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/*
* Copyright © 2006 Red Hat, Inc.
*
* 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
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org>
*/
#include <stdlib.h>
#include "cairo-test.h"
static cairo_test_draw_function_t draw;
static const cairo_test_t test = {
"close-path",
"Test some corner cases related to cairo_close_path",
32, 16,
draw
};
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_path_t *path;
/* We draw in the default black, so paint white first. */
cairo_save (cr);
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
cairo_paint (cr);
cairo_restore (cr);
/* This curious approach for drawing a circle (starting with a
* closed arc) exercises a bug in which the "last move point" was
* not being set so the close_path closes to (0,0). */
cairo_arc (cr, 8, 8, 4, 0, M_PI);
cairo_close_path (cr);
cairo_arc (cr, 8, 8, 4, M_PI, 2 * M_PI);
cairo_fill (cr);
cairo_translate (cr, 16, 0);
/* Here a curve immediately after a close_to will begin from (0,0)
* when the path is obtained with cairo_copy_path_flat. */
cairo_move_to (cr, 8, 4);
cairo_arc_negative (cr, 8, 8, 4, 3 * M_PI / 2.0, M_PI / 2.0);
cairo_close_path (cr);
cairo_curve_to (cr,
12, 4,
12, 12,
8, 12);
path = cairo_copy_path_flat (cr);
cairo_new_path (cr);
cairo_append_path (cr, path);
cairo_path_destroy (path);
cairo_fill (cr);
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test);
}
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