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author | Carl Worth <cworth@cworth.org> | 2005-10-12 13:37:00 +0000 |
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committer | Carl Worth <cworth@cworth.org> | 2005-10-12 13:37:00 +0000 |
commit | 7dcbcdf75c5d9a7a691d741ecd1d36160fb725e3 (patch) | |
tree | 98b9b4c12774b3b824037c5eeeb7013f8ed87ae8 /test/clip-fill-rule.c | |
parent | 990dfde44762a2e85f4d85f1e2a93a7b976533cd (diff) | |
download | cairo-7dcbcdf75c5d9a7a691d741ecd1d36160fb725e3.tar.gz |
Add a couple of tests to improve our coverage (clipping under both fill rules).
Diffstat (limited to 'test/clip-fill-rule.c')
-rw-r--r-- | test/clip-fill-rule.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/test/clip-fill-rule.c b/test/clip-fill-rule.c new file mode 100644 index 000000000..74722ce88 --- /dev/null +++ b/test/clip-fill-rule.c @@ -0,0 +1,79 @@ +/* + * 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 + +cairo_test_t test = { + "clip-fill-rule", + "Tests interaction of clipping with cairo_set_fill_rule", + STAR_SIZE * 2 + 2, STAR_SIZE + 2 +}; + +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; +} + +int +main (void) +{ + return cairo_test (&test, draw); +} |