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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* Copyright © 2011 Uli Schlachter
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Author: Uli Schlachter <psychon@znc.in>
*/
#include "cairo-test.h"
#include "cairo.h"
static cairo_surface_t *
create_image (int width, int height)
{
cairo_surface_t *surface;
cairo_t *cr;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
/* Paint something random to the image */
cr = cairo_create (surface);
cairo_surface_destroy (surface);
cairo_set_source_rgb (cr, 0, 1, 1);
cairo_paint (cr);
surface = cairo_surface_reference (cairo_get_target (cr));
cairo_destroy (cr);
return surface;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *image;
/* Image has to have same geometry as xcb surface to be added as a snapshot */
image = create_image (width, height);
cairo_set_source_surface (cr, image, 0, 0);
cairo_surface_destroy (image);
/* This attaches the tested xcb surface as a snapshot */
cairo_paint (cr);
/* Now cairo is modifying a snapshot which fails an
* assert in _cairo_surface_begin_modification */
cairo_paint (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (xcb_snapshot_assert,
"Test a wrong _cairo_surface_attach_snapshot call",
"xcb", /* keywords */
NULL, /* requirements */
2, 2,
NULL, draw)
|
