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 * Chris Wilson not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. Chris Wilson 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 * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL CHRIS WILSON 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>
24 * Franz Schmid <Franz.Schmid@altmuehlnet.de>
27 /* Test case for bug reported by Franz Schmid <Franz.Schmid@altmuehlnet.de>
28 * http://lists.cairographics.org/archives/cairo/2008-April/013912.html
30 * See also: http://bugs.freedesktop.org/show_bug.cgi?id=17177
33 #include "cairo-test.h"
38 static cairo_test_status_t
39 draw (cairo_t *cr, int width, int height)
41 const double dash[2] = {4, 2};
43 cairo_set_source_rgb (cr, 1, 1, 1);
46 cairo_set_source_rgb (cr, 0., 0., 0);
48 cairo_translate (cr, 0.5, .5);
49 cairo_set_line_width (cr, 1); /* This is vital to reproduce the bug. */
51 /* First check simple rectangles */
52 cairo_set_source_rgb (cr, 0., 0., 0);
53 cairo_rectangle (cr, -WIDTH/4, -HEIGHT/4, WIDTH, HEIGHT);
55 cairo_rectangle (cr, WIDTH+WIDTH/4, -HEIGHT/4, -WIDTH, HEIGHT);
57 cairo_rectangle (cr, -WIDTH/4, HEIGHT+HEIGHT/4, WIDTH, -HEIGHT);
59 cairo_rectangle (cr, WIDTH+WIDTH/4, HEIGHT+HEIGHT/4, -WIDTH, -HEIGHT);
62 cairo_set_dash (cr, dash, 2, 0);
65 cairo_set_source_rgb (cr, 1., 0., 0);
66 cairo_rectangle (cr, -WIDTH/4, -HEIGHT/4, WIDTH, HEIGHT);
68 cairo_set_source_rgb (cr, 0., 1., 0);
69 cairo_rectangle (cr, WIDTH+WIDTH/4, -HEIGHT/4, -WIDTH, HEIGHT);
71 cairo_set_source_rgb (cr, 0., 0., 1);
72 cairo_rectangle (cr, -WIDTH/4, HEIGHT+HEIGHT/4, WIDTH, -HEIGHT);
74 cairo_set_source_rgb (cr, 1., 1., 0);
75 cairo_rectangle (cr, WIDTH+WIDTH/4, HEIGHT+HEIGHT/4, -WIDTH, -HEIGHT);
78 return CAIRO_TEST_SUCCESS;
81 CAIRO_TEST (leaky_dashed_rectangle,
82 "Exercises bug in which a dashed stroke leaks in from outside the surface",
83 "dash, stroke", /* keywords */
84 NULL, /* requirements */