/// <summary>
/// Clear the control of readers, get readers and display.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnRefresh_Click(System.Object sender, System.EventArgs e)
{
cboReaders.Text = string.Empty;
cboReaders.Items.Clear();
cboReaders.SelectedIndex = -1;
try
{
_readers = ReaderCollection.GetReaders();
foreach (Reader Reader in _readers)
{
cboReaders.Items.Add(Reader.Description.SerialNumber);
}
if (cboReaders.Items.Count > 0)
{
cboReaders.SelectedIndex = 0;
btnCaps.Enabled = true;
btnSelect.Enabled = true;
}
else
{
btnSelect.Enabled = false;
btnCaps.Enabled = false;
_sender.txtReaderSelected.Text = "";
this.Close();
}
}
catch (Exception ex)
{
//message box:
String text = ex.Message;
text += "\r\n\r\nPlease check if DigitalPersona service has been started";
String caption = "Cannot access readers";
MessageBox.Show(text, caption);
}
}
private void CargarLectores()
{
try
{
cboLectores.Items.Clear();
readers = ReaderCollection.GetReaders();
foreach (Reader rd in readers)
{
cboLectores.Items.Add(rd.Description.SerialNumber);
}
if (cboLectores.Items.Count > 0)
{
cboLectores.SelectedIndex = 0;
}
}
catch (ArgumentOutOfRangeException ex)
{
Clases.CFuncionesGenerales.MensajeError("Indice fuera de rango.", ex);
}
catch (ArgumentNullException ex)
{
Clases.CFuncionesGenerales.MensajeError("No se pueden agregar argumentos nulos a un ComboBox.", ex);
}
}
public VerificationForm(AppWindow owner)
{
InitializeComponent();
//this.Dock = DockStyle.Fill;
//this.BackColor = Color.White;
//picVerification = new PictureBox()
//{
// Location = new Point(20, 20),
// Size = new Size(100, 100)
//};
//this.Controls.Add(picVerification);
//btnScan = new Button()
//{
// Location = new Point(picVerification.Left, picVerification. Bottom + 10),
// Size = new Size(100, 25)
//};
//this.Controls.Add(btnScan);
//this.Load += VerificationForm_Load;
ReaderCollection rc = ReaderCollection.GetReaders();
}
public DigitalPersona()
{
_readers = ReaderCollection.GetReaders();
if (_readers.Count > 0)
{
_reader = _readers[0];
if (!OpenReader())
{
_exception = new Exception("");
}
else
{
if (!(_reader is null))
{
_name = _reader.Description.Id.ProductName;
_manufacturer = _reader.Description.Id.VendorName;
_vendorID = _reader.Description.Id.VendorId.ToString();
_productID = _reader.Description.Id.ProductId.ToString();
}
else
{
_exception = new Exception("DigitalPersona reader is null.");
}
}
public FingerPrint()
{
var _readers = ReaderCollection.GetReaders();
CurrentReader = _readers.FirstOrDefault();
}
private void deviceThread()
{
List <Fmd> preenrollmentFmds = new List <Fmd>();
Reader activeReader = null;
CaptureResult captureResult;
STATE state = STATE.IDLE;
COMMAND com = COMMAND.NONE;
int enrollCount = 0;
try
{
ReaderCollection readers = ReaderCollection.GetReaders();
foreach (var reader in readers)
{
if (reader.Description.Name == Id)
{
activeReader = reader;
break;
}
}
if (activeReader != null)
{
activeReader.Open(Constants.CapturePriority.DP_PRIORITY_EXCLUSIVE);
}
while (true)
{
cancelToken.Token.ThrowIfCancellationRequested();
if (state == STATE.IDLE)
{
com = queue.Take(cancelToken.Token);
}
else
{
// non blocking take
if (queue.Count > 0)
{
com = queue.Take();
}
}
StopOngoingStream(ref state, activeReader, com);
switch (com)
{
case COMMAND.LIVECAPTURE_START:
activeReader.StartStreaming();
state = STATE.TEST;
break;
case COMMAND.LIVECAPTURE_STOP:
state = STATE.IDLE;
break;
case COMMAND.SINGLECAPTURE_START:
state = STATE.GETSINGLE;
break;
case COMMAND.SINGLECAPTURE_STOP:
state = STATE.IDLE;
break;
case COMMAND.ENROLLMENT_START:
state = STATE.GETFINGER;
enrollCount = 0;
preenrollmentFmds.Clear();
resultBios.Clear();
break;
case COMMAND.ENROLLMENT_STOP:
state = STATE.IDLE;
break;
}
com = COMMAND.NONE;
switch (state)
{
case STATE.TEST:
SendBaseMessage("Please, touch the scanner");
captureResult = activeReader.GetStreamImage(Constants.Formats.Fid.ANSI, Constants.CaptureProcessing.DP_IMG_PROC_DEFAULT, activeReader.Capabilities.Resolutions[0]);
if (captureResult.ResultCode == Constants.ResultCode.DP_DEVICE_FAILURE || captureResult.ResultCode == Constants.ResultCode.DP_DEVICE_BUSY)
{
Console.WriteLine("DEVICE_FAILURE, perfoming RESET" + captureResult.ResultCode);
activeReader.Reset();
activeReader.StartStreaming();
break;
}
if (!CheckIfReaderIsOnline(captureResult, activeReader))
{
state = STATE.IDLE;
break;
}
if (captureResult.ResultCode == Constants.ResultCode.DP_SUCCESS)
{
OnBiometricsCaptured(new FingerImageDP(captureResult.Data));
}
else
{
System.Console.WriteLine(captureResult.ResultCode);
}
break;
case STATE.GETSINGLE:
state = STATE.GETSINGLEIMAGE;
SendBaseMessage("Please, touch the scanner");
break;
case STATE.GETSINGLEIMAGE:
captureResult = activeReader.Capture(Constants.Formats.Fid.ANSI, Constants.CaptureProcessing.DP_IMG_PROC_DEFAULT, 50, activeReader.Capabilities.Resolutions[0]);
if (!CheckIfReaderIsOnline(captureResult, activeReader))
{
state = STATE.IDLE;
break;
}
if (!CheckCaptureResult(captureResult))
{
break;
}
OnSingleCaptured(new FingerImageDP(captureResult.Data));
state = STATE.GETSINGLE;
break;
case STATE.GETFINGER:
SendBaseMessage("Put finger on the scanner and then lift it up, when Image is captured");
state = STATE.GETIMAGE;
break;
case STATE.GETIMAGE:
captureResult = activeReader.Capture(Constants.Formats.Fid.ANSI, Constants.CaptureProcessing.DP_IMG_PROC_DEFAULT, 50, activeReader.Capabilities.Resolutions[0]);
if (!CheckIfReaderIsOnline(captureResult, activeReader))
{
state = STATE.IDLE;
break;
}
if (!CheckCaptureResult(captureResult))
{
break;
}
FingerImageDP image = new FingerImageDP(captureResult.Data);
OnBiometricsCaptured(image);
enrollCount++;
OnSendProgressMessage(enrollCount * 20);
var template = _devControl.Extract(image);
if (template == null)
{
OnBiometricsEnrolled(null);
break;
}
preenrollmentFmds.Add((template as TemplateDP).fmd);
if (enrollCount > 4)
{
state = STATE.IDLE;
DataResult <Fmd> resultEnrollment = DPUruNet.Enrollment.CreateEnrollmentFmd(Constants.Formats.Fmd.ANSI, preenrollmentFmds);
if (resultEnrollment.ResultCode == Constants.ResultCode.DP_SUCCESS)
{
resultBios.Add(new TemplateDP(resultEnrollment.Data));
SendPopUpMessage("Successfully registered");
OnBiometricsEnrolled(resultBios.ToList());
break;
}
SendPopUpMessage("Can't create template, please repeat");
OnBiometricsEnrolled(null);
}
else
{
state = STATE.GETFINGER;
}
break;
case STATE.IDLE:
break;
}
}
}
catch
{
}
finally
{
activeReader.Reset();
}
}
//In Load lets enumerate and open fingerprint reader
private void IdentifyDlg_Load(object sender, EventArgs e)
{
this.DialogResult = System.Windows.Forms.DialogResult.None;
ReaderCollection readers = ReaderCollection.GetReaders();
if (readers.Count == 0)
{
MessageBox.Show("Registration requires a plugged in fingerprint reader.");
readers.Dispose();
readers = null;
this.Close();
return;
}
if (readers.Count > 1)
{
MessageBox.Show("This sample is designed for a single connected reader. Please connect only 1 device.");
readers.Dispose();
readers = null;
this.Close();
return;
}
reader = readers[0];
if (reader.Open(Constants.CapturePriority.DP_PRIORITY_COOPERATIVE) != Constants.ResultCode.DP_SUCCESS)
{
MessageBox.Show("Could not open device.");
readers.Dispose();
readers = null;
this.Close();
return;
}
if (reader.GetStatus() != Constants.ResultCode.DP_SUCCESS)
{
MessageBox.Show("Error getting device status.");
readers.Dispose();
readers = null;
this.Close();
return;
}
if (reader.Status.Status != Constants.ReaderStatuses.DP_STATUS_READY)
{
MessageBox.Show("Device not ready. Try again in a few seconds.");
readers.Dispose();
readers = null;
this.Close();
return;
}
HelperFunctions.LoadAllUsers();
reader.On_Captured += new Reader.CaptureCallback(reader_On_Captured);
Constants.ResultCode captureResult = reader.CaptureAsync(Constants.Formats.Fid.ANSI, Constants.CaptureProcessing.DP_IMG_PROC_DEFAULT, reader.Capabilities.Resolutions[0]);
if (captureResult != Constants.ResultCode.DP_SUCCESS)
{
MessageBox.Show("Error CaptureResult: " + captureResult.ToString());
}
}