dlgfrequency.cpp

一个完整的彩票软件的源代码

// DlgFrequency.cpp : implementation file
//

#include "stdafx.h"
#include "Lottery.h"
#include "DlgFrequency.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDlgFrequency dialog


CDlgFrequency::CDlgFrequency(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgFrequency::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgFrequency)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	m_isFilled=FALSE;
	m_pBuf=NULL;
	m_pBuf2=NULL;
	m_dMax=m_dAve=m_dStd=0;
	m_dMin=INT_MAX;
}


void CDlgFrequency::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDlgFrequency)
	DDX_Control(pDX, IDC_LIST2, m_list2);
	DDX_Control(pDX, IDC_LIST1, m_list);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDlgFrequency, CDialog)
	//{{AFX_MSG_MAP(CDlgFrequency)
	ON_WM_PAINT()
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDlgFrequency message handlers

BOOL CDlgFrequency::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	DWORD style=m_list.GetExtendedStyle();
	style |=(LVS_EX_FLATSB|LVS_EX_GRIDLINES|LVS_EX_ONECLICKACTIVATE|LVS_EX_FULLROWSELECT);
	m_list.SetExtendedStyle(style);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CDlgFrequency::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	int count=m_list2.GetCount();
	CRect rect;
	GetDlgItem(IDC_STATIC1)->GetClientRect(&rect);
	GetDlgItem(IDC_STATIC1)->ClientToScreen(&rect);
	ScreenToClient(&rect);
	CBrush bkBrush(RGB(64,64,64));
	dc.FillRect(&rect,&bkBrush);
	CPen penCord(PS_SOLID,1,RGB(255,255,0)),penLine(PS_SOLID,1,RGB(0,255,0)),*pOldPen;
	pOldPen=(CPen *)dc.SelectObject(&penCord);
	dc.MoveTo(rect.left+50, rect.top+20);
	dc.LineTo(rect.left+50, rect.bottom-10);
	if (!m_pBuf) 
	{
		m_pBuf=new double[count];
		for (int i=0; i<count; i++)
		{
			CString str;
			m_list2.GetText(i,str);
			int j=0;
			while (str.GetAt(j++) != ' ');
			CString str2=str.Mid(j);
			double fs=atof((char*)(const char*)str2);
			m_pBuf[i]=fs;
		}
		m_pBuf2=new UINT[count];
		double dSum=0;
		for (i=0; i<count; i++)
		{
			double temp=(m_pBuf[i] * 100.0 - 150.0) * 3.0;
			m_pBuf2[i]=(UINT)(temp);

			dSum+=m_pBuf[i];
			if (m_pBuf[i] > m_dMax) m_dMax=m_pBuf[i];
			if (m_pBuf[i] < m_dMin) m_dMin=m_pBuf[i];
		}
		m_dAve=dSum/count;
		double dStd=0;
		for (i=0; i<count; i++)
		{
			dStd+=(m_pBuf[i] - m_dAve)*(m_pBuf[i] - m_dAve);
		}
		m_dStd=sqrt(dStd);
		for (i=0; i<count; i++)
		{
			for (int j=i+1; j<count; j++)
			{
				if (m_pBuf2[i] < m_pBuf2[j])
				{
					UINT temp=m_pBuf2[j];
					m_pBuf2[j]=m_pBuf2[i];
					m_pBuf2[i]=temp;
				}
			}
		}
	}
	dc.SetBkColor(RGB(64,64,64));
	dc.SetTextColor(RGB(255,255,0));
	for (double x=1.600; x<2.500; x+=0.10)
	{
		CString str;
		str.Format("%5.2f",x);
		double t1=3.0*(x*100-150);
		CRect rect2(rect.left,(int)(t1-10),rect.left+50,(int)(t1+10));
		dc.DrawText(str,&rect2,DT_VCENTER|DT_CENTER);
		dc.MoveTo(rect.left+45,(int)t1);
		dc.LineTo(rect.left+50,(int)t1);
	}
	CRect rect3(rect.right-80,rect.bottom-80,rect.right-5,rect.bottom);
	CString str;
	str.Format("Max=%5.3f\r\nMin=%5.3f\r\nAve=%5.3f\r\nStd=%5.3f",m_dMax,m_dMin,m_dAve,m_dStd);
	dc.DrawText(str,&rect3,DT_RIGHT);
	dc.SelectObject(&penLine);
	for (int i=0; i<count; i++)
	{
		UINT temp=m_pBuf2[i];
		int j=1;
		while (temp==m_pBuf2[i+j]) j++;
		dc.MoveTo(rect.left+51, temp);
		dc.LineTo(rect.left+51 + j * 10, temp);
		i+=j;
	}
	dc.SelectObject(pOldPen);
	penCord.DeleteObject();
	bkBrush.DeleteObject();
}

void CDlgFrequency::OnDestroy() 
{
	CDialog::OnDestroy();
	
	if (m_pBuf) delete [] m_pBuf;	
	if (m_pBuf2) delete [] m_pBuf2;	
}
void CDlgFrequency::ForceInvalidate()
{
	OnPaint();
}