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/*
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 * Copyright 2009 Benjamin Otte
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 *
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 * Permission is hereby granted, free of charge, to any person
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 * obtaining a copy of this software and associated documentation
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 * files (the "Software"), to deal in the Software without
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 * restriction, including without limitation the rights to use, copy,
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 * modify, merge, publish, distribute, sublicense, and/or sell copies
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 * of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be
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 * included in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 *
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 * Author: Benjamin Otte <otte@gnome.org>
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 */
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#include "cairo-test.h"

            

        

            

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#define WIDTH 50

            

        

            

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#define HEIGHT 50

            

        

            

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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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    /* Neutral gray background */

            

        

            

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    cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);

            

        

            

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    cairo_paint (cr);

            

        

            

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    /* remove this clip operation and everything works */

            

        

            

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    cairo_rectangle (cr, 10, 10, 30, 30);

            

        

            

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    cairo_clip (cr);

            

        

            

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    /* remove this no-op and everything works */

            

        

            

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    cairo_stroke (cr);

            

        

            

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    /* make the y coordinates integers and everything works */

            

        

            

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    cairo_move_to (cr, 20, 20.101562);

            

        

            

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    cairo_line_to (cr, 30, 20.101562);

            

        

            

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    /* This clip operation should fail to work. But with cairo 1.9, if all the 

            

        

            

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     * 3 cases above happen, the clip will not work and the paint will happen.

            

        

            

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     */

            

        

            

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    cairo_save (cr); {

            

        

            

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	cairo_set_source_rgba (cr, 1, 0.5, 0.5, 1);

            

        

            

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	cairo_clip_preserve (cr);

            

        

            

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	cairo_paint (cr);

            

        

            

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    } cairo_restore (cr);

            

        

            

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    return CAIRO_TEST_SUCCESS;

            

        

            

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}

            

        

            

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CAIRO_TEST (clip_stroke_no_op,

            

        

            

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	    "Exercises a bug found by Benjamin Otte whereby a no-op clip is nullified by a stroke",

            

        

            

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	    "clip, stroke", /* keywords */

            

        

            

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	    NULL, /* requirements */

            

        

            

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	    WIDTH, HEIGHT,

            

        

            

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	    NULL, draw)