myview.h

随着计算机信息技术的飞速发展

// MyView.h : header file
#if !defined(_MYVIEW_H)
#define _MYVIEW_H

class AFX_EXT_CLASS CMyView : public CView
{
public:
	CMyView();           // protected constructor used by dynamic creation
	DECLARE_DYNCREATE(CMyView)

// Attributes
public:
	BOOL	m_bHaveMouseRight;
	UINT	m_LookMode;//mouse mode 
	BOOL	m_LDown;//左键是否按下
	CPoint	m_BeginPos;
	CRect	m_OldFocus; 
	CPoint	m_OldPos;
	BOOL	m_bOrientImg;//是否只允许放缩一次
	CRect	m_updateRect;
	BOOL	m_zoomEnable;
	
	HCURSOR m_hCursor;
	BOOL	m_bNeedUpdate;

	//屏幕保护
	CBitmap*	m_pScreenBitmap;
	float		m_screenScale;
	CRect       m_screenRect;
	CSize		m_screenSize;
	BOOL		m_bLockUpdate;
	CSize		m_scrollSize;
	
	float m_Scale;//logical width / device width
	double m_precision;


// Operations
public:
	friend class CMyDoc;
	friend class CWndForDLL;

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMyView)
public:
	virtual void OnDraw(CDC* pDC);      // overridden to draw this view
	virtual void OnMyDraw(CDC* pDC);
	virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	//}}AFX_VIRTUAL
	LRESULT OnLostMouse(WPARAM wParam, LPARAM lParam); 
	void    MyInvalidate();
	void    MyInvalidateRect(CRect& rect);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CMyView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

	// Generated message map functions
public:
	//{{AFX_MSG(CMyView)
	afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
	afx_msg void OnPaint();
	afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
public:
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
protected:
	afx_msg void OnDrawDzoomin();
	afx_msg void OnDrawRefresh();
	afx_msg void OnDrawZoomin();
	afx_msg void OnDrawZoomnon();
	afx_msg void OnDrawZoomout();
	afx_msg void OnDrawZoompan();
	afx_msg void OnZoomFullextent();
	afx_msg void OnZoomNormal();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif