protected virtual void Process(Sample Sample)
{
// Draw fingerprint sample image.
DrawPicture(ConvertSampleToBitmap(Sample));
// Process the sample and create a feature set for the enrollment purpose.
FeatureSet features = ExtractFeatures(Sample, DataPurpose.Enrollment);
// Check quality of the sample and add to enroller if it's good
if (features != null)
{
try
{
Enroller.AddFeatures(features); // Add feature set to template.
}
catch (SDKException ex)
{
MessageBox.Show("Error al capturar huella, intente de nuevo.");
ResetFingerprint();
}
}
public void OnComplete(object Capture, string ReaderSerialNumber, DPFP.Sample Sample)
{
FingerPrintScanner.DrawPicture(pic_left, FingerPrintScanner.ConvertSampleToBitmap(Sample));
try
{
FeatureSet feature = FingerPrintScanner.ExtractFeatures(Sample, DataPurpose.Enrollment);
enroller.AddFeatures(feature);
FingerPrintScanner.MakeReport(txtStatus, String.Format("Fingerprint samples needed: {0}", enroller.FeaturesNeeded));
switch (enroller.TemplateStatus)
{
case Enrollment.Status.Failed:
FingerPrintScanner.MakeReport(txtStatus, String.Format("Fingerprint samples needed: {0}", enroller.FeaturesNeeded));
break;
case Enrollment.Status.Insufficient:
break;
case Enrollment.Status.Ready:
FingerPrintScanner.MakeReport(txtStatus, String.Format("Fingerprint samples needed: {0}", enroller.FeaturesNeeded));
capture.StopCapture();
FingerPrintScanner.MakeTemplate(enroller.Template, this);
break;
case Enrollment.Status.Unknown:
FingerPrintScanner.MakeReport(txtStatus, String.Format("Fingerprint samples needed: {0}", enroller.FeaturesNeeded));
break;
default:
FingerPrintScanner.MakeReport(txtStatus, String.Format("Fingerprint samples needed: {0}", enroller.FeaturesNeeded));
break;
}
}
catch (Exception)
{
FingerPrintScanner.MakeReport(txtStatus, String.Format("Fingerprint samples needed: {0}", enroller.FeaturesNeeded));
capture.StopCapture();
enroller.Clear();
capture.StartCapture();
}
}
protected override void Process(Sample sample)
{
base.Process(sample);
var features = ExtractFeatures(sample, DPFP.Processing.DataPurpose.Enrollment);
// Check quality of the sample and add to enroller if it's good
if (features == null)
{
return;
}
try
{
MakeReport("The fingerprint feature set was created.");
_enroller.AddFeatures(features); // Add feature set to template.
}
finally
{
UpdateStatus();
switch (_enroller.TemplateStatus)
{
case Enrollment.Status.Ready: // report success and stop capturing
SaveTemplate(_enroller.Template);
TryClose();
break;
case Enrollment.Status.Failed: // report failure and restart capturing
_enroller.Clear();
Stop();
UpdateStatus();
//OnTemplate(null);
Start();
break;
}
}
}
/// <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));
}
}
}
}