public ImageFrm()
{
InitializeComponent();
m_DelegateSetImage = new SetImageDelegate(this.SetImage);
m_DelegateWriteResults = new WriteResultsDelegate(this.WriteResults);
m_CaptureThreadFinished = new DelegateCaptureThreadFinished(this.CaptureFinished);
m_MatchThreadFinished = new DelegateMatchThreadFinished(this.MatchFinished);
m_CaptureWithPDFinished = new DelegateCaptureWithPDFinished(this.CaptureWithPDFinished);
del = new LumiSDKWrapper.LumiAcqStatusCallbackDelegate(this.AcqStatusCallback);
// Set PD Capture flag
m_bPDCaptureInProcess = false;
// Set Cancel Capture state
m_bCancelCapture = false;
try
{
// Open the scanner
SDKBiometrics.OpenScanner();
// Get Current Timeout
LumiSDKWrapper.LUMI_CONFIG config = new LumiSDKWrapper.LUMI_CONFIG();
SDKBiometrics.GetConfig(ref config);
this.txtTriggerTimeout.Text = config.nTriggerTimeout.ToString();
}
catch (Exception err)
{
MessageBox.Show(err.Message, "Error");
DisableControls();
return;
}
}
public void Run()
{
try
{
uint width = 0, height = 0;
SDKBiometrics.GetWidthAndHeight(ref width, ref height);
byte[] snapShot24bpp = new byte[width * height * 3]; // multiply by 3 to get 24bppRgb format
byte[] template = new byte[5000]; //array to hold the template
uint templateLen = 0;
// Assign the main form's PresenceDetectionCallback method to the LumiPresenceDetectCallbackDelegate
LumiSDKWrapper.LumiPresenceDetectCallbackDelegate del = new LumiSDKWrapper.LumiPresenceDetectCallbackDelegate(m_form.PresenceDetectionCallback);
SDKBiometrics.LumiCaptureWithPresenceDetectionFeedback(snapShot24bpp, template, ref templateLen, width, height, del);
m_form.Invoke(m_form.m_DelegateSetImage, new object[] { snapShot24bpp, (uint)width, (uint)height });
GC.KeepAlive(del);
m_form.Invoke(m_form.m_DelegateWriteResults, new object[] { (SDKBiometrics.StatusMessage) });
}
catch (Exception err)
{
m_form.Invoke(m_form.m_DelegateWriteResults, new object[] { (err.ToString()) });
}
m_form.Invoke(m_form.m_CaptureWithPDFinished, null);
}
private void ChangeTimeout_Click(object sender, EventArgs e)
{
// NOTE: The trigger timeout will not be set on the device until a
// command that directly interacts with the sensor is called. In the
// case of this CSharp example, either the capture or match commands
// will suffice.
LumiSDKWrapper.LUMI_CONFIG config = new LumiSDKWrapper.LUMI_CONFIG();
SDKBiometrics.GetConfig(ref config);
config.nTriggerTimeout = uint.Parse(this.txtTriggerTimeout.Text);
SDKBiometrics.SetConfig(config);
SDKBiometrics.GetConfig(ref config);
this.txtTriggerTimeout.Text = config.nTriggerTimeout.ToString();
}
// Match with preview image
private void Match_Click(object sender, EventArgs e)
{
// Check to see if we can do a template extract and match
try
{
if (!SDKBiometrics.ExtractTemplateAvailable())
{
WriteResults("ERROR: The sensor is not configured to extract or match templates.\r\n");
return;
}
}
catch (Exception err)
{
WriteResults(err.ToString());
return;
}
DisableControls();
m_MatchThread = new Thread(new ThreadStart(this.MatchThreadFuction));
m_MatchThread.Name = "MatchThread";
m_MatchThread.Start();
}
private void btnTestAPI_Click(object sender, EventArgs e)
{
SDKBiometrics.TestAPI(this);
lumiPictureBox.Image = null;
}
private void ImageFrm_FormClosing(object sender, FormClosingEventArgs e)
{
// Close the scanner
SDKBiometrics.CloseScanner();
}