www.pudn.com > 条形码识别源码.rar > BarCodeDlg.cpp

// BarCodeDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "BarCode.h" 
#include "BarCodeDlg.h" 
 
#include "BarRecog.h" 
#include "AddSampleDlg.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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CBarCodeDlg dialog 
 
CBarCodeDlg::CBarCodeDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CBarCodeDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CBarCodeDlg) 
	m_strCodeStyle = _T(""); 
	m_strCodeNumber = _T(""); 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CBarCodeDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CBarCodeDlg) 
	DDX_Text(pDX, IDC_EDIT_CODE_STYLE, m_strCodeStyle); 
	DDX_Text(pDX, IDC_EDIT_CODE_NUMMER, m_strCodeNumber); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CBarCodeDlg, CDialog) 
	//{{AFX_MSG_MAP(CBarCodeDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_BTN_OPEN_FILE, OnBtnOpenFile) 
	ON_BN_CLICKED(IDC_BTN_PREV, OnBtnPrev) 
	ON_BN_CLICKED(IDC_BTN_NEXT, OnBtnNext) 
	ON_BN_CLICKED(IDC_BTN_RECOG, OnBtnRecog) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CBarCodeDlg message handlers 
 
BOOL CBarCodeDlg::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 
	CWnd *pWnd1 = (CWnd *)GetDlgItem(IDC_SHOW); 
	CRect rc; 
	pWnd1->GetWindowRect(&rc); 
	m_iDrawWidth  = rc.Width(); 
	m_iDrawHeight = rc.Height(); 
	pDCPic = pWnd1->GetDC(); 
	 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CBarCodeDlg::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 CBarCodeDlg::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(); 
		if((iTotalTestNum = arFilePathSet.GetSize()) > 0) 
		{ 
			CString strFile = arFilePathSet.GetAt(iCurTestNum); 
			barRecog.LoadImage(strFile); 
			barRecog.m_dib->Draw(pDCPic, m_iDrawWidth, m_iDrawHeight); 
		} 
	} 
} 
 
// The system calls this to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CBarCodeDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
/************************************************************************* 
 * 打开文件 
 ************************************************************************/ 
void CBarCodeDlg::OnBtnOpenFile()  
{ 
	CString FilePathName; 
 
	CAddSampleDlg FileDlg(TRUE, "", NULL,  
		OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT | OFN_ALLOWMULTISELECT,  
		"BMP格式条形码图象(*.bmp)|*.bmp|所有文件(*.*)|*.*||", 
		AfxGetMainWnd()); 
 
	if (FileDlg.DoModal () != IDOK) 
		return; 
 
	CString strFile; 
	CString strInfo; 
	arFilePathSet.RemoveAll(); 
	POSITION pos = FileDlg.GetStartPosition(); 
	 
	while( pos )  
	{ 
		strFile = FileDlg.GetNextPathName( pos );//获取文件名 
		arFilePathSet.Add(strFile); 
	} 
	if((iTotalTestNum = arFilePathSet.GetSize()) > 0) 
	{ 
		iCurTestNum = 0; 
		strFile = arFilePathSet.GetAt(0); 
		barRecog.LoadImage(strFile); 
		barRecog.m_dib->Draw(pDCPic, m_iDrawWidth, m_iDrawHeight); 
	} 
} 
 
void CBarCodeDlg::OnBtnPrev()  
{ 
	if(iCurTestNum <= 0) 
		return; 
	CString strFile; 
	iCurTestNum--; 
	strFile = arFilePathSet.GetAt(iCurTestNum); 
	barRecog.LoadImage(strFile); 
	barRecog.m_dib->Draw(pDCPic, m_iDrawWidth, m_iDrawHeight); 
} 
 
void CBarCodeDlg::OnBtnNext()  
{ 
	if(iCurTestNum >= iTotalTestNum-1) 
		return; 
	CString strFile; 
	iCurTestNum++; 
	strFile = arFilePathSet.GetAt(iCurTestNum); 
	barRecog.LoadImage(strFile); 
	barRecog.m_dib->Draw(pDCPic, m_iDrawWidth, m_iDrawHeight); 
} 
 
void CBarCodeDlg::OnBtnRecog()  
{ 
	barRecog.PreProcess(); 
	if(barRecog.Recognize()==false) 
		MessageBox("无法识别！"); 
	else 
	{ 
		m_strCodeStyle = barRecog.strCodeStyle; 
		m_strCodeNumber = barRecog.strCodeNumber; 
		UpdateData(false); 
	} 
}