2 * Copyright © 2005 Red Hat, Inc.
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.
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.
23 * Author: Owen Taylor <otaylor@redhat.com>
27 #include "cairo-test.h"
32 static cairo_test_status_t
33 draw (cairo_t *cr, int width, int height)
35 cairo_pattern_t *pattern;
36 cairo_matrix_t matrix;
38 /* Paint a diagonal division as a test image */
39 cairo_set_source_rgb (cr, 1, 1, 1); /* White */
42 cairo_move_to (cr, SIZE, 0);
43 cairo_line_to (cr, SIZE, SIZE);
44 cairo_line_to (cr, 0, SIZE);
46 cairo_set_source_rgb (cr, 0, 0, 0);
49 /* Create a pattern with the target surface as the source,
52 pattern = cairo_pattern_create_for_surface (cairo_get_group_target (cr));
54 cairo_matrix_init_translate (&matrix, - SIZE / 2, - SIZE / 2);
55 cairo_pattern_set_matrix (pattern, &matrix);
57 cairo_set_source (cr, pattern);
58 cairo_pattern_destroy (pattern);
60 /* Copy two rectangles from the upper-left quarter of the image to
61 * the lower right. It will work if we use cairo_fill(), but the
62 * cairo_clip() cairo_paint() combination fails because the clip
63 * on the surface as a destination affects it as the source as
67 2 * SIZE / 4, 2 * SIZE / 4,
70 3 * SIZE / 4, 3 * SIZE / 4,
75 return CAIRO_TEST_SUCCESS;
79 CAIRO_TEST (self_copy,
80 "Test copying from a surface to itself with a clip",
81 "paint", /* keywords */
82 NULL, /* requirements */