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koffice/filters/chalk/tiff/kis_tiff_ycbcr_reader.h

74 lines
2.8 KiB

/*
* Copyright (c) 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 _KIS_TIFF_YCBCR_READER_H_
#define _KIS_TIFF_YCBCR_READER_H_
#include "kis_tiff_reader.h"
namespace KisTIFFYCbCr {
enum Position {
POSITION_CENTERED = 1,
POSITION_COSITED = 2
};
}
class KisTIFFYCbCrReaderTarget8Bit : public KisTIFFReaderBase {
public:
/**
* @param hsub horizontal subsampling of Cb and Cr
* @param hsub vertical subsampling of Cb and Cr
*/
KisTIFFYCbCrReaderTarget8Bit( KisPaintDeviceSP device, TQ_UINT8* poses, int8 alphapos, uint8 sourceDepth, uint8 nbcolorssamples, uint8 extrasamplescount, cmsHTRANSFORM transformProfile, KisTIFFPostProcessor* postprocessor, uint16 hsub, uint16 vsub, KisTIFFYCbCr::Position position );
~KisTIFFYCbCrReaderTarget8Bit();
virtual uint copyDataToChannels( TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream);
virtual void finalize();
private:
TQ_UINT8* m_bufferCb;
TQ_UINT8* m_bufferCr;
TQ_UINT32 m_bufferWidth, m_bufferHeight;
uint16 m_hsub;
uint16 m_vsub;
KisTIFFYCbCr::Position m_position;
};
class KisTIFFYCbCrReaderTarget16Bit : public KisTIFFReaderBase {
public:
/**
* @param hsub horizontal subsampling of Cb and Cr
* @param hsub vertical subsampling of Cb and Cr
*/
KisTIFFYCbCrReaderTarget16Bit( KisPaintDeviceSP device, TQ_UINT8* poses, int8 alphapos, uint8 sourceDepth, uint8 nbcolorssamples, uint8 extrasamplescount, cmsHTRANSFORM transformProfile, KisTIFFPostProcessor* postprocessor, uint16 hsub, uint16 vsub, KisTIFFYCbCr::Position position );
~KisTIFFYCbCrReaderTarget16Bit();
virtual uint copyDataToChannels( TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream);
virtual void finalize();
private:
TQ_UINT16* m_bufferCb;
TQ_UINT16* m_bufferCr;
TQ_UINT32 m_bufferWidth, m_bufferHeight;
uint16 m_hsub;
uint16 m_vsub;
KisTIFFYCbCr::Position m_position;
};
#endif