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122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//文件: CItem类扩展
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//主要功能:
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// 操作各类元素或完成一定的功能
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//
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//程序编写: 2006-12-07
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//
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//
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/////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "itemBase.h"
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#include "cursor.h"
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#include "DrawOperator\memdc.h"
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namespace NDrawView
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{
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#define ITEM_VIEW_DEFAULT 0
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#define ITEM_VIEW_PRINT 1
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class CItemView :
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public CItemBase
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{
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public:
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CItemView(void);
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CItemView(CSigmaDoc * ppDoc);
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virtual ~CItemView(void);
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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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int OnMouseMove(CDC *pDC, UINT nFlags, CPoint point) override;
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void OnRButtonDblClk(UINT nFlags, CPoint point) 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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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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BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) override;
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//<打印及打印预览>
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void SetScreenRect(CRect rect);
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virtual void OnLButtonDownForPreviewPrint(UINT nFlags, CPoint point);
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virtual void OnLButtonUpForPreviewPrint(UINT nFlags, CPoint point);
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virtual void OnMouseMoveForPreviewPrint(UINT nFlags, CPoint point);
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void ScreenToPrint(CPoint & point);
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void GetViewFactors(double & offsetXOut, double & offsetYOut, double & zoomFactorOut);
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void SetViewFactors(double offsetX, double offsetY, double zoomFactor);
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void SetViewScreenFactors(double offsetX, double offsetY, double zoomFactor);
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// 变换到原始坐标
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double TransfromX(double x);
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double TransfromY(double y);
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CRect TransfromRect(CRect rtSource);
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double DeTransfromX(double x);
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double DeTransfromY(double y);
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// 转换到变换坐标
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CRect DeTransfromRect(CRect rtSource);
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//</打印及打印预览>
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void SetMemDC(CMemoryDC* pMemViewDC) {
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m_pMemViewDC = pMemViewDC;
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}
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CDC * GetMemDC(void) { return m_pMemViewDC; }
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virtual CRect GetClientRect(void);
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virtual void setClientRect(CRect rect);
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virtual int GetPanMode(void);
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virtual BOOL GetViewRange(CRect8& rect); //获得要全图显示的范围
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eCursorSelectStruct GetCursor(void);
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int IsViewState(void);
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void Extend(int mode);
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void Enlarge(void);
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void Reduce(void);
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void Reduce(double factor);
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/**
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* 放大画布
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*
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* \param point 放大的中心点
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* \param factor 放大倍数，事实上缩小也是它，小于 1 时为缩小
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*/
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void Reduce(CPoint2D point, double factor);
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void ReduceForScreenPoint();
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void PanTo(CPoint2D point); //移动到point,以point为中心
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void EnableOldMode(BOOL bEnable);
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BOOL IsOldMode(void);
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public:
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CView* GetActiveView(void);
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BOOL IsCaptureCursor(void);
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void SetDisplayRange(void);
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int zoomMode;
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protected:
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CPoint m_ptLeft;
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CRect8 m_rect;
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CRect8 m_rectForPrint;
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CRect m_scressRect;
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CRect m_clientRect;
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BOOL bCaptureCursor;
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// CMemoryDC m_MemDC;
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BOOL m_bRButtonDown;
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BOOL m_bEnableCaptureCursor;
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BOOL m_bOldViewMode;
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//int m_type;
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CMemoryDC* m_pMemViewDC;
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double m_offsetX;
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double m_offsetY;
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double m_zoomFactor;
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double m_offsetScreenX;
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double m_offsetScreenY;
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double m_screenFactor;
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void LButtonDownPan(CPoint point);
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void MouseMovePan(CPoint point);
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void MouseMovePanForPreviewPrint(CPoint point);
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void LButtonUpPan(CPoint point);
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void RectangleSolid(CXyDC* pDC, CRect8* pRect);
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};
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}; |