#pragma once
#include "GeCurve.h"

class GeArc;
class GeCircle;
class GeLinearEnt : public GeCurve
{
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;

	//  0--错误；1－左边；2－右边；3－起始点；4－终止点；5－线内；6－起始侧延长线；7－终止侧延长线
	virtual int HitTest2d(const ADSGePoint3d &ptTest) const;

	virtual ADSGePoint3d MidPoint() const;
	virtual void SetPoints(const ADSGePoint3d& pt1, const ADSGePoint3d& pt2);
	virtual int OSnap(int nMode, ADSGePoint3d &ptPick) const;
	virtual int Intersection(const GeArc* pArc, ads_point ptrp1 = NULL, ads_point ptrp2 = NULL) const;
	virtual int Intersection(const GeCircle* pCircle, ads_point ptrp1 = NULL, ads_point ptrp2 = NULL) const;
	virtual void CopyFrom(const GeEntity* pImpSrc);

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