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1897156d96
Exercises a bug found in the special case rectangular tessellator with colinear eo edges.
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/*
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* Copyright 2010 Red Hat
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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 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 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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* RED HAT 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 RED HAT 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: Benjamin Otte <otte@gnome.com>
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*/
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#include "cairo-test.h"
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static void
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rect (cairo_t *cr, int x1, int y1, int x2, int y2)
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{
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cairo_rectangle (cr, x1, y1, x2 - x1, y2 - y1);
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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, 1, 1);
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cairo_paint (cr);
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
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cairo_scale (cr, 1./256, 1./256);
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rect (cr, 0, 0, 29696, 7680);
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rect (cr, 0, 0, -15360, 15360);
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cairo_clip (cr);
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cairo_set_source_rgb (cr, 1, 0.5, 0);
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cairo_paint (cr);
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rect (cr, 9984, 0, 2969, 3840);
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rect (cr, 0, 3840, 9472, 7680);
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cairo_clip (cr);
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rect (cr, 0, 3840, 3584, 7680);
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cairo_set_source_rgb (cr, 1, 0, 0.5);
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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 (bug_bo_rectangular,
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"Tests a bug found by Benjamin Otte in the rectangular tessellator",
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"tessellator", /* keywords */
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NULL, /* requirements */
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300, 300,
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NULL, draw)
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