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

#ifndef _XPOLY2D_H_
#include "XPoly2D.h"
#endif

#ifndef _XPOINT_H_
#include "XPoint.h"
#endif

#ifndef _XDcObject_H_
#include "XDcObject.h"
#endif

#ifndef _DLIST_H_
#include "DList.h"
#endif

class GEOAPI XDcClip
{
public:

	enum ClipType
	{
		kClipIn		= 0x0000,		//去除内部
		kClipOut	= 0x0001,		//去除外部
		kNoClipEdge = 0x0002,		//保留边界
		kAcGiClip	= 0x0004
	};
	
	XDcClip(const XPoly2D& poly,int flag = 0);
	
	virtual ~XDcClip();

	virtual int GetClipType() const;

	virtual bool IsClip(const XPoint&pt) const;
	
	virtual bool DoClip(DList<XCurveSegment>& lstCurve) const;
    
	virtual bool DoClip(DList<XPoly2D> &lstRegion) const;
    
	virtual bool DoClip(DList<XDcObject>&lstObj) const;
	
	virtual bool DoClip(DList<AcDbEntity> &lstEnt) const;

	virtual XPoly2D GetClipPoly() const;

	virtual AcGiClipBoundary* GetAcGiClip() const;

	virtual bool IsExtentsClip(AcDbExtents& ext);

protected:
	int			m_clipType;
	bool		m_bExtExtracted;
	ads_point	m_ptLow;
	ads_point	m_ptUpp;
	XPoly2D	m_poly;
	AcGiClipBoundary *m_pAcGiClip;
};
#endif