2 * Copyright © 2007 Mozilla Corporation
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Author: Vladimir Vukicevic <vladimir@pobox.com>
27 #include "cairo-test.h"
29 static cairo_test_status_t
30 draw (cairo_t *cr, int width, int height)
33 cairo_surface_t *surf;
36 cairo_rectangle (cr, 0, 0, 0, 0);
39 cairo_push_group (cr);
41 cairo_set_source_rgb (cr, 1, 0, 0);
44 cairo_rectangle (cr, -10, 10, 20, 20);
45 cairo_fill_preserve (cr);
46 cairo_stroke_preserve (cr);
49 cairo_select_font_face (cr, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
50 cairo_show_text (cr, "ABC");
52 cairo_mask (cr, cairo_get_source (cr));
54 surf = cairo_surface_create_similar (cairo_get_group_target (cr), CAIRO_CONTENT_COLOR_ALPHA, 0, 0);
55 pat = cairo_pattern_create_for_surface (surf);
56 cairo_surface_destroy (surf);
59 cairo_pattern_destroy (pat);
61 cairo_pop_group_to_source (cr);
64 return CAIRO_TEST_SUCCESS;
67 CAIRO_TEST (clip_zero,
68 "Verifies that 0x0 surfaces or clips don't cause problems.",
69 "clip", /* keywords */
70 NULL, /* requirements */