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: Behdad Esfahbod <behdad@behdad.org>
27 /* Exhibits nasty behaviour with GS due as their /Interpolate implementation
28 * does not function for rotated images. */
31 #include "cairo-test.h"
36 static cairo_test_status_t
37 draw (cairo_t *cr, int width, int height)
39 cairo_surface_t *surface;
43 /* Fill the background with grey, so that it's easily visible when
44 * things get overdrawn */
45 cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);
48 /* Create an image surface with my favorite four colors in each
50 surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
51 surface_size, surface_size);
52 cr_surface = cairo_create (surface);
53 cairo_surface_destroy (surface);
55 cairo_set_source_rgb (cr_surface, 1, 1, 1);
56 cairo_rectangle (cr_surface,
58 surface_size / 2, surface_size / 2);
59 cairo_fill (cr_surface);
60 cairo_set_source_rgb (cr_surface, 1, 0, 0);
61 cairo_rectangle (cr_surface,
63 surface_size / 2, surface_size / 2);
64 cairo_fill (cr_surface);
65 cairo_set_source_rgb (cr_surface, 0, 1, 0);
66 cairo_rectangle (cr_surface,
68 surface_size / 2, surface_size / 2);
69 cairo_fill (cr_surface);
70 cairo_set_source_rgb (cr_surface, 0, 0, 1);
71 cairo_rectangle (cr_surface,
72 surface_size / 2, surface_size / 2,
73 surface_size / 2, surface_size / 2);
74 cairo_fill (cr_surface);
76 cairo_scale (cr, 10, 10);
77 cairo_rotate (cr, 1.);
78 cairo_set_source_surface (cr, cairo_get_target (cr_surface), 4, -4.5);
79 cairo_destroy (cr_surface);
81 cairo_pattern_set_extend (cairo_get_source (cr), CAIRO_EXTEND_NONE);
84 return CAIRO_TEST_SUCCESS;
87 CAIRO_TEST (surface_pattern_scale_up,
88 "Test scaled-up transformed not-repeated surface patterns"
89 "\nFails xlib backend (with argb32) with inexplicable alpha in result",
90 "transform", /* keywords */
91 NULL, /* requirements */