diff options
Diffstat (limited to 'test/fallback-resolution.c')
-rw-r--r-- | test/fallback-resolution.c | 517 |
1 files changed, 0 insertions, 517 deletions
diff --git a/test/fallback-resolution.c b/test/fallback-resolution.c deleted file mode 100644 index 306a57013..000000000 --- a/test/fallback-resolution.c +++ /dev/null @@ -1,517 +0,0 @@ -/* - * 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) |