uihistogramdisplay.h

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#ifndef uihistogramdisplay_h
#define uihistogramdisplay_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Umesh Sinha
 Date:          Dec 2008
 RCS:           $Id$
________________________________________________________________________

-*/

#include "uitoolsmod.h"
#include "uifunctiondisplay.h"
#include "datapack.h"

class uiTextItem;
template <class T> class Array2D;
template <class T> class Array3D;
namespace Stats { template <class T> class ParallelCalc; }

class DataPointSet;

mExpClass(uiTools) uiHistogramDisplay : public uiFunctionDisplay
{ mODTextTranslationClass(uiHistogramDisplay);
public:

                                uiHistogramDisplay(uiParent*,Setup&,
                                                   bool withheader=false);
                                ~uiHistogramDisplay();

    void                        setEmpty();
    bool                        setDataPackID(DataPack::ID,DataPackMgr::ID,
                                              int version);
    void                        setData(const float*,int sz);
    void                        setData(const Array2D<float>*);
    void                        setData(const DataPointSet&,int colid=2);

    void                        useDrawRange(bool yn);
    const Interval<float>&      getDrawRange() const    { return mydrawrg_; }
    void                        setDrawRange(const Interval<float>&);
    Notifier<uiHistogramDisplay> drawRangeChanged;

    void                        setHistogram(const TypeSet<float>&,
                                             Interval<float>,int N=-1);

    const Stats::ParallelCalc<float>&   getStatCalc()   { return rc_; }
    int                         nrInpVals() const       { return nrinpvals_; }
    int                         nrClasses() const       { return nrclasses_; }
    void                        putN();

protected:

    Stats::ParallelCalc<float>& rc_;
    int                         nrinpvals_;
    int                         nrclasses_;
    bool                        withheader_;
    uiTextItem*                 header_ = nullptr;
    uiTextItem*                 nitm_ = nullptr;
    ObjectSet<uiRectItem>       baritems_;

    Interval<float>             mydrawrg_;
    bool                        usemydrawrg_;
    TypeSet<float>              mydisplaydata_;
    TypeSet<float>              originaldata_;

    void                        updateAndDraw();
    void                        updateHistogram();

public:
    void                        setData(const Array3D<float>*);
    virtual void                drawData();

};


#endif