/*
* algo0x11.h (C) 2006-2008, Aurélien Croc (AP²C)
*
* 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; version 2 of the License.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id: algo0x11.h 301 2012-02-29 14:11:09Z tillkamppeter $
*
*/
#ifndef _ALGO0X11_H_
#define _ALGO0X11_H_
#include "algorithm.h"
#include <inttypes.h>
#define COMPRESS_SAMPLE_RATE 0x800
#define TABLE_PTR_SIZE 0x40
#define MAX_UNCOMPRESSED_BYTES 0x80
#define MAX_COMPRESSED_BYTES 0x202
#define MIN_COMPRESSED_BYTES 0x2
#define COMPRESSION_FLAG 0x80
/**
* @brief This class implements the compression algorithm 0x11.
*/
class Algo0x11 : public Algorithm
{
protected:
uint32_t _ptrArray[TABLE_PTR_SIZE];
protected:
static int __compare(const void *n1, const void *n2);
bool _lookupBestOccurs(const unsigned char* data,
unsigned long size);
bool _compress(const unsigned char *data,
unsigned long size,
unsigned char* &output,
unsigned long &outputSize);
public:
Algo0x11();
virtual ~Algo0x11();
public:
virtual BandPlane* compress(const Request& request,
unsigned char *data, unsigned long width,
unsigned long height);
virtual bool reverseLineColumn() {return true;}
virtual bool inverseByte() {return true;}
virtual bool splitIntoBands() {return true;}
};
#endif /* _ALGO0X11_H_ */
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