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/*
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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)