mapview.h

常用算法与数据结构原代码

// MapView.h : interface of the CMapView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_MAPVIEW_H__D0301EF9_C611_4074_9BCB_8D6D9E3FFD6B__INCLUDED_)
#define AFX_MAPVIEW_H__D0301EF9_C611_4074_9BCB_8D6D9E3FFD6B__INCLUDED_

#include "MapVertex.h"	// Added by ClassView
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
class CMapDoc;
class CMapCntrItem;

class CMapView : public CScrollView
{
protected: // create from serialization only
	CMapView();
	DECLARE_DYNCREATE(CMapView)

// Attributes
public:
	CMapDoc* GetDocument();
	// m_pSelection holds the selection to the current CMapCntrItem.
	// For many applications, such a member variable isn't adequate to
	//  represent a selection, such as a multiple selection or a selection
	//  of objects that are not CMapCntrItem objects.  This selection
	//  mechanism is provided just to help you get started.

	// TODO: replace this selection mechanism with one appropriate to your app.
	CMapCntrItem* m_pSelection,*fir;

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMapView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	virtual BOOL DestroyWindow();
	virtual void OnPrepareDC(CDC* pDC, CPrintInfo* pInfo = NULL);
	protected:
	virtual void OnInitialUpdate(); // called first time after construct
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual BOOL IsSelected(const CObject* pDocItem) const;// Container support
	//}}AFX_VIRTUAL

// Implementation
public:
	CString m_msg;
	float GetMinDistance(CDC*pdc,int& flag);
	bool InsertEdge(CDC*pdc,int&flag);
	CMapCntrItem* GetItem(UINT key);
	void SetSelection(CMapCntrItem*pItem);
	CMapCntrItem* HitTest(CPoint);
	virtual ~CMapView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CMapView)
	afx_msg void OnDestroy();
	afx_msg void OnSetFocus(CWnd* pOldWnd);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnInsertObject();
	afx_msg void OnCancelEditCntr();
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
	afx_msg void OnAppAbout();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
private:
	void SetUpTracker(CMapCntrItem*pItem,CRectTracker&rectTracker);
};

#ifndef _DEBUG  // debug version in MapView.cpp
inline CMapDoc* CMapView::GetDocument()
   { return (CMapDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_MAPVIEW_H__D0301EF9_C611_4074_9BCB_8D6D9E3FFD6B__INCLUDED_)