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

#ifndef _XPOINTLISTT_H_
#include "XPointList.h"
#endif

#ifndef _ENTITY_H_
#include "Entity.h"
#endif

#ifndef _XSHAPE_H_
#include "XCell.h"
#endif

class XCell;
class XLine;
class GEOAPI XPoly : public XCell, public XPointList
{
public:

	XPoly();
	XPoly(resbuf *pts);
	XPoly(const Entity &entPLine);
	XPoly(const XPoly &src);

	virtual ~XPoly();

	virtual bool IsKindOf(TEntityId entType) const;
	virtual TEntityId Type() const;
	virtual void CopyFrom(const XEntity* pSrc);
	
	virtual ShapeType GetShapeType () const;
	virtual void Center(ads_point ptCen);
	
	virtual	XPoly& operator = (const XPoly &src);
	virtual	int	   operator ! ();
	
	virtual	int IsPoint();
	virtual	int IsLinear();
	virtual	int IsRectAngle(ads_point ptcen = NULL, ads_real *pdwidth = NULL, ads_real *pdheight = NULL);
	
	virtual	int NthLine(int index, XLine &res);
	virtual	int CreatePface(const TCHAR *szlay = NULL);
	
	virtual	resbuf *Fence();
	virtual	resbuf *Polygon();
	virtual	resbuf *ResbufList(int nIsClosed = 0);
	
	virtual	ads_real PathArea();
	virtual	ads_real Area();

	virtual int GetExtend(XPoint &ptlow, XPoint &ptup) const;
};

#endif