myline.cpp

一个用c++编写的画图板程序,

// MyLine.cpp: implementation of the CMyLine class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "MyDrawBoard.h"
#include "MyLine.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

IMPLEMENT_SERIAL(CMyLine,CObject,1)
CMyLine::CMyLine()
{

}

CMyLine::~CMyLine()
{

}

CMyLine::CMyLine(CPoint startpoint, CPoint endpoint, int penwidth, COLORREF pencolor)
{
  m_EndPoint=endpoint;
  m_StartPoint=startpoint;
  m_PenColor=pencolor;
  m_PenWidth=penwidth;
}

void CMyLine::CDrawLine(CDC *pDC)
{
  CPen newpen,*oldpen;
  newpen.CreatePen(0,m_PenWidth,m_PenColor);
  oldpen=pDC->SelectObject(&newpen);
  
  pDC->MoveTo(m_StartPoint);
  pDC->LineTo(m_EndPoint);

  pDC->SelectObject(oldpen);
}

void CMyLine::Serialize(CArchive &ar)
{
   if (ar.IsStoring())
	{
		// TODO: add storing code here
		ar<<m_StartPoint;
		ar<<m_EndPoint;
		ar<<m_PenWidth;
		ar<<m_PenColor;
	}	
	else
	{
		// TODO: add loading code here
		ar>>m_StartPoint;
		ar>>m_EndPoint;
		ar>>m_PenWidth;
		ar>>m_PenColor;
	}
}