//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGGePolyÀà
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TGGePolyÀàÉùÃ÷
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TGGEPOLY_H_
#define _TGGEPOLY_H_

#ifndef _TADSGEPOINTLIST_H_
#include "TADSGePointList.h"
#endif

#ifndef _TENTITYSET_H_
#include "TEntitySet.h"
#endif

#ifndef _TGGESHAPE_H_
#include "TGGeShape.h"
#endif

class TGGeShape;
class TGGeLine;
class GEOAPI TGGePoly : public TGGeShape, public TADSGePointList
{
public:

	TGGePoly();
	TGGePoly(resbuf *pts);
	TGGePoly(const TEntitySet &entPLine);
	TGGePoly(const TGGePoly &src);

	virtual ~TGGePoly();

	virtual bool IsKindOf(TEntityId entType) const;
	virtual TEntityId Type() const;
	virtual void CopyFrom(const TGGeEntity* pSrc);
	
	virtual ShapeType GetShapeType () const;
	virtual void Center(ads_point ptCen);
	
	virtual	TGGePoly& operator = (const TGGePoly &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, TGGeLine &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(TADSGePoint3d &ptlow, TADSGePoint3d &ptup) const;
};

#endif