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122 lines
4.8 KiB
122 lines
4.8 KiB
/*
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* Copyright (c) 2005-2006 Cyrille Berger <cberger@cberger.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "kis_tiff_reader.h"
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#include <kdebug.h>
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#include <kis_iterators_pixel.h>
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#include <kis_paint_device.h>
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#include "kis_tiff_stream.h"
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uint KisTIFFReaderTarget8bit::copyDataToChannels( TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream)
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{
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KisHLineIterator it = paintDevice() -> createHLineIterator(x, y, dataWidth, true);
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double coeff = TQ_UINT8_MAX / (double)( pow(2, sourceDepth() ) - 1 );
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// kdDebug(41008) << " depth expension coefficient : " << coeff << endl;
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while (!it.isDone()) {
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TQ_UINT8 *d = it.rawData();
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TQ_UINT8 i;
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for(i = 0; i < nbColorsSamples() ; i++)
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{
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d[poses()[i]] = (TQ_UINT8)( tiffstream->nextValue() * coeff );
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}
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postProcessor()->postProcess8bit( d);
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if(transform()) cmsDoTransform(transform(), d, d, 1);
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d[poses()[i]] = TQ_UINT8_MAX;
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for(int k = 0; k < nbExtraSamples(); k++)
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{
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if(k == alphaPos())
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d[poses()[i]] = (TQ_UINT32) ( tiffstream->nextValue() * coeff );
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else
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tiffstream->nextValue();
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}
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++it;
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}
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return 1;
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}
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uint KisTIFFReaderTarget16bit::copyDataToChannels( TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream)
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{
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KisHLineIterator it = paintDevice() -> createHLineIterator(x, y, dataWidth, true);
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double coeff = TQ_UINT16_MAX / (double)( pow(2, sourceDepth() ) - 1 );
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// kdDebug(41008) << " depth expension coefficient : " << coeff << endl;
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while (!it.isDone()) {
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TQ_UINT16 *d = reinterpret_cast<TQ_UINT16 *>(it.rawData());
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TQ_UINT8 i;
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for(i = 0; i < nbColorsSamples(); i++)
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{
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d[poses()[i]] = (TQ_UINT16)( tiffstream->nextValue() * coeff );
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}
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postProcessor()->postProcess16bit( d);
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if(transform()) cmsDoTransform(transform(), d, d, 1);
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d[poses()[i]] = TQ_UINT16_MAX;
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for(int k = 0; k < nbExtraSamples(); k++)
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{
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if(k == alphaPos())
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d[poses()[i]] = (TQ_UINT16) ( tiffstream->nextValue() * coeff );
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else
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tiffstream->nextValue();
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}
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++it;
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}
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return 1;
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}
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uint KisTIFFReaderTarget32bit::copyDataToChannels( TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream)
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{
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KisHLineIterator it = paintDevice() -> createHLineIterator(x, y, dataWidth, true);
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double coeff = TQ_UINT32_MAX / (double)( pow(2, sourceDepth() ) - 1 );
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// kdDebug(41008) << " depth expension coefficient : " << coeff << endl;
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while (!it.isDone()) {
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TQ_UINT32 *d = reinterpret_cast<TQ_UINT32 *>(it.rawData());
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TQ_UINT8 i;
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for(i = 0; i < nbColorsSamples(); i++)
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{
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d[poses()[i]] = (TQ_UINT32)( tiffstream->nextValue() * coeff );
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}
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postProcessor()->postProcess32bit( d);
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if(transform()) cmsDoTransform(transform(), d, d, 1);
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d[poses()[i]] = TQ_UINT32_MAX;
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for(int k = 0; k < nbExtraSamples(); k++)
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{
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if(k == alphaPos())
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d[poses()[i]] = (TQ_UINT32) ( tiffstream->nextValue() * coeff );
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else
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tiffstream->nextValue();
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}
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++it;
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}
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return 1;
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}
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uint KisTIFFReaderFromPalette::copyDataToChannels(TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream)
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{
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KisHLineIterator it = paintDevice() -> createHLineIterator(x, y, dataWidth, true);
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while (!it.isDone()) {
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TQ_UINT16* d = reinterpret_cast<TQ_UINT16 *>(it.rawData());
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uint32 index = tiffstream->nextValue();
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d[2] = m_red[index];
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d[1] = m_green[index];
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d[0] = m_blue[index];
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d[3] = TQ_UINT16_MAX;
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++it;
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}
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return 1;
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}
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