visscalebar.h

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#ifndef visscalebar_h
#define visscalebar_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        N. Hemstra
 Date:          January 2005
 RCS:           $Id$
________________________________________________________________________


-*/
#include "visbasemod.h"

#include "visobject.h"

class Color;
namespace Pick { class Location; }

namespace visBase
{ 
    class DrawStyle; 
    class Lines;
    class MarkerSet;
    class DataObjectGroup;
    class Transformation;

mExpClass(visBase) ScaleBar : public visBase::VisualObjectImpl
{
public:
    static ScaleBar*            create()
                                mCreateDataObj(ScaleBar);

    void                        setPick(const Pick::Location&);
    
    void                        setLineWidth(int);
    void                        setLength(double);

    void                        setOnInlCrl(bool);
    void                        setOrientation(int);
    void                        setColor(Color c);
    Coord3                      getPos() const { return pos_; }

    void                        setDisplayTransformation(const mVisTrans*);

protected:
                                ~ScaleBar();

    Coord3                      getSecondPos(const Pick::Location&) const;
    void                        updateVis(const Pick::Location&);

    visBase::MarkerSet*         markers_;
    visBase::Lines*             lines_;
    visBase::DrawStyle*         linestyle_;
    const mVisTrans*            displaytrans_;

    bool                        oninlcrl_;
    double                      length_;
    int                         orientation_;
    Coord3                      pos_;
    Pick::Location&             firstloc_;
};

} //visBase

#endif