numrecogbpdlg.cpp

采用BP神经网络算法实现的大写金融汉字识别软件的核心识别功能

// NumRecogBPDlg.cpp : implementation file
//

#include "stdafx.h"
#include "NumRecogBP.h"
#include "NumRecogBPDlg.h"

#include <fstream.h>
#include <time.h>
#include <stdlib.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()

/////////////////////////////////////////////////////////////////////////////
// CNumRecogBPDlg dialog

CNumRecogBPDlg::CNumRecogBPDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CNumRecogBPDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CNumRecogBPDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CNumRecogBPDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CNumRecogBPDlg)
	DDX_Control(pDX, IDC_SPIN_TRAINNUM, m_TrainNum);
	DDX_Control(pDX, IDC_LIST_RUNINFOR, m_RunInfor);
	DDX_Control(pDX, IDC_PIC_RECOG, m_RecogPic);
	DDX_Control(pDX, IDC_PIC_TRAIN, m_TrainPic);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CNumRecogBPDlg, CDialog)
	//{{AFX_MSG_MAP(CNumRecogBPDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_TRAIN, OnButtonTrain)
	ON_BN_CLICKED(IDC_BUTTON_RECOG, OnButtonRecog)
	ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN_TRAINNUM, OnDeltaposSpinTrainnum)
	ON_BN_CLICKED(IDC_BUTTON_OPENRECOGFILE, OnOpenrecogfile)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CNumRecogBPDlg message handlers

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

	// 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
	// 设置滚动条范围
	m_TrainNum.SetRange(0,NN_NUMBERS-1);
	m_TrainNum.SetPos(0);

	// 打开文件(程序开始时，自动打开训练文件)
	ifstream traindata("train.dat", ios::nocreate);

	// 检查文件的有效性
	if(!traindata)
	{
		MessageBox("没有找到保存训练数据的文件!", "程序无法运行!",
			MB_OK|MB_ICONERROR);
	}

	// 读文件
	for(int i=0; i<NN_NUMBERS; i++)
	{
		for(int j=0; j<NN_RESX*NN_RESY; j++)
		{
			int onoff;
			traindata >> onoff;
			m_iTrainData[i][j] = onoff;
		}
	}

	// 设置初始要画的数字指针
	m_ipDrawTrainNum = &m_iTrainData[0][0];
	m_ipDrawRecogNum = NULL;  // 初始化时未打开识别文件，设置为空指针

	GetDlgItem(IDC_BUTTON_RECOG)->EnableWindow(false);  // 初始化为灰化，运行训练后再开始识别
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CNumRecogBPDlg::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.

// 绘图响应函数
void CNumRecogBPDlg::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
	{
		CPaintDC dc(this);
		CDialog::OnPaint();

		// 获取绘画区域
		CRect rect_Train;  // 训练窗口
		CRect rect_Recog;  // 识别窗口

		// 生成训练窗口绘图区
		m_TrainPic.GetClientRect(&rect_Train);
		m_TrainPic.ClientToScreen(&rect_Train);
		ScreenToClient(&rect_Train);
		dc.FrameRect(&rect_Train, &CBrush(RGB(0,0,0)));
		rect_Train.DeflateRect(1,1);
		dc.FillSolidRect(rect_Train,RGB(255,255,255));
	
		// 生成识别窗口绘图区
		m_RecogPic.GetClientRect(&rect_Recog);
		m_RecogPic.ClientToScreen(&rect_Recog);
		ScreenToClient(&rect_Recog);
		dc.FrameRect(&rect_Recog, &CBrush(RGB(0,0,0)));
		rect_Recog.DeflateRect(1,1);
		dc.FillSolidRect(rect_Recog,RGB(255,255,255));

		if(m_bDrawNum == 1)
		{
			DrawRecogNumber(&dc, m_ipDrawRecogNum, &rect_Recog);
		}

		// 画数字
		DrawTrainNumber(&dc, m_ipDrawTrainNum, &rect_Train);
	}
}

///////////////////////////////////////////////////////////////
// 画训练数字函数
void CNumRecogBPDlg::DrawTrainNumber(CDC *dc, int *cell, CRect *rect)
{
	// 下面的计算主要是使得数字画在矩形筐的正中央
	CPoint dot;
	dot.x = rect->Width()/2 - (NN_RESX*10)/2;
	dot.y = rect->Height()/2 - (NN_RESY*10)/2;

	dot.Offset(rect->TopLeft());
	int ix = dot.x;  // 保存X坐标的初始位置


	// 显示一些文本
	CRect format(dot.x - 13, dot.y + NN_RESY*10 + 5,
		dot.x + NN_RESX*10 + 13, dot.y + NN_RESY*10 + 21);

	CFont fnt;
	fnt.CreatePointFont(90, "宋体");
	CFont *pOldFont = dc->SelectObject(&fnt);
	dc->SetTextColor(RGB(0, 0, 127));
	dc->DrawText("标准训练数字", format, DT_CENTER);
	dc->SelectObject(pOldFont);

	// 画数字
	for(int i=0; i<NN_RESX*NN_RESY; i++)
	{
		if((*cell)==1)
		{
			dc->FillSolidRect(dot.x, dot.y-10, 10, 10, RGB(0, 0, 0));
		}
		dot.x += 10;
		if(dot.x==ix+10*NN_RESX)
		{
			dot.x = ix;
			dot.y += 10; 
		}
		cell ++;
	}
}

// 画识别数字函数
void CNumRecogBPDlg::DrawRecogNumber(CDC *dc, int *cell, CRect *rect)
{
	// 下面的计算主要是使得数字画在矩形筐的正中央
	CPoint dot;
	dot.x = rect->Width()/2 - (NN_RESX*10)/2;
	dot.y = rect->Height()/2 - (NN_RESY*10)/2;

	dot.Offset(rect->TopLeft());
	int ix = dot.x;  // 保存X坐标的初始位置


	// 显示一些文本
	CRect format(dot.x - 13, dot.y + NN_RESY*10 + 5,
		dot.x + NN_RESX*10 + 13, dot.y + NN_RESY*10 + 21);

	CFont fnt;
	fnt.CreatePointFont(90, "宋体");
	CFont *pOldFont = dc->SelectObject(&fnt);
	dc->SetTextColor(RGB(0, 0, 127));
	dc->DrawText("待识别数字", format, DT_CENTER);
	dc->SelectObject(pOldFont);

	// 画数字
	for(int i=0; i<NN_RESX*NN_RESY; i++)
	{
		if((*cell)==1)