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47 lines
1.0 KiB
C++
47 lines
1.0 KiB
C++
#pragma once
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#include "item.h"
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namespace NItem
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{
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class CItemCurveArc;
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/**
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* 弧线、弓形、扇形绘制类
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*/
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class CItemArc :
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public CItem
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{
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friend class CItemCurveArc;
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public:
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CItemArc(CSigmaDoc * ppDoc);
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~CItemArc(void);
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void OnLButtonDown(CDC* pDC, UINT nFlags, CPoint point, int vk) override;
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int OnMouseMove(CDC* pDC, UINT nFlags, CPoint point) override;
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virtual BOOL DoSelectEnd(void);
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BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) override;
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BOOL OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) override;
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BOOL OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) override;
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protected:
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int m_state;
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BOOL m_bDoSelectEnd;
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double m_dCurveWidth;
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CSize8 m_size;
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public:
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int GetState(void);
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void SetState(int state);
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void Draw(CRect8 rect, CPoint2D ptStart, CPoint2D ptEnd);
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CArc* CreateArc(void);
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private:
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CRect8 RectArc;
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CPoint2D PointStart, PointMiddle, PointEnd;
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int loop;
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BOOL m_bDrawCtrl; //当CTRL键按下时,画另一方向
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int m_nDrawType;
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bool m_bFirst; //在鼠标移动事件处理函数，是否第一次画圆弧。
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};
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}; |