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 #include "cairo-test.h"
28 static cairo_test_status_t
29 draw (cairo_t *cr, int width, int height)
31 cairo_surface_t *mask;
32 cairo_pattern_t *pattern;
35 cairo_set_source_rgb (cr, 0, 0, 1.0);
38 mask = cairo_surface_create_similar (cairo_get_group_target (cr),
41 cr2 = cairo_create (mask);
42 cairo_surface_destroy (mask);
44 mask = cairo_surface_create_similar (cairo_get_group_target (cr2),
47 cr3 = cairo_create (mask);
48 cairo_surface_destroy (mask);
51 cairo_set_operator (cr3, CAIRO_OPERATOR_CLEAR);
53 } cairo_restore (cr3);
55 pattern = cairo_pattern_create_linear (0, 0, width, height);
56 cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.);
57 cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.);
58 cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5);
59 cairo_pattern_add_color_stop_rgba (pattern, 0.75, 1., 1., 1., 1.);
60 cairo_pattern_add_color_stop_rgba (pattern, 1.00, 0., 0., 0., 0.);
61 cairo_set_source (cr3, pattern);
62 cairo_pattern_destroy (pattern);
67 cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR);
69 } cairo_restore (cr2);
71 pattern = cairo_pattern_create_radial (
72 0.5 * width, 0.5 * height, 0,
73 0.5 * width, 0.5 * height, 0.5 *height);
74 cairo_pattern_add_color_stop_rgba (pattern, 0.00, 0., 0., 0., 0.);
75 cairo_pattern_add_color_stop_rgba (pattern, 0.25, 1., 1., 1., 1.);
76 cairo_pattern_add_color_stop_rgba (pattern, 0.50, 1., 1., 1., .5);
77 cairo_pattern_add_color_stop_rgba (pattern, 1.00, 1., 1., 1., 1.);
78 cairo_set_source (cr2, pattern);
79 cairo_pattern_destroy (pattern);
81 cairo_mask_surface (cr2, cairo_get_target (cr3), 0, 0);
84 cairo_set_source_rgb (cr, 1.0, 0, 0);
85 cairo_mask_surface (cr, cairo_get_target (cr2), 0, 0);
88 return CAIRO_TEST_SUCCESS;
91 CAIRO_TEST (smask_mask,
92 "Test the support of \"soft\" masks with a secondary mask",
93 "smask, mask", /* keywords */
94 NULL, /* requirements */