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);
}
}
private bool CheckDuplicate(FingerImageRecord fRecord)
{
try
{
if (FingerprintRecords.Count == 0)
{
FingerprintRecords.Add(fRecord);
return(true);
}
//NBuffer .GetTemplateBuffer()
using (var biometricClient = new NBiometricClient())
{
// Set matching threshold
biometricClient.MatchingThreshold = (int)Settings.Default.MatchingScore;
// Set matching speed
biometricClient.FingersMatchingSpeed = NMatchingSpeed.Low;
var matcherFound = false;
FingerprintRecords.ForEach(item =>
{
if (item.FingerTemplate != null)
{
var status = biometricClient.Verify(fRecord.FingerSubject, item.FingerSubject);
if (status == NBiometricStatus.Ok)
{
matcherFound = true;
item = fRecord;
}
}
});
if (matcherFound)
{
return(false);
}
FingerprintRecords.Add(fRecord);
return(true);
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, @"Process Fingerprint");
return(false);
}
}
