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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-12-01
* Description : image histogram adjust curves.
*
* 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 ADJUSTCURVESTOOL_H
#define ADJUSTCURVESTOOL_H
// Digikam includes.
#include "editortool.h"
// Local includes.
class TQComboBox;
class TQPushButton;
class TQHButtonGroup;
namespace Digikam
{
class CurvesWidget;
class HistogramWidget;
class ColorGradientWidget;
class EditorToolSettings;
class ImageWidget;
class DImg;
class DColor;
}
namespace DigikamAdjustCurvesImagesPlugin
{
class AdjustCurvesTool : public Digikam::EditorTool
{
TQ_OBJECT
public:
AdjustCurvesTool(TQObject *parent);
~AdjustCurvesTool();
private:
void readSettings();
void writeSettings();
void finalRendering();
private slots:
void slotSaveAsSettings();
void slotLoadSettings();
void slotEffect();
void slotResetSettings();
void slotResetCurrentChannel();
void slotChannelChanged(int channel);
void slotScaleChanged(int scale);
void slotCurveTypeChanged(int type);
void slotSpotColorChanged(const Digikam::DColor& color);
void slotColorSelectedFromTarget(const Digikam::DColor& color);
void slotPickerColorButtonActived();
private:
enum ColorPicker
{
BlackTonal=0,
GrayTonal,
WhiteTonal
};
enum ColorChannel
{
LuminosityChannel=0,
RedChannel,
GreenChannel,
BlueChannel,
AlphaChannel
};
enum CurvesDrawingType
{
SmoothDrawing=0,
FreeDrawing
};
enum HistogramScale
{
Linear=0,
Logarithmic
};
uchar *m_destinationPreviewData;
int m_histoSegments;
int m_currentPreviewMode;
TQComboBox *m_channelCB;
TQPushButton *m_resetButton;
TQPushButton *m_pickBlack;
TQPushButton *m_pickGray;
TQPushButton *m_pickWhite;
TQPushButton *m_curveFree;
TQPushButton *m_curveSmooth;
TQHButtonGroup *m_pickerColorButtonGroup;
TQHButtonGroup *m_scaleBG;
TQHButtonGroup *m_curveType;
Digikam::CurvesWidget *m_curvesWidget;
Digikam::HistogramWidget *m_histogramWidget;
Digikam::ColorGradientWidget *m_hGradient;
Digikam::ColorGradientWidget *m_vGradient;
Digikam::ImageWidget *m_previewWidget;
Digikam::EditorToolSettings *m_gboxSettings;
Digikam::DImg *m_originalImage;
};
} // NameSpace DigikamAdjustCurvesImagesPlugin
#endif /* ADJUSTCURVESTOOL_H */
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