uigvfreehandareaselectiontool.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Ranojay
 Date:          Nov 2015
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
#include "uitoolsmod.h"
#include "callback.h"
 
class uiGraphicsView;
class uiPolygonItem;
template <class T> class ODPolygon;
 
mExpClass(uiTools) uiGVFreehandAreaSelectionTool : public CallBacker
{
public:
 
                        uiGVFreehandAreaSelectionTool(uiGraphicsView&);
                        ~uiGVFreehandAreaSelectionTool();
 
    void                enable();
    void                disable();
    bool                isEnabled() const { return enabled_; }
 
    void                setPolygonMode(bool);
    bool                isPolygonMode() const;
 
    const ODPolygon<int>& selection() const { return odpolygon_; }
 
    Notifier<uiGVFreehandAreaSelectionTool>     started;
    Notifier<uiGVFreehandAreaSelectionTool>     pointAdded;
    Notifier<uiGVFreehandAreaSelectionTool>     stopped;
 
protected:
 
    uiGraphicsView&     gv_;
    uiPolygonItem*      polygonselitem_;
    ODPolygon<int>&     odpolygon_;
 
    
    bool                ispolygonmode_;
    bool                enabled_;
 
    void                mousePressCB(CallBacker*);
    void                mouseReleaseCB(CallBacker*);
    void                mouseMoveCB(CallBacker*);
};