zmapview.h

一个微型的地图浏览工具

// zMapView.h : interface of the CZMapView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_ZMAPVIEW_H__B60E87D2_E7F9_4DFB_AD31_D5669C96EA4F__INCLUDED_)
#define AFX_ZMAPVIEW_H__B60E87D2_E7F9_4DFB_AD31_D5669C96EA4F__INCLUDED_

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


class CZMapView : public CView
{
protected: // create from serialization only
	CZMapView();
	DECLARE_DYNCREATE(CZMapView)

private:
	int m_nViewState;
	int m_nCursorType;
	BOOL m_bMoving;
	CPoint m_ptOrg, m_ptDest;
	
	double m_dCenterX;
	double m_dCenterY;

// Attributes
public:
	CZMapDoc* GetDocument();

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CZMapView)
	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:
	void WP2DP(CPoint2D &ptOrg, CPoint &ptDest);

	virtual ~CZMapView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CZMapView)
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
	afx_msg void OnZoomIn();
	afx_msg void OnZoomOut();
	afx_msg void OnUpdateZoomIn(CCmdUI* pCmdUI);
	afx_msg void OnUpdateZoomOut(CCmdUI* pCmdUI);
	afx_msg void OnPan();
	afx_msg void OnUpdatePan(CCmdUI* pCmdUI);
	afx_msg void OnViewEntire();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in zMapView.cpp
inline CZMapDoc* CZMapView::GetDocument()
   { return (CZMapDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_ZMAPVIEW_H__B60E87D2_E7F9_4DFB_AD31_D5669C96EA4F__INCLUDED_)