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

#ifndef _TGGEPOLY2D_H_
#include "TGGePoly2D.h"
#endif

class GEOAPI TGGeHatch : public TGGeEntity
{
public:
	
	TGGeHatch(TGGePoly2D poly,const TCHAR* sName,double nScale = 1.0);
	TGGeHatch(TGGePoly2D poly,const TCHAR* sName,double nScale,double nAngle);
	virtual ~TGGeHatch();

	virtual bool IsKindOf(TEntityId entType) const;
	virtual TEntityId Type() const;
	virtual void CopyFrom(const TGGeEntity* pImpSrc);
	
	virtual bool IsSolid()const;
	
	virtual TGGePoly2D GetHatchPoly()const;
	virtual void SetHatchPoly(TGGePoly2D poly);

	virtual CString GetHatchName()const;
	virtual void SetHatchName(CString sHatchName);

	virtual double GetHatchScale()const;
	virtual void SetHatchScale(double dScale);
	
	virtual double GetHatchRotation()const;
	virtual void SetHatchRotation(double dRotation);

	void AppendPoly(const TGGePoly2D &poly);

	void AppendPoly(const std::vector<TGGePoly2D> &polys);

	const std::vector<TGGePoly2D>& GetPolys() const { return m_polys; }
	
public:

	// 此变量独立出来而没有存入 vector 内是有原因的。
	// 当 TGGeHatch 被用于房间实体时，在填充中可能会为文字而挖出几个洞口。
	// 当上述情况出现时，m_polys 就会发挥作用。
	// m_poly 保存的就是最外面的曲线，m_polys则保存洞口的曲线。
	// 要保证 m_polys 全部都在 m_poly 曲线内部。
	TGGePoly2D m_poly;		

	std::vector<TGGePoly2D> m_polys;
	
	CString m_sHatchName;
	
	double  m_dScale;
	
	double  m_dRotation;
};

#endif