txx4_10view.h

给定四个点绘制图4-30所示的不同转角的两个正方形

// txx4_10View.h : interface of the CTxx4_10View class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_TXX4_10VIEW_H__75478A67_CEFE_4165_8204_AF1108800742__INCLUDED_)
#define AFX_TXX4_10VIEW_H__75478A67_CEFE_4165_8204_AF1108800742__INCLUDED_

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


class CTxx4_10View : public CView
{
protected: // create from serialization only
	CTxx4_10View();
	DECLARE_DYNCREATE(CTxx4_10View)

// Attributes
public:
	CTxx4_10Doc* GetDocument();
	COLORREF BkColor;
	stack<CPoint> stk;
// Operations
public:
	void DrawEdge(CDC *pDC, list<CPoint> &polygon, int color);
	bool IsInside(CPoint point);
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTxx4_10View)
	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 ~CTxx4_10View();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CTxx4_10View)
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in txx4_10View.cpp
inline CTxx4_10Doc* CTxx4_10View::GetDocument()
   { return (CTxx4_10Doc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_TXX4_10VIEW_H__75478A67_CEFE_4165_8204_AF1108800742__INCLUDED_)