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diff --git a/digikam/libs/widgets/imageplugins/imageregionwidget.h b/digikam/libs/widgets/imageplugins/imageregionwidget.h
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-08-17
+ * Description : a widget to draw an image clip region.
+ * 
+ * Copyright (C) 2004-2008 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 IMAGEREGIONWIDGET_H
+#define IMAGEREGIONWIDGET_H
+
+// Qt includes.
+
+#include <qrect.h>
+
+// Local includes.
+
+#include "previewwidget.h"
+#include "dimg.h"
+#include "digikam_export.h"
+
+namespace Digikam
+{
+
+class ImageRegionWidgetPriv;
+
+class DIGIKAM_EXPORT ImageRegionWidget : public PreviewWidget
+{
+Q_OBJECT
+
+public:
+    
+    enum SeparateViewMode 
+    {
+        SeparateViewHorizontal=0,
+        SeparateViewVertical,
+        SeparateViewNone,
+        SeparateViewDuplicateVert,
+        SeparateViewDuplicateHorz
+    };
+    
+public:
+    
+    ImageRegionWidget(int wp, int hp, QWidget *parent=0, bool scrollBar=true);
+    ~ImageRegionWidget();
+    
+    void   setContentsPosition(int x, int y, bool targetDone);    
+    void   setCenterContentsPosition();
+
+    /** To get image region including original or/and target area depending of separate view mode.
+        The region is given using not scaled image unit.*/
+    QRect  getImageRegion();
+    
+    /** To get target image region area to render */
+    QRect  getImageRegionToRender();
+    
+    /** To get target image region image to use for render operations */
+    DImg   getImageRegionImage();
+
+    void   updatePreviewImage(DImg *img);
+
+    void   backupPixmapRegion();
+    void   restorePixmapRegion();
+    
+    void   setHighLightPoints(const QPointArray& pointsList);
+    void   drawSeparateView();
+             
+public slots:
+
+    void slotSeparateViewToggled(int mode);
+
+private slots:
+    
+    void slotZoomFactorChanged();
+
+private:
+
+    void  updatePixmap(DImg& img);
+    QRect getLocalTargetImageRegion();
+    QRect getLocalImageRegionToRender();
+    void  viewportPaintExtraData();
+    int   previewWidth();
+    int   previewHeight();
+    bool  previewIsNull();
+    void  resetPreview();
+    void  setContentsSize();
+    void  resizeEvent(QResizeEvent *);
+    void  contentsWheelEvent(QWheelEvent *);
+
+    inline void paintPreview(QPixmap *pix, int sx, int sy, int sw, int sh);
+
+private:
+    
+    ImageRegionWidgetPriv* d;
+};
+
+}  // NameSpace Digikam
+
+#endif /* IMAGEREGIONWIDGET_H */