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/*
* algo0x0d.h SpliX is Copyright 2006-2008 by Aurélien Croc
* This file is a SpliX derivative work
*
* 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.
*
* $Id$
* --
* This code is written by Leonardo Hamada
*/
#ifndef _ALGO0x0D_H_
#define _ALGO0x0D_H_
#include "algorithm.h"
#include <inttypes.h>
/**
* @brief This class implements the type 0xd encoding.
*/
class Algo0x0D : public Algorithm
{
protected:
inline void writeTwoBytesPacket(
unsigned char * output,
unsigned long & outputSize,
long int accumulatedHorizontalOffsetValue,
long int accumulatedVerticalOffsetValue,
unsigned long accumulatedRunCount );
inline void writeFourBytesPacket(
unsigned char * output,
unsigned long & outputSize,
long int accumulatedHorizontalOffsetValue,
long int accumulatedVerticalOffsetValue,
unsigned long accumulatedRunCount );
inline void writeSixBytesPacket(
unsigned char * output,
unsigned long & outputSize,
long int accumulatedCombinedOffsetValue,
unsigned long accumulatedRunCount );
inline void selectPacketSize(
unsigned char * output,
unsigned long & outputSize,
unsigned long preAccumulatedHorizontalOffsetValue,
unsigned long accumulatedHorizontalOffsetValue,
unsigned long currentHorizontalPenPosition,
unsigned long accumulatedRunCount,
unsigned long consecutiveBlankScanLines,
unsigned long currentVerticalPenPosition,
const unsigned long wrapWidth );
public:
Algo0x0D();
virtual ~Algo0x0D();
public:
virtual BandPlane* compress(const Request& request,
unsigned char *data, unsigned long width,
unsigned long height);
virtual bool reverseLineColumn() {return false;}
virtual bool inverseByte() {return false;}
virtual bool splitIntoBands() {return true;}
};
#endif /* _ALGO0x0D_H_ */
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