1 /*
2 * Copyright © 2005 Red Hat, Inc.
3 *
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 * Red Hat, Inc. not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. Red Hat, Inc. makes no representations about the
12 * suitability of this software for any purpose. It is provided "as
13 * is" without express or implied warranty.
14 *
15 * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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.
22 *
23 * Author: Carl D. Worth <cworth@cworth.org>
24 */
25
26 #include "cairo-test.h"
27
28 static cairo_test_status_t
draw(cairo_t * cr,int width,int height)29 draw (cairo_t *cr, int width, int height)
30 {
31 cairo_surface_t *mask;
32 uint32_t data[] = {
33 0x80000000, 0x80000000,
34 0x80000000, 0x80000000,
35 };
36
37 mask = cairo_image_surface_create_for_data ((unsigned char *) data,
38 CAIRO_FORMAT_ARGB32, 2, 2, 8);
39
40 cairo_set_source_rgb (cr, 1.0, 0, 0);
41
42 /* We can translate with the CTM, with the mask_surface offset, or
43 * with both. */
44
45 /* 1. CTM alone. */
46 cairo_save (cr);
47 {
48 cairo_translate (cr, 2, 2);
49 cairo_mask_surface (cr, mask, 0, 0);
50 }
51 cairo_restore (cr);
52
53 /* 2. Offset alone. */
54 cairo_mask_surface (cr, mask, 4, 4);
55
56 /* 3. CTM + offset */
57 cairo_translate (cr, 2, 2);
58 cairo_mask_surface (cr, mask, 4, 4);
59
60 cairo_surface_finish (mask); /* data goes out of scope */
61 cairo_surface_destroy (mask);
62
63 return CAIRO_TEST_SUCCESS;
64 }
65
66 CAIRO_TEST (mask_surface_ctm,
67 "Test that cairo_mask_surface is affected properly by the CTM",
68 "mask", /* keywords */
69 NULL, /* requirements */
70 10, 10,
71 NULL, draw)
72