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