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/*
* Copyright 2009 Chris Wilson
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* Chris Wilson not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Chris Wilson makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-test.h"
#define WIDTH 40
#define HEIGHT 40
static void
shapes (cairo_t *cr)
{
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_paint (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_IN);
cairo_set_source_rgb (cr, 0, 0.7, 0);
cairo_arc (cr, 10, 10, 7.5, 0, 2 * M_PI);
cairo_stroke (cr);
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_paint (cr);
cairo_translate (cr, 10, 10);
/* simple clip */
cairo_save (cr);
cairo_rectangle (cr, 0, 0, 20, 20);
cairo_clip (cr);
shapes (cr);
cairo_restore (cr);
cairo_translate (cr, WIDTH, 0);
/* unaligned clip */
cairo_save (cr);
cairo_rectangle (cr, 0.5, 0.5, 20, 20);
cairo_clip (cr);
shapes (cr);
cairo_restore (cr);
cairo_translate (cr, -WIDTH, HEIGHT);
/* aligned-clip */
cairo_save (cr);
cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_rectangle (cr, 0, 0, 20, 20);
cairo_rectangle (cr, 3, 3, 10, 10);
cairo_rectangle (cr, 7, 7, 10, 10);
cairo_clip (cr);
shapes (cr);
cairo_restore (cr);
cairo_translate (cr, WIDTH, 0);
/* force a clip-mask */
cairo_save (cr);
cairo_arc (cr, 10, 10, 10, 0, 2 * M_PI);
cairo_new_sub_path (cr);
cairo_arc_negative (cr, 10, 10, 5, 2 * M_PI, 0);
cairo_new_sub_path (cr);
cairo_arc (cr, 10, 10, 2, 0, 2 * M_PI);
cairo_clip (cr);
shapes (cr);
cairo_restore (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (clip_stroke_unbounded,
"Tests unbounded stroke through complex clips.",
"clip, stroke, unbounded", /* keywords */
NULL, /* requirements */
2 * WIDTH, 2* HEIGHT,
NULL, draw)
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