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75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Intel Corporation not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Intel Corporation makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* INTEL CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Chris Wilson <chris@chris-wilson.co.uk>
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*/
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#include "cairo-test.h"
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/*
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* Jeff Muizelaar found a bug on Quartz with cairo-surface-clipper, which was
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* the topmost clip path from two different contexts and finding them equally
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* incorrectly concluding that the operation was a no-op.
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*/
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#define SIZE 10
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#define CLIP_SIZE 2
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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cairo_t *cr2;
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/* opaque background */
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_paint (cr);
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/* first create an empty, non-overlappiny clip */
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cr2 = cairo_create (cairo_get_target (cr));
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cairo_rectangle (cr2, 0, 0, SIZE/2-2, SIZE/2-2);
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cairo_clip (cr2);
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cairo_rectangle (cr2, SIZE/2+2, SIZE/2+2, SIZE/2-2, SIZE/2-2);
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cairo_clip (cr2);
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/* and apply the clip onto the surface, empty nothing should be painted */
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cairo_set_source_rgba (cr2, 1, 0, 0, .5);
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cairo_paint (cr2);
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/* switch back to the original, and set only the last clip */
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cairo_rectangle (cr, SIZE/2+2, SIZE/2+2, SIZE/2-2, SIZE/2-2);
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cairo_clip (cr);
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cairo_set_source_rgba (cr, 0, 0, 1, .5);
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cairo_paint (cr);
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cairo_destroy (cr2);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (clip_contexts,
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"Test clipping with 2 separate contexts",
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"clip", /* keywords */
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NULL, /* requirements */
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SIZE, SIZE,
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NULL, draw)
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