2 * Copyright © 2007 Red Hat, Inc.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Author: Kristian Høgsberg <krh@redhat.com>
34 #include "cairo-test.h"
39 #define IMAGE_WIDTH (3 * WIDTH)
40 #define IMAGE_HEIGHT IMAGE_WIDTH
42 /* Draw the word cairo at NUM_TEXT different angles */
43 static cairo_test_status_t
44 draw (cairo_t *cr, int width, int height)
46 cairo_surface_t *stamp;
49 /* Draw a translucent rectangle for reference where the rotated
52 cairo_rectangle (cr, WIDTH, HEIGHT, WIDTH, HEIGHT);
53 cairo_set_source_rgba (cr, 1, 1, 0, 0.3);
56 #if 1 /* Set to 0 to generate reference image */
57 cairo_translate (cr, 2 * WIDTH, 2 * HEIGHT);
58 cairo_rotate (cr, M_PI);
60 cairo_translate (cr, WIDTH, HEIGHT);
63 stamp = cairo_surface_create_similar (cairo_get_group_target (cr),
64 CAIRO_CONTENT_COLOR_ALPHA,
66 cr2 = cairo_create (stamp);
67 cairo_surface_destroy (stamp);
70 cairo_rectangle (cr2, WIDTH / 4, HEIGHT / 4, WIDTH / 2, HEIGHT / 2);
71 cairo_set_source_rgba (cr2, 1, 0, 0, 0.8);
74 cairo_rectangle (cr2, 0, 0, WIDTH, HEIGHT);
75 cairo_set_line_width (cr2, 2);
76 cairo_set_source_rgb (cr2, 0, 0, 0);
79 cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0);
84 return CAIRO_TEST_SUCCESS;
87 CAIRO_TEST (pixman_rotate,
88 "Exposes pixman off-by-one error when rotating",
89 "image, transform", /* keywords */
90 NULL, /* requirements */
91 IMAGE_WIDTH, IMAGE_HEIGHT,