2 * Copyright © 2010 Intel Corporation
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: Chris Wilson <chris@chris-wilson.co.uk>
27 #include "cairo-test.h"
29 static cairo_test_status_t
30 draw (cairo_t *cr, int width, int height)
32 cairo_pattern_t *pattern;
34 cairo_set_source_rgb (cr, 0, 0, 0);
37 pattern = cairo_pattern_create_linear (width/2, 0, width/2, 0);
38 cairo_pattern_add_color_stop_rgb (pattern, 0, 1, 0, 0);
39 cairo_pattern_add_color_stop_rgb (pattern, 1, 0, 0, 1);
40 cairo_set_source (cr, pattern);
42 cairo_pattern_set_extend (pattern, CAIRO_EXTEND_NONE); /* nothing */
43 cairo_rectangle (cr, 0, 0, width, height/2);
46 cairo_pattern_set_extend (pattern, CAIRO_EXTEND_PAD); /* step */
47 cairo_rectangle (cr, 0, height/2, width, height/2);
50 cairo_pattern_destroy (pattern);
52 return CAIRO_TEST_SUCCESS;
55 CAIRO_TEST (linear_step_function,
56 "Tests creating a step function using a linear gradient",
57 "gradient, linear", /* keywords */
58 NULL, /* requirements */