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/*
* Copyright © 2010 Intel Corporation
*
* 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
* Intel Corporation not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Intel Corporation makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL INTEL CORPORATION 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: Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-test.h"
/*
* Jeff Muizelaar found a bug on Quartz with cairo-surface-clipper, which was
* the topmost clip path from two different contexts and finding them equally
* incorrectly concluding that the operation was a no-op.
*/
#define SIZE 10
#define CLIP_SIZE 2
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_t *cr2;
/* opaque background */
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_paint (cr);
/* first create an empty, non-overlappiny clip */
cr2 = cairo_create (cairo_get_target (cr));
cairo_rectangle (cr2, 0, 0, SIZE/2-2, SIZE/2-2);
cairo_clip (cr2);
cairo_rectangle (cr2, SIZE/2+2, SIZE/2+2, SIZE/2-2, SIZE/2-2);
cairo_clip (cr2);
/* and apply the clip onto the surface, empty nothing should be painted */
cairo_set_source_rgba (cr2, 1, 0, 0, .5);
cairo_paint (cr2);
/* switch back to the original, and set only the last clip */
cairo_rectangle (cr, SIZE/2+2, SIZE/2+2, SIZE/2-2, SIZE/2-2);
cairo_clip (cr);
cairo_set_source_rgba (cr, 0, 0, 1, .5);
cairo_paint (cr);
cairo_destroy (cr2);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (clip_contexts,
"Test clipping with 2 separate contexts",
"clip", /* keywords */
NULL, /* requirements */
SIZE, SIZE,
NULL, draw)
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