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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-02-26
* Description : image channels mixer.
*
* 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 CHANNELMIXER_H
#define CHANNELMIXER_H
// Digikam includes.
#include "imagedlgbase.h"
class TQCheckBox;
class TQComboBox;
class TQPushButton;
class TQHButtonGroup;
class KDoubleNumInput;
namespace Digikam
{
class HistogramWidget;
class ColorGradientWidget;
class ImageWidget;
class DColor;
}
namespace DigikamChannelMixerImagesPlugin
{
class ChannelMixerDialog : public Digikam::ImageDlgBase
{
TQ_OBJECT
public:
ChannelMixerDialog(TQWidget *parent);
~ChannelMixerDialog();
private:
void readUserSettings();
void writeUserSettings();
void resetValues();
void finalRendering();
void adjustSliders();
private slots:
void slotUser2();
void slotUser3();
void slotResetCurrentChannel();
void slotEffect();
void slotChannelChanged(int channel);
void slotScaleChanged(int scale);
void slotGainsChanged();
void slotMonochromeActived(bool mono);
void slotColorSelectedFromTarget(const Digikam::DColor &color);
private:
enum ColorChannelGains
{
RedChannelGains=0,
GreenChannelGains,
BlueChannelGains
};
enum HistogramScale
{
Linear=0,
Logarithmic
};
private:
uchar *m_destinationPreviewData;
double m_redRedGain;
double m_redGreenGain;
double m_redBlueGain;
double m_greenRedGain;
double m_greenGreenGain;
double m_greenBlueGain;
double m_blueRedGain;
double m_blueGreenGain;
double m_blueBlueGain;
double m_blackRedGain;
double m_blackGreenGain;
double m_blackBlueGain;
TQComboBox *m_channelCB;
TQHButtonGroup *m_scaleBG;
KDoubleNumInput *m_redGain;
KDoubleNumInput *m_greenGain;
KDoubleNumInput *m_blueGain;
TQPushButton *m_resetButton;
TQCheckBox *m_preserveLuminosity;
TQCheckBox *m_monochrome;
Digikam::ColorGradientWidget *m_hGradient;
Digikam::HistogramWidget *m_histogramWidget;
Digikam::ImageWidget *m_previewWidget;
};
} // NameSpace DigikamChannelMixerImagesPlugin
#endif /* CHANNELMIXER_H */
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