line.cpp

来自「学习VC的一些例子」· C++ 代码 · 共 63 行

// Line.cpp: implementation of the CLine class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Day10.h"
#include "Line.h"

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

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

CLine::CLine()
{

}

CLine::~CLine()
{

}

CLine::CLine(CPoint ptFrom, CPoint ptTo, COLORREF crColor, UINT nWidth)
{
	m_ptFrom  = ptFrom;
	m_ptTo    = ptTo;
	m_crColor = crColor;
	m_nWidth  = nWidth;
}

void CLine::Draw(CDC *pDC)
{
	CPen lpen(PS_SOLID, m_nWidth, m_crColor);

	CPen * pOldPen = pDC->SelectObject(&lpen);

	pDC->MoveTo(m_ptFrom);
	pDC->LineTo(m_ptTo);

	pDC->SelectObject(pOldPen);
}

void CLine::Serialize(CArchive &ar)
{
	CObject::Serialize(ar);

	if (ar.IsStoring())
	{
		ar << m_ptFrom << m_ptTo << (DWORD) m_crColor << m_nWidth;
	}
	else
	{
		ar >> m_ptFrom >> m_ptTo >> (DWORD) m_crColor >> m_nWidth;
	}
}