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/*
* Copyright © 2005,2007 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 "cairo-test.h"
static cairo_test_draw_function_t draw;
static const cairo_test_t test = {
"scale-down-source-surface-paint",
"Test call sequence: cairo_scale; cairo_set_source_surface; cairo_paint, with a scale < 1.0",
6, 6,
draw
};
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
uint32_t data[16] = {
0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000,
0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000,
0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff,
0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff
};
/* First paint opaque background (black) so we don't need separate
* ARGB32 and RGB24 reference images. */
cairo_set_source_rgb (cr, 0, 0, 0); /* black */
cairo_paint (cr);
surface = cairo_image_surface_create_for_data ((unsigned char *) data,
CAIRO_FORMAT_RGB24, 4, 4, 16);
cairo_scale (cr, 0.5, 0.5);
cairo_set_source_surface (cr, surface, 4, 4);
cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
cairo_paint (cr);
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
int
main (void)
{
return cairo_test (&test);
}
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