linedraw.cpp

VC++6开发指南的源代码第7章-第11章

// LineDraw1.cpp: implementation of the CLineDraw1 class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "SDocDemo.h"
#include "LineDraw.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
IMPLEMENT_SERIAL(CLineDraw,CObject,1)

CLineDraw::CLineDraw(int StartX,int StartY,int EndX,int EndY)//构造函数的实现
{
	m_StartX=StartX;
	m_StartY=StartY;
	m_EndX=EndX;
	m_EndY=EndY;
}
CLineDraw::CLineDraw()//不带参数的构造函数的实现
{
}
void CLineDraw::DrawLine(CDC *pDC)
{
	pDC->MoveTo(m_StartX,m_StartY);//绘制线条
	pDC->LineTo(m_EndX,m_EndY);
}
 void CLineDraw::Serialize(CArchive &ar)//序列化函数的实现
{
	 if (ar.IsStoring())										//进行存档处理
	{
		// TODO: add storing code here
		ar<<m_StartX<<m_StartY<<m_EndX<<m_EndY;
	}
	else												//进行读档处理
	{
		// TODO: add loading code here
		ar>>m_StartX>>m_StartY>>m_EndX>>m_EndY;
	}
}