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diff --git a/src/imageplugins/coreplugin/imageeffect_autocorrection.h b/src/imageplugins/coreplugin/imageeffect_autocorrection.h
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2005-05-31
+ * Description : Auto-Color correction tool.
+ *
+ * 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 IMAGEEFFECT_AUTOCORRECTION_H
+#define IMAGEEFFECT_AUTOCORRECTION_H
+
+// TQt Includes.
+
+#include <tqstring.h>
+
+// Digikam include.
+
+#include "imagedlgbase.h"
+
+class TQHButtonGroup;
+class TQComboBox;
+class TQListBox;
+class TQButtonGroup;
+
+namespace Digikam
+{
+class HistogramWidget;
+class ColorGradientWidget;
+class ImageWidget;
+class DColor;
+class DImg;
+}
+
+namespace DigikamImagesPluginCore
+{
+
+class ImageEffect_AutoCorrection : public Digikam::ImageDlgBase
+{
+    TQ_OBJECT
+  
+
+public:
+
+    ImageEffect_AutoCorrection(TQWidget *parent);
+    ~ImageEffect_AutoCorrection();
+
+protected:
+
+    void finalRendering();
+   
+private slots:
+
+    void slotEffect();
+    void slotChannelChanged(int channel);
+    void slotScaleChanged(int scale);
+    void slotColorSelectedFromTarget(const Digikam::DColor &color);
+
+private:
+
+    enum AutoCorrectionType
+    {
+        AutoLevelsCorrection=0,
+        NormalizeCorrection,
+        EqualizeCorrection,
+        StretchContrastCorrection,
+        AutoExposureCorrection
+    };
+
+private:
+
+    void readUserSettings();
+    void writeUserSettings();
+    void resetValues();
+
+    void autoCorrection(uchar *data, int w, int h, bool sb, int type);
+    TQPixmap getThumbnailForEffect(AutoCorrectionType type);
+
+private:
+
+    enum HistogramScale
+    {
+        Linear=0,
+        Logarithmic
+    };
+
+    enum ColorChannel
+    {
+        LuminosityChannel=0,
+        RedChannel,
+        GreenChannel,
+        BlueChannel
+    };
+
+    uchar                        *m_destinationPreviewData;
+    
+    TQComboBox                    *m_channelCB;
+    
+    TQHButtonGroup                *m_scaleBG;
+
+    TQListBox                     *m_correctionTools;
+
+    Digikam::ImageWidget         *m_previewWidget;
+
+    Digikam::ColorGradientWidget *m_hGradient;
+    
+    Digikam::HistogramWidget     *m_histogramWidget;    
+
+    Digikam::DImg                 m_thumbnailImage;
+};
+
+}  // NameSpace DigikamImagesPluginCore
+
+#endif /* IMAGEEFFECT_AUTOCORRECTION_H */