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/*
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 * Copyright © 2011 Intel Corporation
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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: Chris Wilson <chris@chris-wilson.co.uk>
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 */
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/*

            

        

            

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 * A variation on

            

        

            

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 *

            

        

            

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 * https://bugzilla.mozilla.org/show_bug.cgi?id=668921

            

        

            

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 *

            

        

            

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 * The issue is that we failed to tighten the initial approximated bounds

            

        

            

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 * after tessellating the path.

            

        

            

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 */

            

        

            

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#include "cairo-test.h"

            

        

            

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#define SIZE 60

            

        

            

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static void

            

        

            

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triangle (cairo_t *cr, double x, double y, double h)

            

        

            

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{

            

        

            

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    cairo_move_to (cr, x, y);

            

        

            

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    cairo_line_to (cr, x+h/2, y+h);

            

        

            

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    cairo_line_to (cr, x+h, y);

            

        

            

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    cairo_close_path (cr);

            

        

            

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}

            

        

            

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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_set_source_rgb (cr, 1, 0, 1);

            

        

            

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    cairo_paint (cr);

            

        

            

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    /* Set an unbounded operator so that we can see how accurate the bounded

            

        

            

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     * extents were.

            

        

            

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     */

            

        

            

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    cairo_set_operator (cr, CAIRO_OPERATOR_IN);

            

        

            

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    cairo_set_source_rgb (cr, 1, 1, 1);

            

        

            

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    /* Wind several triangles together that reduce to nothing */

            

        

            

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    cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);

            

        

            

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    triangle (cr, 0, 0, SIZE);

            

        

            

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    triangle (cr, 0, 0, SIZE);

            

        

            

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    cairo_fill (cr);

            

        

            

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    return CAIRO_TEST_SUCCESS;

            

        

            

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}

            

        

            

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CAIRO_TEST (big_empty_triangle,

            

        

            

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	    "Tests that we tighten the bounds after tessellation.",

            

        

            

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	    "fill", /* keywords */

            

        

            

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	    NULL, /* requirements */

            

        

            

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	    SIZE, SIZE,

            

        

            

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	    NULL, draw)