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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2005-05-25
+ * Description : Emboss threaded image filter.
+ *
+ * Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ * Copyright (C) 2006-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
+ *
+ * Original Emboss algorithm copyrighted 2004 by 
+ * Pieter Z. Voloshyn <pieter dot voloshyn 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 EMBOSS_H
+#define EMBOSS_H
+
+// Digikam includes.
+
+#include "dimgthreadedfilter.h"
+
+namespace DigikamEmbossImagesPlugin
+{
+
+class Emboss : public Digikam::DImgThreadedFilter
+{
+
+public:
+
+    Emboss(Digikam::DImg *orgImage, TQObject *parent=0, int depth=30);
+    ~Emboss(){};
+
+private:  
+
+    virtual void filterImage(void);
+
+
+    void embossImage(Digikam::DImg *orgImage, Digikam::DImg *destImage, int d);
+
+    // Function to limit the max and min values defined by the developer.
+
+    inline int Lim_Max (int Now, int Up, int Max)
+    {
+        --Max;
+        while (Now > Max - Up)
+            --Up;
+        return (Up);
+    };
+
+    inline int getOffset(int Width, int X, int Y, int bytesDepth)
+    {
+        return (Y * Width * bytesDepth) + (X * bytesDepth);
+    };
+
+private:  
+
+    int m_depth;
+};
+
+}  // NameSpace DigikamEmbossImagesPlugin
+
+#endif /* EMBOSS_H */