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/*
* Copyright © 2007 Jeff Smith
*
* 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
* Jeff Smith not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Jeff Smith makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* JEFF SMITH DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL JEFF SMITH 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: Jeff Smith <whydoubt@yahoo.com>
*/
#include "cairo-test.h"
static cairo_test_draw_function_t draw;
cairo_test_t test = {
"dash-curve",
"Tries to explore the state space of the dashing code along curves",
25*60, 4*60,
draw
};
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
double dashes[2] = {20, 20};
int a=0, b=0, c=0;
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_paint (cr);
for (a=0; a<4; a++)
for (b=0; b<5; b++)
for (c=0; c<5; c++) {
cairo_move_to (cr, ((b*5)+c)*60+10, a*60+10);
cairo_rel_curve_to (cr,
0, b*10,
0, b*10,
c*10, b*10);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_set_line_width (cr, 8);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
cairo_set_dash (cr, dashes, 2, a*10);
cairo_stroke_preserve (cr);
cairo_set_source_rgb (cr, 0, 0.5, 1);
cairo_set_line_width (cr, 2);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
cairo_set_dash (cr, 0, 0, 0);
cairo_stroke (cr);
}
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test);
}
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