kis_histogram_view.h

/*
 *  Copyright (c) 2005 Bart Coppens <kde@bartcoppens.be>
 *
 *  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_HISTOGRAM_VIEW_
#define _KIS_HISTOGRAM_VIEW_
 
#include <tqlabel.h>
#include <tqpixmap.h>
#include <tqvaluevector.h>
#include <tqstringlist.h>
 
#include "kis_types.h"
#include "kis_histogram_producer.h"
#include "kis_histogram.h"
 
class KisChannelInfo;

class KisHistogramView : public TQLabel {
    TQ_OBJECT
  
public:
    KisHistogramView(TQWidget *parent = 0, const char *name = 0, WFlags f = 0);
    virtual ~KisHistogramView();
 
    void setPaintDevice(KisPaintDeviceSP dev);
    void setHistogram(KisHistogramSP histogram);
    void setView(double from, double size);
    KisHistogramProducerSP currentProducer();
    TQStringList channelStrings();
    KisIDList listProducers();
    void setCurrentChannels(const KisID& producerID, TQValueVector<KisChannelInfo *> channels);
    void setCurrentChannels(KisHistogramProducerSP producer, TQValueVector<KisChannelInfo *> channels);
    bool hasColor();
    void setColor(bool set);
 
public slots:
    void setActiveChannel(int channel);
    void setHistogramType(enumHistogramType type);
    void updateHistogram();
 
signals:
    void rightClicked(const TQPoint& pos);
 
protected:
    virtual void mousePressEvent(TQMouseEvent * e);
 
private:
    void setChannels();
    void addProducerChannels(KisHistogramProducerSP producer);
 
    typedef struct {
        bool isProducer;
        KisHistogramProducerSP producer;
        KisChannelInfo * channel;
    } ComboboxInfo;
 
    TQValueVector<ComboboxInfo> m_comboInfo;
    TQPixmap m_pix;
    KisHistogramSP m_histogram;
    KisColorSpace* m_cs;
    KisHistogramProducerSP m_currentProducer;
    TQValueVector<KisChannelInfo *> m_channels;
    // Maps the channels in m_channels to a real channel offset in the producer->channels()
    TQValueVector<TQ_INT32> m_channelToOffset;
    TQStringList m_channelStrings;
    bool m_color;
    double m_from;
    double m_width;
};
 
#endif // _KIS_HISTOGRAM_VIEW_