +{'c', -6.80, 317.20, -2.80 ,311.00, -2.60, 318.40}, +{'c', -2.60, 318.40, -1.20 ,326.20, 1.60, 330.80}, +{'c', 1.60, 330.80, 5.20 ,336.20, 5.00, 342.60}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -11.00, 314.80, 0, 0, 0, 0}, +{'c', -11.00, 314.80, -17.60 ,325.60, -19.40, 344.60}, +{'c', -19.40, 344.60, -20.80 ,338.40, -17.00, 324.00}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -32.80, 334.60, 0, 0, 0, 0}, +{'c', -32.80, 334.60, -27.80 ,329.20, -26.40, 324.20}, +{'c', -26.40, 324.20, -22.80 ,308.40, -29.20, 317.00}, +{'c', -29.20, 317.00, -29.00 ,325.00, -37.20, 332.40}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -38.60, 329.60, 0, 0, 0, 0}, +{'c', -38.60, 329.60, -35.20 ,312.20, -34.40, 311.40}, +{'c', -34.40, 311.40, -32.60 ,308.00, -35.40, 311.20}, +{'c', -35.40, 311.20, -44.20 ,330.40, -48.20, 337.00}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -44.40, 313.00, 0, 0, 0, 0}, +{'c', -44.40, 313.00, -32.80 ,290.60, -54.60, 316.40}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -59.80, 298.40, 0, 0, 0, 0}, +{'c', -59.80, 298.40, -55.00 ,279.60, -52.40, 279.80}, +{'c', -52.40, 279.80, -44.20 ,270.80, -50.80, 281.40}, +{'c', -50.80, 281.40, -56.80 ,291.00, -56.20, 300.80}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 270.50, 287.00, 0, 0, 0, 0}, +{'c', 270.50, 287.00, 258.50 ,277.00, 256.00, 273.50}, +{'c', 256.00, 273.50, 269.50 ,292.00, 269.50, 299.00}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 276.00, 265.00, 0, 0, 0, 0}, +{'c', 276.00, 265.00, 255.00 ,250.00, 251.50, 242.50}, +{'c', 251.50, 242.50, 278.00 ,272.00, 278.00, 276.50}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 293.00, 111.00, 0, 0, 0, 0}, +{'c', 293.00, 111.00, 281.00 ,103.00, 279.50, 105.00}, +{'c', 279.50, 105.00, 290.00 ,111.50, 292.50, 120.00}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 301.50, 191.50, 0, 0, 0, 0}, +{'l', 284.00, 179.50, 0, 0, 0, 0}, +{'c', 284.00, 179.50, 303.00 ,196.50, 303.50, 200.50}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -89.25, 169.00, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'l', -67.25, 173.75, 0, 0, 0, 0}, +{'m', -39.00, 331.00, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -33.50, 336.00, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 20.50, 344.50, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 301.50, 191.50, 0, 0, 0, 0}, +{'l', 284.00, 179.50, 0, 0, 0, 0}, +{'c', 284.00, 179.50, 303.00 ,196.50, 303.50, 200.50}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -89.25, 169.00, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'l', -67.25, 173.75, 0, 0, 0, 0}, +{'m', -39.00, 331.00, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -33.50, 336.00, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 20.50, 344.50, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 301.50, 191.50, 0, 0, 0, 0}, +{'l', 284.00, 179.50, 0, 0, 0, 0}, +{'c', 284.00, 179.50, 303.00 ,196.50, 303.50, 200.50}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -89.25, 169.00, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'l', -67.25, 173.75, 0, 0, 0, 0}, +{'m', -39.00, 331.00, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', -33.50, 336.00, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }, +{'m', 20.50, 344.50, 0, 0, 0, 0}, +{'f', 0.804000,0.804000,0.804000,1.000000,0,0 }}; diff --git a/test/tighten-bounds.c b/test/tighten-bounds.c new file mode 100644 index 000000000..f5430e447 --- /dev/null +++ b/test/tighten-bounds.c @@ -0,0 +1,172 @@ +/* + * Copyright © 2011 Uli Schlachter + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + */ + +#include "cairo-test.h" + +static void path_none (cairo_t *cr, int size) +{ +} + +static void path_box (cairo_t *cr, int size) +{ + cairo_rectangle (cr, 0, 0, size, size); +} + +static void path_box_unaligned (cairo_t *cr, int size) +{ + cairo_rectangle (cr, 0.5, 0.5, size - 1, size - 1); +} + +static void path_triangle (cairo_t *cr, int size) +{ + cairo_move_to (cr, 0, 0); + cairo_line_to (cr, size/2, size); + cairo_line_to (cr, size, 0); + cairo_close_path (cr); +} + +static void path_circle (cairo_t *cr, int size) +{ + cairo_arc (cr, size / 2.0, size / 2.0, size / 2.0, 0, 2 * M_PI); +} + +static void (* const path_funcs[])(cairo_t *cr, int size) = { + path_none, + path_box, + path_box_unaligned, + path_triangle, + path_circle +}; + +#define SIZE 20 +#define PAD 2 +#define TYPES 6 +/* All-clipped is boring, thus we skip path_none for clipping */ +#define CLIP_OFFSET 1 +#define IMAGE_WIDTH ((ARRAY_LENGTH (path_funcs) - CLIP_OFFSET) * TYPES * (SIZE + PAD) - PAD) +#define IMAGE_HEIGHT (ARRAY_LENGTH (path_funcs) * (SIZE + PAD) - PAD) + +static void +draw_idx (cairo_t *cr, int i, int j, int type) +{ + cairo_bool_t little_path; + cairo_bool_t empty_clip; + cairo_bool_t little_clip; + + /* The lowest bit controls the path, the rest the clip */ + little_path = type & 1; + + /* We don't want the combination "empty_clip = TRUE, little_clip = FALSE" + * (== all clipped). + */ + switch (type >> 1) + { + case 0: + empty_clip = FALSE; + little_clip = FALSE; + break; + case 1: + empty_clip = FALSE; + little_clip = TRUE; + break; + case 2: + empty_clip = TRUE; + little_clip = TRUE; + break; + default: + return; + } + + cairo_save (cr); + + /* Thanks to the fill rule, drawing something twice removes it again */ + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + + path_funcs[i] (cr, SIZE); + if (empty_clip) + path_funcs[i] (cr, SIZE); + if (little_clip) + { + cairo_save (cr); + cairo_translate (cr, SIZE / 4, SIZE / 4); + path_funcs[i] (cr, SIZE / 2); + cairo_restore (cr); + } + cairo_clip (cr); + + path_funcs[j] (cr, SIZE); + path_funcs[j] (cr, SIZE); + if (little_path) + { + /* Draw the object again in the center of itself */ + cairo_save (cr); + cairo_translate (cr, SIZE / 4, SIZE / 4); + path_funcs[j] (cr, SIZE / 2); + cairo_restore (cr); + } + cairo_fill (cr); + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + size_t i, j, k; + + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_paint (cr); + + /* Set an unbounded operator so that we can see how accurate the bounded + * extents were. + */ + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + cairo_set_source_rgb (cr, 1, 1, 1); + + for (j = 0; j < ARRAY_LENGTH (path_funcs); j++) { + cairo_save (cr); + for (i = CLIP_OFFSET; i < ARRAY_LENGTH (path_funcs); i++) { + for (k = 0; k < TYPES; k++) { + cairo_save (cr); + cairo_rectangle (cr, 0, 0, SIZE, SIZE); + cairo_clip (cr); + draw_idx (cr, i, j, k); + cairo_restore (cr); + cairo_translate (cr, SIZE + PAD, 0); + } + } + cairo_restore (cr); + cairo_translate (cr, 0, SIZE + PAD); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (tighten_bounds, + "Tests that we tighten the bounds after tessellation.", + "fill", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/toy-font-face.c b/test/toy-font-face.c new file mode 100644 index 000000000..cbebf840a --- /dev/null +++ b/test/toy-font-face.c @@ -0,0 +1,149 @@ +/* + * Copyright © 2005,2008 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + * Behdad Esfahbod <behdad@behdad.org> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cairo-test.h" + +#include <cairo.h> +#include <assert.h> +#include <string.h> + +#if CAIRO_HAS_WIN32_FONT +#define CAIRO_FONT_FAMILY_DEFAULT "Arial" +#elif CAIRO_HAS_QUARTZ_FONT +#define CAIRO_FONT_FAMILY_DEFAULT "Helvetica" +#elif CAIRO_HAS_FT_FONT +#define CAIRO_FONT_FAMILY_DEFAULT "" +#else +#define CAIRO_FONT_FAMILY_DEFAULT "@cairo:" +#endif + + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + cairo_t *cr; + cairo_surface_t *surface; + cairo_font_face_t *font_face; + cairo_status_t status; + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 0, 0); + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + font_face = cairo_font_face_reference (cairo_get_font_face (cr)); + assert (cairo_font_face_get_type (font_face) == CAIRO_FONT_TYPE_TOY); + assert (cairo_toy_font_face_get_family (font_face) != NULL); + assert (cairo_toy_font_face_get_slant (font_face) == CAIRO_FONT_SLANT_NORMAL); + assert (cairo_toy_font_face_get_weight (font_face) == CAIRO_FONT_WEIGHT_NORMAL); + status = cairo_font_face_status(font_face); + cairo_font_face_destroy (font_face); + + if (status) + return cairo_test_status_from_status (ctx, status); + + cairo_select_font_face (cr, + "bizarre", + CAIRO_FONT_SLANT_OBLIQUE, + CAIRO_FONT_WEIGHT_BOLD); + font_face = cairo_font_face_reference (cairo_get_font_face (cr)); + assert (cairo_font_face_get_type (font_face) == CAIRO_FONT_TYPE_TOY); + assert (0 == (strcmp) (cairo_toy_font_face_get_family (font_face), "bizarre")); + assert (cairo_toy_font_face_get_slant (font_face) == CAIRO_FONT_SLANT_OBLIQUE); + assert (cairo_toy_font_face_get_weight (font_face) == CAIRO_FONT_WEIGHT_BOLD); + status = cairo_font_face_status(font_face); + cairo_font_face_destroy (font_face); + + if (status) + return cairo_test_status_from_status (ctx, status); + + font_face = cairo_toy_font_face_create ("bozarre", + CAIRO_FONT_SLANT_OBLIQUE, + CAIRO_FONT_WEIGHT_BOLD); + assert (cairo_font_face_get_type (font_face) == CAIRO_FONT_TYPE_TOY); + assert (0 == (strcmp) (cairo_toy_font_face_get_family (font_face), "bozarre")); + assert (cairo_toy_font_face_get_slant (font_face) == CAIRO_FONT_SLANT_OBLIQUE); + assert (cairo_toy_font_face_get_weight (font_face) == CAIRO_FONT_WEIGHT_BOLD); + status = cairo_font_face_status(font_face); + cairo_font_face_destroy (font_face); + + if (status) + return cairo_test_status_from_status (ctx, status); + + font_face = cairo_toy_font_face_create (NULL, + CAIRO_FONT_SLANT_OBLIQUE, + CAIRO_FONT_WEIGHT_BOLD); + assert (cairo_font_face_get_type (font_face) == CAIRO_FONT_TYPE_TOY); + assert (0 == (strcmp) (cairo_toy_font_face_get_family (font_face), CAIRO_FONT_FAMILY_DEFAULT)); + assert (cairo_toy_font_face_get_slant (font_face) == CAIRO_FONT_SLANT_NORMAL); + assert (cairo_toy_font_face_get_weight (font_face) == CAIRO_FONT_WEIGHT_NORMAL); + assert (cairo_font_face_status(font_face) == CAIRO_STATUS_NULL_POINTER); + cairo_font_face_destroy (font_face); + + font_face = cairo_toy_font_face_create ("\xff", + CAIRO_FONT_SLANT_OBLIQUE, + CAIRO_FONT_WEIGHT_BOLD); + assert (cairo_font_face_get_type (font_face) == CAIRO_FONT_TYPE_TOY); + assert (0 == (strcmp) (cairo_toy_font_face_get_family (font_face), CAIRO_FONT_FAMILY_DEFAULT)); + assert (cairo_toy_font_face_get_slant (font_face) == CAIRO_FONT_SLANT_NORMAL); + assert (cairo_toy_font_face_get_weight (font_face) == CAIRO_FONT_WEIGHT_NORMAL); + assert (cairo_font_face_status(font_face) == CAIRO_STATUS_INVALID_STRING); + cairo_font_face_destroy (font_face); + + font_face = cairo_toy_font_face_create ("sans", + -1, + CAIRO_FONT_WEIGHT_BOLD); + assert (cairo_font_face_get_type (font_face) == CAIRO_FONT_TYPE_TOY); + assert (0 == (strcmp) (cairo_toy_font_face_get_family (font_face), CAIRO_FONT_FAMILY_DEFAULT)); + assert (cairo_toy_font_face_get_slant (font_face) == CAIRO_FONT_SLANT_NORMAL); + assert (cairo_toy_font_face_get_weight (font_face) == CAIRO_FONT_WEIGHT_NORMAL); + assert (cairo_font_face_status(font_face) == CAIRO_STATUS_INVALID_SLANT); + cairo_font_face_destroy (font_face); + + font_face = cairo_toy_font_face_create ("sans", + CAIRO_FONT_SLANT_OBLIQUE, + -1); + assert (cairo_font_face_get_type (font_face) == CAIRO_FONT_TYPE_TOY); + assert (0 == (strcmp) (cairo_toy_font_face_get_family (font_face), CAIRO_FONT_FAMILY_DEFAULT)); + assert (cairo_toy_font_face_get_slant (font_face) == CAIRO_FONT_SLANT_NORMAL); + assert (cairo_toy_font_face_get_weight (font_face) == CAIRO_FONT_WEIGHT_NORMAL); + assert (cairo_font_face_status(font_face) == CAIRO_STATUS_INVALID_WEIGHT); + cairo_font_face_destroy (font_face); + + cairo_destroy (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (toy_font_face, + "Check the construction of 'toy' font faces", + "font, api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/transforms.c b/test/transforms.c new file mode 100644 index 000000000..17b139687 --- /dev/null +++ b/test/transforms.c @@ -0,0 +1,112 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define WIDTH 45 +#define HEIGHT 30 + +static void +draw_L_shape (cairo_t *cr) +{ + cairo_move_to (cr, 0, 0); + cairo_rel_line_to (cr, 0, 10); + cairo_rel_line_to (cr, 5, 0); + + cairo_save (cr); + cairo_identity_matrix (cr); + cairo_set_line_width (cr, 2.0); + cairo_stroke (cr); + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + /* We draw in the default black, so paint white first. */ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_translate (cr, 5, 5); + + draw_L_shape (cr); + + cairo_translate (cr, 10, 0); + + cairo_save (cr); + { + cairo_scale (cr, 2, 2); + draw_L_shape (cr); + } + cairo_restore (cr); + + cairo_translate (cr, 15, 0); + + cairo_save (cr); + { + cairo_rotate (cr, M_PI / 2.0); + draw_L_shape (cr); + } + cairo_restore (cr); + + cairo_translate (cr, 5, 0); + + cairo_save (cr); + { + cairo_matrix_t skew_y = { + 1, -1, + 0, 1, + 0, 0 + }; + cairo_transform (cr, &skew_y); + draw_L_shape (cr); + } + cairo_restore (cr); + + cairo_translate (cr, 5, 10); + + cairo_save (cr); + { + cairo_matrix_t skew_x = { + 1.0, 0.0, + -0.5, 1.0, + 0.0, 0.0 + }; + cairo_transform (cr, &skew_x); + draw_L_shape (cr); + } + cairo_restore (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (transforms, + "Test various transformations.", + "transforms, api", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/translate-show-surface.c b/test/translate-show-surface.c new file mode 100644 index 000000000..9f7af8db2 --- /dev/null +++ b/test/translate-show-surface.c @@ -0,0 +1,79 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +/* Bug history + * + * 2005-04-11 Carl Worth <cworth@cworth.org> + * + * It appears that calling cairo_show_surface after cairo_translate + * somehow applies the translation twice to the surface being + * shown. This is pretty easy to demonstrate by bringing up xsvg on + * an SVG file with an <image> and panning around a bit with the + * arrow keys. + * + * This is almost certainly a regression, and I suspect there may be + * some interaction with the fix for move-to-show-surface. + * + * 2005-04-12 Carl Worth <cworth@cworth.org> + * + * I committed a fix for this bug today. + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + uint32_t colors[4] = { + 0xffffffff, 0xffff0000, + 0xff00ff00, 0xff0000ff + }; + int i; + + for (i=0; i < 4; i++) { + surface = cairo_image_surface_create_for_data ((unsigned char *) &colors[i], + CAIRO_FORMAT_RGB24, + 1, 1, 4); + cairo_save (cr); + { + cairo_translate (cr, i % 2, i / 2); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_paint (cr); + } + cairo_restore (cr); + cairo_surface_finish (surface); /* colors will go out of scope */ + cairo_surface_destroy (surface); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (translate_show_surface, + "Tests calls to cairo_show_surface after cairo_translate", + "transform", /* keywords */ + NULL, /* requirements */ + 2, 2, + NULL, draw) diff --git a/test/trap-clip.c b/test/trap-clip.c new file mode 100644 index 000000000..f1a24ca8d --- /dev/null +++ b/test/trap-clip.c @@ -0,0 +1,213 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define WIDTH 16 +#define HEIGHT 16 +#define PAD 2 + +static const char *png_filename = "romedalen.png"; +static cairo_surface_t *image; + +static void +set_solid_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) +{ + cairo_set_source_rgb (cr, 0, 0, 0.6); +} + +static void +set_translucent_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) +{ + cairo_set_source_rgba (cr, 0, 0, 0.6, 0.5); +} + +static void +set_gradient_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) +{ + cairo_pattern_t *pattern; + + pattern = + cairo_pattern_create_linear (x, y, x + WIDTH, y + HEIGHT); + cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 1, 1, 1); + cairo_pattern_add_color_stop_rgba (pattern, 1, 0, 0, 0.4, 1); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +static void +set_image_pattern (const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) +{ + cairo_pattern_t *pattern; + + if (image == NULL || cairo_surface_status (image)) { + cairo_surface_destroy (image); + image = cairo_test_create_surface_from_png (ctx, png_filename); + } + + pattern = cairo_pattern_create_for_surface (image); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); +} + +static void +draw_rect (cairo_t *cr, int x, int y) +{ + cairo_new_path (cr); + cairo_rectangle (cr, x, y, WIDTH, HEIGHT); + cairo_fill (cr); +} + +static void +draw_rects (cairo_t *cr, int x, int y) +{ + int width = WIDTH / 3; + int height = HEIGHT / 2; + + cairo_new_path (cr); + cairo_rectangle (cr, x, y, width, height); + cairo_rectangle (cr, x + width, y + height, width, height); + cairo_rectangle (cr, x + 2 * width, y, width, height); + cairo_fill (cr); +} + +static void +draw_polygon (cairo_t *cr, int x, int y) +{ + cairo_new_path (cr); + cairo_move_to (cr, x, y); + cairo_line_to (cr, x, y + HEIGHT); + cairo_line_to (cr, x + WIDTH / 2, y + 3 * HEIGHT / 4); + cairo_line_to (cr, x + WIDTH, y + HEIGHT); + cairo_line_to (cr, x + WIDTH, y); + cairo_line_to (cr, x + WIDTH / 2, y + HEIGHT / 4); + cairo_close_path (cr); + cairo_fill (cr); +} + +static void +clip_none (cairo_t *cr, int x, int y) +{ +} + +static void +clip_rect (cairo_t *cr, int x, int y) +{ + cairo_new_path (cr); + cairo_rectangle (cr, x + (int)WIDTH / 6, y + (int)HEIGHT / 6, + 4 * ((int)WIDTH / 6), 4 * ((int)WIDTH / 6)); + cairo_clip (cr); + cairo_new_path (cr); +} + +static void +clip_rects (cairo_t *cr, int x, int y) +{ + int height = HEIGHT / 3; + + cairo_new_path (cr); + cairo_rectangle (cr, x, y, WIDTH, height); + cairo_rectangle (cr, x, y + 2 * height, WIDTH, height); + cairo_clip (cr); + cairo_new_path (cr); +} + +static void +clip_circle (cairo_t *cr, int x, int y) +{ + cairo_new_path (cr); + cairo_arc (cr, x + WIDTH / 2, y + HEIGHT / 2, + WIDTH / 3, 0, 2 * M_PI); + cairo_clip (cr); + cairo_new_path (cr); +} + +static void (* const pattern_funcs[])(const cairo_test_context_t *ctx, cairo_t *cr, int x, int y) = { + set_solid_pattern, + set_translucent_pattern, + set_gradient_pattern, + set_image_pattern, +}; + +static void (* const draw_funcs[])(cairo_t *cr, int x, int y) = { + draw_rect, + draw_rects, + draw_polygon, +}; + +static void (* const clip_funcs[])(cairo_t *cr, int x, int y) = { + clip_none, + clip_rect, + clip_rects, + clip_circle, +}; + +#define IMAGE_WIDTH (ARRAY_LENGTH (pattern_funcs) * (WIDTH + PAD) + PAD) +#define IMAGE_HEIGHT (ARRAY_LENGTH (draw_funcs) * ARRAY_LENGTH (clip_funcs) * (HEIGHT + PAD) + PAD) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + size_t i, j, k, x, y; + + for (k = 0; k < ARRAY_LENGTH (clip_funcs); k++) { + for (j = 0; j < ARRAY_LENGTH (draw_funcs); j++) { + for (i = 0; i < ARRAY_LENGTH (pattern_funcs); i++) { + x = i * (WIDTH + PAD) + PAD; + y = (ARRAY_LENGTH (draw_funcs) * k + j) * (HEIGHT + PAD) + PAD; + + cairo_save (cr); + + cairo_move_to (cr, x, y); + clip_funcs[k] (cr, x, y); + pattern_funcs[i] (ctx, cr, x, y); + draw_funcs[j] (cr, x, y); + if (cairo_status (cr)) + cairo_test_log (ctx, "%d %d HERE!\n", (int)i, (int)j); + + cairo_restore (cr); + } + } + } + + if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) + cairo_test_log (ctx, "%d %d .HERE!\n", (int)i, (int)j); + + cairo_surface_destroy (image); + image = NULL; + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (trap_clip, + "Trapezoid clipping", + "clip, trap", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/twin-antialias-gray.c b/test/twin-antialias-gray.c new file mode 100644 index 000000000..8e00370b0 --- /dev/null +++ b/test/twin-antialias-gray.c @@ -0,0 +1,71 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_options_t *options; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_GRAY); + + cairo_select_font_face (cr, + "@cairo:", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + options = cairo_font_options_create (); + cairo_font_options_set_antialias (options, CAIRO_ANTIALIAS_GRAY); + cairo_set_font_options (cr, options); + cairo_font_options_destroy (options); + + cairo_set_font_size (cr, 16); + + cairo_move_to (cr, 4, 14); + cairo_show_text (cr, "Is cairo's twin giza?"); + + cairo_move_to (cr, 4, 34); + cairo_text_path (cr, "Is cairo's twin giza?"); + cairo_fill (cr); + + cairo_move_to (cr, 4, 54); + cairo_text_path (cr, "Is cairo's twin giza?"); + cairo_set_line_width (cr, 2/16.); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (twin_antialias_gray, + "Tests the internal font (with antialiasing reduced)", + "twin, font", /* keywords */ + "target=raster", /* requirements */ + 140, 60, + NULL, draw) diff --git a/test/twin-antialias-mixed.c b/test/twin-antialias-mixed.c new file mode 100644 index 000000000..da4121a1d --- /dev/null +++ b/test/twin-antialias-mixed.c @@ -0,0 +1,97 @@ +/* + * Copyright 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_scaled_font_t * +create_twin (cairo_t *cr, cairo_antialias_t antialias) +{ + cairo_font_options_t *options; + + cairo_select_font_face (cr, + "@cairo:", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + options = cairo_font_options_create (); + cairo_font_options_set_antialias (options, antialias); + cairo_set_font_options (cr, options); + cairo_font_options_destroy (options); + + return cairo_scaled_font_reference (cairo_get_scaled_font (cr)); +} + + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_scaled_font_t *subpixel, *gray, *none; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_set_font_size (cr, 16); + subpixel = create_twin (cr, CAIRO_ANTIALIAS_SUBPIXEL); + gray = create_twin (cr, CAIRO_ANTIALIAS_GRAY); + none = create_twin (cr, CAIRO_ANTIALIAS_NONE); + + cairo_move_to (cr, 4, 14); + cairo_set_scaled_font (cr, subpixel); + cairo_show_text (cr, "Is cairo's"); + cairo_set_scaled_font (cr, gray); + cairo_show_text (cr, " twin"); + cairo_set_scaled_font (cr, none); + cairo_show_text (cr, " giza?"); + + cairo_move_to (cr, 4, 34); + cairo_set_scaled_font (cr, gray); + cairo_show_text (cr, "Is cairo's"); + cairo_set_scaled_font (cr, none); + cairo_show_text (cr, " twin"); + cairo_set_scaled_font (cr, subpixel); + cairo_show_text (cr, " giza?"); + + cairo_move_to (cr, 4, 54); + cairo_set_scaled_font (cr, none); + cairo_show_text (cr, "Is cairo's"); + cairo_set_scaled_font (cr, gray); + cairo_show_text (cr, " twin"); + cairo_set_scaled_font (cr, subpixel); + cairo_show_text (cr, " giza?"); + + cairo_scaled_font_destroy (none); + cairo_scaled_font_destroy (gray); + cairo_scaled_font_destroy (subpixel); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (twin_antialias_mixed, + "Tests the internal font (with intermixed antialiasing)", + "twin, font", /* keywords */ + "target=raster", /* requirements */ + 140, 60, + NULL, draw) diff --git a/test/twin-antialias-none.c b/test/twin-antialias-none.c new file mode 100644 index 000000000..a5b713db3 --- /dev/null +++ b/test/twin-antialias-none.c @@ -0,0 +1,71 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_options_t *options; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + cairo_select_font_face (cr, + "@cairo:", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + options = cairo_font_options_create (); + cairo_font_options_set_antialias (options, CAIRO_ANTIALIAS_NONE); + cairo_set_font_options (cr, options); + cairo_font_options_destroy (options); + + cairo_set_font_size (cr, 16); + + cairo_move_to (cr, 4, 14); + cairo_show_text (cr, "Is cairo's twin giza?"); + + cairo_move_to (cr, 4, 34); + cairo_text_path (cr, "Is cairo's twin giza?"); + cairo_fill (cr); + + cairo_move_to (cr, 4, 54); + cairo_text_path (cr, "Is cairo's twin giza?"); + cairo_set_line_width (cr, 2/16.); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (twin_antialias_none, + "Tests the internal font (with antialiasing disabled)", + "twin, font", /* keywords */ + "target=raster", /* requirements */ + 140, 60, + NULL, draw) diff --git a/test/twin-antialias-subpixel.c b/test/twin-antialias-subpixel.c new file mode 100644 index 000000000..e0262863c --- /dev/null +++ b/test/twin-antialias-subpixel.c @@ -0,0 +1,71 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_options_t *options; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_SUBPIXEL); + + cairo_select_font_face (cr, + "@cairo:", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + options = cairo_font_options_create (); + cairo_font_options_set_antialias (options, CAIRO_ANTIALIAS_SUBPIXEL); + cairo_set_font_options (cr, options); + cairo_font_options_destroy (options); + + cairo_set_font_size (cr, 16); + + cairo_move_to (cr, 4, 14); + cairo_show_text (cr, "Is cairo's twin giza?"); + + cairo_move_to (cr, 4, 34); + cairo_text_path (cr, "Is cairo's twin giza?"); + cairo_fill (cr); + + cairo_move_to (cr, 4, 54); + cairo_text_path (cr, "Is cairo's twin giza?"); + cairo_set_line_width (cr, 2/16.); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (twin_antialias_subpixel, + "Tests the internal font (with subpixel antialiasing)", + "twin, font", /* keywords */ + "target=raster", /* requirements */ + 140, 60, + NULL, draw) diff --git a/test/twin.c b/test/twin.c new file mode 100644 index 000000000..08865f077 --- /dev/null +++ b/test/twin.c @@ -0,0 +1,61 @@ +/* + * Copyright 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_select_font_face (cr, + "@cairo:", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, 16); + + cairo_move_to (cr, 4, 14); + cairo_show_text (cr, "Is cairo's twin giza?"); + + cairo_move_to (cr, 4, 34); + cairo_text_path (cr, "Is cairo's twin giza?"); + cairo_fill (cr); + + cairo_move_to (cr, 4, 54); + cairo_text_path (cr, "Is cairo's twin giza?"); + cairo_set_line_width (cr, 2/16.); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (twin, + "Tests the internal font", + "twin, font", /* keywords */ + NULL, /* requirements */ + 140, 60, + NULL, draw) diff --git a/test/unaligned-box.c b/test/unaligned-box.c new file mode 100644 index 000000000..552691934 --- /dev/null +++ b/test/unaligned-box.c @@ -0,0 +1,73 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define WIDTH 48 +#define HEIGHT 52 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int sx, sy; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + + cairo_translate(cr, 2, 2); + + for (sx = 1; sx <= 4; sx++) { + cairo_save (cr); + for (sy = 1; sy <= 4; sy++) { + cairo_rectangle (cr, 0, 0, sx, sy); + cairo_fill (cr); + + cairo_rectangle (cr, sx + 1 + .5, 0, sx, sy); + cairo_fill (cr); + + cairo_rectangle (cr, 0, sy + 1 + .5, sx, sy); + cairo_fill (cr); + + cairo_rectangle (cr, sx + 1 + .5, sy + 1 + .5, sx-.5, sy-.5); + cairo_fill (cr); + + cairo_translate (cr, 2*sx + 3, 0); + } + cairo_restore (cr); + cairo_translate (cr, 0, 2*sy + 3); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (unaligned_box, + "Tests handling of various boundary conditions for unaligned rectangles.", + "fill", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/unantialiased-shapes.c b/test/unantialiased-shapes.c new file mode 100644 index 000000000..b53ed0d6e --- /dev/null +++ b/test/unantialiased-shapes.c @@ -0,0 +1,98 @@ +/* + * Copyright © 2005 Billy Biggs + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Billy Biggs not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Billy Biggs makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * BILLY BIGGS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL BILLY BIGGS BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Billy Biggs <vektor@dumbterm.net> + */ + +#include "cairo-test.h" + +/* The star shape from the SVG test suite, from the fill rule test */ +static void +big_star_path (cairo_t *cr) +{ + cairo_move_to (cr, 40, 0); + cairo_rel_line_to (cr, 25, 80); + cairo_rel_line_to (cr, -65, -50); + cairo_rel_line_to (cr, 80, 0); + cairo_rel_line_to (cr, -65, 50); + cairo_close_path (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + + /* Try a circle */ + cairo_arc (cr, 40, 40, 20, 0, 2 * M_PI); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_fill (cr); + + /* Try using clipping to draw a circle */ + cairo_arc (cr, 100, 40, 20, 0, 2 * M_PI); + cairo_clip (cr); + cairo_rectangle (cr, 80, 20, 40, 40); + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_fill (cr); + + /* Reset the clipping */ + cairo_reset_clip (cr); + + /* Draw a bunch of lines */ + cairo_set_line_width (cr, 1.0); + cairo_set_source_rgb (cr, 0, 1, 0); + for (i = 0; i < 10; i++) { + cairo_move_to (cr, 10, 70 + (i * 4)); + cairo_line_to (cr, 120, 70 + (i * 18)); + cairo_stroke (cr); + } + + /* Try filling a poly */ + cairo_translate (cr, 160, 120); + cairo_set_source_rgb (cr, 1, 1, 0); + big_star_path (cr); + cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); + cairo_fill (cr); + cairo_translate (cr, -160, -120); + + /* How about some curves? */ + cairo_set_source_rgb (cr, 1, 0, 1); + for (i = 0; i < 10; i++) { + cairo_move_to (cr, 150, 50 + (i * 5)); + cairo_curve_to (cr, 250, 50, 200, (i * 10), 300, 50 + (i * 10)); + cairo_stroke (cr); + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (unantialiased_shapes, + "Test shape drawing without antialiasing", + "fill, stroke", /* keywords */ + "target=raster", /* requirements */ + 320, 240, + NULL, draw) diff --git a/test/unbounded-operator.c b/test/unbounded-operator.c new file mode 100644 index 000000000..ac1c50d1d --- /dev/null +++ b/test/unbounded-operator.c @@ -0,0 +1,185 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Kristian Høgsberg <krh@redhat.com> + * Owen Taylor <otaylor@redhat.com> + */ + +#include "cairo-test.h" +#include <math.h> +#include <stdio.h> + +#define WIDTH 16 +#define HEIGHT 16 +#define PAD 2 + +static void +draw_mask (cairo_t *cr, int x, int y) +{ + cairo_surface_t *mask_surface; + cairo_t *cr2; + + double width = (int)(0.9 * WIDTH); + double height = (int)(0.9 * HEIGHT); + x += 0.05 * WIDTH; + y += 0.05 * HEIGHT; + + mask_surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + width, height); + cr2 = cairo_create (mask_surface); + cairo_surface_destroy (mask_surface); + + cairo_save (cr2); + cairo_set_source_rgba (cr2, 0, 0, 0, 0); /* transparent */ + cairo_set_operator (cr2, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr2); + cairo_restore (cr2); + + cairo_set_source_rgb (cr2, 1, 1, 1); /* white */ + + cairo_arc (cr2, 0.5 * width, 0.5 * height, 0.45 * height, 0, 2 * M_PI); + cairo_fill (cr2); + + cairo_mask_surface (cr, cairo_get_target (cr2), x, y); + cairo_destroy (cr2); +} + +static void +draw_glyphs (cairo_t *cr, int x, int y) +{ + cairo_text_extents_t extents; + + cairo_set_font_size (cr, 0.8 * HEIGHT); + + cairo_text_extents (cr, "FG", &extents); + cairo_move_to (cr, + x + floor ((WIDTH - extents.width) / 2 + 0.5) - extents.x_bearing, + y + floor ((HEIGHT - extents.height) / 2 + 0.5) - extents.y_bearing); + cairo_show_text (cr, "FG"); +} + +static void +draw_polygon (cairo_t *cr, int x, int y) +{ + double width = (int)(0.9 * WIDTH); + double height = (int)(0.9 * HEIGHT); + x += 0.05 * WIDTH; + y += 0.05 * HEIGHT; + + cairo_new_path (cr); + cairo_move_to (cr, x, y); + cairo_line_to (cr, x, y + height); + cairo_line_to (cr, x + width / 2, y + 3 * height / 4); + cairo_line_to (cr, x + width, y + height); + cairo_line_to (cr, x + width, y); + cairo_line_to (cr, x + width / 2, y + height / 4); + cairo_close_path (cr); + cairo_fill (cr); +} + +static void +draw_rects (cairo_t *cr, int x, int y) +{ + double block_width = (int)(0.33 * WIDTH + 0.5); + double block_height = (int)(0.33 * HEIGHT + 0.5); + int i, j; + + for (i = 0; i < 3; i++) + for (j = 0; j < 3; j++) + if ((i + j) % 2 == 0) + cairo_rectangle (cr, + x + block_width * i, y + block_height * j, + block_width, block_height); + + cairo_fill (cr); +} + +static void (*const draw_funcs[])(cairo_t *cr, int x, int y) = { + draw_mask, + draw_glyphs, + draw_polygon, + draw_rects +}; + +static cairo_operator_t operators[] = { + CAIRO_OPERATOR_IN, CAIRO_OPERATOR_OUT, + CAIRO_OPERATOR_DEST_IN, CAIRO_OPERATOR_DEST_ATOP +}; + +#define IMAGE_WIDTH (ARRAY_LENGTH (operators) * (WIDTH + PAD) + PAD) +#define IMAGE_HEIGHT (ARRAY_LENGTH (draw_funcs) * (HEIGHT + PAD) + PAD) + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const cairo_test_context_t *ctx = cairo_test_get_context (cr); + size_t i, j, x, y; + cairo_pattern_t *pattern; + + cairo_select_font_face (cr, CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + for (j = 0; j < ARRAY_LENGTH (draw_funcs); j++) { + for (i = 0; i < ARRAY_LENGTH (operators); i++) { + x = i * (WIDTH + PAD) + PAD; + y = j * (HEIGHT + PAD) + PAD; + + cairo_save (cr); + + pattern = cairo_pattern_create_linear (x + WIDTH, y, + x, y + HEIGHT); + cairo_pattern_add_color_stop_rgba (pattern, 0.2, + 0.0, 0.0, 1.0, 1.0); /* Solid blue */ + cairo_pattern_add_color_stop_rgba (pattern, 0.8, + 0.0, 0.0, 1.0, 0.0); /* Transparent blue */ + cairo_set_source (cr, pattern); + cairo_pattern_destroy (pattern); + + cairo_rectangle (cr, x, y, WIDTH, HEIGHT); + cairo_fill_preserve (cr); + cairo_clip (cr); + + cairo_set_operator (cr, operators[i]); + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); + + draw_funcs[j] (cr, x, y); + if (cairo_status (cr)) + cairo_test_log (ctx, "%d %d HERE!\n", (int)i, (int)j); + + cairo_restore (cr); + } + } + + if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) + cairo_test_log (ctx, "%d %d .HERE!\n", (int)i, (int)j); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (unbounded_operator, + "Operators with an effect for transparent source/mask", + "operator", /* keywords */ + NULL, /* requirements */ + IMAGE_WIDTH, IMAGE_HEIGHT, + NULL, draw) diff --git a/test/unclosed-strokes.c b/test/unclosed-strokes.c new file mode 100644 index 000000000..40a76eb6b --- /dev/null +++ b/test/unclosed-strokes.c @@ -0,0 +1,83 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" + +#define LINE_WIDTH 10. +#define SIZE (5 * LINE_WIDTH) +#define PAD (2 * LINE_WIDTH) + +static void +make_path (cairo_t *cr) +{ + cairo_move_to (cr, 0, 0); + cairo_rel_line_to (cr, -SIZE/2, SIZE); + cairo_rel_line_to (cr, SIZE, 0); + /* back to the start, but do not close */ + cairo_rel_line_to (cr, -SIZE/2, -SIZE); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_save (cr); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + cairo_restore (cr); + + cairo_set_line_width (cr, LINE_WIDTH); + cairo_translate (cr, PAD + SIZE / 2., PAD); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL); + make_path (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0, SIZE + PAD); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + make_path (cr); + cairo_stroke (cr); + + cairo_translate (cr, 0, SIZE + PAD); + + cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); + make_path (cr); + cairo_stroke (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (unclosed_strokes, + "Test coincident end-points are capped and not joined", + "stroke, caps", /* keywords */ + NULL, /* requirements */ + PAD + SIZE + PAD, + 3 * (PAD + SIZE) + PAD, + NULL, draw) + diff --git a/test/update-refs.sh b/test/update-refs.sh new file mode 100755 index 000000000..104eeb8d9 --- /dev/null +++ b/test/update-refs.sh @@ -0,0 +1,84 @@ +#!/bin/bash + +# This script can be used to update the reference images using certain +# test results as a baseline. +# +# Our test suite expects nearly pixel-perfection, but in some cases we +# give the renderer some flexibility and so these cases will show up as +# test failures. So, this script can be used to do a visual check and +# if they "look" ok, to go ahead and update the reference image by +# copying the test output. +# +# NOTE: When adding to this file, make sure to thoroughly document the +# rationale when and why the existing reference images can be updated +# from regular test output, such that people other than you can +# intelligently keep the test reference images updated. + +if [ ! -d output ] || [ ! -d reference ]; then + echo "This script must be run in cairo's test directory after the full testsuite has been run." + exit +fi + +PDIFF="./pdiff/perceptualdiff" + +# Returns 1 if images are different, 0 if they're essentially identical +images_differ() { + # Check if bytewise identical + if cmp --silent "${1}" "${2}"; then + # Images are identical + return 0 + fi + + # Run perceptualdiff with minimum threshold + pdiff_output=$($PDIFF "${1}" "${2}" -threshold 1) + result=${pdiff_output%:*} + notes=$(echo "${pdiff_output#*: }" | tail -n 1) + if [ "$result" = "PASS" ] && [ "$notes" = "Images are binary identical" ]; then + return 0 + fi + + return 1 +} + +# ---------------------------------------------------------------------- +# pixman-downscale images +# +# The *-95 tests check rendering at a difficult to downsize dimension. +# The border pixels between different colored areas can be blurred in +# different ways resulting in some color variation that is acceptable +# but throws off the testsuite. So a visual check is sufficient to +# verify the results aren't crazily off. + +# Use the ARGB32 format of the image file as the main reference +for file in $(ls ./output/pixman-downscale-*-95.image.argb32.out.png); do + dest=$(basename ${file/.image.argb32.out./.ref.}) + echo "$file -> ./reference/${dest}" + cp $file ./reference/${dest} +done +echo + +# If the ARGB32 format of a given backend's file differs from the main reference, +# then use it as the backend reference +for file in $(ls ./output/pixman-downscale-*-95.*.argb32.out.png); do + ref=$(basename ${file/-95.*.argb32.out.png/-95.ref.png}) + if ! images_differ "./reference/${ref}" "${file}"; then + dest=$(basename ${file/.argb32.out.png/.ref.png}) + echo "${file} -> ./reference/${dest}" + cp ${file} ./reference/${dest} + fi +done +echo + +# If the RGB24 format differs from existing ref image, then use it as a ref. +for file in $(ls ./output/pixman-downscale-*-95.*.rgb24.out.png); do + ref=$(basename ${file/.rgb24.out.png/.ref.png}) + if [ ! -e "./reference/${ref}" ]; then + ref=$(basename ${file/-95.*.rgb24.out.png/-95.ref.png}) + fi + + if ! images_differ "./reference/${ref}" "${file}"; then + dest=$(basename ${file/.rgb24.out.png/.rgb24.ref.png}) + echo "${file} -> ./reference/${dest}" + cp ${file} ./reference/${dest} + fi +done diff --git a/test/user-data.c b/test/user-data.c new file mode 100644 index 000000000..532107aa2 --- /dev/null +++ b/test/user-data.c @@ -0,0 +1,110 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Kristian Høgsberg <krh@redhat.com> + */ + +#include "cairo-test.h" + +#include <assert.h> + +static void +destroy_data1 (void *p) +{ + *(int *) p = 1; +} + +static void +destroy_data2 (void *p) +{ + *(int *) p = 2; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + static const cairo_user_data_key_t key1, key2; + cairo_surface_t *surface; + cairo_status_t status; + int data1, data2; + + data1 = 0; + data2 = 0; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1); + status = cairo_surface_set_user_data (surface, &key1, &data1, destroy_data1); + if (status) + goto error; + + status = cairo_surface_set_user_data (surface, &key2, &data2, destroy_data2); + if (status) + goto error; + + assert (cairo_surface_get_user_data (surface, &key1) == &data1); + status = cairo_surface_set_user_data (surface, &key1, NULL, NULL); + if (status) + goto error; + + assert (cairo_surface_get_user_data (surface, &key1) == NULL); + assert (data1 == 1); + assert (data2 == 0); + + status = cairo_surface_set_user_data (surface, &key2, NULL, NULL); + if (status) + goto error; + + assert (data2 == 2); + + data1 = 0; + status = cairo_surface_set_user_data (surface, &key1, &data1, NULL); + if (status) + goto error; + + status = cairo_surface_set_user_data (surface, &key1, NULL, NULL); + if (status) + goto error; + + assert (data1 == 0); + assert (cairo_surface_get_user_data (surface, &key1) == NULL); + + status = cairo_surface_set_user_data (surface, &key1, &data1, destroy_data1); + if (status) + goto error; + + cairo_surface_destroy (surface); + + assert (data1 == 1); + assert (data2 == 2); + + return CAIRO_TEST_SUCCESS; + +error: + cairo_surface_destroy (surface); + return cairo_test_status_from_status (ctx, status); +} + +CAIRO_TEST (user_data, + "Test setting and getting random bits of user data.", + "api", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/user-font-mask.c b/test/user-font-mask.c new file mode 100644 index 000000000..cf548e649 --- /dev/null +++ b/test/user-font-mask.c @@ -0,0 +1,253 @@ +/* + * Copyright © 2006, 2008 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Contributor(s): + * Kristian Høgsberg <krh@redhat.com> + * Behdad Esfahbod <behdad@behdad.org> + * Adrian Johnson <ajohnson@redneon.com> + */ + +#include "cairo-test.h" + +#include <stdlib.h> +#include <stdio.h> + +/*#define ROTATED 1*/ + +#define BORDER 10 +#define TEXT_SIZE 64 +#define WIDTH (TEXT_SIZE * 15 + 2*BORDER) +#ifndef ROTATED + #define HEIGHT ((TEXT_SIZE + 2*BORDER)*2) +#else + #define HEIGHT WIDTH +#endif +#define END_GLYPH 0 +#define TEXT "cairo" + +/* Reverse the bits in a byte with 7 operations (no 64-bit): + * Devised by Sean Anderson, July 13, 2001. + * Source: http://graphics.stanford.edu/~seander/bithacks.html#ReverseByteWith32Bits + */ +#define CAIRO_BITSWAP8(c) ((((c) * 0x0802LU & 0x22110LU) | ((c) * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16) + +#ifdef WORDS_BIGENDIAN +#define CAIRO_BITSWAP8_IF_LITTLE_ENDIAN(c) (c) +#else +#define CAIRO_BITSWAP8_IF_LITTLE_ENDIAN(c) CAIRO_BITSWAP8(c) +#endif + + + +/* Simple glyph definition. data is an 8x8 bitmap. + */ +typedef struct { + unsigned long ucs4; + int width; + char data[8]; +} test_scaled_font_glyph_t; + +static cairo_user_data_key_t test_font_face_glyphs_key; + +static cairo_status_t +test_scaled_font_init (cairo_scaled_font_t *scaled_font, + cairo_t *cr, + cairo_font_extents_t *metrics) +{ + metrics->ascent = 1; + metrics->descent = 0; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +test_scaled_font_unicode_to_glyph (cairo_scaled_font_t *scaled_font, + unsigned long unicode, + unsigned long *glyph) +{ + test_scaled_font_glyph_t *glyphs = cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font), + &test_font_face_glyphs_key); + int i; + + for (i = 0; glyphs[i].ucs4 != (unsigned long) -1; i++) + if (glyphs[i].ucs4 == unicode) { + *glyph = i; + return CAIRO_STATUS_SUCCESS; + } + + /* Not found. Default to glyph 0 */ + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +test_scaled_font_render_glyph (cairo_scaled_font_t *scaled_font, + unsigned long glyph, + cairo_t *cr, + cairo_text_extents_t *metrics) +{ + test_scaled_font_glyph_t *glyphs = cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font), + &test_font_face_glyphs_key); + int i; + unsigned char *data; + cairo_surface_t *image; + cairo_pattern_t *pattern; + cairo_matrix_t matrix; + uint8_t byte; + + /* FIXME: We simply crash on out-of-bound glyph indices */ + + metrics->x_advance = (glyphs[glyph].width + 1) / 8.0; + + image = cairo_image_surface_create (CAIRO_FORMAT_A1, glyphs[glyph].width, 8); + if (cairo_surface_status (image)) + return cairo_surface_status (image); + + data = cairo_image_surface_get_data (image); + for (i = 0; i < 8; i++) { + byte = glyphs[glyph].data[i]; + *data = CAIRO_BITSWAP8_IF_LITTLE_ENDIAN (byte); + data += cairo_image_surface_get_stride (image); + } + cairo_surface_mark_dirty (image); + + pattern = cairo_pattern_create_for_surface (image); + cairo_surface_destroy (image); + + cairo_matrix_init_identity (&matrix); + cairo_matrix_scale (&matrix, 1.0/8.0, 1.0/8.0); + cairo_matrix_translate (&matrix, 0, -8); + cairo_matrix_invert (&matrix); + cairo_pattern_set_matrix (pattern, &matrix); + + cairo_set_source (cr, pattern); + cairo_mask (cr, pattern); + cairo_pattern_destroy (pattern); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_user_font_face_create (cairo_font_face_t **out) +{ + static const test_scaled_font_glyph_t glyphs [] = { + { 'c', 6, { 0x00, 0x38, 0x44, 0x80, 0x80, 0x80, 0x44, 0x38 } }, + { 'a', 6, { 0x00, 0x70, 0x88, 0x3c, 0x44, 0x84, 0x8c, 0x74 } }, + { 'i', 1, { 0x80, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 } }, + { 'r', 6, { 0x00, 0xb8, 0xc4, 0x80, 0x80, 0x80, 0x80, 0x80 } }, + { 'o', 7, { 0x00, 0x38, 0x44, 0x82, 0x82, 0x82, 0x44, 0x38 } }, + { -1, 8, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } }, + }; + + cairo_font_face_t *user_font_face; + cairo_status_t status; + + user_font_face = cairo_user_font_face_create (); + cairo_user_font_face_set_init_func (user_font_face, test_scaled_font_init); + cairo_user_font_face_set_render_glyph_func (user_font_face, test_scaled_font_render_glyph); + cairo_user_font_face_set_unicode_to_glyph_func (user_font_face, test_scaled_font_unicode_to_glyph); + + status = cairo_font_face_set_user_data (user_font_face, + &test_font_face_glyphs_key, + (void*) glyphs, NULL); + if (status) { + cairo_font_face_destroy (user_font_face); + return status; + } + + *out = user_font_face; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_face_t *font_face; + const char text[] = TEXT; + cairo_font_extents_t font_extents; + cairo_text_extents_t extents; + cairo_status_t status; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + +#ifdef ROTATED + cairo_translate (cr, TEXT_SIZE, 0); + cairo_rotate (cr, .6); +#endif + + status = _user_font_face_create (&font_face); + if (status) { + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); + } + + cairo_set_font_face (cr, font_face); + cairo_font_face_destroy (font_face); + + cairo_set_font_size (cr, TEXT_SIZE); + + cairo_font_extents (cr, &font_extents); + cairo_text_extents (cr, text, &extents); + + /* logical boundaries in red */ + cairo_move_to (cr, 0, BORDER); + cairo_rel_line_to (cr, WIDTH, 0); + cairo_move_to (cr, 0, BORDER + font_extents.ascent); + cairo_rel_line_to (cr, WIDTH, 0); + cairo_move_to (cr, 0, BORDER + font_extents.ascent + font_extents.descent); + cairo_rel_line_to (cr, WIDTH, 0); + cairo_move_to (cr, BORDER, 0); + cairo_rel_line_to (cr, 0, 2*BORDER + TEXT_SIZE); + cairo_move_to (cr, BORDER + extents.x_advance, 0); + cairo_rel_line_to (cr, 0, 2*BORDER + TEXT_SIZE); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_set_line_width (cr, 2); + cairo_stroke (cr); + + /* ink boundaries in green */ + cairo_rectangle (cr, + BORDER + extents.x_bearing, BORDER + font_extents.ascent + extents.y_bearing, + extents.width, extents.height); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_set_line_width (cr, 2); + cairo_stroke (cr); + + /* text in black */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_move_to (cr, BORDER, BORDER + font_extents.ascent); + cairo_show_text (cr, text); + + + /* filled version of text in blue */ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_move_to (cr, BORDER, BORDER + font_extents.height + 2*BORDER + font_extents.ascent); + cairo_text_path (cr, text); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (user_font_mask, + "Tests a user-font using cairo_mask with bitmap images", + "user-font, mask", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/user-font-proxy.c b/test/user-font-proxy.c new file mode 100644 index 000000000..6a39d8ed8 --- /dev/null +++ b/test/user-font-proxy.c @@ -0,0 +1,222 @@ +/* + * Copyright © 2006, 2008 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Contributor(s): + * Kristian Høgsberg <krh@redhat.com> + * Behdad Esfahbod <behdad@behdad.org> + */ + +#include "cairo-test.h" + +#include <stdlib.h> +#include <stdio.h> + +/*#define ROTATED 1*/ + +#define BORDER 10 +#define TEXT_SIZE 64 +#define WIDTH (TEXT_SIZE * 12 + 2*BORDER) +#ifndef ROTATED + #define HEIGHT ((TEXT_SIZE + 2*BORDER)*2) +#else + #define HEIGHT WIDTH +#endif +#define TEXT "geez... cairo user-font" + +static cairo_user_data_key_t fallback_font_key; + +static cairo_status_t +test_scaled_font_init (cairo_scaled_font_t *scaled_font, + cairo_t *cr, + cairo_font_extents_t *extents) +{ + cairo_status_t status; + + cairo_set_font_face (cr, + cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font), + &fallback_font_key)); + + status = cairo_scaled_font_set_user_data (scaled_font, + &fallback_font_key, + cairo_scaled_font_reference (cairo_get_scaled_font (cr)), + (cairo_destroy_func_t) cairo_scaled_font_destroy); + if (unlikely (status)) { + cairo_scaled_font_destroy (cairo_get_scaled_font (cr)); + return status; + } + + cairo_font_extents (cr, extents); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +test_scaled_font_render_glyph (cairo_scaled_font_t *scaled_font, + unsigned long glyph, + cairo_t *cr, + cairo_text_extents_t *extents) +{ + cairo_glyph_t cairo_glyph; + + cairo_glyph.index = glyph; + cairo_glyph.x = 0; + cairo_glyph.y = 0; + + cairo_set_font_face (cr, + cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font), + &fallback_font_key)); + + cairo_show_glyphs (cr, &cairo_glyph, 1); + cairo_glyph_extents (cr, &cairo_glyph, 1, extents); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +test_scaled_font_text_to_glyphs (cairo_scaled_font_t *scaled_font, + const char *utf8, + int utf8_len, + cairo_glyph_t **glyphs, + int *num_glyphs, + cairo_text_cluster_t **clusters, + int *num_clusters, + cairo_text_cluster_flags_t *cluster_flags) +{ + cairo_scaled_font_t *fallback_scaled_font; + + fallback_scaled_font = cairo_scaled_font_get_user_data (scaled_font, + &fallback_font_key); + + return cairo_scaled_font_text_to_glyphs (fallback_scaled_font, 0, 0, + utf8, utf8_len, + glyphs, num_glyphs, + clusters, num_clusters, cluster_flags); +} + +static cairo_status_t +_user_font_face_create (cairo_font_face_t **out) +{ + cairo_font_face_t *user_font_face; + cairo_font_face_t *fallback_font_face; + cairo_status_t status; + + user_font_face = cairo_user_font_face_create (); + cairo_user_font_face_set_init_func (user_font_face, test_scaled_font_init); + cairo_user_font_face_set_render_glyph_func (user_font_face, test_scaled_font_render_glyph); + cairo_user_font_face_set_text_to_glyphs_func (user_font_face, test_scaled_font_text_to_glyphs); + + /* This also happens to be default font face on cairo_t, so does + * not make much sense here. For demonstration only. + */ + fallback_font_face = cairo_toy_font_face_create ("", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + status = cairo_font_face_set_user_data (user_font_face, + &fallback_font_key, + fallback_font_face, + (cairo_destroy_func_t) cairo_font_face_destroy); + if (status) { + cairo_font_face_destroy (fallback_font_face); + cairo_font_face_destroy (user_font_face); + return status; + } + + *out = user_font_face; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + const char text[] = TEXT; + cairo_font_extents_t font_extents; + cairo_text_extents_t extents; + cairo_font_face_t *font_face; + cairo_status_t status; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + +#ifdef ROTATED + cairo_translate (cr, TEXT_SIZE, 0); + cairo_rotate (cr, .6); +#endif + + status = _user_font_face_create (&font_face); + if (status) { + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); + } + + cairo_set_font_face (cr, font_face); + cairo_font_face_destroy (font_face); + + cairo_set_font_size (cr, TEXT_SIZE); + + cairo_font_extents (cr, &font_extents); + cairo_text_extents (cr, text, &extents); + + /* logical boundaries in red */ + cairo_move_to (cr, 0, BORDER); + cairo_rel_line_to (cr, WIDTH, 0); + cairo_move_to (cr, 0, BORDER + font_extents.ascent); + cairo_rel_line_to (cr, WIDTH, 0); + cairo_move_to (cr, 0, BORDER + font_extents.ascent + font_extents.descent); + cairo_rel_line_to (cr, WIDTH, 0); + cairo_move_to (cr, BORDER, 0); + cairo_rel_line_to (cr, 0, 2*BORDER + TEXT_SIZE); + cairo_move_to (cr, BORDER + extents.x_advance, 0); + cairo_rel_line_to (cr, 0, 2*BORDER + TEXT_SIZE); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_set_line_width (cr, 2); + cairo_stroke (cr); + + /* ink boundaries in green */ + cairo_rectangle (cr, + BORDER + extents.x_bearing, BORDER + font_extents.ascent + extents.y_bearing, + extents.width, extents.height); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_set_line_width (cr, 2); + cairo_stroke (cr); + + /* text in gray */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_move_to (cr, BORDER, BORDER + font_extents.ascent); + cairo_show_text (cr, text); + + + /* filled version of text in light blue */ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_move_to (cr, BORDER, BORDER + font_extents.height + BORDER + font_extents.ascent); + cairo_text_path (cr, text); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (user_font_proxy, + "Tests a user-font using a native font in its render_glyph", + "font, user-font", /* keywords */ + "cairo >= 1.7.4", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/user-font-rescale.c b/test/user-font-rescale.c new file mode 100644 index 000000000..6f03b8e66 --- /dev/null +++ b/test/user-font-rescale.c @@ -0,0 +1,368 @@ +/* + * Copyright © 2008 Jeff Muizelaar + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Jeff Muizelaar not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Jeff Muizelaar makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * JEFF MUIZELAAR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL JEFF MUIZELAAR BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Contributor(s): + * Jeff Muizelaar <jeff@infidigm.net> + * Kristian Høgsberg <krh@redhat.com> + * Behdad Esfahbod <behdad@behdad.org> + */ + +#include "cairo-test.h" + +#include <math.h> + +#define BORDER 10 +#define TEXT_SIZE 32 +#define WIDTH (TEXT_SIZE * 13.75 + 2*BORDER) +#define HEIGHT ((TEXT_SIZE + 2*BORDER)*3 + BORDER) +#define TEXT "test of rescaled glyphs" + +static const cairo_user_data_key_t rescale_font_closure_key; + +struct rescaled_font { + cairo_font_face_t *substitute_font; + cairo_scaled_font_t *measuring_font; + unsigned long glyph_count; + unsigned long start; + double *desired_width; + double *rescale_factor; +}; + +static cairo_status_t +test_scaled_font_render_glyph (cairo_scaled_font_t *scaled_font, + unsigned long glyph, + cairo_t *cr, + cairo_text_extents_t *metrics) +{ + cairo_font_face_t *user_font; + struct rescaled_font *r; + cairo_glyph_t cairo_glyph; + + cairo_glyph.index = glyph; + cairo_glyph.x = 0; + cairo_glyph.y = 0; + + user_font = cairo_scaled_font_get_font_face (scaled_font); + r = cairo_font_face_get_user_data (user_font, &rescale_font_closure_key); + cairo_set_font_face (cr, r->substitute_font); + + if (glyph - r->start < r->glyph_count) { + cairo_matrix_t matrix; + + if (isnan (r->rescale_factor[glyph - r->start])) { + double desired_width; + double actual_width; + cairo_text_extents_t extents; + + /* measure the glyph and compute the necessary rescaling factor */ + cairo_scaled_font_glyph_extents (r->measuring_font, + &cairo_glyph, 1, + &extents); + + desired_width = r->desired_width[glyph - r->start]; + actual_width = extents.x_advance; + + r->rescale_factor[glyph - r->start] = desired_width / actual_width; + } + + /* scale the font so that the glyph width matches the desired width */ + cairo_get_font_matrix (cr, &matrix); + cairo_matrix_scale (&matrix, r->rescale_factor[glyph - r->start], 1.); + cairo_set_font_matrix (cr, &matrix); + } + + cairo_show_glyphs (cr, &cairo_glyph, 1); + cairo_glyph_extents (cr, &cairo_glyph, 1, metrics); + + return CAIRO_STATUS_SUCCESS; +} + +static void +unichar_to_utf8 (uint32_t ucs4, char utf8[7]) +{ + int i, charlen, first; + + if (ucs4 < 0x80) { + first = 0; + charlen = 1; + } else if (ucs4 < 0x800) { + first = 0xc0; + charlen = 2; + } else if (ucs4 < 0x10000) { + first = 0xe0; + charlen = 3; + } else if (ucs4 < 0x200000) { + first = 0xf0; + charlen = 4; + } else if (ucs4 < 0x4000000) { + first = 0xf8; + charlen = 5; + } else { + first = 0xfc; + charlen = 6; + } + + for (i = charlen - 1; i > 0; --i) { + utf8[i] = (ucs4 & 0x3f) | 0x80; + ucs4 >>= 6; + } + utf8[0] = ucs4 | first; + utf8[charlen] = '\0'; +} + +static cairo_status_t +test_scaled_font_unicode_to_glyph (cairo_scaled_font_t *scaled_font, + unsigned long unicode, + unsigned long *glyph_index) +{ + cairo_font_face_t *user_font; + struct rescaled_font *r; + int num_glyphs; + cairo_glyph_t *glyphs = NULL; + cairo_status_t status; + char utf8[7]; + + user_font = cairo_scaled_font_get_font_face (scaled_font); + + unichar_to_utf8 (unicode, utf8); + r = cairo_font_face_get_user_data (user_font, &rescale_font_closure_key); + status = cairo_scaled_font_text_to_glyphs (r->measuring_font, 0, 0, + utf8, -1, + &glyphs, &num_glyphs, + NULL, NULL, NULL); + if (status) + return status; + + *glyph_index = glyphs[0].index; + + cairo_glyph_free (glyphs); + return CAIRO_STATUS_SUCCESS; +} + +static void rescale_font_closure_destroy (void *data) +{ + struct rescaled_font *r = data; + + cairo_font_face_destroy (r->substitute_font); + cairo_scaled_font_destroy (r->measuring_font); + free (r->desired_width); + free (r->rescale_factor); + free (r); +} + +static cairo_status_t +create_rescaled_font (cairo_font_face_t *substitute_font, + int glyph_start, + int glyph_count, + double *desired_width, + cairo_font_face_t **out) +{ + cairo_font_face_t *user_font_face; + struct rescaled_font *r; + cairo_font_options_t *options; + cairo_status_t status; + cairo_matrix_t m; + unsigned long i; + + user_font_face = cairo_user_font_face_create (); + cairo_user_font_face_set_render_glyph_func (user_font_face, test_scaled_font_render_glyph); + cairo_user_font_face_set_unicode_to_glyph_func (user_font_face, test_scaled_font_unicode_to_glyph); + + r = xmalloc (sizeof (struct rescaled_font)); + r->substitute_font = cairo_font_face_reference (substitute_font); + + /* we don't want any hinting when doing the measuring */ + options = cairo_font_options_create (); + cairo_font_options_set_hint_style (options, CAIRO_HINT_STYLE_NONE); + cairo_font_options_set_hint_metrics (options, CAIRO_HINT_METRICS_OFF); + + cairo_matrix_init_identity (&m); + + r->measuring_font = cairo_scaled_font_create (r->substitute_font, + &m, &m, + options); + cairo_font_options_destroy (options); + + + r->start = glyph_start; + r->glyph_count = glyph_count; + r->desired_width = xcalloc (sizeof (double), r->glyph_count); + r->rescale_factor = xcalloc (sizeof (double), r->glyph_count); + + for (i = 0; i < r->glyph_count; i++) { + r->desired_width[i] = desired_width[i]; + /* use NaN to specify unset */ + r->rescale_factor[i] = cairo_test_NaN (); + } + + status = cairo_font_face_set_user_data (user_font_face, + &rescale_font_closure_key, + r, rescale_font_closure_destroy); + if (status) { + rescale_font_closure_destroy (r); + cairo_font_face_destroy (user_font_face); + return status; + } + + *out = user_font_face; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +get_user_font_face (cairo_font_face_t *substitute_font, + const char *text, + cairo_font_face_t *old, + cairo_font_face_t **out) +{ + cairo_font_options_t *options; + cairo_matrix_t m; + cairo_scaled_font_t *measure; + int i; + double *widths; + int count; + int num_glyphs; + unsigned long min_index, max_index; + cairo_status_t status; + + cairo_glyph_t *glyphs = NULL; + + /* we don't want any hinting when doing the measuring */ + options = cairo_font_options_create (); + cairo_font_options_set_hint_style (options, CAIRO_HINT_STYLE_NONE); + cairo_font_options_set_hint_metrics (options, CAIRO_HINT_METRICS_OFF); + + cairo_matrix_init_identity (&m); + measure = cairo_scaled_font_create (old, &m, &m, options); + + status = cairo_scaled_font_text_to_glyphs (measure, 0, 0, + text, -1, + &glyphs, &num_glyphs, + NULL, NULL, NULL); + cairo_font_options_destroy (options); + + if (status) { + cairo_scaled_font_destroy (measure); + return status; + } + + /* find the glyph range the text covers */ + max_index = glyphs[0].index; + min_index = glyphs[0].index; + for (i=0; i<num_glyphs; i++) { + if (glyphs[i].index < min_index) + min_index = glyphs[i].index; + if (glyphs[i].index > max_index) + max_index = glyphs[i].index; + } + + count = max_index - min_index + 1; + widths = xcalloc (sizeof (double), count); + /* measure all of the necessary glyphs individually */ + for (i=0; i<num_glyphs; i++) { + cairo_text_extents_t extents; + cairo_scaled_font_glyph_extents (measure, &glyphs[i], 1, &extents); + widths[glyphs[i].index - min_index] = extents.x_advance; + } + + status = cairo_scaled_font_status (measure); + cairo_scaled_font_destroy (measure); + cairo_glyph_free (glyphs); + + if (status == CAIRO_STATUS_SUCCESS) { + status = create_rescaled_font (substitute_font, + min_index, count, widths, + out); + } + + free (widths); + return status; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_extents_t font_extents; + cairo_text_extents_t extents; + cairo_font_face_t *rescaled; + cairo_font_face_t *old; + cairo_font_face_t *substitute; + const char text[] = TEXT; + cairo_status_t status; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + cairo_select_font_face (cr, + CAIRO_TEST_FONT_FAMILY " Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + cairo_set_font_size (cr, TEXT_SIZE); + + cairo_font_extents (cr, &font_extents); + cairo_text_extents (cr, text, &extents); + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_move_to (cr, BORDER, BORDER + font_extents.ascent); + cairo_show_text (cr, text); + + /* same text in 'mono' with widths that match the 'sans' version */ + old = cairo_font_face_reference (cairo_get_font_face (cr)); + cairo_select_font_face (cr, + CAIRO_TEST_FONT_FAMILY " Sans Mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + substitute = cairo_get_font_face (cr); + + status = get_user_font_face (substitute, text, old, &rescaled); + cairo_font_face_destroy (old); + if (status) { + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); + } + + cairo_set_font_face (cr, rescaled); + cairo_font_face_destroy (rescaled); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_move_to (cr, BORDER, BORDER + font_extents.height + 2*BORDER + font_extents.ascent); + cairo_show_text (cr, text); + + /* mono text */ + cairo_select_font_face (cr, + CAIRO_TEST_FONT_FAMILY " Sans Mono", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_move_to (cr, BORDER, BORDER + 2*font_extents.height + 4*BORDER + font_extents.ascent); + cairo_show_text (cr, text); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (user_font_rescale, + "Tests drawing text with user defined widths", + "user-font, font", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/user-font.c b/test/user-font.c new file mode 100644 index 000000000..435d5616f --- /dev/null +++ b/test/user-font.c @@ -0,0 +1,267 @@ +/* + * Copyright © 2006, 2008 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Contributor(s): + * Kristian Høgsberg <krh@redhat.com> + * Behdad Esfahbod <behdad@behdad.org> + */ + +#include "cairo-test.h" + +#include <stdlib.h> +#include <stdio.h> + +/*#define ROTATED 1*/ + +#define BORDER 10 +#define TEXT_SIZE 64 +#define WIDTH (TEXT_SIZE * 15 + 2*BORDER) +#ifndef ROTATED + #define HEIGHT ((TEXT_SIZE + 2*BORDER)*2) +#else + #define HEIGHT WIDTH +#endif +#define TEXT "geez... cairo user-font" + +#define END_GLYPH 0 +#define STROKE 126 +#define CLOSE 127 + +/* Simple glyph definition: 1 - 15 means lineto (or moveto for first + * point) for one of the points on this grid: + * + * 1 2 3 + * 4 5 6 + * 7 8 9 + * ----10 11 12----(baseline) + * 13 14 15 + */ +typedef struct { + unsigned long ucs4; + int width; + char data[16]; +} test_scaled_font_glyph_t; + +static cairo_user_data_key_t test_font_face_glyphs_key; + +static cairo_status_t +test_scaled_font_init (cairo_scaled_font_t *scaled_font, + cairo_t *cr, + cairo_font_extents_t *metrics) +{ + metrics->ascent = .75; + metrics->descent = .25; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +test_scaled_font_unicode_to_glyph (cairo_scaled_font_t *scaled_font, + unsigned long unicode, + unsigned long *glyph) +{ + test_scaled_font_glyph_t *glyphs = cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font), + &test_font_face_glyphs_key); + int i; + + for (i = 0; glyphs[i].ucs4 != (unsigned long) -1; i++) + if (glyphs[i].ucs4 == unicode) { + *glyph = i; + return CAIRO_STATUS_SUCCESS; + } + + /* Not found. Default to glyph 0 */ + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +test_scaled_font_render_glyph (cairo_scaled_font_t *scaled_font, + unsigned long glyph, + cairo_t *cr, + cairo_text_extents_t *metrics) +{ + test_scaled_font_glyph_t *glyphs = cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font), + &test_font_face_glyphs_key); + int i; + const char *data; + div_t d; + double x, y; + + /* FIXME: We simply crash on out-of-bound glyph indices */ + + metrics->x_advance = glyphs[glyph].width / 4.0; + + cairo_set_line_width (cr, 0.1); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + + data = glyphs[glyph].data; + for (i = 0; data[i] != END_GLYPH; i++) { + switch (data[i]) { + case STROKE: + cairo_new_sub_path (cr); + break; + + case CLOSE: + cairo_close_path (cr); + break; + + default: + d = div (data[i] - 1, 3); + x = d.rem / 4.0 + 0.125; + y = d.quot / 5.0 + 0.4 - 1.0; + cairo_line_to (cr, x, y); + } + } + cairo_stroke (cr); + + return CAIRO_STATUS_SUCCESS; +} + +static cairo_status_t +_user_font_face_create (cairo_font_face_t **out) +{ + /* Simple glyph definition: 1 - 15 means lineto (or moveto for first + * point) for one of the points on this grid: + * + * 1 2 3 + * 4 5 6 + * 7 8 9 + * ----10 11 12----(baseline) + * 13 14 15 + */ + static const test_scaled_font_glyph_t glyphs [] = { + { 'a', 3, { 4, 6, 12, 10, 7, 9, STROKE, END_GLYPH } }, + { 'c', 3, { 6, 4, 10, 12, STROKE, END_GLYPH } }, + { 'e', 3, { 12, 10, 4, 6, 9, 7, STROKE, END_GLYPH } }, + { 'f', 3, { 3, 2, 11, STROKE, 4, 6, STROKE, END_GLYPH } }, + { 'g', 3, { 12, 10, 4, 6, 15, 13, STROKE, END_GLYPH } }, + { 'h', 3, { 1, 10, STROKE, 7, 5, 6, 12, STROKE, END_GLYPH } }, + { 'i', 1, { 1, 1, STROKE, 4, 10, STROKE, END_GLYPH } }, + { 'l', 1, { 1, 10, STROKE, END_GLYPH } }, + { 'n', 3, { 10, 4, STROKE, 7, 5, 6, 12, STROKE, END_GLYPH } }, + { 'o', 3, { 4, 10, 12, 6, CLOSE, END_GLYPH } }, + { 'r', 3, { 4, 10, STROKE, 7, 5, 6, STROKE, END_GLYPH } }, + { 's', 3, { 6, 4, 7, 9, 12, 10, STROKE, END_GLYPH } }, + { 't', 3, { 2, 11, 12, STROKE, 4, 6, STROKE, END_GLYPH } }, + { 'u', 3, { 4, 10, 12, 6, STROKE, END_GLYPH } }, + { 'z', 3, { 4, 6, 10, 12, STROKE, END_GLYPH } }, + { ' ', 1, { END_GLYPH } }, + { '-', 2, { 7, 8, STROKE, END_GLYPH } }, + { '.', 1, { 10, 10, STROKE, END_GLYPH } }, + { -1, 0, { END_GLYPH } }, + }; + + cairo_font_face_t *user_font_face; + cairo_status_t status; + + user_font_face = cairo_user_font_face_create (); + cairo_user_font_face_set_init_func (user_font_face, test_scaled_font_init); + cairo_user_font_face_set_render_glyph_func (user_font_face, test_scaled_font_render_glyph); + cairo_user_font_face_set_unicode_to_glyph_func (user_font_face, test_scaled_font_unicode_to_glyph); + + status = cairo_font_face_set_user_data (user_font_face, + &test_font_face_glyphs_key, + (void*) glyphs, NULL); + if (status) { + cairo_font_face_destroy (user_font_face); + return status; + } + + *out = user_font_face; + return CAIRO_STATUS_SUCCESS; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_face_t *font_face; + const char text[] = TEXT; + cairo_font_extents_t font_extents; + cairo_text_extents_t extents; + cairo_status_t status; + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + +#ifdef ROTATED + cairo_translate (cr, TEXT_SIZE, 0); + cairo_rotate (cr, .6); +#endif + + status = _user_font_face_create (&font_face); + if (status) { + return cairo_test_status_from_status (cairo_test_get_context (cr), + status); + } + + cairo_set_font_face (cr, font_face); + cairo_font_face_destroy (font_face); + + cairo_set_font_size (cr, TEXT_SIZE); + + cairo_font_extents (cr, &font_extents); + cairo_text_extents (cr, text, &extents); + + /* logical boundaries in red */ + cairo_move_to (cr, 0, BORDER); + cairo_rel_line_to (cr, WIDTH, 0); + cairo_move_to (cr, 0, BORDER + font_extents.ascent); + cairo_rel_line_to (cr, WIDTH, 0); + cairo_move_to (cr, 0, BORDER + font_extents.ascent + font_extents.descent); + cairo_rel_line_to (cr, WIDTH, 0); + cairo_move_to (cr, BORDER, 0); + cairo_rel_line_to (cr, 0, 2*BORDER + TEXT_SIZE); + cairo_move_to (cr, BORDER + extents.x_advance, 0); + cairo_rel_line_to (cr, 0, 2*BORDER + TEXT_SIZE); + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_set_line_width (cr, 2); + cairo_stroke (cr); + + /* ink boundaries in green */ + cairo_rectangle (cr, + BORDER + extents.x_bearing, BORDER + font_extents.ascent + extents.y_bearing, + extents.width, extents.height); + cairo_set_source_rgb (cr, 0, 1, 0); + cairo_set_line_width (cr, 2); + cairo_stroke (cr); + + /* text in black */ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_move_to (cr, BORDER, BORDER + font_extents.ascent); + cairo_show_text (cr, text); + + + /* filled version of text in blue */ + cairo_set_source_rgb (cr, 0, 0, 1); + cairo_move_to (cr, BORDER, BORDER + font_extents.height + 2*BORDER + font_extents.ascent); + cairo_text_path (cr, text); + cairo_fill (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (user_font, + "Tests user font feature", + "font, user-font", /* keywords */ + "cairo >= 1.7.4", /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/white-in-noop.c b/test/white-in-noop.c new file mode 100644 index 000000000..e6a93e801 --- /dev/null +++ b/test/white-in-noop.c @@ -0,0 +1,52 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright 2011 Andrea Canciani + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Andrea Canciani <ranma42@gmail.com> + */ + +#include "cairo-test.h" + +#define HEIGHT 4 +#define WIDTH 4 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + cairo_set_operator (cr, CAIRO_OPERATOR_IN); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (white_in_noop, + "Test an invalid optimization of the IN operator with white sources", + "operator", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw) diff --git a/test/world-map.c b/test/world-map.c new file mode 100644 index 000000000..f775bb0d5 --- /dev/null +++ b/test/world-map.c @@ -0,0 +1,151 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#define WIDTH 800 +#define HEIGHT 400 + +typedef enum { + WM_NEW_PATH, + WM_MOVE_TO, + WM_LINE_TO, + WM_HLINE_TO, + WM_VLINE_TO, + WM_REL_LINE_TO, + WM_END +} wm_type_t; + +typedef struct _wm_element { + wm_type_t type; + double x; + double y; +} wm_element_t; + +#include "world-map.h" + +enum { + STROKE = 1, + FILL = 2, +}; + +static cairo_test_status_t +draw_world_map (cairo_t *cr, int width, int height, int mode) +{ + const wm_element_t *e; + double cx, cy; + + cairo_set_line_width (cr, 0.2); + + cairo_set_source_rgb (cr, .68, .85, .90); /* lightblue */ + cairo_rectangle (cr, 0, 0, 800, 400); + cairo_fill (cr); + + e = &countries[0]; + while (1) { + switch (e->type) { + case WM_NEW_PATH: + case WM_END: + if (mode & FILL) { + cairo_set_source_rgb (cr, .75, .75, .75); /* silver */ + cairo_fill_preserve (cr); + } + if (mode & STROKE) { + cairo_set_source_rgb (cr, .50, .50, .50); /* gray */ + cairo_stroke (cr); + } + cairo_new_path (cr); + cairo_move_to (cr, e->x, e->y); + break; + case WM_MOVE_TO: + cairo_close_path (cr); + cairo_move_to (cr, e->x, e->y); + break; + case WM_LINE_TO: + cairo_line_to (cr, e->x, e->y); + break; + case WM_HLINE_TO: + cairo_get_current_point (cr, &cx, &cy); + cairo_line_to (cr, e->x, cy); + break; + case WM_VLINE_TO: + cairo_get_current_point (cr, &cx, &cy); + cairo_line_to (cr, cx, e->y); + break; + case WM_REL_LINE_TO: + cairo_rel_line_to (cr, e->x, e->y); + break; + } + if (e->type == WM_END) + break; + e++; + } + + cairo_new_path (cr); + + return CAIRO_TEST_SUCCESS; +} + +static cairo_test_status_t +draw_world_map_stroke (cairo_t *cr, int width, int height) +{ + return draw_world_map (cr, width, height, STROKE); +} + +static cairo_test_status_t +draw_world_map_fill (cairo_t *cr, int width, int height) +{ + return draw_world_map (cr, width, height, FILL); +} + +static cairo_test_status_t +draw_world_map_both (cairo_t *cr, int width, int height) +{ + return draw_world_map (cr, width, height, FILL | STROKE); +} + +CAIRO_TEST (world_map, + "Tests a complex drawing (part of the performance suite)", + "fill, stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw_world_map_both) +CAIRO_TEST (world_map_stroke, + "Tests a complex drawing (part of the performance suite)", + "stroke", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw_world_map_stroke) +CAIRO_TEST (world_map_fill, + "Tests a complex drawing (part of the performance suite)", + "fill", /* keywords */ + NULL, /* requirements */ + WIDTH, HEIGHT, + NULL, draw_world_map_fill) diff --git a/test/world-map.h b/test/world-map.h new file mode 100644 index 000000000..af58b80f1 --- /dev/null +++ b/test/world-map.h @@ -0,0 +1,196 @@ +/* The data for this test case was provided by Gary Nicholson + * <gary@imapping.co.nz> who originally created an interactive SVG map + * of the world as can be seen here: + * + * http://www.wherearewe.co.nz/svg.html + * + * The data is used here by permission from Gary given on 2006-11-08: + * + * Thanks for asking, I don't need any attribution if you are + * only using the vectors and not the entire map with + * interactivity etc. So feel free to do what you wish with + * the data. + */ + +#define N(x,y) { WM_NEW_PATH, x, y } +#define M(x,y) { WM_MOVE_TO, x, y } +#define L(x,y) { WM_LINE_TO, x, y } +#define H(x,y) { WM_HLINE_TO, x, y } +#define V(x,y) { WM_VLINE_TO, x, y } +#define l(x,y) { WM_REL_LINE_TO, x, y } +#define E(x,y) { WM_END, x, y } + +static const wm_element_t countries[] = { +N(413.519,90.071),l(.136,-.348),l(-.31,-.204),l(-.017,-.327),l(.213,-.322),l(.245,-.147),l(.142,-.08),l(.225,.072),l(.062,.301),l(.41,.312),l(.466,.096),l(-.044,.288),l(-.248,.144),l(.074,.353),l(-.145,-.063),l(-.568,-.011),l(-.642,-.063), 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+E(0,0) +}; + +#undef N +#undef M +#undef L +#undef l +#undef E diff --git a/test/xcb-huge-image-shm.c b/test/xcb-huge-image-shm.c new file mode 100644 index 000000000..269d7f0d4 --- /dev/null +++ b/test/xcb-huge-image-shm.c @@ -0,0 +1,67 @@ +/* + * Copyright © 2011 Uli Schlachter + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + */ + +#include "cairo-test.h" + +#define WIDTH 3000 +#define HEIGHT 3000 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_surface_t *image; + cairo_t *cr2; + + /* We use a similar surface to have way smaller ref images */ + surface = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + WIDTH, HEIGHT); + + /* First we have to defeat xcb's deferred clear */ + cr2 = cairo_create (surface); + cairo_test_paint_checkered (cr2); + cairo_destroy (cr2); + + /* Now we try to map this to an image. This will try to use shared memory + * but fail the allocation, because of the huge surface. */ + image = cairo_surface_map_to_image (surface, NULL); + cairo_surface_unmap_image (surface, image); + + /* Finally we make sure that errors aren't lost. */ + cairo_set_source_surface (cr, surface, 0, 0); + cairo_paint (cr); + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (xcb_huge_image_shm, + "Force a failed shm allocation when receiving an image", + "xcb", /* keywords */ + NULL, /* requirements */ + 2, 2, + NULL, draw) diff --git a/test/xcb-huge-subimage.c b/test/xcb-huge-subimage.c new file mode 100644 index 000000000..fc8e278c6 --- /dev/null +++ b/test/xcb-huge-subimage.c @@ -0,0 +1,81 @@ +/* + * Copyright © 2012 Uli Schlachter + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + */ + +#include "cairo-test.h" + +#define WIDTH 6000 +#define HEIGHT 6000 + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *surface; + cairo_surface_t *image; + cairo_surface_t *subimage; + cairo_rectangle_int_t extents; + cairo_t *cr2; + + extents.x = extents.y = 10; + extents.width = WIDTH - 20; + extents.height = HEIGHT - 20; + + /* We use a similar surface to have way smaller ref images */ + surface = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + WIDTH, HEIGHT); + + /* First we have to defeat xcb's deferred clear */ + cr2 = cairo_create (surface); + cairo_test_paint_checkered (cr2); + cairo_destroy (cr2); + + /* Get us an image surface with a non-natural stride */ + image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + WIDTH, HEIGHT); + subimage = cairo_surface_map_to_image (image, &extents); + + /* Paint the subimage to the similar surface and trigger the big upload */ + cr2 = cairo_create (surface); + cairo_set_source_surface (cr2, subimage, 0, 0); + cairo_paint (cr2); + cairo_destroy (cr2); + + /* Finally we make sure that errors aren't lost. */ + cairo_surface_unmap_image (image, subimage); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_paint (cr); + cairo_surface_destroy (image); + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (xcb_huge_subimage, + "Test if the maximum request size is honored", + "xcb", /* keywords */ + NULL, /* requirements */ + 2, 2, + NULL, draw) diff --git a/test/xcb-snapshot-assert.c b/test/xcb-snapshot-assert.c new file mode 100644 index 000000000..b578f8c7e --- /dev/null +++ b/test/xcb-snapshot-assert.c @@ -0,0 +1,75 @@ +/* + * Copyright © 2011 Uli Schlachter + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + */ + +#include "cairo-test.h" +#include "cairo.h" + +static cairo_surface_t * +create_image (int width, int height) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height); + /* Paint something random to the image */ + cr = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_set_source_rgb (cr, 0, 1, 1); + cairo_paint (cr); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_surface_t *image; + + /* Image has to have same geometry as xcb surface to be added as a snapshot */ + image = create_image (width, height); + cairo_set_source_surface (cr, image, 0, 0); + cairo_surface_destroy (image); + + /* This attaches the tested xcb surface as a snapshot */ + cairo_paint (cr); + + /* Now cairo is modifying a snapshot which fails an + * assert in _cairo_surface_begin_modification */ + cairo_paint (cr); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (xcb_snapshot_assert, + "Test a wrong _cairo_surface_attach_snapshot call", + "xcb", /* keywords */ + NULL, /* requirements */ + 2, 2, + NULL, draw) diff --git a/test/xcb-stress-cache.c b/test/xcb-stress-cache.c new file mode 100644 index 000000000..3e3d0a289 --- /dev/null +++ b/test/xcb-stress-cache.c @@ -0,0 +1,118 @@ +/* + * Copyright © 2011 Uli Schlachter + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Uli Schlachter <psychon@znc.in> + */ + +#include "cairo-test.h" + +#define WIDTH 512 +#define HEIGHT 512 + +/* This is a random pick. This results in 512 (width) * 512 (height) * + * 2 (surfaces per run) * 4 (ARGB32) * ITERATIONS = 200 MiB of image data. */ +#define ITERATIONS 100 + +/* This tries to trigger a bug in the xcb backend where a Picture is freed to + * early. It goes something like this: + * + * - _composite_mask calls _cairo_xcb_picture_for_pattern to get a xcb_picture_t + * for the source. + * - _cairo_xcb_picture_for_pattern calls _cairo_xcb_surface_picture which calls + * _cairo_xcb_screen_store_surface_picture which adds the picture to a cache. + * - _cairo_xcb_surface_picture also attached the picture as a snapshot to + * the source surface using cairo_surface_finish as detach_func. + * - _composite_mask calls _cairo_xcb_picture_for_pattern to get a xcb_picture_t + * for the mask. + * - The resulting picture surface is added to the cache again, but the cache is + * already full, so a random cache entry is picked and removed. + * - The surface that was added before is picked and gets fed to + * _surface_cache_entry_destroy. + * - This calls _cairo_surface_detach_snapshot which causes the + * detach_func from above to be called, so the surface is finished and the + * associated picture is FreePicture'd. + * - _composite_mask now uses a Picture that was already freed. + * + * So this depends on the screen's surface cache to be full which is why we do + * all this looping. + */ + +static cairo_surface_t * +create_image (void) +{ + cairo_surface_t *surface; + cairo_t *cr; + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, WIDTH, HEIGHT); + /* Paint something random to the image */ + cr = cairo_create (surface); + cairo_paint (cr); + cairo_set_source_rgb (cr, 0, 1, 1); + cairo_rectangle (cr, 0, 0, WIDTH/2.0, HEIGHT/2.0); + cairo_fill (cr); + cairo_set_source_rgb (cr, 1, 0, 1); + cairo_rectangle (cr, WIDTH/2.0, HEIGHT/2.0, WIDTH/2.0, HEIGHT/2.0); + cairo_fill (cr); + cairo_destroy (cr); + + return surface; +} + +static cairo_surface_t * +dirty_cache (cairo_t *cr) +{ + cairo_surface_t *surface; + + /* Set a source surface... */ + surface = create_image (); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + /* ...and create a mask surface, so that we can hit the early FreePicture */ + surface = create_image (); + cairo_mask_surface (cr, surface, 0, 0); + + return surface; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + cairo_surface_t *array[ITERATIONS]; + + /* We have to keep the associated cairo_surface_t alive so that they aren't + * removed from the cache */ + for (i = 0; i < ITERATIONS; i++) + array[i] = dirty_cache (cr); + for (i = 0; i < ITERATIONS; i++) + cairo_surface_destroy (array[i]); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (xcb_stress_cache, + "Stress test for a image surface cache in cairo-xcb", + "xcb, stress", /* keywords */ + NULL, /* requirements */ + 2, 2, + NULL, draw) diff --git a/test/xcb-surface-source.c b/test/xcb-surface-source.c new file mode 100644 index 000000000..d2c7a1362 --- /dev/null +++ b/test/xcb-surface-source.c @@ -0,0 +1,149 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" +#if CAIRO_HAS_XCB_SURFACE +#include <cairo-xcb.h> +#endif + +#include "surface-source.c" + +#if CAIRO_HAS_XCB_SURFACE +static cairo_user_data_key_t closure_key; + +struct closure { + cairo_device_t *device; + xcb_connection_t *connection; + xcb_pixmap_t pixmap; +}; + +static void +cleanup (void *data) +{ + struct closure *arg = data; + + cairo_device_finish (arg->device); + cairo_device_destroy (arg->device); + + xcb_free_pixmap (arg->connection, arg->pixmap); + xcb_disconnect (arg->connection); + + free (arg); +} + +static xcb_render_pictforminfo_t * +find_depth (xcb_connection_t *connection, int depth, void **formats_out) +{ + xcb_render_query_pict_formats_reply_t *formats; + xcb_render_query_pict_formats_cookie_t cookie; + xcb_render_pictforminfo_iterator_t i; + + cookie = xcb_render_query_pict_formats (connection); + xcb_flush (connection); + + formats = xcb_render_query_pict_formats_reply (connection, cookie, 0); + if (formats == NULL) + return NULL; + + for (i = xcb_render_query_pict_formats_formats_iterator (formats); + i.rem; + xcb_render_pictforminfo_next (&i)) + { + if (XCB_RENDER_PICT_TYPE_DIRECT != i.data->type) + continue; + + if (depth != i.data->depth) + continue; + + *formats_out = formats; + return i.data; + } + + free (formats); + return NULL; +} +#endif + +static cairo_surface_t * +create_source_surface (int size) +{ +#if CAIRO_HAS_XCB_SURFACE + xcb_connection_t *connection; + xcb_render_pictforminfo_t *render_format; + struct closure *data; + cairo_surface_t *surface; + xcb_screen_t *root; + xcb_void_cookie_t cookie; + void *formats; + + connection = xcb_connect (NULL, NULL); + if (connection == NULL) + return NULL; + + data = xmalloc (sizeof (struct closure)); + data->connection = connection; + + render_format = find_depth (connection, 32, &formats); + if (render_format == NULL) { + xcb_disconnect (connection); + free (data); + return NULL; + } + + root = xcb_setup_roots_iterator (xcb_get_setup (connection)).data; + + data->pixmap = xcb_generate_id (connection); + cookie = xcb_create_pixmap_checked (connection, 32, + data->pixmap, root->root, size, size); + /* slow, but sure */ + if (xcb_request_check (connection, cookie) != NULL) { + free (formats); + xcb_disconnect (connection); + free (data); + return NULL; + } + + surface = cairo_xcb_surface_create_with_xrender_format (connection, + root, + data->pixmap, + render_format, + size, size); + free (formats); + + data->device = cairo_device_reference (cairo_surface_get_device (surface)); + cairo_surface_set_user_data (surface, &closure_key, data, cleanup); + + return surface; +#else + return NULL; +#endif +} + +CAIRO_TEST (xcb_surface_source, + "Test using a XCB surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) diff --git a/test/xcomposite-projection.c b/test/xcomposite-projection.c new file mode 100644 index 000000000..39686cf99 --- /dev/null +++ b/test/xcomposite-projection.c @@ -0,0 +1,109 @@ +/* + * Copyright 2009 Benjamin Otte + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" + +/* + * Exercise a bug in the projection of a rotated trapezoid mask. + * I used CAIRO_ANTIALIAS_NONE and a single-color source in the test to get + * rid of aliasing issues in the output images. This makes some issues + * slightly less visible, but still fails for all of them. If you want to + * get a clearer view: + * #define ANTIALIAS CAIRO_ANTIALIAS_DEFAULT + */ + +#define ANTIALIAS CAIRO_ANTIALIAS_NONE + +static const char png_filename[] = "romedalen.png"; + +static cairo_pattern_t * +get_source (const cairo_test_context_t *ctx, + int *width, int *height) +{ + cairo_surface_t *surface; + cairo_pattern_t *pattern; + + if (ANTIALIAS == CAIRO_ANTIALIAS_NONE) { + cairo_t *cr; + + surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 256, 192); + cr = cairo_create (surface); + + cairo_set_source_rgb (cr, 0.75, 0.25, 0.25); + cairo_paint (cr); + + pattern = cairo_pattern_create_for_surface (cairo_get_target (cr)); + cairo_destroy (cr); + } else { + surface = cairo_test_create_surface_from_png (ctx, png_filename); + pattern = cairo_pattern_create_for_surface (surface); + } + + *width = cairo_image_surface_get_width (surface); + *height = cairo_image_surface_get_height (surface); + cairo_surface_destroy (surface); + + return pattern; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_pattern_t *image; + int img_width, img_height; + + image = get_source (cairo_test_get_context (cr), + &img_width, &img_height); + + /* we don't want to debug antialiasing artifacts */ + cairo_set_antialias (cr, ANTIALIAS); + + /* dark grey background */ + cairo_set_source_rgb (cr, 0.25, 0.25, 0.25); + cairo_paint (cr); + + /* magic transform */ + cairo_translate (cr, 10, -40); + cairo_rotate (cr, -0.05); + + /* place the image on our surface */ + cairo_set_source (cr, image); + + /* paint the image */ + cairo_rectangle (cr, 0, 0, img_width, img_height); + cairo_fill (cr); + + cairo_pattern_destroy (image); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (xcomposite_projection, + "Test a bug with XRenderComposite reference computation when projecting the first trapezoid onto 16.16 space", + "xlib", /* keywords */ + "target=raster", /* requirements */ + 300, 150, + NULL, draw) diff --git a/test/xlib-expose-event.c b/test/xlib-expose-event.c new file mode 100644 index 000000000..1de23e01e --- /dev/null +++ b/test/xlib-expose-event.c @@ -0,0 +1,196 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +/* This test tries to emulate the behaviour of most toolkits; it tries + * to simulate typical usage of a single surface with multiple exposures. + * + * The first goal of the test is to reproduce the XSetClipMask(NULL) bug + * reintroduced in 1.6.2 (but was originally fixed in 40558cb15). As I've + * made the same mistake again, it is worth adding a regression test... + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <stdlib.h> + +#include "cairo.h" + +#include "buffer-diff.h" + +#define SIZE 160 +#define NLOOPS 10 + +static const char *png_filename = "romedalen.png"; + +static void +draw_mask (cairo_t *cr) +{ + cairo_surface_t *surface; + cairo_t *cr2; + + surface = cairo_surface_create_similar (cairo_get_group_target (cr), + CAIRO_CONTENT_ALPHA, + 50, 50); + cr2 = cairo_create (surface); + cairo_surface_destroy (surface); + + cairo_rectangle (cr2, + 0, 0, + 40, 40); + cairo_rectangle (cr2, + 10, 10, + 40, 40); + cairo_clip (cr2); + + cairo_move_to (cr2, 0, 25); + cairo_line_to (cr2, 50, 25); + cairo_move_to (cr2, 25, 0); + cairo_line_to (cr2, 25, 50); + cairo_set_source_rgb (cr2, 1, 1, 1); + cairo_stroke (cr2); + + cairo_set_source_rgb (cr, 1, 0, 0); + cairo_mask_surface (cr, cairo_get_target (cr2), 50, 50); + cairo_destroy (cr2); +} + +static cairo_surface_t * +clone_similar_surface (cairo_surface_t * target, cairo_surface_t *surface) +{ + cairo_t *cr; + cairo_surface_t *similar; + + similar = cairo_surface_create_similar (target, + cairo_surface_get_content (surface), + cairo_image_surface_get_width (surface), + cairo_image_surface_get_height (surface)); + + cr = cairo_create (similar); + cairo_surface_destroy (similar); + + cairo_set_source_surface (cr, surface, 0, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + + similar = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return similar; +} + +static void +draw_image (const cairo_test_context_t *ctx, + cairo_t *cr, + cairo_surface_t *image) +{ + cairo_set_source_surface (cr, image, 0, 0); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); +} + +static void +draw (const cairo_test_context_t *ctx, + cairo_t *cr, + cairo_surface_t *image, + cairo_rectangle_t *region, + int n_regions) +{ + cairo_save (cr); + if (region != NULL) { + int i; + for (i = 0; i < n_regions; i++) { + cairo_rectangle (cr, + region[i].x, region[i].y, + region[i].width, region[i].height); + } + cairo_clip (cr); + } + cairo_push_group (cr); + draw_image (ctx, cr, image); + draw_mask (cr); + cairo_pop_group_to_source (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + cairo_restore (cr); +} + +static cairo_test_status_t +draw_func (cairo_t *cr, int width, int height) +{ + cairo_rectangle_t region[4]; + const cairo_test_context_t *ctx; + cairo_surface_t *source, *image; + int i, j; + + ctx = cairo_test_get_context (cr); + + source = cairo_test_create_surface_from_png (ctx, png_filename); + image = clone_similar_surface (cairo_get_group_target (cr), source); + cairo_surface_destroy (source); + + cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR); + draw (ctx, cr, image, NULL, 0); + for (i = 0; i < NLOOPS; i++) { + for (j = 0; j < NLOOPS; j++) { + region[0].x = i * SIZE / NLOOPS; + region[0].y = i * SIZE / NLOOPS; + region[0].width = SIZE / 4; + region[0].height = SIZE / 4; + + region[1].x = j * SIZE / NLOOPS; + region[1].y = j * SIZE / NLOOPS; + region[1].width = SIZE / 4; + region[1].height = SIZE / 4; + + region[2].x = i * SIZE / NLOOPS; + region[2].y = j * SIZE / NLOOPS; + region[2].width = SIZE / 4; + region[2].height = SIZE / 4; + + region[3].x = j * SIZE / NLOOPS; + region[3].y = i * SIZE / NLOOPS; + region[3].width = SIZE / 4; + region[3].height = SIZE / 4; + + draw (ctx, cr, image, region, 4); + } + } + + cairo_pop_group_to_source (cr); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + cairo_paint (cr); + + cairo_surface_destroy (image); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (xlib_expose_event, + "Emulate a typical expose event", + "xlib", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw_func) diff --git a/test/xlib-surface-source.c b/test/xlib-surface-source.c new file mode 100644 index 000000000..7d2ed71c0 --- /dev/null +++ b/test/xlib-surface-source.c @@ -0,0 +1,100 @@ +/* + * Copyright © 2008 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-test.h" +#include <cairo-xlib.h> +#if CAIRO_HAS_XLIB_XRENDER_SURFACE +#include <cairo-xlib-xrender.h> +#endif + +#include "surface-source.c" + +static cairo_user_data_key_t closure_key; + +struct closure { + cairo_device_t *device; + Display *dpy; + Pixmap pix; +}; + +static void +cleanup (void *data) +{ + struct closure *arg = data; + + cairo_device_finish (arg->device); + cairo_device_destroy (arg->device); + + XFreePixmap (arg->dpy, arg->pix); + XCloseDisplay (arg->dpy); + + free (arg); +} + +static cairo_surface_t * +create_source_surface (int size) +{ +#if CAIRO_HAS_XLIB_XRENDER_SURFACE + XRenderPictFormat *xrender_format; + struct closure *data; + cairo_surface_t *surface; + + data = xmalloc (sizeof (struct closure)); + + data->dpy = XOpenDisplay (NULL); + if (!data->dpy) { + return NULL; + } + + xrender_format = XRenderFindStandardFormat (data->dpy, PictStandardARGB32); + + data->pix = XCreatePixmap (data->dpy, DefaultRootWindow (data->dpy), + size, size, xrender_format->depth); + + surface = cairo_xlib_surface_create_with_xrender_format (data->dpy, + data->pix, + DefaultScreenOfDisplay (data->dpy), + xrender_format, + size, size); + data->device = cairo_device_reference (cairo_surface_get_device (surface)); + if (cairo_surface_set_user_data (surface, &closure_key, data, cleanup)) { + cairo_surface_finish (surface); + cairo_surface_destroy (surface); + cleanup (data); + return NULL; + } + + return surface; +#else + return NULL; +#endif +} + +CAIRO_TEST (xlib_surface_source, + "Test using a Xlib surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) diff --git a/test/xlib-surface.c b/test/xlib-surface.c new file mode 100644 index 000000000..137b28232 --- /dev/null +++ b/test/xlib-surface.c @@ -0,0 +1,353 @@ +/* + * Copyright © 2005 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#include <stdio.h> +#include <stdlib.h> + +#include "cairo.h" +#include "cairo-xlib.h" + +#include "cairo-boilerplate-xlib.h" + +#include "buffer-diff.h" + +#define SIZE 100 +#define OFFSCREEN_OFFSET 50 + +cairo_bool_t result = 0; + +#if CAIRO_HAS_XLIB_XRENDER_SURFACE + +#include "cairo-xlib-xrender.h" + +/* Vladimir Vukicevic reported that surfaces were being created with + * mismatching Visuals and XRenderPictFormats. + */ +static cairo_bool_t +surface_compare_visual_and_format (cairo_surface_t *surface) +{ + Display *dpy; + Visual *visual; + XRenderPictFormat *format; + + dpy = cairo_xlib_surface_get_display (surface); + + visual = cairo_xlib_surface_get_visual (surface); + if (visual == NULL) + return TRUE; + + format = cairo_xlib_surface_get_xrender_format (surface); + if (format == NULL) + return TRUE; + + return format == XRenderFindVisualFormat (dpy, visual); + +} +#else + +static cairo_bool_t +surface_compare_visual_and_format (cairo_surface_t *surface) +{ + return TRUE; +} + +#endif + +static cairo_bool_t +check_similar_visual_and_format (cairo_surface_t *surface) +{ + cairo_surface_t *similar; + cairo_bool_t ret; + + similar = cairo_surface_create_similar (surface, + CAIRO_CONTENT_COLOR_ALPHA, + 1, 1); + if (cairo_surface_status (similar)) + return FALSE; + + ret = surface_compare_visual_and_format (similar); + + cairo_surface_destroy (similar); + + return ret; +} + + +static void +draw_pattern (cairo_surface_t *surface) +{ + cairo_t *cr = cairo_create (surface); + int i; + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_set_source_rgba (cr, 0, 0.0, 0.0, 0.50); /* half-alpha-black */ + + for (i = 1; i <= 3; i++) { + int inset = SIZE / 8 * i; + + cairo_rectangle (cr, + inset, inset, + SIZE - 2 * inset, SIZE - 2 * inset); + cairo_fill (cr); + } + + cairo_destroy (cr); +} + +static void +erase_pattern (cairo_surface_t *surface) +{ + cairo_t *cr = cairo_create (surface); + + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */ + cairo_paint (cr); + + cairo_destroy (cr); +} + +static cairo_test_status_t +do_test (const cairo_test_context_t *ctx, + Display *dpy, + unsigned char *reference_data, + unsigned char *test_data, + unsigned char *diff_data, + cairo_bool_t use_pixmap, + cairo_bool_t set_size, + cairo_bool_t offscreen) +{ + cairo_surface_t *surface; + cairo_surface_t *test_surface; + cairo_t *test_cr; + buffer_diff_result_t result; + Drawable drawable; + int screen = DefaultScreen (dpy); + + if (use_pixmap && offscreen) + return CAIRO_TEST_SUCCESS; + + if (use_pixmap) { + drawable = XCreatePixmap (dpy, DefaultRootWindow (dpy), + SIZE, SIZE, DefaultDepth (dpy, screen)); + } else { + XSetWindowAttributes xwa; + int x, y; + + xwa.override_redirect = True; + + if (offscreen) { + x = - OFFSCREEN_OFFSET; + y = - OFFSCREEN_OFFSET; + } else { + x = 0; + y = 0; + } + + drawable = XCreateWindow (dpy, DefaultRootWindow (dpy), + x, y, SIZE, SIZE, 0, + DefaultDepth (dpy, screen), InputOutput, + DefaultVisual (dpy, screen), + CWOverrideRedirect, &xwa); + XMapWindow (dpy, drawable); + } + + surface = cairo_xlib_surface_create (dpy, + drawable, + DefaultVisual (dpy, screen), + SIZE, SIZE); + + if (! surface_compare_visual_and_format (surface)) + return CAIRO_TEST_FAILURE; + + if (set_size) { + cairo_xlib_surface_set_size (surface, SIZE, SIZE); + + if (cairo_xlib_surface_get_width (surface) != SIZE || + cairo_xlib_surface_get_height (surface) != SIZE) + return CAIRO_TEST_FAILURE; + } + + if (! check_similar_visual_and_format (surface)) + return CAIRO_TEST_FAILURE; + + draw_pattern (surface); + + test_surface = cairo_image_surface_create_for_data (test_data, + CAIRO_FORMAT_RGB24, + SIZE, SIZE, + SIZE * 4); + + test_cr = cairo_create (test_surface); + cairo_set_source_surface (test_cr, surface, 0, 0); + cairo_paint (test_cr); + + cairo_destroy (test_cr); + cairo_surface_destroy (test_surface); + + /* We erase the surface to black in case we get the same + * memory back again for the pixmap case. + */ + erase_pattern (surface); + cairo_surface_destroy (surface); + + if (use_pixmap) + XFreePixmap (dpy, drawable); + else + XDestroyWindow (dpy, drawable); + + if (offscreen) { + size_t offset = 4 * (SIZE * OFFSCREEN_OFFSET + OFFSCREEN_OFFSET); + + buffer_diff_noalpha (reference_data + offset, + test_data + offset, + diff_data + offset, + SIZE - OFFSCREEN_OFFSET, + SIZE - OFFSCREEN_OFFSET, + 4 * SIZE, + &result); + } else { + buffer_diff_noalpha (reference_data, + test_data, + diff_data, + SIZE, + SIZE, + 4 * SIZE, + &result); + } + + cairo_test_log (ctx, "xlib-surface: %s, %s, %s: %s\n", + set_size ? " size" : "no-size", + use_pixmap ? "pixmap" : "window", + use_pixmap ? " " : (offscreen ? ", offscreen" : ", onscreen"), + image_diff_is_failure (&result, 0) ? "FAIL" : "PASS"); + + if (image_diff_is_failure (&result, 0)) + return CAIRO_TEST_FAILURE; + else + return CAIRO_TEST_SUCCESS; +} + +static cairo_bool_t +check_visual (Display *dpy) +{ + Visual *visual = DefaultVisual (dpy, DefaultScreen (dpy)); + + if ((visual->red_mask == 0xff0000 && + visual->green_mask == 0x00ff00 && + visual->blue_mask == 0x0000ff) || + (visual->red_mask == 0x0000ff && + visual->green_mask == 0x00ff00 && + visual->blue_mask == 0xff0000)) + return 1; + else + return 0; +} + +#undef xcalloc +static void * +xcalloc (const cairo_test_context_t *ctx, size_t a, size_t b) +{ + void *ptr = calloc (a, b); + if (ptr == NULL) { + cairo_test_log (ctx, "xlib-surface: unable to allocate memory, skipping\n"); + abort (); + } + return ptr; +} + +static cairo_test_status_t +preamble (cairo_test_context_t *ctx) +{ + Display *dpy; + unsigned char *reference_data; + unsigned char *test_data; + unsigned char *diff_data; + cairo_surface_t *reference_surface; + cairo_bool_t use_pixmap; + cairo_bool_t set_size; + cairo_bool_t offscreen; + cairo_test_status_t status, result = CAIRO_TEST_UNTESTED; + int stride; + + if (! cairo_test_is_target_enabled (ctx, "xlib")) + goto CLEANUP_TEST; + + dpy = XOpenDisplay (NULL); + if (!dpy) { + cairo_test_log (ctx, "xlib-surface: Cannot open display, skipping\n"); + goto CLEANUP_TEST; + } + + if (!check_visual (dpy)) { + cairo_test_log (ctx, "xlib-surface: default visual is not RGB24 or BGR24, skipping\n"); + goto CLEANUP_DISPLAY; + } + + stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, SIZE); + + reference_data = xcalloc (ctx, SIZE, stride); + test_data = xcalloc (ctx, SIZE, stride); + diff_data = xcalloc (ctx, SIZE, stride); + + reference_surface = cairo_image_surface_create_for_data (reference_data, + CAIRO_FORMAT_RGB24, + SIZE, SIZE, + stride); + + draw_pattern (reference_surface); + cairo_surface_destroy (reference_surface); + + result = CAIRO_TEST_SUCCESS; + + for (set_size = 0; set_size <= 1; set_size++) + for (use_pixmap = 0; use_pixmap <= 1; use_pixmap++) + for (offscreen = 0; offscreen <= 1; offscreen++) { + status = do_test (ctx, dpy, + reference_data, test_data, diff_data, + use_pixmap, set_size, offscreen); + if (status) + result = status; + } + + free (reference_data); + free (test_data); + free (diff_data); + + CLEANUP_DISPLAY: + XCloseDisplay (dpy); + + CLEANUP_TEST: + return result; +} + +CAIRO_TEST (xlib_surface, + "Check creating surfaces for various XWindows", + "xlib", /* keywords */ + NULL, /* requirements */ + 0, 0, + preamble, NULL) diff --git a/test/zero-alpha.c b/test/zero-alpha.c new file mode 100644 index 000000000..0105cc8e6 --- /dev/null +++ b/test/zero-alpha.c @@ -0,0 +1,95 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth <cworth@cworth.org> + */ + +#include "cairo-test.h" + +#define SIZE 3 +#define REPS 10 + +/* History: + * + * 2006-06-13 Paul Giblock reports a "Stange alpha channel problem" on + * the cairo mailing list. + * + * 2006-06-13 Carl Worth writes this test in an attempt to reproduce + * the problem. The test first fills in a 3x3 rectangle with red, then + * starts pounding on that center pixel with various forms of + * zero-alpha rendering to see if its value can ever be made to + * change. + * + * 2006-06-13 Paul Giblock reports that this only happens with the + * xlib backend, and then only on some systems. + */ +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + int i; + cairo_surface_t *surface; + uint32_t zero = 0; + + /* First paint background red. */ + cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); /* red */ + cairo_paint (cr); + + /* Then we paint zero-alpha in several ways (always REPS times): */ + + /* 1. fill a rectangle with a zero-alpha solid source. */ + cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.0); /* transparent */ + cairo_rectangle (cr, 1.0, 1.0, 1.0, 1.0); + for (i=0; i < REPS; i++) + cairo_fill_preserve (cr); + cairo_new_path (cr); + + /* 2. paint with a zero-alpha image surface source. */ + surface = cairo_image_surface_create_for_data ((unsigned char *) &zero, + CAIRO_FORMAT_ARGB32, 1, 1, 4); + cairo_set_source_surface (cr, surface, 1, 1); + for (i=0; i < REPS; i++) + cairo_paint (cr); + + /* 3. clip to rectangle then paint with zero-alpha solid source. */ + cairo_rectangle (cr, 1.0, 1.0, 1.0, 1.0); + cairo_clip (cr); + cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.0); /* transparent */ + for (i=0; i < REPS; i++) + cairo_paint (cr); + + /* 4. With the clip still there, paint our image surface. */ + cairo_set_source_surface (cr, surface, 1, 1); + for (i=0; i < REPS; i++) + cairo_paint (cr); + + cairo_surface_finish (surface); /* zero will go out of scope */ + cairo_surface_destroy (surface); + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (zero_alpha, + "Testing that drawing with zero alpha has no effect", + "alpha", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + NULL, draw) diff --git a/test/zero-mask.c b/test/zero-mask.c new file mode 100644 index 000000000..3d2f34d0e --- /dev/null +++ b/test/zero-mask.c @@ -0,0 +1,198 @@ +/* + * Copyright © 2010 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" + +#define RECT 10 +#define SPACE 5 + +static void +paint_with_alpha (cairo_t *cr) +{ + cairo_paint_with_alpha (cr, 0.0); +} + +static void +mask_with_solid (cairo_t *cr) +{ + cairo_pattern_t *pattern = cairo_pattern_create_rgba (1, 0, 0, 0); + + cairo_mask (cr, pattern); + + cairo_pattern_destroy (pattern); +} + +static void +mask_with_empty_gradient (cairo_t *cr) +{ + cairo_pattern_t *pattern = cairo_pattern_create_linear (1, 2, 3, 4); + + cairo_mask (cr, pattern); + + cairo_pattern_destroy (pattern); +} + +static void +mask_with_gradient (cairo_t *cr) +{ + cairo_pattern_t *pattern = cairo_pattern_create_radial (1, 2, 3, 4, 5, 6); + + cairo_pattern_add_color_stop_rgba (pattern, 0, 1, 0, 0, 0); + cairo_pattern_add_color_stop_rgba (pattern, 0, 0, 0, 1, 0); + + cairo_mask (cr, pattern); + + cairo_pattern_destroy (pattern); +} + +static void +mask_with_surface (cairo_t *cr) +{ + cairo_surface_t *surface = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + RECT, + RECT); + + cairo_mask_surface (cr, surface, 0, 0); + + cairo_surface_destroy (surface); +} + +static void +mask_with_alpha_surface (cairo_t *cr) +{ + cairo_surface_t *surface = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_ALPHA, + RECT / 2, + RECT / 2); + cairo_pattern_t *pattern = cairo_pattern_create_for_surface (surface); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REFLECT); + + cairo_mask (cr, pattern); + + cairo_pattern_destroy (pattern); + cairo_surface_destroy (surface); +} + +static void +mask_with_nonclear_surface (cairo_t *cr) +{ + static unsigned char data[8 * 4] = { 0, }; + cairo_surface_t *surface = cairo_image_surface_create_for_data (data, + CAIRO_FORMAT_A1, + 16, 8, 4); + + cairo_mask_surface (cr, surface, 0, 0); + + cairo_surface_destroy (surface); +} + +static void +mask_with_0x0_surface (cairo_t *cr) +{ + cairo_surface_t *surface = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + 0, 0); + + cairo_mask_surface (cr, surface, 0, 0); + + cairo_surface_destroy (surface); +} + +static void +mask_with_extend_none (cairo_t *cr) +{ + cairo_surface_t *surface = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + RECT, + RECT); + + cairo_mask_surface (cr, surface, 2 * RECT, 2 * RECT); + + cairo_surface_destroy (surface); +} + +typedef void (* mask_func_t) (cairo_t *); + +static mask_func_t mask_funcs[] = { + paint_with_alpha, + mask_with_solid, + mask_with_empty_gradient, + mask_with_gradient, + mask_with_surface, + mask_with_alpha_surface, + mask_with_nonclear_surface, + mask_with_0x0_surface, + mask_with_extend_none +}; + +static cairo_operator_t operators[] = { + CAIRO_OPERATOR_CLEAR, + CAIRO_OPERATOR_SOURCE, + CAIRO_OPERATOR_OVER, + CAIRO_OPERATOR_IN, + CAIRO_OPERATOR_DEST_ATOP, + CAIRO_OPERATOR_SATURATE, + CAIRO_OPERATOR_MULTIPLY +}; + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + unsigned int i, op; + + /* 565-compatible gray background */ + cairo_set_source_rgb (cr, 0.51613, 0.55555, 0.51613); + cairo_paint (cr); + + cairo_set_source_rgb (cr, 0.0, 1.0, 0.0); /* green */ + /* mask with zero-alpha in several ways */ + + cairo_translate (cr, SPACE, SPACE); + + for (op = 0; op < ARRAY_LENGTH (operators); op++) { + cairo_set_operator (cr, operators[op]); + + for (i = 0; i < ARRAY_LENGTH (mask_funcs); i++) { + cairo_save (cr); + cairo_translate (cr, i * (RECT + SPACE), op * (RECT + SPACE)); + cairo_rectangle (cr, 0, 0, RECT, RECT); + cairo_clip (cr); + mask_funcs[i] (cr); + cairo_restore (cr); + } + } + + return CAIRO_TEST_SUCCESS; +} + +CAIRO_TEST (zero_mask, + "Testing that masking with zero alpha works", + "alpha, mask", /* keywords */ + NULL, /* requirements */ + SPACE + (RECT + SPACE) * ARRAY_LENGTH (mask_funcs), + SPACE + (RECT + SPACE) * ARRAY_LENGTH (operators), + NULL, draw) |
