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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) 2005-2008 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 AUTOCORRECTIONTOOL_H
#define AUTOCORRECTIONTOOL_H
// TQt includes.
#include <tqstring.h>
// Digikam includes.
#include "editortool.h"
class TQHButtonGroup;
class TQComboBox;
class TQListBox;
class TQButtonGroup;
namespace Digikam
{
class HistogramWidget;
class ColorGradientWidget;
class ImageWidget;
class DColor;
class DImg;
}
namespace DigikamImagesPluginCore
{
class AutoCorrectionTool : public Digikam::EditorTool
{
TQ_OBJECT
public:
AutoCorrectionTool(TQObject *parent);
~AutoCorrectionTool();
protected:
void finalRendering();
private slots:
void slotEffect();
void slotResetSettings();
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 readSettings();
void writeSettings();
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 /* AUTOCORRECTIONTOOL_H */
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