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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-03-27
* Description : a class to calculate filter weights
*
* Copyright (C) 2005-2006 by Unai Garro <ugarro at users dot sourceforge dot 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, 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.
*
* ============================================================ */
#ifndef WEIGHTS_H
#define WEIGHTS_H
// Qt includes.
#include <qrect.h>
#include <qvaluelist.h>
namespace DigikamHotPixelsImagesPlugin
{
class Weights
{
public:
Weights(){};
Weights(const Weights &w);
void operator=(const Weights &w);
~Weights()
{
if (!mWeightMatrices) return;
for (unsigned int i=0; i<mPositions.count(); i++)
{
for (unsigned int j=0; j<mHeight; j++) delete[] mWeightMatrices[i][j];
}
}
unsigned int height() const { return mHeight; };
unsigned int polynomeOrder() const { return mPolynomeOrder; };
bool twoDim() const { return mTwoDim; };
unsigned int width() const { return mWidth; };
void setHeight(int h) { mHeight=h; };
void setPolynomeOrder(int order) { mPolynomeOrder=order; };
void setTwoDim(bool td) { mTwoDim=td; };
void setWidth(int w) { mWidth=w; };
void calculateWeights();
bool operator==(const Weights& ws) const;
double** operator[](int n) const { return mWeightMatrices[n]; };
const QValueList <QPoint> positions() const { return mPositions; };
protected:
int coefficientNumber() const { return mCoefficientNumber; };
double*** weightMatrices() const { return mWeightMatrices; };
private:
double polyTerm (const size_t i_coeff, const int x, const int y, const int poly_order);
void matrixInv (double *const a, const size_t size);
private:
unsigned int mHeight,mWidth;
unsigned int mCoefficientNumber;
bool mTwoDim;
unsigned int mPolynomeOrder;
double *** mWeightMatrices; //Stores a list of weight matrices
QValueList <QPoint> mPositions;
};
} // NameSpace DigikamHotPixelsImagesPlugin
#endif // WEIGHTS_H
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