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author | Vladimir Vukicevic <vladimir@pobox.com> | 2007-12-04 13:49:59 -0800 |
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committer | Vladimir Vukicevic <vladimir@h-232.office.mozilla.org> | 2007-12-04 13:50:49 -0800 |
commit | 2c25033e14d7d9f705c27683dfb093318d67910b (patch) | |
tree | 3c82f80192dc92ab1ccb3222f34b4f7728c9f6fe /test/clip-zero.c | |
parent | 407ed0a6e7183c4fc6da1e988fada19c82ccef8a (diff) | |
download | cairo-2c25033e14d7d9f705c27683dfb093318d67910b.tar.gz |
[quartz] Handle creating 0x0 surfaces
Make all 0x0 surfaces be no-ops when used in a rendering operation.
Diffstat (limited to 'test/clip-zero.c')
-rw-r--r-- | test/clip-zero.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/test/clip-zero.c b/test/clip-zero.c new file mode 100644 index 000000000..ec2dcc839 --- /dev/null +++ b/test/clip-zero.c @@ -0,0 +1,80 @@ +/* + * 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_draw_function_t draw; + +cairo_test_t test = { + "clip-zero", + "Verifies that 0x0 surfaces or clips don't cause problems.", + 0, 0, + draw +}; + +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_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; +} + +int +main (void) +{ + return cairo_test (&test); +} |