#pragma once
#include "GeEntity.h"

class GeCurve : public GeEntity
{
public:

	virtual bool IsKindOf(TEntityId entType) const;
	virtual TEntityId Type() const;

	virtual void TransformBy(ads_matrix mat);
	virtual int GetExtend(ADSGePoint3d &ptlow, ADSGePoint3d &ptup) const;
	//图形长度，周长
	virtual ads_real GetLength() const;		
	virtual int Make(const TCHAR *szlay = NULL) const;
	virtual int MakeEntity(const EntitySet* pEntity) const;
	virtual int HitTest2d(const ADSGePoint3d &ptTest) const;
	virtual int OSnap(int nMode, ADSGePoint3d &ptPick) const;

protected:
			 GeCurve();
	virtual ~GeCurve();
};