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diff --git a/digikam/imageplugins/whitebalance/imageeffect_whitebalance.h b/digikam/imageplugins/whitebalance/imageeffect_whitebalance.h
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2005-03-11
+ * Description : a digiKam image editor plugin to correct 
+ *               image white balance 
+ * 
+ * Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ * Copyright (C) 2008 by Guillaume Castagnino <casta at xwing dot info>
+ * 
+ * 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_WHITEBALANCE_H
+#define IMAGEEFFECT_WHITEBALANCE_H
+
+// Qt include.
+
+#include <qcolor.h>
+
+// Digikam includes.
+
+#include "imagedlgbase.h"
+
+class QPushButton;
+class QLabel;
+class QComboBox;
+class QPushButton;
+class QHButtonGroup;
+
+class KDoubleNumInput;
+class KActiveLabel;
+
+namespace Digikam
+{
+class HistogramWidget;
+class ColorGradientWidget;
+class ImageWidget;
+class DColor;
+}
+
+namespace DigikamWhiteBalanceImagesPlugin
+{
+
+class ImageEffect_WhiteBalance : public Digikam::ImageDlgBase
+{
+    Q_OBJECT
+
+public:
+
+    ImageEffect_WhiteBalance(QWidget* parent);
+    ~ImageEffect_WhiteBalance();
+
+protected:
+
+    void finalRendering();    
+
+private slots:
+
+    void slotUser2();
+    void slotUser3();
+    void slotEffect();
+    void slotColorSelectedFromOriginal(const Digikam::DColor &color);
+    void slotColorSelectedFromTarget(const Digikam::DColor &color);
+    void slotScaleChanged(int scale);
+    void slotChannelChanged(int channel);
+    void slotTemperatureChanged(double temperature);
+    void slotTemperaturePresetChanged(int tempPreset);
+    void slotAutoAdjustExposure(void);
+    void slotPickerColorButtonActived();    
+
+private:
+
+    void readUserSettings();
+    void writeUserSettings();
+    void resetValues();
+
+private:    
+
+    enum HistogramScale
+    {
+        Linear=0,
+        Logarithmic
+    };
+    
+    enum ColorChannel
+    {
+        LuminosityChannel=0,
+        RedChannel,
+        GreenChannel,
+        BlueChannel
+    };
+    
+    enum TemperaturePreset
+    {
+        Candle=0,
+        Lamp40W,
+        Lamp100W,
+        Lamp200W,
+        Sunrise,
+        StudioLamp,
+        MoonLight,
+        Neutral,
+        DaylightD50,
+        Flash,
+        Sun,
+        XeonLamp,
+        DaylightD65,
+        None
+    };
+
+    uchar                        *m_destinationPreviewData;
+
+    int                           m_currentPreviewMode;
+
+    QPushButton                  *m_pickTemperature;
+    QPushButton                  *m_autoAdjustExposure;
+    
+    QComboBox                    *m_temperaturePresetCB;    
+    QComboBox                    *m_channelCB;    
+    
+    QHButtonGroup                *m_scaleBG;  
+        
+    QLabel                       *m_adjTemperatureLabel;
+    QLabel                       *m_temperaturePresetLabel;
+    QLabel                       *m_darkLabel;
+    QLabel                       *m_blackLabel;
+    QLabel                       *m_mainExposureLabel;
+    QLabel                       *m_fineExposureLabel;
+    QLabel                       *m_gammaLabel;
+    QLabel                       *m_saturationLabel;
+    QLabel                       *m_greenLabel;
+    
+    KActiveLabel                 *m_exposureLabel;
+    KActiveLabel                 *m_temperatureLabel;
+
+    KDoubleNumInput              *m_temperatureInput;
+    KDoubleNumInput              *m_darkInput;
+    KDoubleNumInput              *m_blackInput;
+    KDoubleNumInput              *m_mainExposureInput;
+    KDoubleNumInput              *m_fineExposureInput;
+    KDoubleNumInput              *m_gammaInput;
+    KDoubleNumInput              *m_saturationInput;
+    KDoubleNumInput              *m_greenInput;
+    
+    Digikam::HistogramWidget     *m_histogramWidget;
+    
+    Digikam::ColorGradientWidget *m_hGradient;
+    
+    Digikam::ImageWidget         *m_previewWidget;
+};
+
+}  // NameSpace DigikamWhiteBalanceImagesPlugin
+
+#endif /* IMAGEEFFECT_WHITEBALANCE_H */