2 * Copyright © 2009 Benjamin Otte
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 * Authors: Benjamin Otte <otte@gnome.org>
26 #include "cairo-test.h"
31 static cairo_pattern_t *
32 create_green_source (void)
34 cairo_surface_t *image;
35 cairo_pattern_t *pattern;
38 image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, WIDTH, HEIGHT);
39 cr = cairo_create (image);
40 cairo_surface_destroy (image);
42 cairo_set_source_rgb (cr, 0, 1, 0);
45 pattern = cairo_pattern_create_for_surface (cairo_get_target (cr));
51 static cairo_test_status_t
52 draw (cairo_t *cr, int width, int height)
54 cairo_pattern_t *source;
57 cairo_surface_get_device_offset (cairo_get_group_target (cr), &old_x, &old_y);
58 cairo_surface_set_device_offset (cairo_get_group_target (cr), old_x+5, old_y+5);
60 source = create_green_source ();
61 cairo_set_source (cr, source);
62 cairo_pattern_destroy (source);
64 cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
65 cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
69 cairo_surface_set_device_offset (cairo_get_group_target (cr), old_x, old_y);
71 return CAIRO_TEST_SUCCESS;
74 CAIRO_TEST (clip_device_offset,
75 "Test clipping on surfaces with device offsets",
76 "clip", /* keywords */
77 NULL, /* requirements */