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

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

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

class GEOAPI XPointList : public DList<XPoint>
{
public:
	
	XPointList();
	
	XPointList(const XPointList &src);

	~XPointList();
	
	virtual void AppendNode(const XPoint &pt, ads_real dBulge = 0.0);

	XPointList & operator = (const XPointList& src);

	void TransUCS(const resbuf *pFrom, const resbuf *pTo);
	
	void TransUCS(ads_matrix mat);
	
	int GetExtend(ads_point ptMin, ads_point ptMax);

	int GetExtend(ads_point ptMin, ads_point ptMax) const;
	
	XPoint *FindPoint(const XPoint &ptSrc);
	
	void Center(ads_point ptCen);
	
	void AsPoly2D(XPointList &poly) const;
	
	void SetElevation(ads_real dElev); 
	
	//如果不存在,则末尾添入, 返回点的位置序号
	int NewAppend(const XPoint& ptSrc);
};

#endif