uihistogramsel.h

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#ifndef uihistogramsel_h
#define uihistogramsel_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Raman Singh
 Date:          May 2018
________________________________________________________________________

-*/

#include "uitoolsmod.h"
#include "uigroup.h"
#include "uihistogramdisplay.h"


mExpClass(uiTools) uiHistogramSel : public uiGroup
{
public:
                                uiHistogramSel(uiParent*,
                                               const uiHistogramDisplay::Setup&,
                                               int an_id=0);
                                ~uiHistogramSel();

    int                         ID() const              { return id_; }
    void                        setID( int id )         { id_ = id; }

    void                        setEmpty();
    bool                        setDataPackID(DataPack::ID,DataPackMgr::ID,
                                              int version);
    void                        setData(const Array2D<float>*);
    void                        setData(const float*,int sz);
    void                        setMarkValue(float,bool forx);

    const Interval<float>&      getDataRange() const    { return datarg_; }
    void                        setDataRange(const Interval<float>&);
    const Interval<float>&      getSelRange() const     { return cliprg_; }
    void                        setSelRange(const Interval<float>&);

    uiHistogramDisplay&         getDisplay()    { return *histogramdisp_; }

    Notifier<uiHistogramSel>    rangeChanged;

protected:

    int                         id_;
    uiHistogramDisplay*         histogramdisp_;
    uiAxisHandler*              xax_;

    uiLineItem*                 minhandle_;
    uiLineItem*                 maxhandle_;
    uiTextItem*                 minvaltext_;
    uiTextItem*                 maxvaltext_;

    Interval<float>             datarg_;
    Interval<float>             cliprg_;
    int                         startpix_;
    int                         stoppix_;

    bool                        mousedown_;

    virtual void                drawAgain();
    virtual void                useClipRange()  {}

    void                        init();
    void                        drawText();
    void                        drawLines();
    bool                        changeLinePos(bool pressedonly=false);

    void                        mousePressed(CallBacker*);
    void                        mouseMoved(CallBacker*);
    void                        mouseReleased(CallBacker*);

    void                        histogramResized(CallBacker*);
    void                        histDRChanged(CallBacker*);
};

#endif