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/*
* Copyright (c) 2010 Intel Corporation
*
* 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: Chris Wilson <chris@chris-wilson.co.uk>
*/
/* Adapted from a bug report by <cairouser@yahoo.com> */
#include "cairo-test.h"
static const struct xy {
double x;
double y;
} gp[] = {
{ 100, 250 },
{ 100, 100 },
{ 150, 230 },
{ 239, 100 },
{ 239, 250 },
};
static const double vp[3] = { 100, 144, 238.5 };
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
int i;
cairo_paint (cr); /* opaque background */
for (i = 0; i < 5; ++i)
cairo_line_to (cr, gp[i].x, gp[i].y);
cairo_close_path (cr);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_set_line_width (cr, 1.5);
cairo_stroke_preserve (cr);
cairo_clip (cr);
for (i = 1; i < 3; ++i) {
double x1 = vp[i - 1];
double x2 = vp[i];
cairo_move_to (cr, x1, 0);
cairo_line_to (cr, x1, height);
cairo_line_to (cr, x2, height);
cairo_line_to (cr, x2, 0);
cairo_close_path (cr);
if (i & 1)
cairo_set_source_rgb (cr, 0, 1, 0);
else
cairo_set_source_rgb (cr, 1, 1, 0);
cairo_fill (cr);
}
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (clip_shape,
"Test handling of clipping with a non-aligned shape",
"clip", /* keywords */
NULL, /* requirements */
400, 300,
NULL, draw)