1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* Copyright 2008 Chris Wilson
*
* 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
* Chris Wilson not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Chris Wilson makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL CHRIS WILSON 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: Chris Wilson <chris@chris-wilson.co.uk>
*/
/* Question: are patterns mutable? The answer depends on who you ask... */
#include "cairo-test.h"
/* This test is only interesting if the target has alpha */
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_set_source_rgba (cr, 0, 0, 0, .01);
cairo_paint (cr);
cairo_set_source_surface (cr, cairo_get_target (cr), 1, 1);
cairo_paint (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (self_copy_overlap,
"Tests painting to itself using itself as the source"
"\nBackends treat this case inconsistently---vector backends are creating snapshots.",
"self-copy", /* keywords */
NULL, /* requirements */
200, 200,
NULL, draw)
|
