dlgrelation.cpp

一个完整的彩票软件的源代码

// DlgRelation.cpp : implementation file
//

#include "stdafx.h"
#include "Lottery.h"
#include "DlgRelation.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDlgRelation dialog


CDlgRelation::CDlgRelation(CWnd* pParent /*=NULL*/)
	: CDialog(CDlgRelation::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDlgRelation)
	//}}AFX_DATA_INIT
	m_isFilled=FALSE;
	m_nFactor=1;
	m_dMax=m_dAve=m_dStd=0;
	m_dMin=INT_MAX;
}


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


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

/////////////////////////////////////////////////////////////////////////////
// CDlgRelation message handlers

void CDlgRelation::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	
	if (m_list.m_hWnd)
	{
		m_list.MoveWindow(0,0,cx,cy/2);
	}
	m_nWidth=cx;
	m_nHeight=cy;
}

BOOL CDlgRelation::OnInitDialog() 
{
	CDialog::OnInitDialog();
	m_pBuf=NULL;

	DWORD style=m_list.GetExtendedStyle();
	style |=(LVS_EX_FLATSB|LVS_EX_GRIDLINES|LVS_EX_ONECLICKACTIVATE|LVS_EX_FULLROWSELECT);
	m_list.SetExtendedStyle(style);
	m_list.SetBkColor(RGB(64,64,64));
	m_list.SetTextBkColor(RGB(64,64,64));
	m_list.SetTextColor(RGB(255,255,0));


	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CDlgRelation::OnPaint() 
{
	int nBase=50;
	CPaintDC dc(this); // device context for painting
	CBrush bkBrush(RGB(64,64,64));
	dc.FillRect(CRect(0,m_nHeight/2+2,m_nWidth,m_nHeight),&bkBrush);
	bkBrush.DeleteObject();
	CPen penCord(PS_SOLID,1,RGB(255,255,0)),penLine(PS_SOLID,1,RGB(0,255,0)),*pOldPen;
	pOldPen=dc.SelectObject(&penCord);
	dc.MoveTo(1,m_nHeight-nBase);
	dc.LineTo(m_nWidth,m_nHeight-nBase);
	
	if (!m_isFilled)
	{
		GetRelationData();
		m_isFilled=TRUE;
	}

	CString strText;
	dc.SetTextColor(RGB(255,255,255));
	dc.SetBkColor(RGB(64,64,64));
	pOldPen=dc.SelectObject(&penCord);
	for (int i=0; i<50; i+=1)
	{
		strText.Format("%d",i);
		CRect rect=CRect(i*28*m_nFactor-10,m_nHeight-nBase+7,i*28*m_nFactor+10,m_nHeight-nBase+27);
		dc.DrawText(strText,&rect,DT_CENTER);
		dc.MoveTo(i*28*m_nFactor,m_nHeight-nBase);
		dc.LineTo(i*28*m_nFactor,m_nHeight-nBase+9);
	}
	CRect rect3(m_nWidth-80,m_nHeight/2+5,m_nWidth-10,m_nHeight/2+80);
	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|DT_NOCLIP);
	dc.SelectObject(&penLine);
	for (i=0; i<m_nSize; i++)
	{
		UINT temp=m_pBuf[i];
		int nOrder=1;
		for (int j=i+1; j<m_nSize; j++)
		{
			if (temp != m_pBuf[j]) break;
			nOrder++;
		}
		dc.MoveTo(m_pBuf[i]*m_nFactor,m_nHeight-nBase-1);
		dc.LineTo(m_pBuf[i]*m_nFactor,m_nHeight-nBase-20*nOrder-1);
		i+=nOrder-1;
	}
	dc.SelectObject(pOldPen);
	penCord.DeleteObject();
	penLine.DeleteObject();
}

void CDlgRelation::OnDestroy() 
{
	CDialog::OnDestroy();
	
	if (m_pBuf) delete[] m_pBuf;
	
}

BOOL CDlgRelation::PreTranslateMessage(MSG* pMsg) 
{
	if (pMsg->message==WM_KEYDOWN)
	{
		int nChar=pMsg->wParam;
		BOOL bShouldRedraw=FALSE;
		switch (nChar)
		{
			case VK_SUBTRACT:
				if (m_nFactor > 1)
				{
					m_nFactor--;
					bShouldRedraw=TRUE;
				}
				break;
			case VK_ADD:
				if (m_nFactor < 10)
				{
					m_nFactor++;
					bShouldRedraw=TRUE;
				}
				break;
		}
		if (bShouldRedraw)
		{
			CRect rect(0,m_nHeight/2,m_nWidth,m_nHeight);
			InvalidateRect(&rect);
		}
	}
	return CDialog::PreTranslateMessage(pMsg);
}

void CDlgRelation::GetRelationData()
{
	int count=m_pArray->GetSize();
	m_nSize=count;
	if (!m_pBuf) m_pBuf=new UINT[count];
	LOTTERY lty;
	for (int i=0; i<count; i++)
	{
		lty=m_pArray->GetAt(i);
		m_pBuf[i]=lty.RelationAnalysis();
	}
	for (i=0; i<count; i++)
	{
		for (int j=i+1; j<count; j++)
		{
			if (m_pBuf[i] < m_pBuf[j])
			{
				UINT temp=m_pBuf[i];
				m_pBuf[i]=m_pBuf[j];
				m_pBuf[j]=temp;
			}
		}
	}
	if (m_dMin==INT_MAX)
	{
		double dSum=0;
		for (int i=0; i<m_nSize; i++)
		{
			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/m_nSize;
		m_dAve/=28.0;
		m_dMax/=28.0;
		m_dMin/=28.0;
		double dStd=0;
		for (i=0; i<m_nSize; i++)
		{
			dStd+=(m_pBuf[i]/28.0 - m_dAve)*(m_pBuf[i]/28.0 - m_dAve);
		}
		m_dStd=sqrt(dStd);
	}
}