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diff --git a/src/imageplugins/hotpixels/weights.h b/src/imageplugins/hotpixels/weights.h
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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
+
+// TQt includes.
+
+#include <tqrect.h>
+#include <tqvaluelist.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 TQValueList <TQPoint> 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
+    TQValueList <TQPoint> mPositions;
+};
+
+}  // NameSpace DigikamHotPixelsImagesPlugin
+
+#endif  // WEIGHTS_H