public void OnReaderConnect(object Capture, string ReaderSerialNumber)
{
Dejitaru.SetControlProperty(this, lstatus, "Text", "Connected");
Dejitaru.SetControlProperty(this, lstatus, "ForeColor", Color.LightGreen);
Dejitaru.SetControlProperty(this, btnverify, "Visible", true);
Dejitaru.SetControlProperty(this, btnenroll, "Visible", true);
SetControl();
}
public void OnReaderDisconnect(object Capture, string ReaderSerialNumber)
{
Dejitaru.SetControlProperty(this, lstatus, "Text", "Disconnected");
Dejitaru.SetControlProperty(this, lstatus, "ForeColor", Color.Red);
Dejitaru.SetControlProperty(this, btnverify, "Visible", false);
Dejitaru.SetControlProperty(this, btnenroll, "Visible", false);
Dejitaru.SetControlProperty(this, prbenroll, "Visible", false);
Dejitaru.SetControlProperty(this, lblnote, "Visible", false);
Dejitaru.SetControlProperty(this, lblnote, "Text", "");
}
private void Stop()
{
if (Capturer != null)
{
try
{
Capturer.StopCapture();
}
catch
{
Dejitaru.SetControlProperty(this, lstatus, "Text", "Can't stop capture.");
}
}
}
private void Start()
{
if (Capturer != null)
{
try
{
Capturer.StartCapture();
Dejitaru.SetControlProperty(this, lstatus, "Text", "Place finger on the scanner to start.");
}
catch
{
Dejitaru.SetControlProperty(this, lstatus, "Text", "Can't start capture.");
}
}
}
private void Init()
{
Enroller = new DPFP.Processing.Enrollment();
try
{
Capturer = new DPFP.Capture.Capture();
if (null != Capturer)
{
Capturer.EventHandler = this;
}
else
{
Dejitaru.SetControlProperty(this, lstatus, "Text", "Can't initiate capture operation.");
}
}
catch
{
Dejitaru.SetControlProperty(this, lstatus, "Text", "Can't initiate capture operation.");
}
}
private void SetControl()
{
if (gpurpose == DPFP.Processing.DataPurpose.Enrollment)
{
Dejitaru.SetControlProperty(this, prbenroll, "Visible", true);
Dejitaru.SetControlProperty(this, lblnote, "Location", new Point(53, 470));
Dejitaru.SetControlProperty(this, lblnote, "Visible", true);
Dejitaru.SetControlProperty(this, lblnote, "Text", "Note: Requires four fingerprint samples for Enrollment.");
}
else if (gpurpose == DPFP.Processing.DataPurpose.Verification)
{
Dejitaru.SetControlProperty(this, prbenroll, "Visible", false);
Dejitaru.SetControlProperty(this, lblnote, "Location", new Point(53, 440));
Dejitaru.SetControlProperty(this, lblnote, "Visible", true);
Dejitaru.SetControlProperty(this, lblnote, "Text", "Place your index finger on the scanner to verify your identity.");
}
else
{
Dejitaru.SetControlProperty(this, prbenroll, "Visible", false);
Dejitaru.SetControlProperty(this, lblnote, "Visible", false);
Dejitaru.SetControlProperty(this, lblnote, "Text", "");
}
}
private void Process(DPFP.Sample sample, DPFP.Processing.DataPurpose purpose)
{
if (purpose == DPFP.Processing.DataPurpose.Enrollment)
{
DPFP.FeatureSet features = ExtractFeatures(sample, purpose);
if (features != null)
{
try
{
Enroller.AddFeatures(features);
}
finally
{
switch (Enroller.TemplateStatus)
{
case DPFP.Processing.Enrollment.Status.Ready:
byte[] fpsample = new byte[0];
Enroller.Template.Serialize(ref fpsample);
Dejitaru.progress += 1;
Dejitaru.SetControlProperty(this, prbenroll, "Value", Dejitaru.progress);
Dejitaru.progress = 0;
Enroller.Clear();
gpurpose = DPFP.Processing.DataPurpose.Unknown;
Dejitaru.SerializetoDB(fpsample, lstatus, this);
Stop();
break;
case DPFP.Processing.Enrollment.Status.Failed:
Dejitaru.SetControlProperty(this, lstatus, "Text", "Enrollment failed.");
Start();
break;
case DPFP.Processing.Enrollment.Status.Insufficient:
Dejitaru.progress += 1;
Dejitaru.SetControlProperty(this, prbenroll, "Value", Dejitaru.progress);
Dejitaru.SetControlProperty(this, lstatus, "Text", "Needing more samples for enrollment.Please scan more.");
break;
case DPFP.Processing.Enrollment.Status.Unknown:
Dejitaru.SetControlProperty(this, lstatus, "Text", "Unknown");
break;
}
}
}
}
if (purpose == DPFP.Processing.DataPurpose.Verification)
{
DPFP.FeatureSet features = ExtractFeatures(sample, purpose);
string rhandler = "";
if (features != null)
{
//DPFP.Verification.Verification.Result result = new DPFP.Verification.Verification.Result();
//Verifier.Verify(features, template, ref result);
string[] results = VerifyDB(features);
if (results[0].Equals("true"))
{
rhandler = "Match found. \n\n";
for (int i = 1; i < results.Length; i++)
{
rhandler = rhandler + " " + results[i] + "\n";
}
}
else
{
rhandler = "No match found.";
}
Dejitaru.SetControlProperty(this, lstatus, "Text", rhandler);
}
}
}
