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/*
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 * Copyright © 2011 Krzysztof Kosiński
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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: Krzysztof Kosiński <tweenk.pl@gmail.com>
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 */
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#include "cairo-test.h"
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#define WIDTH	800
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#define HEIGHT	800
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static cairo_test_status_t
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3
draw (cairo_t *cr, int width, int height)
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{
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3
    double lw = 800;
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3
    int n = 0;
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3
    cairo_set_source_rgb (cr, 1,1,1);
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3
    cairo_paint (cr);
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3
    cairo_set_source_rgba (cr, 0, 0, 0, .4);
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3
    cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
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    do {
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234
	cairo_set_line_width(cr, lw);
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	cairo_arc(cr, WIDTH/2, HEIGHT/2, lw/2,
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		  2*M_PI*(13*n + 1) / 130, 2*M_PI*(13*n + 12) / 130);
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	cairo_stroke(cr);
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	n++;
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	lw /= 1.1;
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    } while (lw > 0.5);
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3
    return CAIRO_TEST_SUCCESS;
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}
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1
CAIRO_TEST (bug_84115,
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	    "Exercises a bug found in stroke generation using trapezoids",
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	    "stroke", /* keywords */
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	    NULL, /* requirements */
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	    WIDTH, HEIGHT,
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	    NULL, draw)