1 /* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
2 /*
3 * Copyright 2010 Krzysztof Kosiński
4 *
5 * Permission is hereby granted, free of charge, to any person
6 * obtaining a copy of this software and associated documentation
7 * files (the "Software"), to deal in the Software without
8 * restriction, including without limitation the rights to use, copy,
9 * modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Author: Krzysztof Kosiński <tweenk.pl@gmail.com>
26 */
27
28 #include "cairo-test.h"
29
30 /* originally reported in https://bugs.freedesktop.org/show_bug.cgi?id=29470 */
31
32 #define OFFSET 50
33 #define SIZE 1000
34
mark_point(cairo_t * ct,double x,double y)35 static void mark_point(cairo_t *ct, double x, double y)
36 {
37 cairo_rectangle(ct, x-2, y-2, 4, 4);
38 cairo_set_source_rgb(ct, 1,0,0);
39 cairo_fill(ct);
40 }
41
42 static cairo_test_status_t
draw(cairo_t * cr,int width,int height)43 draw (cairo_t *cr, int width, int height)
44 {
45 cairo_pattern_t *gr = cairo_pattern_create_linear (SIZE - OFFSET, OFFSET,
46 OFFSET, SIZE - OFFSET);
47
48 cairo_pattern_add_color_stop_rgb (gr, 0.0, 1, 1, 1);
49 cairo_pattern_add_color_stop_rgb (gr, 0.0, 0, 0, 0);
50 cairo_pattern_add_color_stop_rgb (gr, 1.0, 0, 0, 0);
51 cairo_pattern_add_color_stop_rgb (gr, 1.0, 1, 1, 1);
52
53 cairo_set_source (cr, gr);
54 cairo_pattern_destroy (gr);
55 cairo_paint (cr);
56
57 mark_point(cr, SIZE - OFFSET, OFFSET);
58 mark_point(cr, OFFSET, SIZE - OFFSET);
59
60 return CAIRO_TEST_SUCCESS;
61 }
62
63 CAIRO_TEST (linear_gradient_large,
64 "Tests that large linear gradients get rendered at the correct place",
65 "linear, pattern", /* keywords */
66 NULL, /* requirements */
67 SIZE, SIZE,
68 NULL, draw)
69