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tdegraphics/kolourpaint/pixmapfx/kpeffectbalance.h

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/*
Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef KP_EFFECT_BALANCE_H
#define KP_EFFECT_BALANCE_H
#include <kpcoloreffect.h>
class TQLabel;
class KComboBox;
class KIntNumInput;
class kpMainWindowe;
class kpEffectBalanceCommand : public kpColorEffectCommand
{
public:
enum Channel
{
None = 0,
Red = 1, Green = 2, Blue = 4,
RGB = Red | Green | Blue
};
// <brightness>, <contrast> & <gamma> are from -50 to 50
kpEffectBalanceCommand (int channels,
int brightness, int contrast, int gamma,
bool actOnSelection,
kpMainWindow *mainWindow);
virtual ~kpEffectBalanceCommand ();
static TQPixmap applyColorEffect (const TQPixmap &pixmap,
int channels,
int brightness, int contrast, int gamma);
protected:
virtual TQPixmap applyColorEffect (const TQPixmap &pixmap);
protected:
int m_channels;
int m_brightness, m_contrast, m_gamma;
};
class kpEffectBalanceWidget : public kpColorEffectWidget
{
TQ_OBJECT
public:
kpEffectBalanceWidget (bool actOnSelection,
kpMainWindow *mainWindow,
TQWidget *parent, const char *name = 0);
virtual ~kpEffectBalanceWidget ();
virtual TQString caption () const;
virtual bool isNoOp () const;
virtual TQPixmap applyColorEffect (const TQPixmap &pixmap);
virtual kpColorEffectCommand *createCommand () const;
protected:
int channels () const;
int brightness () const;
int contrast () const;
int gamma () const;
protected slots:
void recalculateGammaLabel ();
void resetBrightness ();
void resetContrast ();
void resetGamma ();
void resetAll ();
protected:
KIntNumInput *m_brightnessInput,
*m_contrastInput,
*m_gammaInput;
TQLabel *m_gammaLabel;
KComboBox *m_channelsComboBox;
};
#endif // KP_EFFECT_BALANCE_H