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-/*
- * This file is part of the KDE project
- *
- * Copyright (c) 2005 Cyrille Berger <[email protected]>
- *
- * 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_MATH_TOOLBOX_H
-#define KIS_MATH_TOOLBOX_H
-
-#include <tqobject.h>
-
-// typedef unsigned int uint;
-
-#include <kis_generic_registry.h>
-#include "kis_paint_device.h"
-#include "kis_types.h"
-
-#include <new>
-
-class KisMathToolbox : public TQObject {
- Q_OBJECT
- TQ_OBJECT
- public:
- struct KisFloatRepresentation {
- KisFloatRepresentation(uint nsize, uint ndepth) throw(std::bad_alloc ) : coeffs(new float[nsize*nsize*ndepth]) ,size(nsize), depth(ndepth)
- {
- // XXX: Valgrind shows that these are being used without being initialised.
- for (TQ_UINT32 i = 0; i < nsize*nsize*ndepth; ++i) {
- coeffs[i] = 0;
- }
- }
- ~KisFloatRepresentation() { if(coeffs) delete[] coeffs; }
- float* coeffs;
- uint size;
- uint depth;
- };
- typedef KisFloatRepresentation KisWavelet;
- public:
- KisMathToolbox(KisID id);
- ~KisMathToolbox();
- public:
- inline KisID id() { return m_id; };
- /**
- * This function initialize a wavelet structure
- * @param lay the layer that will be used for the transformation
- */
- inline KisWavelet* initWavelet(KisPaintDeviceSP lay, const TQRect&) throw(std::bad_alloc );
- inline uint fastWaveletTotalSteps(const TQRect&);
- /**
- * This function reconstruct the layer from the information of a wavelet
- * @param src layer from which the wavelet will be computed
- * @param buff if set to 0, the buffer will be initialized by the function,
- * you might want to give a buff to the function if you want to use the same buffer
- * in transformToWavelet and in untransformToWavelet, use initWavelet to initialize
- * the buffer
- */
- virtual KisWavelet* fastWaveletTransformation(KisPaintDeviceSP src, const TQRect&, KisWavelet* buff = 0) =0;
- /**
- * This function reconstruct the layer from the information of a wavelet
- * @param dst layer on which the wavelet will be untransform
- * @param wav the wavelet
- * @param buff if set to 0, the buffer will be initialized by the function,
- * you might want to give a buff to the function if you want to use the same buffer
- * in transformToWavelet and in untransformToWavelet, use initWavelet to initialize
- * the buffer
- */
- virtual void fastWaveletUntransformation(KisPaintDeviceSP dst, const TQRect&, KisWavelet* wav, KisWavelet* buff = 0) =0;
- signals:
- void nextStep();
- protected:
- /**
- * This function transform a paint device into a KisFloatRepresentation, this function is colorspace independant,
- * for Wavelet, Pyramid and FFT the data is allways the exact value of the channel stored in a float.
- */
- void transformToFR(KisPaintDeviceSP src, KisFloatRepresentation*, const TQRect&);
- /**
- * This function transform a KisFloatRepresentation into a paint device, this function is colorspace independant,
- * for Wavelet, Pyramid and FFT the data is allways the exact value of the channel stored in a float.
- */
- void transformFromFR(KisPaintDeviceSP dst, KisFloatRepresentation*, const TQRect&);
- private:
- KisID m_id;
-};
-
-class KisMathToolboxFactoryRegistry : public KisGenericRegistry<KisMathToolbox*> {
- public:
- KisMathToolboxFactoryRegistry();
- ~KisMathToolboxFactoryRegistry();
-};
-
-
-inline KisMathToolbox::KisWavelet* KisMathToolbox::initWavelet(KisPaintDeviceSP src, const TQRect& rect) throw(std::bad_alloc )
-{
- int size;
- int maxrectsize = (rect.height() < rect.width()) ? rect.width() : rect.height();
- for(size = 2; size < maxrectsize; size *= 2) ;
- TQ_INT32 depth = src->colorSpace()->nColorChannels();
- return new KisWavelet(size, depth);
-}
-
-inline uint KisMathToolbox::fastWaveletTotalSteps(const TQRect& rect)
-{
- int size, steps;
- int maxrectsize = (rect.height() < rect.width()) ? rect.width() : rect.height();
- steps = 0;
- for(size = 2; size < maxrectsize; size *= 2) steps += size / 2; ;
- return steps;
-}
-
-#endif