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

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

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

class GEOAPI TGGeDbCurveEntity
{
public:

	virtual ~TGGeDbCurveEntity(){};
	
	virtual AcDbEntity* CreateAcDbEntity()const{return NULL;}		//外部释放
	
	virtual void CutBy(const TGGePoly2D &poly,TDPtrList<TGGeDbCurveEntity>&lstIn,TDPtrList<TGGeDbCurveEntity>&lstOut,TDPtrList<TGGeDbCurveEntity>&lstEdge)const{};

public:
	
	static TGGeDbCurveEntity* CreateFrom(const AcDbEntity&ent);
};
#endif