2 * Copyright © 2005 Red Hat, Inc.
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 * Red Hat, Inc. not be used in advertising or publicity pertaining to
10 * distribution of the software without specific, written prior
11 * permission. Red Hat, Inc. 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 * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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 * Authors: Carl D. Worth <cworth@cworth.org>
24 * Emmanuel Pacaud <emmanuel.pacaud@lapp.in2p3.fr>
27 #include "cairo-test.h"
35 double red, green, blue;
37 { 100.0, 1.0, 0.0, 0.0 },
38 { 10000.0, 0.0, 1.0, 0.0 },
39 { 100000.0, 0.0, 0.0, 1.0 },
40 { 1000000.0, 1.0, 1.0, 0.0 },
41 { 10000000.0, 0.0, 1.0, 1.0 },
42 { 100000000.0, 1.0, 0.0, 1.0 }
45 static cairo_test_status_t
46 draw (cairo_t *cr, int width, int height)
51 /* We draw in the default black, so paint white first. */
53 cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
57 cairo_set_line_width (cr, LINE_WIDTH);
60 for (i = 0; i < LINE_NBR; i++) {
61 cairo_move_to (cr, pos, -lines[i].length);
62 cairo_line_to (cr, pos, +lines[i].length);
63 cairo_set_source_rgb (cr, lines[i].red, lines[i].green, lines[i].blue);
68 /* This should display a perfect vertically centered black line */
69 cairo_move_to (cr, 0.5, -1e100);
70 cairo_line_to (cr, pos, 1e100);
71 cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
74 return CAIRO_TEST_SUCCESS;
77 CAIRO_TEST (long_lines,
79 "\nLong lines are not drawn due to the limitations of the internal 16.16 fixed-point coordinates",
80 "stroke, stress", /* keywords */
81 NULL, /* requirements */
82 SIZE * (LINE_NBR + 1), SIZE * (LINE_NBR + 1),