graphtriangle.cpp

一个简单的画图程序 可以画点线面等

// GraphTriangle.cpp: implementation of the CGraphTriangle class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "smallcad203.h"
#include "GraphTriangle.h"

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

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

CGraphTriangle::CGraphTriangle():m_point1(-2000,0),m_point2(-2000,0),m_point3(-2000,0)
{
	nflag=4;
	a=0;

}

CGraphTriangle::~CGraphTriangle()
{

}

void CGraphTriangle::SetPoint1(CPoint point)
{
	m_point1=point;

}

CPoint CGraphTriangle::GetPoint1()
{
	return m_point1;

}

void CGraphTriangle::SetPoint2(CPoint point)
{
	m_point2=point;

}

CPoint CGraphTriangle::GetPoint2()
{
	return m_point2;

}
void CGraphTriangle::SetPoint3(CPoint point)
{
	m_point3=point;

}

CPoint CGraphTriangle::GetPoint3()
{
	return m_point3;

}
void CGraphTriangle::Draw(CDC *pDC)
{
	CPen pen;
	CPen *Oldpen;
	pen.CreatePen(PS_SOLID,m_scale,m_color);
		pDC->SelectStockObject(NULL_BRUSH);
	Oldpen=pDC->SelectObject(&pen);
	if(m_point1.x>=0)
		pDC->MoveTo(m_point1);
	if(m_point2.x>=0)
		pDC->LineTo(m_point2);
	if(m_point3.x>=0)
	{
		pDC->MoveTo(m_point1);
		pDC->LineTo(m_point3);
		pDC->MoveTo(m_point2);
		pDC->LineTo(m_point3);
	}
	pDC->SelectObject(&pen);
}




void CGraphTriangle::Serialize(CArchive& ar)
{

	if(ar.IsStoring())
	{
		ar<<this->m_point1<<this->m_point2<<m_point3;
	}
	else
	{
		ar>>this->m_point1>>this->m_point2>>m_point3;
	}
}