public string GetCardID()
{
try
{
Log("Start Get Card ID");
byte[][] DBTemplate = null;
int[] DBTemplateSize = null;
int[] DBSerial = null;
int DBTemplateNum;
int nMatchIndex;
// Initialize scanners
UFS_STATUS ufs_res = new UFS_STATUS();
int nScannerNumber;
ufs_res = m_ScannerManager.Init();
nScannerNumber = m_ScannerManager.Scanners.Count;
if (nScannerNumber <= 0)
{
strLastError = "There are no suprema scanner";
Log(strLastError);
return("");
}
m_Scanner = m_ScannerManager.Scanners[0];
// Database
m_Database = new UFDatabase();
if (m_szConnectionString != null)
{
m_ufd_res = m_Database.Open(m_szConnectionString, "", "");
}
// Create matcher
m_Matcher = new UFMatcher();
if (!ExtractTemplate(m_bTemplate1, out m_nTemplateSize1))
{
m_ScannerManager.Uninit();
m_Database.Close();
return("");
}
m_ScannerManager.Uninit();
//Identify loyee fingerprint :GetTemplateListWithSerial
m_ufd_res = m_Database.GetTemplateListWithSerial(out DBTemplate, out DBTemplateSize, out DBTemplateNum, out DBSerial);
//Identify employee fingerprint :Identify
m_ufm_res = m_Matcher.Identify(m_bTemplate1, m_nTemplateSize1, DBTemplate, DBTemplateSize, DBTemplateNum, 5000, out nMatchIndex);
string m_strUserID = "";
int m_nFingerIndex = 0;
string memo = "";
int x = 0;
if (nMatchIndex >= 0 && DBSerial != null)
{
m_ufd_res = m_Database.GetDataBySerial(DBSerial[nMatchIndex], out m_strUserID, out m_nFingerIndex, m_bTemplate1, out m_nTemplateSize1, null, out x, out memo);
}
else
{
m_strUserID = "";
}
if (m_ufm_res != UFM_STATUS.OK)
{
return("");
}
Log(m_strUserID.Replace('\0', ' ').Trim());
return(m_strUserID.Replace('\0', ' ').Trim());
}
catch (Exception ex)
{
strLastError = "Unkown Error Happened:\n" + ex.Message;
Log(strLastError);
return("");
}
}
//=========================================================================//
//=========================================================================//
private void btnInit_Click(object sender, EventArgs e)
{
//=========================================================================//
// Initilize scanners
//=========================================================================//
UFS_STATUS ufs_res;
int nScannerNumber;
Cursor.Current = Cursors.WaitCursor;
ufs_res = m_ScannerManager.Init();
Cursor.Current = this.Cursor;
if (ufs_res == UFS_STATUS.OK)
{
tbxMessage.AppendText("UFScanner Init: OK\r\n");
}
else
{
UFScanner.GetErrorString(ufs_res, out m_strError);
tbxMessage.AppendText("UFScanner Init: " + m_strError + "\r\n");
return;
}
nScannerNumber = m_ScannerManager.Scanners.Count;
tbxMessage.AppendText("UFScanner GetScannerNumber: " + nScannerNumber + "\r\n");
if (nScannerNumber == 0)
{
tbxMessage.AppendText("There's no available scanner\r\n");
return;
}
else
{
tbxMessage.AppendText("First scanner will be used\r\n");
}
m_Scanner = m_ScannerManager.Scanners[0];
//=========================================================================//
//=========================================================================//
// Open database
//=========================================================================//
UFD_STATUS ufd_res;
m_Database = new UFDatabase();
// Generate connection string
string szDataSource;
string szConnection;
/*
* szDataSource = "UFDatabase.mdb";
* /*/
tbxMessage.AppendText("Select a database file\r\n");
OpenFileDialog dlg = new OpenFileDialog();
dlg.FileName = "UFDatabase.mdb";
dlg.Filter = "Database Files (*.mdb)|*.mdb";
dlg.DefaultExt = "mdb";
DialogResult res = dlg.ShowDialog();
if (res != DialogResult.OK)
{
return;
}
szDataSource = dlg.FileName;
//*/
szConnection = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + szDataSource + ";";
ufd_res = m_Database.Open(szConnection, null, null);
if (ufd_res == UFD_STATUS.OK)
{
tbxMessage.AppendText("UFDatabase Open: OK\r\n");
}
else
{
UFDatabase.GetErrorString(ufd_res, out m_strError);
tbxMessage.AppendText("UFDatabase Open: " + m_strError + "\r\n");
return;
}
UpdateDatabaseList();
//=========================================================================//
//=========================================================================//
// Create matcher
//=========================================================================//
m_Matcher = new UFMatcher();
if (m_Matcher.InitResult == UFM_STATUS.OK)
{
tbxMessage.AppendText("UFMatcher Init: OK\r\n");
}
else
{
UFMatcher.GetErrorString(m_Matcher.InitResult, out m_strError);
tbxMessage.AppendText("UFMatcher Init: " + m_strError + "\r\n");
}
//=========================================================================//
cbScanTemplateType.SelectedIndex = 0;
}
public bool Enroll(string nUserID, string strUserName, int FingerIndex = 1)
{
bool bRet = false;
try
{
//ErrorMessage = "";
UFS_STATUS ufs_status;
int nScannerNumber;
ufs_status = m_ScannerManager.Init();
nScannerNumber = m_ScannerManager.Scanners.Count;
if (nScannerNumber <= 0)
{
strLastError = "There are no suprema scanner";
Log(strLastError);
return(false);
}
m_Scanner = m_ScannerManager.Scanners[0];
// Open database
m_Database = new UFDatabase();
//string szDataSource;
if (m_szConnectionString != string.Empty)
{
m_ufd_res = m_Database.Open(m_szConnectionString, "", "");
}
else
{
return(false);
}
if (m_ufd_res != UFD_STATUS.OK)
{
return(false);
}
// Create matcher
m_Matcher = new UFMatcher();
if (!ExtractTemplate(m_bTemplate1, out m_nTemplateSize1))
{
return(false);
}
m_ScannerManager.Uninit();
#region Check if the finger is used before for other user
byte[][] DBTemplate = null;
int[] DBTemplateSize = null;
int[] DBSerial = null;
int DBTemplateNum;
int nMatchIndex;
string m_strUserID = "";
int m_nFingerIndex = 0;
string memo = "";
int x = 0;
m_ufd_res = m_Database.GetTemplateListWithSerial(out DBTemplate, out DBTemplateSize, out DBTemplateNum, out DBSerial);
m_ufm_res = m_Matcher.Identify(m_bTemplate1, m_nTemplateSize1, DBTemplate, DBTemplateSize, DBTemplateNum, 5000, out nMatchIndex);
if (nMatchIndex >= 0 && DBSerial != null)
{
m_ufd_res = m_Database.GetDataBySerial(DBSerial[nMatchIndex], out m_strUserID, out m_nFingerIndex, m_bTemplate1, out m_nTemplateSize1, null, out x, out memo);
if (m_strUserID.Replace('\0', ' ').Trim() != nUserID && m_nFingerIndex == FingerIndex)
{
strLastError = "This fingerprint is used for another person";
Log(strLastError);
return(false);
}
}
#endregion
m_ufd_res = m_Database.AddData(nUserID.ToString(), FingerIndex, m_bTemplate1, m_nTemplateSize1, null, 0, "");
if (m_ufd_res == UFD_STATUS.OK)
{
bRet = true;
}
else if (m_ufd_res == UFD_STATUS.ERR_SAME_FINGER_EXIST)
{
m_ufd_res = m_Database.UpdateDataByUserInfo(nUserID, FingerIndex, m_bTemplate1, m_nTemplateSize1, null, 0, null);
if (m_ufd_res == UFD_STATUS.OK)
{
bRet = true;
}
}
}
catch (Exception ex)
{
strLastError = "Unkown Error Happened:\n" + ex.Message;
Log(strLastError);
}
return(bRet);
}
