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/*
* Copyright © 2008 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: Soren Sandmann <sandmann@redhat.com>
*/
#include "cairo-test.h"
#define WIDTH 300
#define HEIGHT 300
typedef struct {
double x, y;
} point_t;
static void
paint_curve (cairo_t *cr)
{
const point_t points[] = {
{ 100, 320 }, { 110, -80 },
{ 180, 60 }, { 300, 170 },
{ 300, -40 }
};
unsigned i;
cairo_set_line_width (cr, 2);
cairo_move_to (cr, points[0].x, points[0].y);
for (i = 1; i < ARRAY_LENGTH (points) - 2; i += 3) {
cairo_curve_to (cr,
points[i].x, points[i].y,
points[i + 1].x, points[i + 1].y,
points[i + 2].x, points[i + 2].y);
}
cairo_set_line_width (cr, 5);
cairo_stroke (cr);
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
/* Fill window with light blue */
cairo_set_source_rgba (cr, 0.8, 0.8, 1.9, 1.0);
cairo_paint (cr);
/* Paint curve in green */
cairo_set_source_rgba (cr, 0.6, 0.8, 0.6, 1.0);
paint_curve (cr);
/* Make clip region */
cairo_rectangle (cr, 228, 131, 50, 13);
cairo_rectangle (cr, 20, 99, 200, 75);
cairo_clip_preserve (cr);
/* Fill clip region with red */
cairo_set_source_rgba (cr, 1.0, 0.5, 0.5, 0.8);
cairo_fill (cr);
/* Paint curve again, this time in blue */
cairo_set_source_rgba (cr, 0, 0, 1.0, 1.0);
paint_curve (cr);
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (clip_disjoint,
"Tests stroking through two disjoint clips.",
"clip, stroke", /* keywords */
NULL, /* requirements */
WIDTH, HEIGHT,
NULL, draw)