scummvm/engines/groovie/lzss.h
2021-12-26 18:48:43 +01:00

43 lines
1.3 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/stream.h"
namespace Groovie {
class LzssReadStream : public Common::ReadStream {
private:
uint8 *_outLzssBufData;
uint32 _size;
uint32 _pos;
uint32 decodeLZSS(Common::ReadStream *in, uint8 lengthmask, uint8 lengthbits);
public:
LzssReadStream(Common::ReadStream *indata, uint8 lengthmask, uint8 lengthbits);
~LzssReadStream() override;
bool eos() const override;
uint32 read(void *buf, uint32 size) override;
};
} // End of Groovie namespace