mychview.h

平面凸包

// MyCHView.h : interface of the CMyCHView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_MYCHVIEW_H__84C2BBA3_585F_4784_B689_F17698BEFFA4__INCLUDED_)
#define AFX_MYCHVIEW_H__84C2BBA3_585F_4784_B689_F17698BEFFA4__INCLUDED_

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


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

// Attributes
public:
	CMyCHDoc* GetDocument();

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMyCHView)
	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:
	virtual ~CMyCHView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CMyCHView)
	afx_msg void OnIniData();
	afx_msg void OnConvexhull();
	afx_msg void OnUpdateConvexhull(CCmdUI* pCmdUI);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()

public:
       int  m_nCount;        // 总的随机点数目
	   CPoint  m_topLeft;    // 区域左上角位置
	   CSize   m_sScreen;    // 区域大小
	   int  m_nodeStyle;     // 随机点风格
	   int  m_r;             // 点的大小
	   int  m_h;             // 凸包顶点数目

	CPoint *m_pNode;         // 随机点数组
	CPoint *m_pResult;       // 计算结果（凸包顶点）数组

	BOOL    IsInitialed;     // 是否已经初始化，并分配过内存
	BOOL    IsComputed;      // 是否计算完毕。

public:

	   void ConvexHull();    // 计算凸包

};

#ifndef _DEBUG  // debug version in MyCHView.cpp
inline CMyCHDoc* CMyCHView::GetDocument()
   { return (CMyCHDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_MYCHVIEW_H__84C2BBA3_585F_4784_B689_F17698BEFFA4__INCLUDED_)