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/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
/*
* Copyright 2011 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>
*/
/*
* This test case aims to reproduce the misbehaviour exhibited in
* https://bugs.launchpad.net/ubuntu/+source/cairo/+bug/710072
* i.e. out of bounds rendering with the rectangular span compositor.
*/
#include "cairo-test.h"
static cairo_test_status_t
draw_aligned (cairo_t *cr, int width, int height)
{
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_rectangle (cr, -10, -10, 20, 20);
cairo_rectangle (cr, 5, 5, 20, 20);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_fill_preserve (cr);
cairo_set_source_rgba (cr, 1, 0, 0, .5);
cairo_stroke (cr);
return CAIRO_TEST_SUCCESS;
}
static cairo_test_status_t
draw_unaligned (cairo_t *cr, int width, int height)
{
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_rectangle (cr, -10.5, -10.5, 20, 20);
cairo_rectangle (cr, 5.5, 5.5, 20, 20);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_fill_preserve (cr);
cairo_set_source_rgba (cr, 1, 0, 0, .5);
cairo_stroke (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (image_bug_710072_aligned,
"Tests a bug where we may compute spans greater than bounded extents",
"extents, fill, stroke", /* keywords */
NULL, /* requirements */
15, 15,
NULL, draw_aligned)
CAIRO_TEST (image_bug_710072_unaligned,
"Tests a bug where we may compute spans greater than bounded extents",
"extents, fill, stroke", /* keywords */
NULL, /* requirements */
15, 15,
NULL, draw_unaligned)
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