2 * Copyright © 2010 Intel 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: Chris Wilson <chris@chris-wilson.co.uk>
26 * Based on a bug snippet by Jeremy Moles <jeremy@emperorlinux.com>
29 #include "cairo-test.h"
31 static cairo_test_status_t
32 draw (cairo_t *cr, int width, int height)
34 cairo_pattern_t *mask;
36 cairo_set_source_rgb (cr, 1, 0, 0);
39 cairo_push_group_with_content (cr, CAIRO_CONTENT_ALPHA);
41 cairo_set_source_rgb (cr, 1, 1, 1);
44 cairo_move_to (cr, 0, 0);
45 cairo_line_to (cr, width, height);
46 cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
47 cairo_set_line_width (cr, 10);
50 mask = cairo_pop_group (cr);
51 cairo_set_source_rgb (cr, 1, 1, 1);
52 cairo_mask (cr, mask);
53 cairo_pattern_destroy (mask);
55 return CAIRO_TEST_SUCCESS;
59 "Test clear on an a8 surface",
60 "a8, clear", /* keywords */
61 NULL, /* requirements */