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/*
* Copyright © 2005 Bertram Felgenhauer
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* the author not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. The author makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE AUTHOR. BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Bertram Felgenhauer <int-e@gmx.de>
*/
#include "cairo-test.h"
/* Test case for:
*
* https://bugs.freedesktop.org/show_bug.cgi?id=4137
*/
static cairo_test_draw_function_t draw;
static const cairo_test_t test = {
"rectangle-rounding-error",
"This demonstrates (or not) a rounding error that causes a gap between "
"two neighbouring rectangles.",
76, 76,
draw
};
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_translate(cr, -300, -300);
cairo_scale(cr, 677.0/26, 677.0/26);
cairo_translate(cr, 1, 1);
/* this should draw a seamless 2x2 rectangle */
cairo_rectangle(cr, 11, 11, 1, 1);
cairo_rectangle(cr, 11, 12, 1, 1);
cairo_rectangle(cr, 12, 11, 1, 1);
cairo_rectangle(cr, 12, 12, 1, 1);
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_fill(cr);
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test);
}
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