180 lines
5.3 KiB
C++
180 lines
5.3 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, SH Software Co. Ltd.
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// = FileName : CPloyLine.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,坐标为UCS
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#ifndef _BPLOYLINE_H_
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#define _BPLOYLINE_H_
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#ifndef _BNODE_H_
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#include "CBNode.h"
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#endif
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#ifndef _XPOLYGONEX_H_
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#include "XPolygonEx.h"
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#endif
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#ifndef _XPOLY2D_H_
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#include "XPoly2D.h"
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#endif
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#ifndef _DNODE_H_
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#include "CDNode.h"
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#endif
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class GEOAPI CPloyLine : public CObject
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{
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public:
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CPloyLine();
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CPloyLine(const CPloyLine& bline);
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virtual ~CPloyLine();
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//返回下一结点,如果pNode是最后节点,返回NULL.
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virtual CBNode* GetNextNode(const CBNode* pNode);
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//返回上一结点,如果pNode是头节点,返回NULL.
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virtual CBNode* GetPreNode(const CBNode* pNode);
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//赋值操作
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CPloyLine& operator = (const CPloyLine& basLine);
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//基线合并.只有当两基线首尾结点重合时才能合并（闭合的基线不能相加，相加后不检查闭合性）。
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CPloyLine operator + (const CPloyLine& basLine) const;
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//与Create(AcDbObjectId&）区别:不考虑坐标的转换
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BOOL Create(const AcDbEntity* pEntity);
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BOOL Create(const XPoly2D& poly);
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BOOL Create(const XPolygonEx& poly);
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//ConstructBasLine根据objId构造基线链表,如果是圆或圆弧
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BOOL Create(AcDbObjectId& objId);
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//将基线按每节段数nSegs近似等分,flag=1,等分直线,否则不等分直线
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void DivideBySegs(const int nSegs,BOOL flag = 1);
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//将基线中圆弧按角度detaAng近似等分
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void DivideByAng(const double detaAng);
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//按每段段数直线段化基线
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void LinearizePLine(int nSegs);
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//按角度直线段化基线
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void LinearizePLine(double dAng);
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//返回基线总长度
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double GetLength(BOOL bReCalSCoord = 0) const;
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//返回基线上最大X值,最小X值
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double GetMaxX();
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double GetMinX();
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double GetMinY();
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double GetMaxY();
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//返回s坐标处的CDNode,totalLength>=s>=0;bCalZ=1,计算Z值
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BOOL GetDNode(double s,CDNode* pDivNode);
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//返回基线链表头结点
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CBNode* Head();
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//返回基线链表尾结点
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CBNode* Tail();
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//得到最左边的结点
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CBNode* GetMostLeftNode();
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//返回S±deta范围内的结点，bPercent=1，则deta为百分比
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CBNode* GetNodeRangedAt(double ds,double deta,BOOL bPercent = 0);
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//返回圆弧始点切线与X轴夹角
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double GetActAngOfArcIn(CBNode* pNode);
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//返回圆弧终点切线与X轴夹角
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double GetActAngOfArcOut(CBNode* pNode);
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//1：顺时针，2：逆时针，0：无法判断--注意：需要先直线段化
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BOOL GetClockwise();
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//在结点pNode处插入一条基线，LinkEdgeUnvisible=1：基线的最后一点与pNode连线不可见
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BOOL InsertBLineInto(CBNode* pNode,CPloyLine* pBLine,BOOL LinkEdgeUnvisible = 1);
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//测试基线是否封闭
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BOOL IsClosed() const;
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//判断是否有圆弧存在
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BOOL HasArc() const;
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//判断是否为园
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BOOL isCircle() const;
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//判断基线是否在XY平面内
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BOOL IsInXYPlane() const;
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//判断pt是否在闭合基线内部,1：内部，0：外部，2：边界上
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BOOL IsPtInPolygon(AcGePoint3d& pt) const;
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//基线是否与LINE线段相交,只与小于X的线段作比较,假设基线全为直线段
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BOOL IsIntersectWith(double x,AcGePoint3d pt1,AcGePoint3d pt2) const;
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//测试是否为空
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BOOL IsEmpty() const;
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//重新计算首尾点距离，看是否封闭，封闭返回1
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BOOL CheckClose();
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//返回1：pBLine在此区域内部，2：外部，3：相交
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int IsWhere(CPloyLine* pBLine);
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//基线反向操作
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CPloyLine& Reverse();
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//整理基线，将重合点、同一直线或圆弧上的多余点删除
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void ClearUp(double tol = TOL);
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//将共线的圆弧段合并
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void MergeCoArc(double tol = TOL);
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//将共线的直线段合并
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void MergeCoLine(double tol = TOL);
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//删除重合结点
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void RmvOverlapPt(double tol = TOL);
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//重新计算S坐标
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void ReCalcSValue();
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//将pHead设置基线的头，只对封闭曲线
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void ResetHead(CBNode* pHead);
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//平移基线
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void MoveTo(AcGeVector3d& disp);
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//释放并清空等分点链表
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void ReleaseDivLst();
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//清空基线链表
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void ReleaseBasLst();
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//清空基线和等分链表，m_bClosed=0
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void ReleaseAll();
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public:
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//是否封闭
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BOOL m_bClosed;
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//基线基础链表，调用ConstructBasLine构造
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CBNodeList m_BNodeList;
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//基线等分点链表,调用CostructDivLst构造，用ReleaseDivLst清空
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CDNodeList m_DNodeList;
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private:
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//判断ECS与UCS的Z轴是否平行1：同向平行，2：反向平行；0：不平行
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int IsZParalECSAndUcs(AcDbObjectId& objId);
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//将点从WCS转换到UCS,bVer = 1:转换矢量
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void WCS2UCS(AcGePoint3d& pt,BOOL bVer = 0);
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void WCS2ECS(AcGePoint3d& pt,AcDbObjectId& objId,BOOL bVer = 0);
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//将点从ECS转换到UCS,bVer = 1:转换矢量
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void ECS2UCS(AcGePoint3d& pt,AcDbObjectId& objId,BOOL bVer = 0);
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//与acutPolar()功能相同
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AcGePoint3d polar(AcGePoint3d& pt0,double ang,double dist);
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//x1\x2是否同号
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BOOL IsEqualSign(double x1,double x2);
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};
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#endif
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