//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TPGeExtend2D 类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TPGeExtend2D 声明
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#ifndef _TPGEEXTEND2D_H_
#define _TPGEEXTEND2D_H_

#ifndef _TPGEEXTEND_H_
#include "TPGeExtend.h"
#endif

class GEOAPI TPGeExtend2D
{
public:

	TPGeExtend2D(double xMin = 0,double xMax = 0,double yMin = 0,double yMax = 0);

	TPGeExtend2D(const TPGeExtend& xExt,const TPGeExtend& yExt);
	
	virtual ~TPGeExtend2D();
	
	virtual bool IsSameWith(const TPGeExtend2D*pExt) const;

	void SetRange(double xMin,double xMax,double yMin,double yMax);

	void SetRange(const TPGeExtend& xExt,const TPGeExtend& yExt);

	TPGeExtend GetXExtend() const;

	TPGeExtend GetYExtend() const;
	
	double GetLength() const;
	
	double GetHeight() const;
	
	double GetArea() const;
	
	bool IsValid() const;

	bool operator == (const TPGeExtend2D& ext) const;
	
	bool operator != (const TPGeExtend2D& ext) const;
	
	bool operator >  (const TPGeExtend2D& ext) const;
	
	bool operator >= (const TPGeExtend2D& ext) const;
	
	bool operator <  (const TPGeExtend2D& ext) const;
	
	bool operator <= (const TPGeExtend2D& ext) const;

	bool IsInclude(double x,double y) const;
	
	bool IsInside(double x,double y) const;
	
	bool IsInside(const TPGeExtend2D& ext) const;
	
	bool IsInclude(const TPGeExtend2D& ext) const;
	
	bool IsIntersect(const TPGeExtend2D& ext) const;
	
	bool IsConnect(const TPGeExtend2D& ext) const;

	TPGeExtend2D operator & (const TPGeExtend2D& ext) const;

	TPGeExtend2D operator + (const TPGeExtend2D& ext) const;
	
	TPGeExtend2D& operator += (const TPGeExtend2D& ext);
	
	void Inflate(double d);

public:

	TPGeExtend m_xExt,m_yExt;
};

#endif