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/*
* This file is part of the KDE project
*
* Copyright (c) 2005 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_math_toolbox.h"
#ifdef HAVE_OPENEXR
#include <half.h>
#endif
#include "kis_basic_math_toolbox.h"
#include "kis_iterators_pixel.h"
KisMathToolbox::KisMathToolbox(KisID id) : m_id(id)
{
}
KisMathToolbox::~KisMathToolbox()
{
}
KisMathToolboxFactoryRegistry::KisMathToolboxFactoryRegistry()
{
add(new KisBasicMathToolbox());
}
KisMathToolboxFactoryRegistry::~KisMathToolboxFactoryRegistry()
{
}
template<typename T>
double toDouble(TQ_UINT8* data, int channelpos )
{
return (float)( *((T*)(data + channelpos)) );
}
typedef double (*PtrToDouble)(TQ_UINT8*, int);
template<typename T>
void fromDouble(TQ_UINT8* data, int channelpos, double v )
{
*((T*)(data + channelpos)) = (T)v;
}
typedef void (*PtrFromDouble)(TQ_UINT8*, int, double);
void KisMathToolbox::transformToFR(KisPaintDeviceSP src, KisFloatRepresentation* fr, const TQRect& rect)
{
TQ_INT32 depth = src->colorSpace()->nColorChannels();
TQMemArray<PtrToDouble> f(depth);
TQValueVector<KisChannelInfo *> cis = src->colorSpace()->channels();
for(TQ_INT32 k = 0; k < depth; k++)
{
switch( cis[k]->channelValueType() )
{
case KisChannelInfo::UINT8:
f[k] = toDouble<TQ_UINT8>;
break;
case KisChannelInfo::UINT16:
f[k] = toDouble<TQ_UINT16>;
break;
#ifdef HAVE_OPENEXR
case KisChannelInfo::FLOAT16:
f[k] = toDouble<half>;
break;
#endif
case KisChannelInfo::FLOAT32:
f[k] = toDouble<float>;
break;
case KisChannelInfo::INT8:
f[k] = toDouble<TQ_INT8>;
break;
case KisChannelInfo::INT16:
f[k] = toDouble<TQ_INT16>;
break;
default:
kdWarning() << "Unsupported value type in KisMathToolbox" << endl;
return;
}
}
for(int i = rect.y(); i < rect.height(); i++)
{
KisHLineIteratorPixel srcIt = src->createHLineIterator(rect.x(), i, rect.width(), false );
float *dstIt = fr->coeffs + (i-rect.y()) * fr->size * fr->depth;
while( ! srcIt.isDone() )
{
TQ_UINT8* v1 = srcIt.rawData();
for( int k = 0; k < depth; k++)
{
*dstIt = f[k](v1, cis[k]->pos());
++dstIt;
}
++srcIt;
}
}
}
void KisMathToolbox::transformFromFR(KisPaintDeviceSP dst, KisFloatRepresentation* fr, const TQRect& rect)
{
TQ_INT32 depth = dst->colorSpace()->nColorChannels();
TQMemArray<PtrFromDouble> f(depth);
TQValueVector<KisChannelInfo *> cis = dst->colorSpace()->channels();
for(TQ_INT32 k = 0; k < depth; k++)
{
switch( cis[k]->channelValueType() )
{
case KisChannelInfo::UINT8:
f[k] = fromDouble<TQ_UINT8>;
break;
case KisChannelInfo::UINT16:
f[k] = fromDouble<TQ_UINT16>;
break;
#ifdef HAVE_OPENEXR
case KisChannelInfo::FLOAT16:
f[k] = fromDouble<half>;
break;
#endif
case KisChannelInfo::FLOAT32:
f[k] = fromDouble<float>;
break;
case KisChannelInfo::INT8:
f[k] = fromDouble<TQ_INT8>;
break;
case KisChannelInfo::INT16:
f[k] = fromDouble<TQ_INT16>;
break;
default:
kdWarning() << "Unsupported value type in KisMathToolbox" << endl;
return;
}
}
for(int i = rect.y(); i < rect.height(); i++)
{
KisHLineIteratorPixel dstIt = dst->createHLineIterator(rect.x(), i, rect.width(), true );
float *srcIt = fr->coeffs + (i-rect.y()) * fr->size * fr->depth;
while( ! dstIt.isDone() )
{
TQ_UINT8* v1 = dstIt.rawData();
for( int k = 0; k < depth; k++)
{
f[k](v1, cis[k]->pos(), *srcIt);
++srcIt;
}
++dstIt;
}
}
}
#include "kis_math_toolbox.moc"
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