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
76
77
78
79
80
|
/*
* Copyright © 2005 Red Hat, Inc.
*
* 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
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org>
*/
#include "cairo-test.h"
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *mask_surface;
cairo_pattern_t *mask;
uint32_t data[] = {
0x80000000, 0x80000000,
0x80000000, 0x80000000,
};
cairo_matrix_t matrix;
mask_surface = cairo_image_surface_create_for_data ((unsigned char *) data,
CAIRO_FORMAT_ARGB32, 2, 2, 8);
mask = cairo_pattern_create_for_surface (mask_surface);
cairo_set_source_rgb (cr, 1.0, 0, 0);
/* We can translate with the CTM, with the pattern matrix, or with
* both. */
/* 1. CTM alone. */
cairo_save (cr);
{
cairo_translate (cr, 2, 2);
cairo_mask (cr, mask);
}
cairo_restore (cr);
/* 2. Pattern matrix alone. */
cairo_matrix_init_translate (&matrix, -4, -4);
cairo_pattern_set_matrix (mask, &matrix);
cairo_mask (cr, mask);
/* 3. CTM + pattern matrix */
cairo_translate (cr, 2, 2);
cairo_mask (cr, mask);
cairo_pattern_destroy (mask);
cairo_surface_finish (mask_surface); /* data goes out of scope */
cairo_surface_destroy (mask_surface);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (mask_ctm,
"Test that cairo_mask is affected properly by the CTM",
"mask", /* keywords */
NULL, /* requirements */
10, 10,
NULL, draw)
|
