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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-07-16
* Description : digiKam image editor to adjust Hue, Saturation,
* and Lightness of picture.
*
* Copyright (C) 2004-2007 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_HSL_H
#define IMAGEEFFECT_HSL_H
// Digikam include.
#include "imagedlgbase.h"
class TQComboBox;
class TQHButtonGroup;
class KDoubleNumInput;
class KHSSelector;
namespace Digikam
{
class HistogramWidget;
class ColorGradientWidget;
class ImageWidget;
class DColor;
}
namespace DigikamImagesPluginCore
{
class HSPreviewWidget;
class ImageEffect_HSL : public Digikam::ImageDlgBase
{
TQ_OBJECT
public:
ImageEffect_HSL(TQWidget *parent);
~ImageEffect_HSL();
private slots:
void slotEffect();
void slotChannelChanged(int channel);
void slotScaleChanged(int scale);
void slotColorSelectedFromTarget( const Digikam::DColor &color );
void slotHSChanged(int h, int s);
void slotHChanged(double h);
void slotSChanged(double s);
private:
void writeUserSettings();
void readUserSettings();
void resetValues();
void finalRendering();
private:
enum HistogramScale
{
Linear=0,
Logarithmic
};
enum ColorChannel
{
LuminosityChannel=0,
RedChannel,
GreenChannel,
BlueChannel
};
uchar *m_destinationPreviewData;
TQComboBox *m_channelCB;
TQHButtonGroup *m_scaleBG;
KDoubleNumInput *m_hInput;
KDoubleNumInput *m_sInput;
KDoubleNumInput *m_lInput;
KHSSelector *m_HSSelector;
HSPreviewWidget *m_HSPreview;
Digikam::ImageWidget *m_previewWidget;
Digikam::ColorGradientWidget *m_hGradient;
Digikam::HistogramWidget *m_histogramWidget;
};
} // NameSpace DigikamImagesPluginCore
#endif /* IMAGEEFFECT_HSL_H */
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