2 * Copyright © 2011 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"
33 static void diamond (cairo_t *cr)
35 cairo_move_to (cr, WIDTH/2, 0);
36 cairo_line_to (cr, WIDTH, HEIGHT/2);
37 cairo_line_to (cr, WIDTH/2, HEIGHT);
38 cairo_line_to (cr, 0, HEIGHT/2);
39 cairo_close_path (cr);
42 static void background (cairo_t *cr)
44 cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
45 cairo_set_source_rgb (cr, 1,1,1);
47 cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
48 cairo_set_source_rgb (cr, 0,0,0);
51 static cairo_test_status_t
52 draw (cairo_t *cr, int width, int height)
56 /* completely overlapping diamonds */
65 cairo_translate (cr, WIDTH, 0);
69 cairo_translate (cr, -WIDTH/4, 0);
72 cairo_translate (cr, WIDTH/2, 0);
78 cairo_translate (cr, WIDTH, 0);
80 /* no overlap, but the bounding boxes must */
82 cairo_translate (cr, -WIDTH/2 + 2, -2);
85 cairo_translate (cr, WIDTH - 4, 4);
91 cairo_translate (cr, WIDTH, 0);
93 /* completely disjoint */
95 cairo_translate (cr, -WIDTH/2 - 1, 0);
98 cairo_translate (cr, WIDTH + 2, 0);
104 return CAIRO_TEST_SUCCESS;
107 CAIRO_TEST (clip_polygons,
108 "Test drawing through through an intersection of polygons",
109 "clip", /* keywords */
110 "target=raster", /* requirements */