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

#ifndef _XREGIONSIDE_H_
#include "XRegionSide.h"
#endif

#ifndef _DSTACK_H_
#include "DStack.h"
#endif

#ifndef _XPOLY2D_H_
#include "XPoly2D.h"
#endif

#ifndef _DLIST_H_
#include "DList.h" 
#endif

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

class GEOAPI XRegion : public DStack<XRegionSide> 
{
public:
	
	XRegion();
	
	~XRegion();
	
	int ShowMe() const;
	
	ads_real PathArea() const;
	
	int CenterPoly2D(XPoly2D &poly) const;
	
	//求房间中心线的界限
	int GetExtend(XPoint &ptLow, XPoint &ptUp) const; 
	
	BOOL IsEqualTo(const XRegion &region) const;
	
	BOOL IsAdjacentTo(const XRegion &region) const;
	
	//nFlag--0, 内； 1--外
	XPoint GetPoint(int nFlag, double nDist) const;

public:

	// 全局房间号
	static int g_nGlobalIndex;             
	
	//全局所有房间的链表
	static DList<XRegion> *g_pAllSpaces;  

	// 房间号
	int m_nIndex;                      
};

#endif