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

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

#ifndef _XCURVESEGMENT_H_
#include "XCurveSegment.h"
#endif

#ifndef _XREGION_H_
#include "XRegion.h"
#endif

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

#ifndef _XSortSideOnVertex_H_
#include "XSortSideOnVertex.h"
#endif

class GEOAPI XSearchRegionFromCurve 
{
public:
	
	XSearchRegionFromCurve();
	
	virtual ~XSearchRegionFromCurve();
	
	void _XSearchRegionFromCurve();

	void InitStart(const DList<XCurveSegment> &lstSegs);

	//返回最大外区域
	XRegion * SearchRegions(); 
	
	XRegionSide * HitTest(XPoint ptMid);

	//移除重合的区域,返回移除的数目
	int RemoveDupRegions(); 
	
	//求最外区域,返回数目
	int GetOutsideRegions(DList<int> &lstOutIndex) const; 
	
	//求最外区域,返回数目
	int GetOutsideRegions1(DList<int> &lstOutIndex) const;
	
	// 找墙的左右房间
	int SerachTwoRegion(XRegionSide &aSide, XRegion &lRegion, XRegion &rRegion);
	
public:
	
	static DList<XSortSideOnVertex> g_lstAllSortSides;
	
	DList<XRegionSide> m_sides;
	
	DList<XRegion> m_regions;

private:
	
	// 新添SortWallOnPt 到全局变量GlobalSortWalls
	void NewAppend(XRegionSide *pWall);
	
	// 从初始组中移邻接的区域到当前组, 返回移动的数目
	BOOL AddAdjacentRegion(DList<int> &curGroup, DList<int> &initGroup) const;
	
	int ComparePointBySortXY(const XPoint *p1, const XPoint *p2);

private:
	
	static TCHAR s_chConstructed;
};

#endif