visarrow.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        N. Hemstra
 Date:          January 2005
 RCS:           $Id$
________________________________________________________________________
 
 
-*/
 
#include "vislocationdisplay.h"
 
namespace visBase { class IndexedPolyLine; class DrawStyle; };
 
namespace Annotations
{
 
mClass(Annotations) ArrowDisplay : public visSurvey::LocationDisplay
{
public:
    static ArrowDisplay*        create()
                                mCreateDataObj(ArrowDisplay);
                                ~ArrowDisplay();
 
    void                        setScene( visSurvey::Scene* );
 
    enum Type                   { Top, Bottom, Double };
    void                        setType(Type);
    Type                        getType() const;
 
    void                        setLineWidth( int );
    int                         getLineWidth() const;
 
protected:
 
    void                        zScaleCB(CallBacker*);
    void                        dispChg(CallBacker*);
    visBase::VisualObject*      createLocation() const;
    void                setPosition(int,const Pick::Location&);
    bool                hasDirection() const { return true; }
 
    void                updateLineShape(visBase::IndexedPolyLine*) const;
    int                 isMarkerClick(const TypeSet<int>& path) const;
 
    Type                arrowtype_;
    visBase::DrawStyle* linestyle_;
};
 
 
} // namespace visBase