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/*
* Copyright © 2007 Keith Packard
*
* This library is free software; you can redistribute it and/or
* modify it either under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation
* (the "LGPL") or, at your option, under the terms of the Mozilla
* Public License Version 1.1 (the "MPL"). If you do not alter this
* notice, a recipient may use your version of this file under either
* the MPL or the LGPL.
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING-LGPL-2.1; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* You should have received a copy of the MPL along with this library
* in the file COPYING-MPL-1.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
* OF ANY KIND, either express or implied. See the LGPL or the MPL for
* the specific language governing rights and limitations.
*
* The Original Code is the cairo graphics library.
*
* The Initial Developer of the Original Code is Keith Packard
*
* Contributor(s):
* Keith Packard <keithp@keithp.com>
*/
#include "cairo-test.h"
static cairo_test_draw_function_t draw;
static const cairo_test_t test = {
"miter-precision",
"test how cairo deals with small miters"
"\ncurrent code draws inappropriate bevels at times",
120, 100,
draw
};
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
double xscale, yscale;
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_set_miter_limit (cr, 100000);
for (xscale = 1; xscale <= 1000; xscale += 999)
for (yscale = 1; yscale <= 1000; yscale += 999)
{
double max_scale = xscale > yscale ? xscale : yscale;
cairo_save (cr);
if (xscale > 1)
cairo_translate (cr, 50, 0);
if (yscale > 1)
cairo_translate (cr, 0, 50);
cairo_scale (cr, xscale, yscale);
cairo_set_line_width (cr, 10.0 / max_scale);
cairo_move_to (cr, 10.0 / xscale, 10.0 / yscale);
cairo_line_to (cr, 40.0 / xscale, 10.0 / yscale);
cairo_line_to (cr, 10.0 / xscale, 30.0 / yscale);
cairo_stroke (cr);
cairo_restore (cr);
}
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test);
}
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