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/*
* Copyright © 2006 Red Hat, Inc.
* 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
* 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>
* Chris Wilson <chris@chris-wilson.co.uk>
*/
#include "cairo-test.h"
#define SIZE 10
#define PAD 4
#define COUNT 4
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
cairo_t *cr2;
int i,j;
/* Fill the background */
cairo_set_source_rgb (cr, 1, 1, 1); /* white */
cairo_paint (cr);
surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SIZE, SIZE);
cr2 = cairo_create (surface);
cairo_surface_destroy (surface);
cairo_set_source_rgb (cr2, 0, 0, 1); /* blue */
cairo_paint (cr2);
cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0);
cairo_destroy (cr2);
for (i = 0; i < COUNT; i++) {
for (j = 0; j < COUNT; j++) {
cairo_surface_set_device_offset (surface,
-i*(SIZE+PAD+.5)-PAD,
-j*(SIZE+PAD+.5)-PAD);
cairo_paint (cr);
}
}
return CAIRO_TEST_SUCCESS;
}
CAIRO_TEST (device_offset_fractional,
"Test using image surfaces with fractional device-offsets as sources.",
"device-offset", /* keywords */
NULL, /* requirements */
COUNT*(SIZE+PAD+.5)+PAD, COUNT*(SIZE+PAD+.5)+PAD,
NULL, draw)
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