1/*
2    SDL - Simple DirectMedia Layer
3    Copyright (C) 1997-2012 Sam Lantinga
4
5    This library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9
10    This library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Lesser General Public License for more details.
14
15    You should have received a copy of the GNU Lesser General Public
16    License along with this library; if not, write to the Free Software
17    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18
19    Sam Lantinga
20    slouken@libsdl.org
21*/
22#include "SDL_config.h"
23
24#ifndef _ATARI_C2P_h
25#define _ATARI_C2P_h
26
27#include "SDL_stdinc.h"
28
29/*--- Functions pointers ---*/
30
31/* Convert a chunky screen to bitplane screen */
32
33extern void (*SDL_Atari_C2pConvert)(
34	Uint8 *src,			/* Source screen (one byte=one pixel) */
35	Uint8 *dest,		/* Destination (4/8 bits planes) */
36	Uint32 width,		/* Dimensions of screen to convert */
37	Uint32 height,
38	Uint32 dblligne,	/* Double the lines when converting ? */
39	Uint32 srcpitch,	/* Length of one source line in bytes */
40	Uint32 dstpitch		/* Length of one destination line in bytes */
41);
42
43/*--- 8 bits functions ---*/
44
45/* Convert a chunky screen to bitplane screen */
46
47void SDL_Atari_C2pConvert8(
48	Uint8 *src,			/* Source screen (one byte=one pixel) */
49	Uint8 *dest,		/* Destination (8 bits planes) */
50	Uint32 width,		/* Dimensions of screen to convert */
51	Uint32 height,
52	Uint32 dblligne,	/* Double the lines when converting ? */
53	Uint32 srcpitch,	/* Length of one source line in bytes */
54	Uint32 dstpitch		/* Length of one destination line in bytes */
55);
56
57/*--- 4 bits functions ---*/
58
59/* Convert a chunky screen to bitplane screen */
60
61void SDL_Atari_C2pConvert4(
62	Uint8 *src,			/* Source screen (one byte=one pixel) */
63	Uint8 *dest,		/* Destination (4 bits planes) */
64	Uint32 width,		/* Dimensions of screen to convert */
65	Uint32 height,
66	Uint32 dblligne,	/* Double the lines when converting ? */
67	Uint32 srcpitch,	/* Length of one source line in bytes */
68	Uint32 dstpitch		/* Length of one destination line in bytes */
69);
70
71/* Conversion palette */
72
73void SDL_Atari_C2pConvert4_pal(Uint16 *lightpalette);
74
75#endif /* _ATARI_C2P_h */
76