手写0-9识别 VC怎么实现呀？还要做界面 没有这方面的经验

Question

[size=16px]简单手写0-9的识别 ，VC怎么实现呀？要做界面 ，写一个2，跟特征库特征相比对，实现识别2。没有这方面的经验啊  请高人指点！[/size]

Answer 1

给你一个完整的代码吧：
.cpp
#include "stdafx.h"
#include "RegFigure.h"
#include "RegFigureDlg.h"#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App Aboutclass 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()/////////////////////////////////////////////////////////////////////////////
// CRegFigureDlg dialogCRegFigureDlg::CRegFigureDlg(CWnd* pParent /*=NULL*/)
: CDialog(CRegFigureDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CRegFigureDlg)
// 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(IDI_ICON2);
m_Buttondowned = FALSE;
m_curpen= 0;
m_Isreg = FALSE;

m_Figure.DotCount = 0;
}void CRegFigureDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CRegFigureDlg)
DDX_Control(pDX, IDC_PANEL, m_Panel);
//}}AFX_DATA_MAP
}BEGIN_MESSAGE_MAP(CRegFigureDlg, CDialog)
//{{AFX_MSG_MAP(CRegFigureDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
ON_BN_CLICKED(IDC_REG, OnReg)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////
// CRegFigureDlg message handlersBOOL CRegFigureDlg::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
pen.CreatePen(PS_SOLID,5,RGB(0,0,0));

m_Panel.GetClientRect(m_rect);
//MapWindowPoints(&m_Panel,m_rect); m_Figure.DotCount = 0; for (int i =0; i<16; i++)
{
m_Figure.Direction[i]= none;
}
return TRUE;  // return TRUE  unless you set the focus to a control
}void CRegFigureDlg::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 CRegFigureDlg::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();
}
//m_rect.CopyRect(CRect (50,80,200,300));
}// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CRegFigureDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}void CRegFigureDlg::OnLButtonDown(UINT nFlags, CPoint point) 
{
m_Buttondowned = TRUE;
m_Startpt = point;
m_Prept = point;

if(m_rect.PtInRect(point))
m_Figure.DotCount += 1; CDialog::OnLButtonDown(nFlags, point);
}void CRegFigureDlg::OnLButtonUp(UINT nFlags, CPoint point) 
{
m_curpen = 0;
m_Endpt = point;
m_Buttondowned = FALSE;
CDialog::OnLButtonUp(nFlags, point);
}void CRegFigureDlg::OnMouseMove(UINT nFlags, CPoint point) 
{
if (m_Buttondowned)
if (m_rect.PtInRect(point))
{
CDC* pDC = m_Panel.GetDC();
pDC->SelectObject(&pen);
pDC->MoveTo(point);
pDC->LineTo(CPoint(point.x+1,point.y+1));

if (m_curpen>15)
return;
if (point.x>m_Prept.x+30) //向右
{
if (m_Figure.Direction[m_curpen]==none)
m_Figure.Direction[m_curpen] = right;
else if (m_Figure.Direction[m_curpen] != right)
{
m_curpen+=1;
m_Figure.Direction[m_curpen] = right;
}
m_Prept = point;
}
else if (point.y>m_Prept.y+30)
{
if (m_Figure.Direction[m_curpen]==none)
m_Figure.Direction[m_curpen] = down;
else if (m_Figure.Direction[m_curpen] != down)
{
m_curpen+=1;
m_Figure.Direction[m_curpen] = down;
}
m_Prept = point;
}
else if (point.x<m_Prept.x-30)
{
if (m_Figure.Direction[m_curpen]==none)
m_Figure.Direction[m_curpen] = left;
else if (m_Figure.Direction[m_curpen] != left)
{
m_curpen+=1;
m_Figure.Direction[m_curpen] = left;
}
m_Prept = point;
}
else if (point.y< m_Prept.y-30)
{
if (m_Figure.Direction[m_curpen]==none)
m_Figure.Direction[m_curpen]= up;
else if (m_Figure.Direction[m_curpen] != up)
{
m_curpen+=1;
m_Figure.Direction[m_curpen] = up;
}
m_Prept = point;
}
}
CDialog::OnMouseMove(nFlags, point);
}void CRegFigureDlg::DrawGrid(int row, int col)
{
CDC* pDC = m_Panel.GetDC();
CRect rect;
m_Panel.GetClientRect(rect);
for (int i = 0; i<row+1; i++)
{
pDC->MoveTo(0,i*30);
pDC->LineTo(rect.Width(),i*30);
}

for (int j = 0; j<col+1;j++)
{
pDC->MoveTo(j*30,0);
pDC->LineTo(j*30,rect.Height());
}
}void CRegFigureDlg::OnOK() 
{
DrawGrid(9,9);
}void CRegFigureDlg::OnReg() 
{
if (m_Figure.Direction[0]==down) //判断1
if (m_Figure.Direction[1]==none)
{
if ( m_Figure.DotCount == 1)
{
MessageBox("1"); for (int i =0; i<16; i++)
{
m_Figure.Direction[i]= none;
}
m_Figure.DotCount = 0;
m_Panel.Invalidate();
return;
}
}

if (m_Figure.Direction[0]==right) //判断7
if (m_Figure.Direction[1]==down)
if (m_Figure.Direction[2]==none)
{
if ( m_Figure.DotCount == 1)
{
MessageBox("7");
for (int i =0; i<16; i++)
{
m_Figure.Direction[i]= none;
}
m_Figure.DotCount = 0;
m_Panel.Invalidate();
return;
}
} if (m_Figure.Direction[0]==right) //判断2 
if (m_Figure.Direction[1]==down)
{
if (m_Figure.DotCount == 1)
{
if (m_Figure.Direction[2]==left)
{
if (m_Figure.Direction[3]==right)
if ( m_Figure.Direction[4]==none)
{
MessageBox("2");
for (int i =0; i<16; i++)
{
m_Figure.Direction[i]= none;
}
m_Figure.DotCount = 0;
m_Panel.Invalidate();
return;
}
}
else if (m_Figure.Direction[2]==right)
{
if (m_Figure.Direction[3]==none)
{
MessageBox("2");

for (int i =0; i<16; i++)
{
m_Figure.Direction[i]= none;
}
m_Figure.DotCount = 0;
m_Panel.Invalidate();
return;
} }
} }

if (m_Figure.Direction[0]==right) //判断3
if (m_Figure.Direction[1]==down)
if (m_Figure.DotCount==1)
{
if (m_Figure.Direction[2]==left)
if (m_Figure.Direction[3]==right)

{
MessageBox("3");
}

for (int i =0; i<16; i++)
{
m_Figure.Direction[i]= none;
}
m_Figure.DotCount = 0;
m_Panel.Invalidate();
return;
} for (int i =0; i<16; i++)
{
m_Figure.Direction[i]= none;
}
m_Figure.DotCount = 0;
m_Panel.Invalidate();
}

Answer 2

.h
// RegFigureDlg.h : header file
//#if !defined(AFX_REGFIGUREDLG_H__D9664395_532E_4B3B_B1B8_3382E5071471__INCLUDED_)
#define AFX_REGFIGUREDLG_H__D9664395_532E_4B3B_B1B8_3382E5071471__INCLUDED_#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000/////////////////////////////////////////////////////////////////////////////
// CRegFigureDlg dialogenum Dir{left,right,up,down,none};struct Figure
{
Dir  Direction[16]; //方向 0-left 1-right 2-up 3 -down 
int  DotCount ;    //断笔数
};
class CRegFigureDlg : public CDialog
{
// Construction
public:
void DrawGrid(int row,int col);
CRegFigureDlg(CWnd* pParent = NULL); // standard constructor CRect m_rect;
BOOL m_Buttondowned; 
CPen pen;
CPoint m_Startpt;
CPoint m_Endpt;

CPoint m_Prept;
Figure m_Figure;
int m_curpen;  //当前笔数
BOOL m_Isreg;  //是否开始识别// Dialog Data
//{{AFX_DATA(CRegFigureDlg)
enum { IDD = IDD_REGFIGURE_DIALOG };
CStatic m_Panel;
//}}AFX_DATA // ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CRegFigureDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL// Implementation
protected:
HICON m_hIcon; // Generated message map functions
//{{AFX_MSG(CRegFigureDlg)
virtual BOOL OnInitDialog();
afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
virtual void OnOK();
afx_msg void OnReg();
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.#endif // !defined(AFX_REGFIGUREDLG_H__D9664395_532E_4B3B_B1B8_3382E5071471__INCLUDED_)

Answer 3

如果不知道对话框如何布局，那就给我发邮件吧，我把整个文件给你发过去，自己看去。
我的邮箱是：[email protected]