rj050119view.h

采用MFC实现了绘图并且实现了菜单和鼠标事件

// RJ050119View.h : interface of the CRJ050119View class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_RJ050119VIEW_H__7C6DE5C4_5CB4_4F65_9C1A_704BB195E2B0__INCLUDED_)
#define AFX_RJ050119VIEW_H__7C6DE5C4_5CB4_4F65_9C1A_704BB195E2B0__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


class CRJ050119View : public CView
{
protected: // create from serialization only
	CRJ050119View();
	DECLARE_DYNCREATE(CRJ050119View)
	CPoint m_ptOrigin;
	bool m_bDragging;
	HCURSOR m_hCross;
	UINT m_nCViewRadius;

// Attributes
public:
	CRJ050119Doc* GetDocument();
    
// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CRJ050119View)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

// Implementation
public:
	COLORREF pen;
	virtual ~CRJ050119View();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CRJ050119View)
	afx_msg void OnContextMenu(CWnd* pWnd, CPoint point);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnEditInputradius();
	afx_msg void OnViewFont();
	afx_msg void OnTimer(UINT nIDEvent);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
private:
	COLORREF m_clrText;
	CFont m_fontDlg;
};

#ifndef _DEBUG  // debug version in RJ050119View.cpp
inline CRJ050119Doc* CRJ050119View::GetDocument()
   { return (CRJ050119Doc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_RJ050119VIEW_H__7C6DE5C4_5CB4_4F65_9C1A_704BB195E2B0__INCLUDED_)