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/*
* Copyright © 2008 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>
*
* Based on an original test case by M Joonas Pihlaja.
*/
#include "cairo-test.h"
#ifndef ARRAY_LENGTH
#define ARRAY_LENGTH(A) (int) (sizeof (A) / sizeof ((A)[0]))
#endif
#define PAD 5
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const double dashes[] = { 25, 25 };
cairo_line_join_t joins[] = {
CAIRO_LINE_JOIN_ROUND,
CAIRO_LINE_JOIN_MITER,
CAIRO_LINE_JOIN_BEVEL
};
cairo_line_cap_t caps[] = {
CAIRO_LINE_CAP_ROUND,
CAIRO_LINE_CAP_SQUARE,
CAIRO_LINE_CAP_BUTT,
};
int i, j;
cairo_set_source_rgb (cr, 1,1,1);
cairo_paint (cr);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_set_dash (cr, dashes, 2, 0.);
cairo_set_line_width (cr, 10);
cairo_translate (cr, 5 + PAD, 5 + PAD);
for (i = 0; i < ARRAY_LENGTH (joins); i++) {
cairo_set_line_join (cr, joins[i]);
cairo_save (cr);
for (j = 0; j < ARRAY_LENGTH (caps); j++) {
cairo_set_line_cap (cr, caps[j]);
cairo_move_to (cr, 0, 0);
cairo_line_to (cr, 50, 0);
cairo_line_to (cr, 50,50);
cairo_stroke (cr);
cairo_translate (cr, 75, 0);
}
cairo_restore (cr);
cairo_translate (cr, 0, 75);
}
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (degenerate_dash,
"Tests the behaviour of dashed segments that end on a off-on transition",
"dash, degenerate", /* keywords */
NULL, /* requirementts */
210 + 2*PAD, 210 + 2*PAD,
NULL, draw)
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