mempage1.cpp

操作系统实验演示代码(三个实验

// MemPage1.cpp : implementation file
//

#include "stdafx.h"
#include "OSDemo.h"
#include "MemPage1.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMemPage1 dialog


CMemPage1::CMemPage1(CWnd* pParent /*=NULL*/)
	: CDialog(CMemPage1::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMemPage1)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CMemPage1::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMemPage1)
	DDX_Control(pDX, IDC_DRAW, m_Draw);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CMemPage1, CDialog)
	//{{AFX_MSG_MAP(CMemPage1)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMemPage1 message handlers

BOOL CMemPage1::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 CMemPage1::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	InitGrah();
	if(bDraw) 
		//DrawPotLine();
        DrawBar();




}

void CMemPage1::InitGrah()
{
    int i;
	CString crText;
	CClientDC dc(GetDlgItem(IDC_DRAW));
	CPen lPen(PS_SOLID,2,RGB(200,0,50));
	CPen *lOldPen=dc.SelectObject(&lPen);
	CBrush blackBrush;
	 blackBrush.CreateSolidBrush(RGB(0,0,0));
	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=0;i<=3;i++)
	{
		crText.Format("%dK",(int)pow(2,i));
		
		dc.MoveTo(90+100*i,257);
		dc.LineTo(90+100*i,263);
		DrawText(85+100*i,265,crText);
	}
	
	DrawText(500,235,"页面大小");
	DrawText(30,0,"命中率");
	
	dc.SelectObject(lOldPen);
	
	CBrush ShowBrush;
	CRect rect1(500,80,510,90);
	CRect rect2(500,100,510,110);
	CRect rect3(500,120,510,130);
	
	ShowBrush.CreateSolidBrush(RGB(200,0,200));
	dc.FillRect(&rect1,&ShowBrush);
	ShowBrush.CreateSolidBrush(RGB(100,0,200));
	dc.FillRect(&rect2,&ShowBrush);
    ShowBrush.CreateSolidBrush(RGB(100,135,100));
	dc.FillRect(&rect3,&ShowBrush);
	dc.FrameRect(&rect1,&blackBrush);
	dc.FrameRect(&rect2,&blackBrush);
	dc.FrameRect(&rect3,&blackBrush);
    DrawText(520,78,"FIFO");
	DrawText(520,98,"OPT");
	DrawText(520,118,"LRU");
	
}

//DEL void CMemPage1::DrawPotLine()
//DEL {
//DEL      int i;
//DEL 	 CClientDC dc(GetDlgItem(IDC_DRAW)); 
//DEL 	 CPen blackPen(PS_SOLID,1,RGB(0,0,0));
//DEL 	 for (i=0;i<4;i++)
//DEL 	 {
//DEL 		 CPen Pen(PS_SOLID,1,RGB(200,0,200));
//DEL 		 dc.SelectObject(&Pen);
//DEL 		 if (i>0)
//DEL 		 {
//DEL 			 dc.MoveTo(20+60*(int)pow(2,i-1),260-potFIFO[i-1].rate*25/10);
//DEL 			 dc.LineTo(20+60*(int)pow(2,i),260-potFIFO[i].rate*25/10);
//DEL 		 }
//DEL          dc.Ellipse(17+60*pow(2,i),257-potFIFO[i].rate*25/10,23+60*pow(2,i),263-potFIFO[i].rate*25/10);
//DEL 	 }
//DEL 	 for (i=0;i<4;i++)
//DEL 	 {
//DEL 		 CPen Pen(PS_SOLID,1,RGB(100,0,200));
//DEL 		 dc.SelectObject(&Pen);
//DEL 		if (i>0)
//DEL 		 {
//DEL 			 dc.MoveTo(20+60*(int)pow(2,i-1),260-potOPT[i-1].rate*25/10);
//DEL 			 dc.LineTo(20+60*(int)pow(2,i),260-potOPT[i].rate*25/10);
//DEL 		 }
//DEL 	     dc.Ellipse(17+60*pow(2,i),257-potOPT[i].rate*25/10,23+60*pow(2,i),263-potOPT[i].rate*25/10);
//DEL 	 }
//DEL 	 for (i=0;i<4;i++)
//DEL 	 {
//DEL 		 CPen Pen(PS_SOLID,1,RGB(100,135,100));
//DEL 		 dc.SelectObject(&Pen);
//DEL 		if (i>0)
//DEL 		 {
//DEL 			 dc.MoveTo(20+60*(int)pow(2,i-1),260-potLRU[i-1].rate*25/10);
//DEL 			 dc.LineTo(20+60*(int)pow(2,i),260-potLRU[i].rate*25/10);
//DEL 		 }
//DEL          dc.Ellipse(17+60*pow(2,i),257-potLRU[i].rate*25/10,23+60*pow(2,i),263-potLRU[i].rate*25/10);
//DEL 	 }
//DEL }

void CMemPage1::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 CMemPage1::DrawBar()
{
    int i;
	CString RateStr;
	 CClientDC dc(GetDlgItem(IDC_DRAW)); 
	 CPen blackPen(PS_SOLID,1,RGB(0,0,0));
	 CBrush blackBrush;
	 blackBrush.CreateSolidBrush(RGB(0,0,0));

	 for (i=0;i<4;i++)
	 {
		 CPen Pen(PS_SOLID,1,RGB(0,0,0));
		 CBrush FIFOBrush;
		 FIFOBrush.CreateSolidBrush(RGB(200,0,200));
         dc.SetBkMode(RGB(200,0,200));
		 dc.SelectObject(&Pen);
		 CRect FIFOBar(60+100*i,257-potFIFO[i].rate*25/10,80+100*i,260);
		 RateStr.Format("%d%%",potFIFO[i].rate);
		 dc.Rectangle(&FIFOBar);
		 dc.FillRect(&FIFOBar,&FIFOBrush);
		 dc.FrameRect(&FIFOBar,&blackBrush);
		 DrawText(60+100*i,240-potFIFO[i].rate*25/10,RateStr);
	 }
	 for (i=0;i<4;i++)
	 {
		 CPen Pen(PS_SOLID,1,RGB(0,0,0));
		 CBrush OPTBrush;
		 OPTBrush.CreateSolidBrush(RGB(100,0,200));
         dc.SetBkMode(RGB(200,0,200));
		 dc.SelectObject(&Pen);
		 CRect OPTBar(85+100*i,257-potOPT[i].rate*25/10,105+100*i,260);
		 RateStr.Format("%d%%",potOPT[i].rate);
		 dc.Rectangle(&OPTBar);
		 dc.FillRect(&OPTBar,&OPTBrush);
		 dc.FrameRect(&OPTBar,&blackBrush);
		 DrawText(85+100*i,240-potOPT[i].rate*25/10,RateStr);
	
	    
	 }
	 for (i=0;i<4;i++)
	 {
		 
		 CPen Pen(PS_SOLID,1,RGB(0,0,0));
		 CBrush LRUBrush;
		 LRUBrush.CreateSolidBrush(RGB(100,135,100));
         dc.SetBkMode(RGB(200,0,200));
		 dc.SelectObject(&Pen);
		 CRect LRUBar(110+100*i,257-potLRU[i].rate*25/10,130+100*i,260);
		 RateStr.Format("%d%%",potLRU[i].rate);
		 dc.Rectangle(&LRUBar);
		 dc.FillRect(&LRUBar,&LRUBrush);
		 dc.FrameRect(&LRUBar,&blackBrush);
		 DrawText(110+100*i,240-potLRU[i].rate*25/10,RateStr);
	 }
}