mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2025-12-20 22:10:13 +01:00
67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
|
/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
|
||
|
|
/*
|
||
|
|
* Copyright 2011 Red Hat Inc.
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person
|
||
|
|
* obtaining a copy of this software and associated documentation
|
||
|
|
* files (the "Software"), to deal in the Software without
|
||
|
|
* restriction, including without limitation the rights to use, copy,
|
||
|
|
* modify, merge, publish, distribute, sublicense, and/or sell copies
|
||
|
|
* of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be
|
||
|
|
* included in all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
|
* SOFTWARE.
|
||
|
|
*
|
||
|
|
* Author: Benjamin Otte <otte@redhat.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Test case taken from the WebKit test suite, failure originally reported
|
||
|
|
* by Zan Dobersek <zandobersek@gmail.com> at
|
||
|
|
* https://bugs.webkit.org/show_bug.cgi?id=54471
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "cairo-test.h"
|
||
|
|
|
||
|
|
#include <math.h>
|
||
|
|
|
||
|
|
#define RADIUS 50
|
||
|
|
|
||
|
|
static cairo_test_status_t
|
||
|
|
draw (cairo_t *cr, int width, int height)
|
||
|
|
{
|
||
|
|
/* fill with green so RGB and RGBA tests can share the ref image */
|
||
|
|
cairo_set_source_rgb (cr, 0, 1, 0);
|
||
|
|
cairo_paint (cr);
|
||
|
|
|
||
|
|
/* red to see eventual bugs immediately */
|
||
|
|
cairo_set_source_rgb (cr, 1, 0, 0);
|
||
|
|
|
||
|
|
/* stroke 3/4 of a circle where the last quarter would be this
|
||
|
|
* reference image. Keep just a 1 pixel border. Use a huge line
|
||
|
|
* width (twice the circle's radius to get it filled completely).
|
||
|
|
*/
|
||
|
|
cairo_set_line_width (cr, 2 * RADIUS);
|
||
|
|
cairo_arc (cr, 1, RADIUS - 1, RADIUS, 0, - M_PI / 2.0);
|
||
|
|
cairo_stroke (cr);
|
||
|
|
|
||
|
|
return CAIRO_TEST_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
CAIRO_TEST (line_width_tolerance,
|
||
|
|
"Test interaction of line width and tolerance when stroking arcs",
|
||
|
|
"stroke", /* keywords */
|
||
|
|
NULL, /* requirements */
|
||
|
|
RADIUS, RADIUS,
|
||
|
|
NULL, draw)
|