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>
25 * Based on an original test case by M Joonas Pihlaja.
28 #include "cairo-test.h"
32 static cairo_test_status_t
33 draw (cairo_t *cr, int width, int height)
35 const double dashes[] = { 25, 25 };
36 cairo_line_join_t joins[] = {
37 CAIRO_LINE_JOIN_ROUND,
38 CAIRO_LINE_JOIN_MITER,
41 cairo_line_cap_t caps[] = {
43 CAIRO_LINE_CAP_SQUARE,
48 cairo_set_source_rgb (cr, 1,1,1);
51 cairo_set_source_rgb (cr, 1, 0, 0);
53 cairo_set_dash (cr, dashes, 2, 0.);
54 cairo_set_line_width (cr, 10);
56 cairo_translate (cr, 5 + PAD, 5 + PAD);
58 for (i = 0; i < ARRAY_LENGTH (joins); i++) {
59 cairo_set_line_join (cr, joins[i]);
62 for (j = 0; j < ARRAY_LENGTH (caps); j++) {
63 cairo_set_line_cap (cr, caps[j]);
65 cairo_move_to (cr, 0, 0);
66 cairo_line_to (cr, 50, 0);
67 cairo_line_to (cr, 50,50);
70 cairo_translate (cr, 75, 0);
74 cairo_translate (cr, 0, 75);
77 return CAIRO_TEST_SUCCESS;
80 CAIRO_TEST (degenerate_dash,
81 "Tests the behaviour of dashed segments that end on a off-on transition",
82 "dash, degenerate", /* keywords */
83 NULL, /* requirementts */
84 210 + 2*PAD, 210 + 2*PAD,