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//////////////////////////////////////////////////////////////////////////////
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//文件 Arc.h
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//主要功能:
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//
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//程序编写: 2005-12-07
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/////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "curveex.h"
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#include ".\circle.h"
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class AFX_EXT_CLASS CArc : public CEllipse
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{
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CCurveEx *m_pCurveArc;
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public:
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CArc(void);
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virtual ~CArc(void);
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double step;
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double arc1,arc2;
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void Serialize(CArchive& ar, const short &ver) override;
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virtual int Read(CFile &fr, const short& ver);
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virtual void Write(CFile &fw, const short& ver);
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virtual int IsInRange(CRect8 &range,void *HowToViewCurve=NULL);
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virtual void GetRange(CRect8 &range,void *HowToViewCurve=NULL);
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virtual void GetRange(CPoint3D& minPoint, CPoint3D& maxPoint);
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virtual void ScaleProperty(double sx, double sy);
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virtual void Rotate(double xs, double ys, double angle);
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virtual void Offset(double dx, double dy);
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virtual void ScaleCoor(double xs, double ys, double dx, double dy);
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virtual void ExchangeXY(void);
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virtual void ExchangeXY(void* pProjection); //转换到指定投影坐标,CPrljectio* pProjection
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// type为校正类型,比如两点校位、四点校位等;pValue为类对象指针，如CCalibrate2、CCalibrate4等
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virtual void Calibrate(int type, void* pValue);
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virtual void WriteDML(CFile &fw, const short& ver, int nBaseTabNum);
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virtual int ReadDML(CFile &fr, const short &ver);
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virtual void WritePCG(CFile &fw, const short& ver, int nBaseTabNum);
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virtual int ReadPCG(CFile &fr, const short &ver);
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virtual int ReadPCG2(CFile &fr, const short &ver);
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void SetParameter(CPoint2D CircleCenter, CPoint2D ptStart, CPoint2D ptEnd);
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void GetInTriangle(CPoint2D& ptArc1, CPoint2D& ptArc2, CPoint2D& ptArc3);//获得内接三角形的三个顶点
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virtual void SetInTriangle(CPoint2D& ptArc1, CPoint2D& ptArc2, CPoint2D& ptArc3);//根据内接三角形的三个顶点设置弧
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void operator = (CArc &t);
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void GetCurve(double step1);
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CCurveEx* GetCurve(void);
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DWORD GetType(void);
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void SetType(DWORD nType);
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COLORREF color;
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//该定义与椭圆中的定义是连续的，不能相同
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enum ArcStyleFlags
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{
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drawArc = 0x0008, //显示为弧
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drawChord = 0x0010, //显示为弦
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drawPie = 0x0020 //显示为饼
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};
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private:
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int toCurve(double &step1);
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public:
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virtual int ReadPCG(void *pxp, const short &ver);
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virtual int ReadPCG2(void *pxp, const short &ver);
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};
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