clip_a_lineview.h

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// Clip_a_lineView.h : interface of the CClip_a_lineView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_CLIP_A_LINEVIEW_H__E765E57A_3474_42E6_ABC7_E97FDE39503C__INCLUDED_)
#define AFX_CLIP_A_LINEVIEW_H__E765E57A_3474_42E6_ABC7_E97FDE39503C__INCLUDED_

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


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

// Attributes
public:
	CClip_a_lineDoc* GetDocument();

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CClip_a_lineView)
	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:
	int yw_min;
	int yw_max;
	int xw_max;
	int xw_min;
	int y2;
	int x2;
	int y1;
	int x1;
	void clip_a_line(CDC *pDC,int x1,int y1,int x2,int y2,int xw_min,int xw_max,int yw_min,int yw_max );
	virtual ~CClip_a_lineView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:
	int swap_if_needed(int code1[],int code2[]);
	int reject(int code1[],int code2[]);
	int accept(int code1[],int code2[]);
	void encode(int x,int y,int code[],int xw_min,int xw_max,int yw_min,int yw_max);

// Generated message map functions
	
	//{{AFX_MSG(CClip_a_lineView)
		// NOTE - the ClassWizard will add and remove member functions here.
		//    DO NOT EDIT what you see in these blocks of generated code !
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in Clip_a_lineView.cpp
inline CClip_a_lineDoc* CClip_a_lineView::GetDocument()
   { return (CClip_a_lineDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_CLIP_A_LINEVIEW_H__E765E57A_3474_42E6_ABC7_E97FDE39503C__INCLUDED_)