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#pragma once
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#include "Item.h"
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#include "CurveNodeDrawer.h"
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#include "IntersectionEraser.h"
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#include "DrawOperator/RTree.h"
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class CItemEraser : public CItem
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{
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public:
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CItemEraser(CSigmaDoc* ppDoc);
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~CItemEraser();
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void OnLButtonDblClk(UINT nFlags, CPoint point) override;
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void OnLButtonDown(CDC *pDC, UINT nFlags, CPoint point, int vk) override;
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void OnLButtonUp(CDC* pDC, UINT nFlags, CPoint point, int vk) override;
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void OnRButtonDown(UINT nFlags, CPoint point) override;
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BOOL OnRButtonUp(UINT nFlags, CPoint point) override;
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void OnMouseWheel(uint32_t button, int32_t clicks, int32_t x, int32_t y, int32_t delta) override;
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int OnMouseMove(CDC* pDC, UINT nFlags, CPoint point) override;
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void DrawAssistant(CDC* pDC, int mouseX, int mouseY) override;//ͼ<><CDBC><EFBFBD><EFBFBD>Ļ<EFBFBD>ػ<EFBFBD><D8BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ػ<EFBFBD><D8BB><EFBFBD>ʱ<EFBFBD><CAB1>
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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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void OnDraw(CXyDC* pXyDC, CDC* pDC) override;
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void OnCancel(void) override;
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EraserMode GetEraserMode() const;
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void SetEraserMode(EraserMode mode);
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int GetEraserRadius() const;
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void SetEraserRadius(int radius);
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private:
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std::vector<CPoint> GetScreenPoints(const std::vector<CPoint2D>& points) const;
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void ZoomEraseRadius(int radius);
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void DrawCircle(CDC* pDC, int centerX, int centerY, int radius);
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/**
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƥ<EFBFBD><EFBFBD>
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*
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* \param dc CDC <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* \param centerX <EFBFBD><EFBFBD>Ƥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD> X <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* \param centerY <EFBFBD><EFBFBD>Ƥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD> X <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* \param radius
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*/
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void DrawEraser(CDC* pDC, int centerX, int centerY, int radius);
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/**
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵĽڵ㣬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*
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* \param dc
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*/
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void DrawCurveNode(CDC* pDC);
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int m_lastX = -1;
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int m_lastY = -1;
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int m_lastRadius = -1;
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void ResetLast(int x, int y, int radius);
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static constexpr int ZOOM_VALUE = 10;
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static constexpr int MIN_ERASE_RADIUS = 10;
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static constexpr int MAX_ERASE_RADIUS = 40;
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// <20>Ҽ<EFBFBD><D2BC><EFBFBD><EFBFBD><EFBFBD>ȥ<EFBFBD><C8A5><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><CEA7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><CEA7><EFBFBD><EFBFBD><EFBFBD>Ǿ<EFBFBD><C7BE><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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static constexpr double MAX_SEARCH_RADIUS = 2;
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RTree<POSITION, double, 2>* GetSpatialTree();
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/**
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* <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>Ƥ<EFBFBD><EFBFBD>·<EFBFBD><EFBFBD>
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*
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* \return
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*/
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std::unique_ptr<CCurveEx> GetEraserPath() const;
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void SetAction(const CPositionList& plAdd, const CPositionList& plDel);
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void Erase();
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void Redraw();
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const CString redraw = "redraw";
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bool m_start = false;
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std::vector<CPoint2D> m_path;
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COLORREF m_penColor = RGB(255, 0, 0);
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int m_eraseRadius = 10; // ɾ<><C9BE><EFBFBD>뾶
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EraserMode m_mode = EraserMode::Nodes;
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std::unique_ptr<CurveNodeDrawer> m_nodeDrawer;
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std::optional<std::pair<CRect, CRect8>> m_lastView;
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std::unique_ptr<RTree<POSITION, double, 2>> m_rtree;
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bool isViewChanged = true;
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size_t m_token = 0;
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};
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