mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-09 11:20:56 +00:00
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
/* ScummVM - Scumm Interpreter
|
|
* Copyright (C) 2001/2002 The ScummVM project
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
* $Header$
|
|
*
|
|
*/
|
|
|
|
#ifndef CODEC_47_H
|
|
#define CODEC_47_H
|
|
|
|
#include "config.h"
|
|
|
|
#include "decoder.h"
|
|
|
|
class Codec47Decoder : public Decoder {
|
|
private:
|
|
int32 _deltaSize;
|
|
byte *_deltaBufs[2];
|
|
byte *_deltaBuf;
|
|
byte *_curBuf;
|
|
int32 _prevSeqNb;
|
|
int32 _lastTableWidth;
|
|
byte *_d_src, *_paramPtr;
|
|
int32 _d_pitch;
|
|
int32 _offset1, _offset2;
|
|
byte _tableBig[99328];
|
|
byte _tableSmall[32768];
|
|
int16 _table[256];
|
|
|
|
void makeTables47(int32 width);
|
|
void makeTables37(int32 param);
|
|
void bompDecode(byte *dst, byte *src, int32 len);
|
|
void level1(byte *d_dst);
|
|
void level2(byte *d_dst);
|
|
void level3(byte *d_dst);
|
|
void decode2(byte *dst, byte *src, int32 width, int32 height, byte *param_ptr);
|
|
|
|
public:
|
|
Codec47Decoder();
|
|
virtual ~Codec47Decoder();
|
|
bool initSize(const Point &, const Rect &);
|
|
void clean();
|
|
bool decode(Blitter &, Chunk &);
|
|
};
|
|
|
|
#endif
|