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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-07-11
* Description : digiKam image editor Color Balance tool.
*
* 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 RGBTOOL_H
#define RGBTOOL_H
// Digikam includes.
#include "editortool.h"
class TQComboBox;
class TQHButtonGroup;
class TQSlider;
namespace KDcrawIface
{
class RIntNumInput;
}
namespace Digikam
{
class HistogramWidget;
class ColorGradientWidget;
class ImageWidget;
class DColor;
}
namespace DigikamImagesPluginCore
{
class RGBTool : public Digikam::EditorTool
{
TQ_OBJECT
public:
RGBTool(TQObject *parent);
~RGBTool();
private:
void writeSettings();
void readSettings();
void adjustSliders(int r, int g, int b);
void finalRendering();
private slots:
void slotEffect();
void slotResetSettings();
void slotChannelChanged(int channel);
void slotScaleChanged(int scale);
void slotColorSelectedFromTarget( const Digikam::DColor &color );
private:
enum HistogramScale
{
Linear=0,
Logarithmic
};
enum ColorChannel
{
LuminosityChannel=0,
RedChannel,
GreenChannel,
BlueChannel
};
uchar *m_destinationPreviewData;
TQComboBox *m_channelCB;
TQHButtonGroup *m_scaleBG;
KDcrawIface::RIntNumInput *m_rInput;
KDcrawIface::RIntNumInput *m_gInput;
KDcrawIface::RIntNumInput *m_bInput;
TQSlider *m_rSlider;
TQSlider *m_gSlider;
TQSlider *m_bSlider;
Digikam::ImageWidget *m_previewWidget;
Digikam::ColorGradientWidget *m_hGradient;
Digikam::HistogramWidget *m_histogramWidget;
Digikam::EditorToolSettings *m_gboxSettings;
};
} // NameSpace DigikamImagesPluginCore
#endif /* RGBTOOL_H */
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