mempage2.cpp

操作系统实验演示代码(三个实验

// MemPage2.cpp : implementation file
//

#include "stdafx.h"
#include "OSDemo.h"
#include "MemPage2.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMemPage2 dialog


CMemPage2::CMemPage2(CWnd* pParent /*=NULL*/)
	: CDialog(CMemPage2::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMemPage2)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CMemPage2::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMemPage2)
	DDX_Control(pDX, IDC_DRAW, m_Draw);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CMemPage2, CDialog)
	//{{AFX_MSG_MAP(CMemPage2)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMemPage2 message handlers

BOOL CMemPage2::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	bDraw=false;
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CMemPage2::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	//InitGrah();
	//if(bDraw) 
	//	DrawPotLine();
    if(graphComplete)
		{
           CDC* DrawDC=m_Draw.GetDC();
		    testGraph->DrawGraph(DrawDC);
		}
	// TODO: Add your message handler code here
	
	// Do not call CDialog::OnPaint() for painting messages
}
void CMemPage2::InitGrah()
{
    int i;
	CString crText;
	CClientDC dc(GetDlgItem(IDC_DRAW));
	CPen lPen(PS_SOLID,2,RGB(200,0,50));
	CPen *lOldPen=dc.SelectObject(&lPen);
	dc.MoveTo(20,0);
	
	dc.LineTo(20,260);
    dc.LineTo(550,260);
	dc.MoveTo(550,260);
	CPen lDraw(PS_SOLID,1,RGB(200,0,50));
    
	dc.SelectObject(&lDraw);
	for (i=1;i<=10;i++)
	{
		crText.Format("%d",i*10);
		dc.MoveTo(17,260-25*i);
		dc.LineTo(23,260-25*i);
        DrawText(0,255-25*i,crText);
	}
    for (i=4;i<=32;i++)
	{
		crText.Format("%d",i);
		
		dc.MoveTo(20+18*(i-3),257);
		dc.LineTo(20+18*(i-3),263);
		DrawText(20+18*(i-3)-4,265,crText);
	}
	DrawText(480,235,"物理内存页数");
	DrawText(30,0,"命中率");
	
	dc.SelectObject(lOldPen);
	
}



void CMemPage2::DrawText(int x, int y, CString Text)
{
     CClientDC dc(GetDlgItem(IDC_DRAW)); 
	CFont m_TextFont;
	m_TextFont.CreateFont(12, 0, 0, 0, FW_NORMAL, 0, FALSE, FALSE,
			DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
			FIXED_PITCH | FF_ROMAN, "宋体");
	TEXTMETRIC tm;
	dc.GetTextMetrics(&tm);
	CFont* oldFont = dc.SelectObject(&m_TextFont);
	dc.SetBkMode(TRANSPARENT);
	COLORREF oldColor = dc.SetTextColor(RGB(0,0,0));
    dc.TextOut(x,y,Text);
}

void CMemPage2::Draw3dLine()
{
    int i;
	testGraph = new CGraph(LINE_GRAPH_3D);
	testGraph->SetGraphTitle("详细命中情况图");
	testGraph->SetXAxisAlignment(0);
	testGraph->SetXAxisLabel("Memory Page Size (KB)");
	testGraph->SetYAxisLabel("Hit rate");
	testGraph->Set3DDepthRatio(.1);
	testGraph->Set3DLineBase(0,0);
    for (i=0;i<potFIFO.GetSize();i++)
	{
		CGraphSeries* series1 = new CGraphSeries();
		CString AxisStr;
		AxisStr.Format("%d",i+4);
		series1->SetLabel(AxisStr);
	
		series1->SetData(0, potFIFO[i].rate);	
		series1->SetData(1, potOPT[i].rate);
		series1->SetData(2, potLRU[i].rate);
	
		testGraph->AddSeries(series1);
		if (potFIFO.GetSize()>20) i++;
	}
	

	testGraph->SetTickLimits(0, 100, 10);

	testGraph->SetColor(0, RED);
	testGraph->SetColor(1, FOREST_GREEN);
	testGraph->SetColor(2, SKY_BLUE);

	//set up legend
	testGraph->SetLegend(0, "FIFO");
	testGraph->SetLegend(1, "OPT");
	testGraph->SetLegend(2, "LRU");
		
	graphComplete = TRUE;
	Invalidate(TRUE);
}