diff options
author | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
commit | 530ffd0b7d3c39757b20f00716e486b5caf89aff (patch) | |
tree | 76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/test/clip-fill-rule.c | |
parent | 3dbe9332e47c143a237db12440f134caebd1cfbe (diff) |
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/test/clip-fill-rule.c')
-rw-r--r-- | libs/cairo-1.16.0/test/clip-fill-rule.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/clip-fill-rule.c b/libs/cairo-1.16.0/test/clip-fill-rule.c new file mode 100644 index 0000000..31c3ab7 --- /dev/null +++ b/libs/cairo-1.16.0/test/clip-fill-rule.c @@ -0,0 +1,87 @@ +/* + * 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 + +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; +} + +static cairo_test_status_t +a1_draw (cairo_t *cr, int width, int height) +{ + cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); + return draw (cr, width, height); +} + +CAIRO_TEST (clip_fill_rule, + "Tests interaction of clipping with cairo_set_fill_rule", + "clip", /* keywords */ + NULL, /* requirements */ + STAR_SIZE * 2 + 2, STAR_SIZE + 2, + NULL, draw) +CAIRO_TEST (a1_clip_fill_rule, + "Tests interaction of clipping with cairo_set_fill_rule", + "clip", /* keywords */ + "target=raster", /* requirements */ + STAR_SIZE * 2 + 2, STAR_SIZE + 2, + NULL, a1_draw) |