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

#ifndef _C3DFACE_H_
#include "C3DFace.h"
#endif

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

#ifndef _XTRIANGLE_H_
#include "XTriangle.h"
#endif

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

#ifndef _XPOLYGONEX_H_
#include "XPolygonEx.h"
#endif

#ifndef _BPLOYGON_H_
#include "CPloygon.h"
#endif

#ifndef _CENTITY_H_
#include "CEntity.h"
#endif

class CBNode;

class GEOAPI CHole
{
public:
	CHole();

	virtual ~CHole();

	//构造边界线链表，用基线描述边界，第一个链表为外边，其余为内边
	BOOL ConstructEdgeList();        

	//单连通化\然后三角化，返回3DFACE
	BOOL SimplifyToFace(C3DFaceList& face3DList);            

	//将空从左到右\从下到上排序
	BOOL SortHolesInXY();                                    
 
	//将外边界变为逆时针，内边界顺时针，并且按X从小到大排序
	BOOL SortNodesAlongClockWise();                         

	CBNode* GetADivideNode(CPloygon* pEdge,CPloygon* pEdge1,CBNode* pNode); 

	//在边界pEdge上选择一个适当的顶点，它和pNode的连线不与任何其他边界相交(包括pEdge和pEdge1）
	//因此可将多边形一分为二
	//创建孔洞
	void CreateHoles();

	//单连通化\然后三角化，返回3DFACE
	BOOL SimplifyToTriangle(DList<XTriangle> &lstRes);

	//构造边界线链表，用基线描述边界，第一个链表为外边，其余为内边
	BOOL ConstructEdgeList(const DList<XPoly2D> &lstHole);
	
	//构造边界线链表，用基线描述边界，第一个链表为外边，其余为内边
	BOOL ConstructEdgeList(const DList<XPolygonEx> &lstHole);
	
	//构造边界线链表，用基线描述边界，第一个链表为外边，其余为内边
	BOOL ConstructEdgeList(const XPoly2D &out, const DList<XPoly2D> &lstHole);
	
	//构造边界线链表，用基线描述边界，第一个链表为外边，其余为内边
	BOOL ConstructEdgeList(const XPolygonEx &out, const DList<XPoly2D> &lstHole);
	
	//构造边界线链表，用基线描述边界，第一个链表为外边，其余为内边
	BOOL ConstructEdgeList(const XPolygonEx &out, const DList<XPolygonEx> &lstHole);

	BOOL GetTriangles(DList<XTriangle> &lstRes);
	
	BOOL FormatEdgeList();
	
	BOOL FormatEdgeListAuto();

public:
	//区域各边链表
	TBPolygonList m_RegionLst;
	//基线插入基点        
	AcGePoint3d m_insertPt;   
	
private:
	BOOL CreateReference(AcGePoint3d org,CString& BlockTableRecordName,double rotAng,CString layerName = _T(""));
	//构造块名
	BOOL BlockName(CString& blockName);    
	
	//根据entLst创建块
	BOOL CreateBlock(CEntityList& entLst,CString& blockName,AcDbObjectId& blockId,AcGePoint3d org);
	
	//返回层layerName的记录ID
	AcDbObjectId GetLayerRecordId(CString layerName);                        
	
	//只删除C3DFface对象，不删除其AcDbFace对象
	void ReleaseC3DFaceList(C3DFaceList& c3dfaceLst);  
	
	//只删除CEntity对象，不删除其AcDbEntity对象
	void ReleaseCEntityList(CEntityList& centityLst);  
	
	//将链表中的所有实体的层设置为layerName
	void SetLayerOfEntities(CEntityList& entLst,CString layerName, int colorNum = 7);
	
	//层layerName是否存在于数据库中
	BOOL IsLayerExistInDb(CString layerName);                               
	
	//设置层，如果不存在则新建。
	BOOL SetLayer(CString layerName, int colorNum = 0);
	
	//新建层layerName。
	BOOL NewLayer(CString& layerName, int colorNum = 0, BOOL bFreeze = 0);
	
	//将C3DFaceList转换为CEntityList
	void C3DFaceList2EntityList(C3DFaceList& c3dFaceLst,CEntityList& entLst);
	
	//将层冻结
	BOOL SetLayerFrozen(CString layerName, bool bFreeze = 1);
	
	//将层关闭
	BOOL SetLayerOff(CString layerName, bool bOff = 1);
};

#endif