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

#ifndef _XSIDEVECTOR_H_
#include "XSideVector.h"
#endif

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

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

class XRegionSide;

// 排序边表,连接在一个点上的所有边
class GEOAPI XSortSideOnVertex : public DList<XSideVector> 
{
public:

   XSortSideOnVertex(const XPoint &ptLoc);
   virtual ~XSortSideOnVertex();
   
   BOOL Include(const XPoint &pt) const;
   
   int Insert(XRegionSide *pSide);
   
   XSideVector * GetPrevSide(int iVal) const;
   
   XSideVector * GetNextSide(int iVal) const;

public:
	
	XPoint m_ptLoc;
	
	XPoint m_ptMin, m_ptMax;
};

#endif