2 * Copyright © 2008 Chris Wilson
4 * Permission to use, copy, modify, distribute, and sell this software
5 * and its documentation for any purpose is hereby granted without
6 * fee, provided that the above copyright notice appear in all copies
7 * and that both that copyright notice and this permission notice
8 * appear in supporting documentation, and that the name of
9 * the author not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. The author makes no representations about the
12 * suitability of this software for any purpose. It is provided "as
13 * is" without express or implied warranty.
15 * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL THE AUTHOR. BE LIABLE FOR ANY SPECIAL,
18 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
21 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Author: Chris Wilson <chris@chris-wilson.co.uk>
26 #include "cairo-test.h"
28 static cairo_test_status_t
29 draw (cairo_t *cr, int width, int height)
32 double dashes[] = {6, 3};
34 cairo_set_source_rgb (cr, 1, 1, 1);
37 /* partially visible rectangle... */
38 cairo_rectangle (cr, -0.5, -0.5, 61, 61);
40 /* rectangles with intersecting segments... */
42 cairo_translate (cr, 30, 30);
43 for (i = 0; i < 4; i++) {
44 cairo_rotate (cr, M_PI / 4);
45 cairo_rectangle (cr, -37, -15, 74, 30);
49 /* completely invisible rectangle */
50 cairo_rectangle (cr, -5, -5, 70, 70);
52 cairo_set_dash (cr, dashes, ARRAY_LENGTH (dashes), 0.);
53 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
54 cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL);
55 cairo_set_source_rgb (cr, 0, 0, 0);
58 return CAIRO_TEST_SUCCESS;
61 CAIRO_TEST (long_dashed_lines,
62 "Exercises _cairo_box_intersects_line_segment()",
63 "dash, stroke, stress", /* keywords */
64 NULL, /* requirements */