diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/paint-with-alpha-group-clip.c')
| -rw-r--r-- | libs/cairo-1.16.0/test/paint-with-alpha-group-clip.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/paint-with-alpha-group-clip.c b/libs/cairo-1.16.0/test/paint-with-alpha-group-clip.c new file mode 100644 index 0000000..e1e4383 --- /dev/null +++ b/libs/cairo-1.16.0/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) |