//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGGeRegion2D 类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TGGeRegion2D 类声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TGGEREGION2D_H_
#define _TGGEREGION2D_H_

#ifndef _TGGEPOLY2D_H_
#include "TGGePoly2D.h"
#endif

#ifndef _TDPTRLIST_H_
#include "TDPtrList.h" 
#endif

class GEOAPI TGGeRegion2D : public TGGePoly2D
{
public:
	
	TGGeRegion2D();

	TGGeRegion2D(const TGGePoly2D & poly);

	virtual ~TGGeRegion2D();

	virtual bool IsKindOf(TEntityId entType) const;
	virtual TEntityId Type() const;
	
	void AppendHole(TGGePoly2D * pPoly);

	void ClearHole();

	long GetHoleNum()const;

	const TGGePoly2D& GetHole(long i)const;
	TGGePoly2D& GetHole(long i);

	int HitTest2d(TADSGePoint3d pt)const;

	virtual double Area()const;

	bool IsValid()const;
    
	//外部负责释放
	virtual AcDbRegion *AsRegion() const;
public:
	TDPtrList<TGGePoly2D> m_lstHole;
};

#endif