diff options
Diffstat (limited to 'filters/chalk/tiff/kis_tiff_reader.cpp')
-rw-r--r-- | filters/chalk/tiff/kis_tiff_reader.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/filters/chalk/tiff/kis_tiff_reader.cpp b/filters/chalk/tiff/kis_tiff_reader.cpp new file mode 100644 index 000000000..f2eabd878 --- /dev/null +++ b/filters/chalk/tiff/kis_tiff_reader.cpp @@ -0,0 +1,121 @@ +/* + * 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. + */ + +#include "kis_tiff_reader.h" + +#include <kdebug.h> + +#include <kis_iterators_pixel.h> +#include <kis_paint_device.h> + +#include "kis_tiff_stream.h" + + uint KisTIFFReaderTarget8bit::copyDataToChannels( TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream) + { + KisHLineIterator it = paintDevice() -> createHLineIterator(x, y, dataWidth, true); + double coeff = TQ_UINT8_MAX / (double)( pow(2, sourceDepth() ) - 1 ); +// kdDebug(41008) << " depth expension coefficient : " << coeff << endl; + while (!it.isDone()) { + TQ_UINT8 *d = it.rawData(); + TQ_UINT8 i; + for(i = 0; i < nbColorsSamples() ; i++) + { + d[poses()[i]] = (TQ_UINT8)( tiffstream->nextValue() * coeff ); + } + postProcessor()->postProcess8bit( d); + if(transform()) cmsDoTransform(transform(), d, d, 1); + d[poses()[i]] = TQ_UINT8_MAX; + for(int k = 0; k < nbExtraSamples(); k++) + { + if(k == alphaPos()) + d[poses()[i]] = (TQ_UINT32) ( tiffstream->nextValue() * coeff ); + else + tiffstream->nextValue(); + } + ++it; + } + return 1; + } + uint KisTIFFReaderTarget16bit::copyDataToChannels( TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream) + { + KisHLineIterator it = paintDevice() -> createHLineIterator(x, y, dataWidth, true); + double coeff = TQ_UINT16_MAX / (double)( pow(2, sourceDepth() ) - 1 ); +// kdDebug(41008) << " depth expension coefficient : " << coeff << endl; + while (!it.isDone()) { + TQ_UINT16 *d = reinterpret_cast<TQ_UINT16 *>(it.rawData()); + TQ_UINT8 i; + for(i = 0; i < nbColorsSamples(); i++) + { + d[poses()[i]] = (TQ_UINT16)( tiffstream->nextValue() * coeff ); + } + postProcessor()->postProcess16bit( d); + if(transform()) cmsDoTransform(transform(), d, d, 1); + d[poses()[i]] = TQ_UINT16_MAX; + for(int k = 0; k < nbExtraSamples(); k++) + { + if(k == alphaPos()) + d[poses()[i]] = (TQ_UINT16) ( tiffstream->nextValue() * coeff ); + else + tiffstream->nextValue(); + } + ++it; + } + return 1; + } + + uint KisTIFFReaderTarget32bit::copyDataToChannels( TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream) + { + KisHLineIterator it = paintDevice() -> createHLineIterator(x, y, dataWidth, true); + double coeff = TQ_UINT32_MAX / (double)( pow(2, sourceDepth() ) - 1 ); +// kdDebug(41008) << " depth expension coefficient : " << coeff << endl; + while (!it.isDone()) { + TQ_UINT32 *d = reinterpret_cast<TQ_UINT32 *>(it.rawData()); + TQ_UINT8 i; + for(i = 0; i < nbColorsSamples(); i++) + { + d[poses()[i]] = (TQ_UINT32)( tiffstream->nextValue() * coeff ); + } + postProcessor()->postProcess32bit( d); + if(transform()) cmsDoTransform(transform(), d, d, 1); + d[poses()[i]] = TQ_UINT32_MAX; + for(int k = 0; k < nbExtraSamples(); k++) + { + if(k == alphaPos()) + d[poses()[i]] = (TQ_UINT32) ( tiffstream->nextValue() * coeff ); + else + tiffstream->nextValue(); + } + ++it; + } + return 1; + } + uint KisTIFFReaderFromPalette::copyDataToChannels(TQ_UINT32 x, TQ_UINT32 y, TQ_UINT32 dataWidth, TIFFStreamBase* tiffstream) + { + KisHLineIterator it = paintDevice() -> createHLineIterator(x, y, dataWidth, true); + while (!it.isDone()) { + TQ_UINT16* d = reinterpret_cast<TQ_UINT16 *>(it.rawData()); + uint32 index = tiffstream->nextValue(); + d[2] = m_red[index]; + d[1] = m_green[index]; + d[0] = m_blue[index]; + d[3] = TQ_UINT16_MAX; + ++it; + } + return 1; + } |