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#pragma once
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#include <vector>
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class CDC;
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class CDC;
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class CCurveEx;
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class CSigmaDoc;
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struct HandlePoint;
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class HandleDrawer
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{
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public:
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HandleDrawer(CSigmaDoc * pDoc);
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~HandleDrawer();
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bool Init(CCurveEx * pCurve);
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void ClearAll(CDC * pDC);
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void DrawAll(CDC * pDC);
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void ReDrawAll(CDC * pDC);
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void DrawOneHandle(CDC * pDC, int indexOfHandle);
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void DrawFocusHandle(CDC * pDC, int indexOfHandle);
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//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>н<EFBFBD><D0BD><EFBFBD>Handle <20><EFBFBD> -1
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int EreaseFocusHandle(CDC * pD);
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protected:
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void DrawAllOrEreaseAll(CDC * pDC, bool bDrawAll);
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//bDraw-true <20><><EFBFBD>ƽڵ<C6BD> false-<2D><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD> bFocus-true <20>ǽ<EFBFBD><C7BD><EFBFBD>Handle false-<2D><>ͨHandle
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void DrawOrEreaseOneHandle(CDC * pDC, HandlePoint * handlePt, bool bDraw, bool bFocus);
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void DrawHandle(CDC* pDC, HandlePoint * handlePt, bool bFocus);
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void Release();
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private:
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COLORREF m_colorHandles;
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COLORREF m_headColor;
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CSigmaDoc * m_pDoc;
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HandlePoint * m_focusHandle;
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std::vector<HandlePoint *> m_handlePts;
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};
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