caijianview.h

用Visual C++编写的一个实现矩形窗口对多边形的裁剪！

// caijianView.h : interface of the CCaijianView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_CAIJIANVIEW_H__9261B28C_6913_4BFF_877C_D7E27B3FE4C0__INCLUDED_)
#define AFX_CAIJIANVIEW_H__9261B28C_6913_4BFF_877C_D7E27B3FE4C0__INCLUDED_

#include "suanfa.h"
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


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

// Attributes
public:
	CCaijianDoc* GetDocument();

// Operations
public:

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

// Implementation
public:
	bool m_bCaptured;
	bool m_bDefineRect;
	bool m_bDefinePointV;
	CPoint TopLeft;
	CPoint BottomRight;
	CArray<CPoint,CPoint&> PointArray;
	virtual ~CCaijianView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CCaijianView)
	afx_msg void OnEditClearAll();
	afx_msg void OnEditCopy();
	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 OnRButtonUp(UINT nFlags, CPoint point);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in caijianView.cpp
inline CCaijianDoc* CCaijianView::GetDocument()
   { return (CCaijianDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_CAIJIANVIEW_H__9261B28C_6913_4BFF_877C_D7E27B3FE4C0__INCLUDED_)