#pragma once
#include "GePoly2D.h"
#include "superlist.h"

class GeDbCurveEntity
{
public:

	virtual ~GeDbCurveEntity(){};
	
	virtual AcDbEntity* CreateAcDbEntity()const{return NULL;}		//外部释放
	
	virtual void CutBy(const GePoly2D &poly,PtrList<GeDbCurveEntity>&lstIn,PtrList<GeDbCurveEntity>&lstOut,PtrList<GeDbCurveEntity>&lstEdge)const{};

public:
	
	static GeDbCurveEntity* CreateFrom(const AcDbEntity&ent);
};