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/*
* Copyright © 2007 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: Carl Worth <cworth@cworth.org>
*/
#include "cairo-test.h"
/* This is a test case for the following bug:
*
* Crash in cairo_stroke_extents whe line width is 0 and line cap is ROUND
* (_cairo_pen_find_active_cw_vertex_index)
* https://bugs.freedesktop.org/show_bug.cgi?id=10231
*/
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
double x1, y1, x2, y2;
cairo_move_to (cr, 0.0, 0.0);
cairo_line_to (cr, 100.0, 100.0);
cairo_set_line_width (cr, 0.0);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER);
cairo_stroke_extents (cr, &x1, &y1, &x2, &y2);
cairo_in_stroke (cr, 50, 50);
cairo_stroke_preserve (cr);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
cairo_stroke_extents (cr, &x1, &y1, &x2, &y2);
cairo_in_stroke (cr, 50, 50);
cairo_stroke_preserve (cr);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL);
cairo_stroke_extents (cr, &x1, &y1, &x2, &y2);
cairo_in_stroke (cr, 50, 50);
cairo_stroke (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (line_width_zero,
"Test all stroke operations and all cap,join styles with line width of zero",
"stroke", /* keywords */
NULL, /* requirements */
0, 0,
NULL, draw)
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