digitbpdlg.cpp

利用BP算法实现手写体识别功能

// DigitBpDlg.cpp : implementation file
//

#include "stdafx.h"
#include "DigitBp.h"
#include "DigitBpDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDigitBpDlg dialog

CDigitBpDlg::CDigitBpDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDigitBpDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDigitBpDlg)
	m_strResult = _T("");
	m_strError = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDigitBpDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDigitBpDlg)
	DDX_Control(pDX, IDC_COMBO2, m_wndComBox);
	DDX_Text(pDX, IDC_EDIT1, m_strResult);
	DDX_Text(pDX, IDC_EDIT2, m_strError);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDigitBpDlg, CDialog)
	//{{AFX_MSG_MAP(CDigitBpDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CLEAR, OnClear)
	ON_BN_CLICKED(IDC_RUN, OnRun)
	ON_BN_CLICKED(IDC_SAMPLING, OnSampling)
	ON_BN_CLICKED(IDC_TRAIN, OnTrain)
	ON_CBN_EDITCHANGE(IDC_COMBO2, OnEditchangeCombo2)
	ON_CBN_DROPDOWN(IDC_COMBO2, OnDropdownCombo2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDigitBpDlg message handlers

BOOL CDigitBpDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

		//继承子类
    m_wndInput.SubclassDlgItem (IDC_INPUTWND,this);       ///
	

	m_wndComBox.SetCurSel (0);
	
	//初始化数据
	m_wndInput.Initialization ();
	

	//判断是否已经经过采样
	if(!m_wndInput.m_bTrain )
	{
		GetDlgItem(IDC_RUN)->EnableWindow (FALSE);
		GetDlgItem(IDC_TRAIN)->EnableWindow (FALSE);
	}                                                          ///

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CDigitBpDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CDigitBpDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CDigitBpDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CDigitBpDlg::OnClear() 
{
	// TODO: Add your control notification handler code here
	for(int i=0;i<LEN;i++)
		for(int j=0;j<LEN;j++)
		{
			m_wndInput.m_bArray[i][j]=0;
		}
		this->Invalidate ();
	
}

void CDigitBpDlg::OnRun() 
{
	// TODO: Add your control notification handler code here
	m_wndInput.GetInput (10);
	RESULT r=m_wndInput.Identification ();

	if(r.result !=-1)
	{
    m_strResult.Format ("%d",r.result );
	m_strError.Format ("%f",r.error );
	}
	else
	{
	m_strResult.Format ("%s","识别失败");
	m_strError.Format ("%s","大于精度");
	}
    UpdateData(FALSE);
}

void CDigitBpDlg::OnSampling() 
{
	// TODO: Add your control notification handler code here
	m_wndInput.GetInput (m_wndComBox.GetCurSel ());
    if(m_wndInput.m_bTrain)
	{
		GetDlgItem(IDC_RUN)->EnableWindow (TRUE);
		GetDlgItem(IDC_TRAIN)->EnableWindow (TRUE);
	}
}

void CDigitBpDlg::OnTrain() 
{
	// TODO: Add your control notification handler code here
		m_wndInput.Training (m_wndComBox.GetCurSel ());	
}

HBRUSH CDigitBpDlg::OnCtlColor(CDC *pDC, CWnd *pWnd, UINT nCtlColor)
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);


	return hbr;

}

void CDigitBpDlg::OnSize(UINT nType, int cx, int cy)
{
	CDialog::OnSize(nType, cx, cy);

}



void CDigitBpDlg::OnEditchangeCombo2() 
{
	// TODO: Add your control notification handler code here
	
}

void CDigitBpDlg::OnDropdownCombo2() 
{
	// TODO: Add your control notification handler code here
	
}