blob: b686b6e0e77b70422937ebc0768a74e2b2dfd149 [file] [log] [blame]
/*
* Copyright 2009 Benjamin Otte
*
* 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@gnome.org>
*/
#include "cairo-test.h"
#define WIDTH 50
#define HEIGHT 50
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
/* Neutral gray background */
cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);
cairo_paint (cr);
/* remove this clip operation and everything works */
cairo_rectangle (cr, 10, 10, 30, 30);
cairo_clip (cr);
/* remove this no-op and everything works */
cairo_fill (cr);
/* make the y coordinates integers and everything works */
cairo_move_to (cr, 20, 20.101562);
cairo_line_to (cr, 30, 20.101562);
/* This clip operation should fail to work. But with cairo 1.9, if all the
* 3 cases above happen, the clip will not work and the paint will happen.
*/
cairo_save (cr); {
cairo_set_source_rgba (cr, 1, 0.5, 0.5, 1);
cairo_clip_preserve (cr);
cairo_paint (cr);
} cairo_restore (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (clip_fill_no_op,
"Exercises a bug found by Benjamin Otte whereby a no-op clip is nullified by a stroke",
"clip, fill", /* keywords */
NULL, /* requirements */
WIDTH, HEIGHT,
NULL, draw)