121 lines
3.0 KiB
C++
121 lines
3.0 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, SH Software Co. Ltd.
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// = FileName : CPloygon.h
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// = Version : ver2.0
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// = Author : zjq
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// = CreateDate : 2002-09-09
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// = Description: 类的声明 描述单连通区域
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#ifndef _BPLOYGON_H_
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#define _BPLOYGON_H_
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#ifndef _BPLOYLINE_H_
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#include "CPloyLine.h"
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#endif
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#ifndef _DLIST_H_
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#include "DList.h"
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#endif
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#ifndef _C3DFACE_H_
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#include "C3DFace.h"
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#endif
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#ifndef _XTRIANGLE_H_
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#include "XTriangle.h"
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#endif
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class CBNode;
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class CPloygon;
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typedef CTypedPtrList<CObList, CPloygon*> TBPolygonList;
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class GEOAPI CPloygon : public CPloyLine
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{
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public:
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CPloygon();
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CPloygon(const CPloyLine& bline);
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#if ARX > 17
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CPloygon(const CPloygon& poly);
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#endif
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virtual ~CPloygon();
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//返回下一结点,当作封闭环
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virtual CBNode* GetNextNode(CBNode* pNode);
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//返回上一结点,当作封闭环
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virtual CBNode* GetPreNode(CBNode* pNode);
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//判断多边形pPolygon是否在此多边形内部
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//返回0：相交
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//如果返回1，则包含pPolygon，
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//如果返回2，则被pPolygon包含
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//如果返回3，则与pPolygon互不包含
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BOOL IsSurrounded(CPloyLine* pPolygon);
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//释放内存
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void ReleaseRgnLst(TBPolygonList& sRgnList);
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//是否平行于XY平面
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BOOL IsParallelToXY(double tol);
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//根据此面创建m_plane
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BOOL CreatAcGePlane();
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//构造从当前坐标系到此平面所在的坐标系的变换矩阵
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AcGeMatrix3d GetUCSToECSMat();
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//构造从此平面所在的坐标系到当前坐标系的变换矩阵
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AcGeMatrix3d GetECSToUCSMat();
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//将此区域通过矩阵mat进行变换
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void TransformBy(AcGeMatrix3d& mat);
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//返回下下一结点
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CBNode* GetNextNode2(CBNode* pNode);
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//三角化单连通区域，并将三角形存于sRgnList
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BOOL TrianglizePolygon(TBPolygonList& sRgnList);
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//将此区域一分为二直到全为三角形，并将三角形存于sRgnList
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void CutDown(TBPolygonList& sRgnList);
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//测试pTestNode是否在以pNode为结点的前后两边内部
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BOOL IsPtInsideRgn(CBNode* pNode,CBNode* pTestNode);
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//连线PT1-PT2是否于其他边相交
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BOOL IsCrossOtherEdges(CBNode* pNode1,CBNode* pNode2);
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//pNode1和pNode2组成的连线是否可以将此区域分为两个单连通域
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BOOL IsASuitableDivLine(CBNode* pNode1,CBNode* pNode2);
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//以结点1-2为分界将此区域一分为二
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void DivideTo2Polygon(CBNode* pNode1,CBNode* pNode2,CPloygon*& pRgn1,CPloygon*& pRgn2);
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//将此结点转化成3DFACE
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AcDbFace* ConvertTo3dFace();
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//将此结点转化成3DFACE
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XTriangle* ConvertToTriangle();
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//将此区域三角化为一系列3DFACE
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BOOL ConvertTo3DFaces(C3DFaceList& face3DList);
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//将此区域三角化为一系列3DFACE
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BOOL ConvertToTriangle(DList<XTriangle> &lstRes);
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public:
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//三角化后的三角区域链表
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TBPolygonList m_childSRList;
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//m_plane是否已经构造成功
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BOOL m_bPlaned;
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//所在平面
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AcGePlane m_plane;
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private:
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//pt是否在pt11-pt12所在线段上
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BOOL IsOnLineSeg(AcGePoint3d pt11,AcGePoint3d pt12,AcGePoint3d pt,double tol = TOL);
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};
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#endif
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