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koffice/chalk/plugins/filters/colorsfilters/kis_perchannel_filter.h

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/*
* This file is part of Chalk
*
* Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
*
* 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 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _KIS_PERCHANNEL_FILTER_H_
#define _KIS_PERCHANNEL_FILTER_H_
#include <tqpair.h>
#include <tqptrlist.h>
#include "kis_filter.h"
#include "kis_filter_configuration.h"
#include "kis_filter_config_widget.h"
class WdgPerChannel;
class KisPerChannelFilterConfiguration
: public KisFilterConfiguration
{
public:
KisPerChannelFilterConfiguration(int n);
~KisPerChannelFilterConfiguration();
virtual void fromXML( const TQString& );
virtual TQString toString();
public:
TQPtrList<TQPair<double,double> > *curves;
TQ_UINT16 *transfers[256];
TQ_UINT16 nTransfers;
// Caching of adjustment
bool dirty;
KisColorSpace* oldCs;
KisColorAdjustment* adjustment;
};
/**
* This class is generic for filters that affect channel separately
*/
class KisPerChannelFilter
: public KisFilter
{
public:
KisPerChannelFilter() : KisFilter( id(), "adjust", i18n("&Color Adjustment...")) {};
public:
virtual KisFilterConfigWidget * createConfigurationWidget(TQWidget* parent, KisPaintDeviceSP dev);
virtual KisFilterConfiguration* configuration(TQWidget*);
virtual KisFilterConfiguration* configuration() { return new KisPerChannelFilterConfiguration(0); };
virtual void process(KisPaintDeviceSP, KisPaintDeviceSP, KisFilterConfiguration* , const TQRect&);
static inline KisID id() { return KisID("perchannel", i18n("Color Adjustment")); };
virtual bool supportsPainting() { return true; }
virtual bool supportsPreview() { return true; }
virtual bool supportsIncrementalPainting() { return false; }
virtual std::list<KisFilterConfiguration*> listOfExamplesConfiguration(KisPaintDeviceSP dev);
virtual ColorSpaceIndependence colorSpaceIndependence() { return TO_LAB16; };
private:
};
class KisPerChannelConfigWidget : public KisFilterConfigWidget {
typedef KisFilterConfigWidget super;
Q_OBJECT
public:
KisPerChannelConfigWidget(TQWidget * parent, KisPaintDeviceSP dev, const char * name = 0, WFlags f = 0 );
virtual ~KisPerChannelConfigWidget() {};
KisPerChannelFilterConfiguration * config();
void setConfiguration(KisFilterConfiguration * config);
private slots:
virtual void setActiveChannel(int ch);
private:
WdgPerChannel * m_page;
KisPaintDeviceSP m_dev;
KisHistogram *m_histogram;
TQPtrList<TQPair<double,double> > *m_curves;
int m_activeCh;
};
#endif