/uspace/lib/softrend/compose.h

 1/*
 2 * Copyright (c) 2012 Petr Koupy
 3 * All rights reserved.
 4 *
 5 * Redistribution and use in source and binary forms, with or without
 6 * modification, are permitted provided that the following conditions
 7 * are met:
 8 *
 9 * - Redistributions of source code must retain the above copyright
10 *   notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 *   notice, this list of conditions and the following disclaimer in the
13 *   documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 *   derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup softrend
30 * @{
31 */
32/**
33 * @file
34 */
35
36#ifndef SOFTREND_COMPOSE_H_
37#define SOFTREND_COMPOSE_H_
38
39#include <io/pixel.h>
40
41typedef pixel_t (*compose_t)(pixel_t, pixel_t);
42
43extern pixel_t compose_clr(pixel_t, pixel_t);
44extern pixel_t compose_src(pixel_t, pixel_t);
45extern pixel_t compose_dst(pixel_t, pixel_t);
46
47extern pixel_t compose_over(pixel_t, pixel_t);
48extern pixel_t compose_in(pixel_t, pixel_t);
49extern pixel_t compose_out(pixel_t, pixel_t);
50extern pixel_t compose_atop(pixel_t, pixel_t);
51extern pixel_t compose_xor(pixel_t, pixel_t);
52extern pixel_t compose_add(pixel_t, pixel_t);
53
54#endif
55
56/** @}
57 */