// Copyright (C), 1998-2007, Beijing Tangent Engineering Software Co. Ltd.
// = FileName:     CADEnt.h
// = Version:      8.5
// = Author:       lgh
// = Date:         2010-9-27 9:29:53
// = Description:  用来处理跟CAD中实体的关联。
// = Maintainers:
#pragma once
#include "commonRoad.h"

// CAD实体类，用于跟CAD中的数据做关联控制，
// id对应的数据可能会被销毁，但是其几何信息需要保留
// 因此，需要单独保留一份关于该实体的几何信息。
class CCADEnt
{
public:
	CCADEnt(): m_id() {m_id.setNull();}
	CCADEnt(AcDbObjectId id) : m_id(id) {}
	virtual ~CCADEnt(void){}
	
	BOOL Erase();
	BOOL IsErased() const;
	AcDbObjectId ObjId() const {return m_id;}

protected:
	AcDbObjectId m_id;
};

class CLineCADEnt : public CCADEnt
{
public:
	CLineCADEnt() : CCADEnt(){}
	CLineCADEnt(AcDbObjectId id);
	virtual ~CLineCADEnt(void) {};

	AcGeLineSeg2d Line() const{return m_line;}

private:
	AcGeLineSeg2d m_line;
};

class CArcCADEnt : public CCADEnt
{
public:
	CArcCADEnt() : CCADEnt(){}
	CArcCADEnt(AcDbObjectId id);
	virtual ~CArcCADEnt(void){}

	AcGeCircArc2d Arc() const{return m_arc;}

private:
	AcGeCircArc2d m_arc;
};


typedef AcArray<CLineCADEnt*> ArLineEntPointer;
typedef AcArray<CArcCADEnt*> ArArcEntPointer;