//Helps to automatically trigger the scanning of next finger if the
//number of already captured fingers is less than 10
public void InitNextFingerScan(FingerDescription previousDescription, int previousFingerprintScanPosition)
{
_deviceManager = new NDeviceManager();
if (previousFingerprintScanPosition > 0)
{
_fingerprintScanPosition = previousFingerprintScanPosition;
_FingerDescription = previousDescription;
}
else
{
_fingerprintCount = _formMain.GetActiveUserFingerRecordsCount();
if (_fingerprintCount <= 10)
{
//Get the next finger to be scanned using the previous scanned finger
var next = (int)previousDescription;
next += 1;
_FingerDescription = (FingerDescription)next;
_fingerprintScanPosition = next;
}
}
_biometricClient = new NBiometricClient {
UseDeviceManager = true, BiometricTypes = NBiometricType.Finger
};
_biometricClient.Initialize();
_EnrollFromSingleFingerScanner = new EnrollFromScanner(this, _CaptureFingerNotifyer, _FingerDescription, _fingerprintScanPosition, _fingerprintCount)
{
CaptureFingerNotifyer = _CaptureFingerNotifyer,
Dock = DockStyle.Fill,
BiometricClient = _biometricClient
};
Controls.Clear();
Controls.Add(_EnrollFromSingleFingerScanner);
}
public EnrollFromScanner(FormCaptureSingleScannerFinger formCaptureSingleScannerFinger, CaptureFingerNotifyer _captureFingerNotifyer, FingerDescription fingerDescription, int fingerprintScanPosition, int fingerprintCount)
{
_fingerDescription = fingerDescription;
_formSingleScanFinger = formCaptureSingleScannerFinger;
_fingerprintCount = fingerprintCount;
_fingerprintScanPosition = fingerprintScanPosition;
InitializeComponent();
lblFingerprintScanCount.Text = _fingerprintCount.ToString();
}
public bool SaveBioRecord(NFinger finger, NSubject fingerSubject, FingerDescription fingerDescription, bool isTrue)
{
try
{
return(_CaptureFingerNotifyer(finger, fingerSubject, fingerDescription, isTrue));
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
return(false);
}
}
public FormCaptureSingleScannerFinger(FormMain formMain, CaptureFingerNotifyer captureFingerNotifyer, FingerDescription fingerDescription, int capturedFingersprintCount)
{
//Obtain Fingerprint Components Licenses
try
{
_formMain = formMain;
NLicense.ObtainComponents(Address, Port, FingerprintComponents);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), string.Empty, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
_FingerDescription = fingerDescription;
_fingerprintScanPosition = capturedFingersprintCount;
_fingerprintCount = capturedFingersprintCount;
_CaptureFingerNotifyer = captureFingerNotifyer;
InitializeComponent();
_formMain.UpdateFingerInit();
_fingerDescriptions = new List <FingerDescription>();
EnumerateFingerDescription();
}
private int GetFingerIndex(FingerDescription fingerDescription)
{
switch (fingerDescription)
{
case FingerDescription.LFLittle:
return(1);
case FingerDescription.LFRing:
return(2);
case FingerDescription.LFMiddle:
return(3);
case FingerDescription.LFIndex:
return(4);
case FingerDescription.LFThumb:
return(5);
case FingerDescription.RFThumb:
return(6);
case FingerDescription.RFIndex:
return(7);
case FingerDescription.RFMiddle:
return(8);
case FingerDescription.RFRing:
return(9);
case FingerDescription.RFLittle:
return(10);
default:
return(0);
}
}
internal bool SaveActiveUserFingerRecords(NFinger finger, NSubject fingerSubject, FingerDescription fingerDescription)
{
try
{
var buffArray = fingerSubject?.GetTemplateBuffer().ToArray();
var fRecord = new FingerImageRecord
{
FingerIndex = GetFingerIndex(fingerDescription),
FingerDescription = fingerDescription,
FingerRecord = finger?.Objects[0].Template,
FingerSubject = fingerSubject,
FingerTemplate = buffArray
};
if (finger != null)
{
var wsq = finger.Image.Save(NImageFormat.Wsq);
fRecord.FingerImage = finger.Image.ToBitmap();
fRecord.FingerWsq = wsq?.ToArray();
int fingersCount = 0;
var status = CheckDuplicate(fRecord);
return(status);
}
return(false);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return(false);
}
}
