#pragma once
#include "GeLinearEnt.h"
#include "pointlist.h"

class GeArc;
class GeCircle;
class EntitySet;
class GePoly;
class GeLine : public GeLinearEnt
{
public:
	GeLine(const GeLine& src);
	GeLine(int nflag = LS_INFINITE);
	GeLine(const ADSGePoint3d& ptThrough, ads_real dDrt);
	GeLine(const ads_point p1, const ads_point p2, int _flag = LS_INFINITE);
	GeLine(const EntitySet& entLine, int _flag = LS_INFINITE,  ads_matrix tranMat = NULL);

	virtual ~GeLine();

	virtual bool IsKindOf(TEntityId entType) const;
	virtual TEntityId Type() const;
	
	virtual void TransUCS(const resbuf *pfrom, const resbuf *pto);
	
	virtual void Reverse();
	virtual ads_real PathArea() 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 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);

	virtual	int Intersection(const GeLine* pLine, ads_point ptrp = NULL) const;
	virtual	int Intersection(GePoly* pPoly, class PointList& pts) const;

	int operator ! () const;
	GeLine& operator = (const GeLine& aLine);
	int operator != (const GeLine & aLine) const;
	bool operator == (const GeLine & aLine) const;
	
	virtual	int OnWhichSide(const ADSGePoint3d &ptsrc) const;
	virtual	int Modify(const EntitySet* pEntity) const;
	virtual	int GetSubLine(const ADSGePoint3d &loc, ads_real dist, GeLine &res) const;

	virtual	void SetElevation(ads_real delev);
	
	virtual	ads_real Direction() const;	
	virtual	TVector3D Direction3d() const;

	virtual	ads_real* NearPoint(const ads_point pt0);
	virtual	ads_real* FarPoint(const ads_point pt0);
	
	virtual	GeLine Offset(ads_real dist) const;

	virtual void SetLineFlag(int nFlag);
	virtual int GetLineFlag() const;

	void SetStartPoint(ADSGePoint3d ptStart);
	void GetStartPoint(ADSGePoint3d& ptStart);
	ADSGePoint3d GetStartPoint() const;
	
	void SetEndPoint(ADSGePoint3d ptEnd);
	void GetEndPoint(ADSGePoint3d& ptEnd);
	ADSGePoint3d GetEndPoint() const;

	ADSGePoint3d& StartPoint();
	ADSGePoint3d& EndPoint();

	ADSGePoint3d& StartPoint() const;
	ADSGePoint3d& EndPoint() const;

	void MidPoint(ADSGePoint3d &ptres) const;
	ADSGePoint3d MidPoint() const;

public:
	ADSGePoint3d m_startPoint;
	ADSGePoint3d m_endPoint;
	int			  m_nFlag;
};