private void ReadFingerprintButton_Clicked()
{
var dialog = new FingerprintDialog("Read Fingerprint", "Can't read fingerprint, try to place your finger flat on the sensor");
(ushort userID, UserPermission permission)userInfo = default;
Task.Run(() =>
{
if (_fingerprintSensor.TryComparison1N(out userInfo))
{
dialog.Cancel();
}
else
{
dialog.CancelAndShowError();
}
});
dialog.Show();
if (userInfo != default)
{
MessageBox.Query("Read Fingerprint", $"Successfully read fingerprint\n\nUser ID: {userInfo.userID}\nPermissions: {userInfo.permission}\n ", "Ok");
}
}
private void ReadEigenvaluesButton_Clicked()
{
var dialog = new FingerprintDialog("Acquire Eigenvalues", "Can't acquire eigenvalues, try to place your finger flat on the sensor");
byte[] eigenvalues = null;
Task.Run(() =>
{
if (_fingerprintSensor.TryAcquireEigenvalues(out var values))
{
eigenvalues = values.ToArray();
dialog.Cancel();
}
else
{
dialog.CancelAndShowError();
}
});
dialog.Show();
if (eigenvalues != null)
{
var window = new DataDisplay("Eigenvalues", eigenvalues);
WriteOut($"Eigenvalues:\n{Utils.ArrayDisplay(eigenvalues)}\n\n\n");
Application.Run(window);
}
}
private void ReadImageButton_Clicked()
{
var dialog = new FingerprintDialog("Acquire Image", "Can't acquire image, try to place your finger flat on the sensor");
byte[] image = null;
Task.Run(() =>
{
if (_fingerprintSensor.TryAcquireImage(out image))
{
dialog.Cancel();
}
else
{
dialog.CancelAndShowError();
}
});
dialog.Show();
if (image != null)
{
WriteOut($"Image:\n{Utils.ArrayDisplay(image)}\n\n\n");
var window = new DataDisplay("Image", image.ToArray());
Application.Run(window);
}
}
private void AddFingerprintButton_Clicked()
{
if (new EntryDialog("User id", i => ushort.TryParse(i.ToString(), out var n), "Need to be a valid user id").TryShow(out var input))
{
var dialog = new FingerprintDialog("Add Fingerprint", "Can't add fingerprint, try to place your finger flat on the sensor");
Task.Run(() =>
{
switch (_fingerprintSensor.AddFingerprint(ushort.Parse(input.ToString()), UserPermission.Level1))
{
case ResponseType.Success:
dialog.Cancel();
Application.MainLoop.Invoke(() => MessageBox.Query("Add Fingerprint", "Successfully added fingerprint", "Ok"));
break;
case ResponseType.Full:
dialog.ErrorMessage = "Sensor full, can't add more users";
dialog.CancelAndShowError();
break;
case ResponseType.NoUser:
dialog.ErrorMessage = "Can't add fingerprint, invalid id";
dialog.CancelAndShowError();
break;
case ResponseType.FingerOccupied:
dialog.ErrorMessage = "Can't add fingerprint, finger already registered";
dialog.CancelAndShowError();
break;
case ResponseType.UserOccupied:
dialog.ErrorMessage = "Can't add fingerprint, id already used";
dialog.CancelAndShowError();
break;
default:
dialog.CancelAndShowError();
break;
}
});
dialog.Show();
UpdateUserCount();
}
}
