mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2025-12-20 22:10:13 +01:00
Clean up the test to not even check the ps backend as per: http://lists.freedesktop.org/archives/cairo/2006-December/008806.html
85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/*
|
|
* Copyright © 2006 M Joonas Pihlaja
|
|
*
|
|
* 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: M Joonas Pihlaja <jpihlaja@cc.helsinki.fi>
|
|
*/
|
|
|
|
/* Bug history
|
|
*
|
|
* 2006-12-05 M Joonas Pihlaja <jpihlaja@cc.helsinki.fi>
|
|
*
|
|
* There's currently a regression bug in the tessellation code from
|
|
* switching to the "new tessellator". The bug is caused by
|
|
* confusion in the comparator used to order events when there are
|
|
* degenerate edges.
|
|
*/
|
|
|
|
#include "cairo-test.h"
|
|
|
|
static cairo_test_draw_function_t draw;
|
|
|
|
cairo_test_t test = {
|
|
"fill-degenerate-sort-order",
|
|
"Tests the tessellator's event comparator with degenerate input",
|
|
190, 120,
|
|
draw
|
|
};
|
|
|
|
/* Derived from zrusin's "another" polygon in the performance suite. */
|
|
static cairo_test_status_t
|
|
draw (cairo_t *cr, int width, int height)
|
|
{
|
|
cairo_set_source_rgb (cr, 1, 0, 0);
|
|
|
|
/* The polygon uses (43,103) as its "base point". Closed
|
|
* subpaths are simulated by going from the base point to the
|
|
* subpath's first point, doing the subpath, and returning to the
|
|
* base point. The moving to and from the base point causes
|
|
* degenerate edges which shouldn't result in anything visible. */
|
|
cairo_move_to (cr, 43, 103);
|
|
|
|
/* First subpath. */
|
|
cairo_line_to (cr, 91, 101);
|
|
cairo_line_to (cr, 0, 112);
|
|
cairo_line_to (cr, 60, 0);
|
|
cairo_line_to (cr, 91, 101);
|
|
|
|
cairo_line_to (cr, 43, 103);
|
|
|
|
/* Second subpath. */
|
|
cairo_line_to (cr, 176, 110);
|
|
cairo_line_to (cr, 116, 100);
|
|
cairo_line_to (cr, 176, 0);
|
|
cairo_line_to (cr, 176, 110);
|
|
|
|
cairo_close_path (cr);
|
|
cairo_fill (cr);
|
|
|
|
return CAIRO_TEST_SUCCESS;
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
return cairo_test (&test);
|
|
}
|