| /* |
| * Copyright © 2005 Red Hat, Inc. |
| * Copyright © 2006 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_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 |
| }; |
| |
| surface = cairo_image_surface_create_for_data ((unsigned char *) data, |
| CAIRO_FORMAT_RGB24, 4, 4, 16); |
| |
| cairo_test_paint_checkered (cr); |
| |
| cairo_scale (cr, 4, 4); |
| |
| cairo_set_source_surface (cr, surface, 2 , 2); |
| cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST); |
| cairo_paint_with_alpha (cr, 0.5); |
| |
| cairo_surface_finish (surface); /* data will go out of scope */ |
| cairo_surface_destroy (surface); |
| |
| return CAIRO_TEST_SUCCESS; |
| } |
| |
| CAIRO_TEST (paint_with_alpha, |
| "Simple test of cairo_paint_with_alpha", |
| "paint, alpha", /* keywords */ |
| NULL, /* requirements */ |
| 32, 32, |
| NULL, draw) |