2 * Copyright 2010 Intel Corporation
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 * Intel not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. Intel 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 * INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL INTEL CORPORATION 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 *region, *similar;
32 cairo_t *cr_region, *cr_similar;
34 cairo_set_source_rgb (cr, .5, .5, .5);
37 similar = cairo_surface_create_similar (cairo_get_target (cr),
38 CAIRO_CONTENT_COLOR_ALPHA,
42 cr_similar = cairo_create (similar);
43 cairo_surface_destroy (similar);
44 cairo_set_source_surface (cr_similar, cairo_get_target (cr), -20, -20);
45 cairo_paint (cr_similar);
46 similar = cairo_surface_reference (cairo_get_target (cr_similar));
47 cairo_destroy (cr_similar);
50 region = cairo_surface_create_for_rectangle (cairo_get_target (cr),
52 cr_region = cairo_create (region);
53 cairo_surface_destroy (region);
55 cairo_set_source_rgb (cr_region, 1, 1, 1);
56 cairo_rectangle (cr_region, 0, 0, 10, 10);
57 cairo_fill (cr_region);
59 cairo_set_source_rgb (cr_region, 1, 0, 0);
60 cairo_rectangle (cr_region, 10, 0, 10, 10);
61 cairo_fill (cr_region);
63 cairo_set_source_rgb (cr_region, 0, 1, 0);
64 cairo_rectangle (cr_region, 0, 10, 10, 10);
65 cairo_fill (cr_region);
67 cairo_set_source_rgb (cr_region, 0, 0, 1);
68 cairo_rectangle (cr_region, 10, 10, 10, 10);
69 cairo_fill (cr_region);
71 cairo_destroy (cr_region);
73 /* copy the centre, again */
74 cr_similar = cairo_create (similar);
75 cairo_surface_destroy (similar);
76 cairo_set_source_surface (cr_similar, cairo_get_target (cr), -20, -20);
77 cairo_paint (cr_similar);
78 similar = cairo_surface_reference (cairo_get_target (cr_similar));
79 cairo_destroy (cr_similar);
81 /* repeat the pattern around the outside, but do not overwrite...*/
82 cairo_set_source_surface (cr, similar, 20, 20);
83 cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_REPEAT);
84 cairo_rectangle (cr, 0, 0, width, height);
85 cairo_rectangle (cr, 20, 40, 20, -20);
88 cairo_surface_destroy (similar);
90 return CAIRO_TEST_SUCCESS;
93 CAIRO_TEST (subsurface_modify_child,
94 "Tests source clipping with later modifications",
95 "subsurface", /* keywords */
96 "target=raster", /* FIXME! recursion bug in subsurface/snapshot (with pdf backend) */ /* requirements */