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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2005-05-25
+ * Description : Refocus threaded image filter.
+ *
+ * Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ *
+ * 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 REFOCUS_H
+#define REFOCUS_H
+
+// Local includes.
+
+#include "dimgthreadedfilter.h"
+
+namespace DigikamImagesPluginCore
+{
+
+class Refocus : public Digikam::DImgThreadedFilter
+{
+
+public:
+
+    Refocus(Digikam::DImg *orgImage, QObject *parent=0, int matrixSize=5, double radius=0.9,
+            double gauss=0.0, double correlation=0.5, double noise=0.01);
+
+    ~Refocus(){};
+
+private:  // Refocus filter methods.
+
+    virtual void filterImage(void);
+
+    void refocusImage(uchar* data, int width, int height, bool sixteenBit,
+                      int matrixSize, double radius, double gauss,
+                      double correlation, double noise);
+
+    void convolveImage(uchar *orgData, uchar *destData, int width, int height,
+                       bool sixteenBit, const double *const matrix, int mat_size);
+
+private:  // Refocus filter data.
+
+    int    m_matrixSize;
+
+    double m_radius;
+    double m_gauss;
+    double m_correlation;
+    double m_noise;
+};
+
+}  // NameSpace DigikamImagesPluginCore
+
+#endif /* REFOCUS_H */