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/* 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/>.
*
*/
#ifndef QDENGINE_QDCORE_UTIL_LZ77_H
#define QDENGINE_QDCORE_UTIL_LZ77_H
namespace QDEngine {
class CLZ77 {
private:
int32 lzComp(const byte *s1, const byte *s2, int32 maxlen);
const byte *findLZ(const byte *source, const byte *s, int32 slen, int32 border, int32 mlen, int32 &len);
public:
CLZ77();
virtual ~CLZ77();
void encode(byte *target, int32 &tlen, const byte *source, int32 slen);
int32 decode(byte *target, int32 &tlen, const byte *source, int32 slen);
int32 getMaxEncoded(int32 len);
int32 getMaxDecoded(byte *source);
// virtual void OnStep() = 0;
};
} // namespace QDEngine
#endif // QDENGINE_QDCORE_UTIL_LZ77_H
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