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author | mh0310.choi <mh0310.choi@samsung.com> | 2015-07-28 10:46:57 +0900 |
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committer | mh0310.choi <mh0310.choi@samsung.com> | 2015-07-28 13:08:12 +0900 |
commit | 5e67a6f721eaedda61300baf0799199c7771ebd0 (patch) | |
tree | 6cd50b52498aab50e79b966cdccc2a137db316d9 /test/dash-offset-negative.c | |
parent | d3aeffba37161d2b76b29c4ea13369bd67a47a8e (diff) | |
download | cairo-5e67a6f721eaedda61300baf0799199c7771ebd0.tar.gz cairo-5e67a6f721eaedda61300baf0799199c7771ebd0.tar.bz2 cairo-5e67a6f721eaedda61300baf0799199c7771ebd0.zip |
Cairo version Upgrade for Tizen3.0submit/tizen_tv/20150728.091927submit/tizen_mobile/20150728.091912submit/tizen_common/20150728.091859accepted/tizen/tv/20150729.011254accepted/tizen/mobile/20150729.011230
- from 1.12.14 to 1.14.2
Change-Id: I3b62d212041b337bbb926d579f9ce74f42a45c3b
Diffstat (limited to 'test/dash-offset-negative.c')
-rw-r--r-- | test/dash-offset-negative.c | 100 |
1 files changed, 100 insertions, 0 deletions
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) |