/// <summary>
/// Handle "Fingerprint reading Complete" event.
/// If Enrollment (registration) is under process, consider the just-read sample as a new sample for the enrollment.
/// Otherwise, save the sample as the "last read sample" in order to allow user to compare it with a fingerprints list.
/// </summary>
/// <param name="capture">Capture instance</param>
/// <param name="info"></param>
/// <param name="sample">Just-read fingerprint sample</param>
public void OnComplete(object capture, string info, Sample sample)
{
if (!_registrationInProgress) // common authentication
{
// Notify that reading is complete. Suscriber has to confirm authentication by using DoesTemplateMatch method.
_lastSample = sample;
var args =
new FingerprintReaderEventArgs(FingerprintReaderEventArgs.EventTypeValue.FPReaderReadingComplete);
FireEvent(args);
}
else
{
try
{
_regFeatures[_fingerCount] = ExtractFeatures(sample, DataPurpose.Enrollment);
if (_regFeatures[_fingerCount] == null)
{
return;
}
++_fingerCount;
_createRegTemplate.AddFeatures(_regFeatures[_fingerCount - 1]);
if (_fingerCount <= FingerPressRequired)
{
FireEvent(
new FingerprintReaderEventArgs(FingerprintReaderEventArgs.EventTypeValue.FPReaderFingerPress));
}
if (_createRegTemplate.TemplateStatus == Enrollment.Status.Failed)
{
_fingerCount = 0;
_registrationInProgress = false;
_createRegTemplate.Clear();
FireEvent(
new FingerprintReaderEventArgs(
FingerprintReaderEventArgs.EventTypeValue.FPReaderRegistrationFailure));
}
else
{
if (_createRegTemplate.TemplateStatus != Enrollment.Status.Ready)
{
return;
}
LastTemplate = _createRegTemplate.Template;
_registrationInProgress = false;
_fingerCount = 0;
_createRegTemplate.Clear();
FireEvent(
new FingerprintReaderEventArgs(
FingerprintReaderEventArgs.EventTypeValue.FPReaderRegistrationSuccess));
}
}
catch (DPFP.Error.SDKException sdke)
{
if (sdke.ErrorCode == DPFP.Error.ErrorCodes.InvalidFeatureSet)
{
_registrationInProgress = false;
_fingerCount = 0;
_createRegTemplate.Clear();
FireEvent(
new FingerprintReaderEventArgs(
FingerprintReaderEventArgs.EventTypeValue.FPReaderRegistrationFailure));
}
}
}
}
