kis_basic_histogram_producers.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_BASIC_HISTOGRAM_PRODUCERS_
#define _KIS_BASIC_HISTOGRAM_PRODUCERS_
 
#include <tqvaluevector.h>
#include <tdelocale.h>
 
#include "config.h"
 
#include "kis_histogram_producer.h"
#include "kis_colorspace.h"
#include "kis_id.h"
 
class KisLabColorSpace;
 
class KisBasicHistogramProducer : public KisHistogramProducer {
public:
    KisBasicHistogramProducer(const KisID& id, int channels, int nrOfBins, KisColorSpace *colorSpace);
    virtual ~KisBasicHistogramProducer() {}
 
    virtual void clear();
 
    virtual void setView(double from, double size) { m_from = from; m_width = size; }
 
    virtual const KisID& id() const { return m_id; }
    virtual TQValueVector<KisChannelInfo *> channels() { return m_colorSpace->channels(); }
    virtual TQ_INT32 numberOfBins() { return m_nrOfBins; }
    virtual double viewFrom() const { return m_from; }
    virtual double viewWidth() const { return m_width; }
 
    virtual TQ_INT32 count() { return m_count; }
 
    virtual TQ_INT32 getBinAt(int channel, int position)
        { return m_bins.at(externalToInternal(channel)).at(position); }
 
    virtual TQ_INT32 outOfViewLeft(int channel)
        { return m_outLeft.at(externalToInternal(channel)); }
 
    virtual TQ_INT32 outOfViewRight(int channel)
        { return m_outRight.at(externalToInternal(channel)); }
 
protected:
    virtual int externalToInternal(int ext) {
        if (channels().count() > 0 && m_external.count() == 0) // Set up the translation table
            makeExternalToInternal();
        return m_external.at(ext);
    }
    // not virtual since that is useless: we call it from constructor
    void makeExternalToInternal();
    typedef TQValueVector<TQ_UINT32> vBins;
    TQValueVector<vBins> m_bins;
    vBins m_outLeft, m_outRight;
    double m_from, m_width;
    TQ_INT32 m_count;
    int m_channels, m_nrOfBins;
    KisColorSpace *m_colorSpace;
    KisID m_id;
    TQValueVector<TQ_INT32> m_external;
};
 
class KisBasicU8HistogramProducer : public KisBasicHistogramProducer {
public:
    KisBasicU8HistogramProducer(const KisID& id, KisColorSpace *colorSpace);
    virtual void addRegionToBin(TQ_UINT8 * pixels, TQ_UINT8 * selectionMask, TQ_UINT32 nPixels, KisColorSpace *colorSpace);
    virtual TQString positionToString(double pos) const;
    virtual double maximalZoom() const { return 1.0; }
};
 
class KisBasicU16HistogramProducer : public KisBasicHistogramProducer {
public:
    KisBasicU16HistogramProducer(const KisID& id, KisColorSpace *colorSpace);
    virtual void addRegionToBin(TQ_UINT8 * pixels, TQ_UINT8 * selectionMask, TQ_UINT32 nPixels, KisColorSpace *colorSpace);
    virtual TQString positionToString(double pos) const;
    virtual double maximalZoom() const;
};
 
class KisBasicF32HistogramProducer : public KisBasicHistogramProducer {
public:
    KisBasicF32HistogramProducer(const KisID& id, KisColorSpace *colorSpace);
    virtual void addRegionToBin(TQ_UINT8 * pixels, TQ_UINT8 * selectionMask, TQ_UINT32 nPixels, KisColorSpace *colorSpace);
    virtual TQString positionToString(double pos) const;
    virtual double maximalZoom() const;
};
 
#ifdef HAVE_OPENEXR
class KisBasicF16HalfHistogramProducer : public KisBasicHistogramProducer {
public:
    KisBasicF16HalfHistogramProducer(const KisID& id, KisColorSpace *colorSpace);
    virtual void addRegionToBin(TQ_UINT8 * pixels, TQ_UINT8 * selectionMask, TQ_UINT32 nPixels, KisColorSpace *colorSpace);
    virtual TQString positionToString(double pos) const;
    virtual double maximalZoom() const;
};
#endif

template<class T> class KisBasicHistogramProducerFactory : public KisHistogramProducerFactory {
public:
    KisBasicHistogramProducerFactory(const KisID& id, KisColorSpace *colorSpace)
        : KisHistogramProducerFactory(id), m_cs(colorSpace) {}
    virtual ~KisBasicHistogramProducerFactory() {}
    virtual KisHistogramProducerSP generate() { return new T(id(), m_cs); }
    virtual bool isCompatibleWith(KisColorSpace* colorSpace) const { return colorSpace->id() == m_cs->id(); }
    virtual float preferrednessLevelWith(KisColorSpace* /*colorSpace*/) const { return 1.0; }
protected:
    KisColorSpace *m_cs;
};

class KisGenericRGBHistogramProducer : public KisBasicHistogramProducer {
public:
    KisGenericRGBHistogramProducer();
    virtual void addRegionToBin(TQ_UINT8 * pixels, TQ_UINT8 * selectionMask, TQ_UINT32 nPixels, KisColorSpace *colorSpace);
    virtual TQString positionToString(double pos) const;
    virtual double maximalZoom() const;
    virtual TQValueVector<KisChannelInfo *> channels();
protected:
    TQValueVector<KisChannelInfo *> m_channelsList;
};

class KisGenericRGBHistogramProducerFactory : public KisHistogramProducerFactory {
public:
    KisGenericRGBHistogramProducerFactory()
        : KisHistogramProducerFactory(KisID("GENRGBHISTO", i18n("Generic RGB"))) {}
    virtual ~KisGenericRGBHistogramProducerFactory() {}
    virtual KisHistogramProducerSP generate() { return new KisGenericRGBHistogramProducer(); }
    virtual bool isCompatibleWith(KisColorSpace*) const { return true; }
    virtual float preferrednessLevelWith(KisColorSpace*) const { return 0.0; }
};
 

class KisGenericLabHistogramProducer : public KisBasicHistogramProducer {
    public:
        KisGenericLabHistogramProducer();
        virtual ~KisGenericLabHistogramProducer();
        virtual void addRegionToBin(TQ_UINT8 * pixels, TQ_UINT8 * selectionMask, TQ_UINT32 nPixels, KisColorSpace *colorSpace);
        virtual TQString positionToString(double pos) const;
        virtual double maximalZoom() const;
        virtual TQValueVector<KisChannelInfo *> channels();
    protected:
        TQValueVector<KisChannelInfo *> m_channelsList;
    private:
        static KisLabColorSpace* m_labCs;
};

class KisGenericLabHistogramProducerFactory : public KisHistogramProducerFactory {
    public:
        KisGenericLabHistogramProducerFactory()
    : KisHistogramProducerFactory(KisID("GENLABHISTO", i18n("Generic L*a*b*"))) {}
        virtual ~KisGenericLabHistogramProducerFactory() {}
        virtual KisHistogramProducerSP generate() { return new KisGenericLabHistogramProducer(); }
        virtual bool isCompatibleWith(KisColorSpace*) const { return true; }
        virtual float preferrednessLevelWith(KisColorSpace*) const { return 0.0; }
};
 
 
#endif // _KIS_BASIC_HISTOGRAM_PRODUCERS_