//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, SH Software Co. Ltd.
// = FileName	:   XEntity 类
// = Version	:   ver2.0
// = Author		:   zjq
// = CreateDate	:   2002-09-09
// = Description:   XEntity 类声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _XENTITY_H_
#define _XENTITY_H_

#ifndef  _XPOINT_H_
#include "XPoint.h"
#endif

class GEOAPI XEntity
{
public:
	enum TEntityId
	{
		eEntity,
		e3DFace,
		ePlane,
		eHatch,
		eCurve,
		eShape,
		eCircle,
		eArc,
		eLinearEnt,
		eLine,
		eCurveSegment,
		eAFace3D,
		eDbCurveSegEntity,
		eRegionSide,
		eDirectionCurve,
		eCurveSegSeg,
		eCurveSegunique,
		ePoly,
		ePolygonEx,
		ePoly2D,
		ePoly3D,
		eRegion2D
	};

	virtual bool IsKindOf(TEntityId entType) const;
	virtual TEntityId Type() const;
	virtual void CopyFrom(const XEntity* pImpSrc);

	virtual void TransformBy(ads_matrix mat);
	virtual int GetExtend(XPoint &ptlow, XPoint &ptup) const;
	//图形长度，周长
	virtual double GetLength() const;
	
	virtual int Make(const TCHAR *szlay = NULL) const;
	virtual int MakeEntity(const Entity* pEntity) const;
	virtual int HitTest2d(const XPoint &ptTest) const;

	virtual int OSnap(int nMode, XPoint &ptPick) const;

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

#endif