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/*
* Copyright (c) 2005-2006 Cyrille Berger <cberger@cberger.net>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef TIFFSTREAM_H_
#define TIFFSTREAM_H_
#include <tiffio.h>
class TIFFStreamBase {
public:
TIFFStreamBase( uint16 depth ) : m_depth(depth) {};
virtual uint32 nextValue() =0;
virtual void restart() =0;
virtual void moveToLine(uint32 lineNumber) =0;
protected:
uint16 m_depth;
};
class TIFFStreamContigBase : public TIFFStreamBase {
public:
TIFFStreamContigBase( uint8* src, uint16 depth, uint32 lineSize );
virtual void restart();
virtual void moveToLine(uint32 lineNumber);
protected:
uint8* m_src;
uint8* m_srcit;
uint8 m_posinc;
uint32 m_lineSize;
};
class TIFFStreamContigBelow16 : public TIFFStreamContigBase {
public:
TIFFStreamContigBelow16( uint8* src, uint16 depth, uint32 lineSize ) : TIFFStreamContigBase(src, depth, lineSize) { }
public:
virtual uint32 nextValue();
};
class TIFFStreamContigBelow32 : public TIFFStreamContigBase {
public:
TIFFStreamContigBelow32( uint8* src, uint16 depth, uint32 lineSize ) : TIFFStreamContigBase(src, depth, lineSize) { }
public:
virtual uint32 nextValue();
};
class TIFFStreamContigAbove32 : public TIFFStreamContigBase {
public:
TIFFStreamContigAbove32( uint8* src, uint16 depth, uint32 lineSize ) : TIFFStreamContigBase(src, depth, lineSize) { }
public:
virtual uint32 nextValue();
};
class TIFFStreamSeperate : public TIFFStreamBase {
public:
TIFFStreamSeperate( uint8** srcs, uint8 nb_samples ,uint16 depth, uint32* lineSize);
~TIFFStreamSeperate();
virtual uint32 nextValue();
virtual void restart();
virtual void moveToLine(uint32 lineNumber);
private:
TIFFStreamContigBase** streams;
uint8 m_current_sample, m_nb_samples;
};
#endif
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