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

#ifndef _TGGIDRAWSTREAMBASE_H_
#include "TGGiDrawStreamBase.h"
#endif

#ifndef _TGGECURVESEGMENT_H_
#include "TGGeCurveSegment.h"
#endif

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

class GEOAPI TGGiCurveStream : public TGGiDrawStreamBase 
{
public:
	TGGiCurveStream();

	virtual void DrawXCurve(const TGGeCurveSegment& curve,double nThick = 0);
	virtual const TCHAR *Desc();
	
	//外裁剪
	void ClipIn(const TGGePoly2D &);  
	//内裁剪
	void ClipOut(const TGGePoly2D &); 
	void CopyTo(TGGiDrawStreamBase &toDc) const;
	
	static const TCHAR *Descriptor();
	
public:
    TDPtrList<TGGeCurveSegment> m_lstCurves;
};

#endif