line.h

来自「C语言库函数（包括所有的C语言库函数）」· C头文件 代码 · 共 53 行

// Line.h: interface for the Line class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_LINE_H__2FD855E3_226D_4690_BE0B_EA9C8DECD35C__INCLUDED_)
#define AFX_LINE_H__2FD855E3_226D_4690_BE0B_EA9C8DECD35C__INCLUDED_

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

#include "GraphicItem.h"

//=================================================================
//直线图形元素;
//=================================================================
class Line : public CGraphicItem  
{
public:
	Line();
	virtual ~Line();

public:
	//接受访问者访问方法;
	virtual void Accept    ( AbstractVisitor& v , CDC* );

	//检测点p是否在直线上方法;
	virtual bool Intersects( CPoint p           );

	//取得自身类型;
	virtual CString  GetOwnType(){ return _T("Line");}

	//设置位置偏移量;
	virtual void SetOffset ( int offsetX , int offsetY );

public:
	//属性设置;
	CPoint GetStartPoint(){ return m_startPoint ;}
	CPoint GetEndPoint  (){ return m_endPoint   ;}

	void   SetStartPoint( CPoint p ){ m_startPoint = p ;}
	void   SetEndPoint  ( CPoint p ){ m_endPoint   = p ;}

private:
    
	//起点和终点位置;
	CPoint m_startPoint;
	CPoint m_endPoint;

};

#endif // !defined(AFX_LINE_H__2FD855E3_226D_4690_BE0B_EA9C8DECD35C__INCLUDED_)