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diff --git a/src/utilities/imageeditor/canvas/canvas.h b/src/utilities/imageeditor/canvas/canvas.h
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2003-01-09
+ * Description : image editor canvas management class
+ *
+ * Copyright (C) 2004-2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
+ * 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 CANVAS_H
+#define CANVAS_H
+
+// TQt includes.
+
+#include <tqscrollview.h>
+#include <tqrect.h>
+
+// Local includes.
+
+#include "digikam_export.h"
+#include "dimg.h"
+
+class TQString;
+class TQStringList;
+class TQPixmap;
+class TQPaintEvent;
+class TQResizeEvent;
+class TQWheelEvent;
+class TQKeyEvent;
+class TQColor;
+
+namespace Digikam
+{
+
+class CanvasPrivate;
+class DImgInterface;
+class ExposureSettingsContainer;
+class ICCSettingsContainer;
+class IOFileSettingsContainer;
+
+class DIGIKAM_EXPORT Canvas : public TQScrollView
+{
+    TQ_OBJECT
+  
+
+public:
+
+    Canvas(TQWidget *parent=0);
+    ~Canvas();
+
+    void  load(const TQString& filename, IOFileSettingsContainer *IOFileSettings);
+    void  preload(const TQString& filename);
+
+    void  saveAs(const TQString& filename, IOFileSettingsContainer *IOFileSettings,
+                 bool setExifOrientationTag, const TQString& mimeType=TQString());
+    void  resetImage();
+    void  switchToLastSaved(const TQString& newFilename);
+    void  abortSaving();
+    void  setModified();
+    void  readMetadataFromFile(const TQString &file);
+    void  clearUndoHistory();
+    void  setUndoHistoryOrigin();
+    void  updateUndoState();
+    DImg  currentImage();
+    TQString currentImageFileFormat();
+    TQString currentImageFilePath();
+
+    DImgInterface *interface() const;
+    void makeDefaultEditingCanvas();
+
+    double snapZoom(double z);
+    void   setZoomFactorSnapped(double zoom);
+
+    double zoomFactor();
+    void  setZoomFactor(double z);
+    bool  fitToWindow();
+    bool  maxZoom();
+    bool  minZoom();
+    bool  exifRotated();
+    int   imageWidth();
+    int   imageHeight();
+    TQRect getSelectedArea();
+
+    // If current image file format is only available in read only,
+    // typicially all RAW image file formats.
+    bool  isReadOnly();
+
+    void  resizeImage(int w, int h);
+
+    void  setBackgroundColor(const TQColor& color);
+    void  setICCSettings(ICCSettingsContainer *cmSettings);
+    void  setExposureSettings(ExposureSettingsContainer *expoSettings);
+
+    void  setExifOrient(bool exifOrient);
+
+    void  increaseGamma();
+    void  decreaseGamma();
+    void  increaseBrightness();
+    void  decreaseBrightness();
+    void  increaseContrast();
+    void  decreaseContrast();
+
+    void  getUndoHistory(TQStringList &titles);
+    void  getRedoHistory(TQStringList &titles);
+
+    void  toggleFitToWindow();
+    void  fitToSelect();
+
+signals:
+
+    void signalZoomChanged(double zoom);
+    void signalMaxZoom();
+    void signalMinZoom();
+    void signalChanged();
+    void signalUndoStateChanged(bool, bool, bool);
+    void signalSelected(bool);
+    void signalRightButtonClicked();
+    void signalShowNextImage();
+    void signalShowPrevImage();
+    void signalPrepareToLoad();
+    void signalLoadingStarted(const TQString &filename);
+    void signalLoadingFinished(const TQString &filename, bool success);
+    void signalLoadingProgress(const TQString& filePath, float progress);
+    void signalSavingStarted(const TQString &filename);
+    void signalSavingFinished(const TQString &filename, bool success);
+    void signalSavingProgress(const TQString& filePath, float progress);
+    void signalSelectionChanged(const TQRect&);
+    void signalToggleOffFitToWindow();
+
+public slots:
+
+    void slotIncreaseZoom();
+    void slotDecreaseZoom();
+
+    // image modifiers
+    void slotRotate90();
+    void slotRotate180();
+    void slotRotate270();
+
+    void slotFlipHoriz();
+    void slotFlipVert();
+
+    void slotCrop();
+
+    void slotRestore();
+    void slotUndo(int steps=1);
+    void slotRedo(int steps=1);
+
+    void slotCopy();
+
+    void slotSelectAll();
+    void slotSelectNone();
+
+protected:
+
+    void resizeEvent(TQResizeEvent* e);
+    void viewportPaintEvent(TQPaintEvent *e);
+    void contentsMousePressEvent(TQMouseEvent *e);
+    void contentsMouseMoveEvent(TQMouseEvent *e);
+    void contentsMouseReleaseEvent(TQMouseEvent *e);
+    void contentsWheelEvent(TQWheelEvent *e);
+
+private:
+
+    TQRect  calcSeletedArea();
+    double calcAutoZoomFactor();
+    void   updateAutoZoom();
+    void   updateContentsSize(bool deleteRubber);
+
+    void drawRubber();
+    void paintViewport(const TQRect& er, bool antialias);
+
+    void reset();
+
+private slots:
+
+    void slotSelected();
+    void slotModified();
+    void slotImageLoaded(const TQString& filePath, bool success);
+    void slotImageSaved(const TQString& filePath, bool success);
+    void slotCornerButtonPressed();
+    void slotZoomChanged(double);
+    void slotPanIconSelectionMoved(const TQRect&, bool);
+    void slotPanIconHiden();
+
+private:
+
+    CanvasPrivate *d;
+};
+
+}  // namespace Digikam
+
+#endif /* CANVAS_H */
+