2 * Copyright © 2006 Red Hat, Inc.
3 * Copyright © 2008 Chris Wilson
5 * Permission to use, copy, modify, distribute, and sell this software
6 * and its documentation for any purpose is hereby granted without
7 * fee, provided that the above copyright notice appear in all copies
8 * and that both that copyright notice and this permission notice
9 * appear in supporting documentation, and that the name of
10 * Red Hat, Inc. not be used in advertising or publicity pertaining to
11 * distribution of the software without specific, written prior
12 * permission. Red Hat, Inc. makes no representations about the
13 * suitability of this software for any purpose. It is provided "as
14 * is" without express or implied warranty.
16 * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
18 * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
19 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
20 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
21 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
22 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 * Author: Carl D. Worth <cworth@cworth.org>
25 * Chris Wilson <chris@chris-wilson.co.uk>
28 #include "cairo-test.h"
34 static cairo_test_status_t
35 draw (cairo_t *cr, int width, int height)
37 cairo_surface_t *surface;
41 /* Fill the background */
42 cairo_set_source_rgb (cr, 1, 1, 1); /* white */
45 surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SIZE, SIZE);
46 cr2 = cairo_create (surface);
47 cairo_surface_destroy (surface);
49 cairo_set_source_rgb (cr2, 0, 0, 1); /* blue */
52 cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0);
55 for (i = 0; i < COUNT; i++) {
56 for (j = 0; j < COUNT; j++) {
57 cairo_surface_set_device_offset (surface,
59 -j*(SIZE+PAD+.5)-PAD);
64 return CAIRO_TEST_SUCCESS;
67 CAIRO_TEST (device_offset_fractional,
68 "Test using image surfaces with fractional device-offsets as sources.",
69 "device-offset", /* keywords */
70 NULL, /* requirements */
71 COUNT*(SIZE+PAD+.5)+PAD, COUNT*(SIZE+PAD+.5)+PAD,