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Ley0k 2016-03-27 11:49:47 +02:00
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/*
===========================================================================
Copyright (C) 2015 the OpenMoHAA team
This file is part of OpenMoHAA source code.
OpenMoHAA source code 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.
OpenMoHAA source code 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 OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// lz77.h: LZ77 Compression Algorithm
#ifndef __LZ77_H__
#define __LZ77_H__
class cLZ77 {
static unsigned int m_pDictionary[];
unsigned char *ip;
unsigned char *op;
unsigned char *in_end;
unsigned char *ip_end;
unsigned char *ii;
unsigned char *m_pos;
unsigned int m_off;
unsigned int m_len;
unsigned int dindex;
public:
cLZ77();
int Compress( unsigned char *in, size_t in_len, unsigned char *out, size_t *out_len );
int Decompress( unsigned char *in, size_t in_len, unsigned char *out, size_t *out_len );
private:
unsigned int CompressData( unsigned char *in, size_t in_len, unsigned char *out, size_t *out_len );
};
extern cLZ77 g_lz77;
#endif /* __LZ77_H__ */