graph.cpp

用vc编写的简单的画图程序

// Graph.cpp: implementation of the CGraph class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
//#include "Graphic.h"
#include "Graph.h"

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

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

IMPLEMENT_SERIAL(CGraph, CObject, 1 )

CGraph::CGraph()
{

}

CGraph::CGraph(UINT m_lineTye,CPoint m_ptOrg,CPoint m_ptEnd,COLORREF m_lineColor,UINT m_lineWidth,BOOL m_fill)
{
	this->m_lineTye=m_lineTye;
	this->m_ptOrg=m_ptOrg;
	this->m_ptEnd=m_ptEnd;
	this->m_lineColor=m_lineColor;
	this->m_lineWidth=m_lineWidth;
	this->m_fill=m_fill;
}

CGraph::~CGraph()
{

}

void CGraph::Serialize(CArchive& ar)
{
	if(ar.IsStoring())
	{
		ar<<m_lineTye<<m_ptOrg<<m_ptEnd<<m_lineColor<<m_lineWidth<<m_fill;
	}
	else
	{
		ar>>m_lineTye>>m_ptOrg>>m_ptEnd>>m_lineColor>>m_lineWidth>>m_fill;
	}
}

void CGraph::Draw(CDC *pDC)
{
	CBrush *pBrush=CBrush::FromHandle((HBRUSH)GetStockObject(NULL_BRUSH));
	CBrush *pOldBrush=pDC->SelectObject(pBrush);
	CPen pen;
	pen.CreatePen(PS_SOLID,m_lineWidth,m_lineColor);
	CPen* pOldpen=pDC->SelectObject(&pen);

	switch(m_lineTye)
	{
	case 1:
		pDC->SetPixel(m_ptEnd,RGB(0,0,0));
		break;
	case 2:
		pDC->MoveTo(m_ptOrg);
		pDC->LineTo(m_ptEnd);
		break;
	case 3:
		pDC->Rectangle(CRect(m_ptOrg,m_ptEnd));
		if(m_fill)
		{
			pDC->FillSolidRect(CRect(m_ptOrg,m_ptEnd),m_lineColor);
		}
		break;
	case 4:
		pDC->Ellipse(CRect(m_ptOrg,m_ptEnd));
		if(m_fill)
		{
			CBrush pBrush(m_lineColor);
			CRgn rgn;
			rgn.CreateEllipticRgn(m_ptOrg.x,m_ptOrg.y,m_ptEnd.x,m_ptEnd.y);
			pDC->FillRgn(&rgn,&pBrush);
		}
		break;
	}
	pDC->SelectObject(pOldBrush);
	pDC->SelectObject(pOldpen);
}