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diff --git a/digikam/libs/dimg/filters/hslmodifier.h b/digikam/libs/dimg/filters/hslmodifier.h
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2005-03-06
+ * Description : Hue/Saturation/Lightness 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 HSLMODIFIER_H
+#define HSLMODIFIER_H
+
+// Local includes.
+
+#include "digikam_export.h"
+
+namespace Digikam
+{
+
+class DImg;
+class HSLModifierPriv;
+
+class DIGIKAM_EXPORT HSLModifier
+{
+public:
+
+    HSLModifier();
+    ~HSLModifier();
+
+    void reset();
+    bool modified() const;
+
+    void setHue(double val);
+    void setSaturation(double val);
+    void setLightness(double val);
+    void applyHSL(DImg& image);
+    
+private:
+
+    HSLModifierPriv* d;    
+};
+
+}  // NameSpace Digikam
+    
+#endif /* HSLMODIFIER_H */