2 * Copyright 2008 Chris Wilson
4 * Permission to use, copy, modify, distribute, and sell this software
5 * and its documentation for any purpose is hereby granted without
6 * fee, provided that the above copyright notice appear in all copies
7 * and that both that copyright notice and this permission notice
8 * appear in supporting documentation, and that the name of
9 * Chris Wilson not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. Chris Wilson makes no representations about the
12 * suitability of this software for any purpose. It is provided "as
13 * is" without express or implied warranty.
15 * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
18 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
21 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Author: Chris Wilson <chris@chris-wilson.co.uk>
26 /* Question: are patterns mutable? The answer depends on who you ask... */
28 #include "cairo-test.h"
30 /* This test is only interesting if the target has alpha */
31 static cairo_test_status_t
32 draw (cairo_t *cr, int width, int height)
34 cairo_set_source_rgba (cr, 0, 0, 0, .01);
37 cairo_set_source_surface (cr, cairo_get_target (cr), 1, 1);
40 return CAIRO_TEST_SUCCESS;
43 CAIRO_TEST (self_copy_overlap,
44 "Tests painting to itself using itself as the source"
45 "\nBackends treat this case inconsistently---vector backends are creating snapshots.",
46 "self-copy", /* keywords */
47 NULL, /* requirements */