private async void MainFormLoadAsync(object sender, EventArgs e)
{
_biometricClient = new NBiometricClient
{
BiometricTypes = NBiometricType.Face,
UseDeviceManager = true,
FacesCheckIcaoCompliance = true,
FacesQualityThreshold = byte.Parse("0"),
};
await _biometricClient.InitializeAsync();
if (!DesignMode)
{
try
{
nViewZoomSlider1.View = fvPreview;
lblStatus.Text = string.Empty;
_deviceManager = _biometricClient.DeviceManager;
saveImageDialog.Filter = NImages.GetSaveFileFilterString();
UpdateCameraList();
}
catch (Exception ex)
{
Utils.ShowException(ex);
}
}
}
private void SaveImageButtonClick(object sender, EventArgs e)
{
if (_nfView.Finger.Image == null)
{
return;
}
saveFileDialog.Filter = NImages.GetSaveFileFilterString();
saveFileDialog.Title = @"Save Image File";
if (saveFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
var fileName = saveFileDialog.FileName;
try
{
_subjectFinger.Image.Save(fileName);
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Error saving to file \"{0}\": {1}", fileName, ex),
Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void EnrollFromCameraLoad(object sender, EventArgs e)
{
try
{
if (!DesignMode)
{
try
{
lblStatus.Text = string.Empty;
_deviceManager = _biometricClient.DeviceManager;
saveImageDialog.Filter = NImages.GetSaveFileFilterString();
UpdateCameraList();
StartCapturing();
}
catch (Exception ex)
{
AppUtils.ShowException(ex);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
AppErrorLogger.LogError(ex.StackTrace, ex.Source, ex.Message);
if (ex.InnerException != null)
{
AppErrorLogger.LogError(ex.StackTrace, ex.Source, ex.Message);
}
}
}
public EnrollView(string subjectId)
{
InitializeComponent();
openFileDialog.Filter = NImages.GetOpenFileFilterString(true, true);
string component = "Biometrics.FingerExtraction,Biometrics.FingerMatching,Devices.FingerScanners,Images.WSQ,Biometrics.FingerSegmentation,Biometrics.FingerQualityAssessmentBase";
ControllerUtils.ObtainLicense(component);
}
private void EnrollFromScannerLoad(object sender, EventArgs e)
{
Invoke(new Action(() =>
{
try
{
_deviceManager = _biometricClient.DeviceManager;
UpdateScannerList();
saveFileDialog.Filter = NImages.GetSaveFileFilterString();
_nfView = new NFingerView
{
Dock = DockStyle.Fill,
AutoScroll = true
};
panel.Controls.Add(_nfView);
StartCapturing();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}));
}
protected void Button1_Click(object sender, EventArgs e)
{
openFaceImageDlg = new OpenFileDialog();
openFaceImageDlg.Filter = NImages.GetOpenFileFilterString(true, true);
if (openFaceImageDlg.ShowDialog() == DialogResult.OK)
{
if (_image != null)
{
_image.Dispose();
}
_image = null;
try
{
// Read image
_image = NImage.FromFile(openFaceImageDlg.FileName);
// DetectFace(_image);
}
catch (Exception ex)
{
// Utils.ShowException(ex);
}
}
}
private void OnImage(NGrayscaleImage image)
{
clearView();
if (nfView1.Image == null)
{
nfView1.Image = image.ToBitmap();
}
NGrayscaleImage resultImage = (NGrayscaleImage)image.Clone();
try
{
NfeExtractionStatus extractionStatus;
template = Data.NFExtractor.Extract(resultImage, NFPosition.Unknown, NFImpressionType.LiveScanPlain, out extractionStatus);
if (extractionStatus != NfeExtractionStatus.TemplateCreated)
{
string text = string.Format("Extraction failed: {0}", extractionStatus.ToString());
ShowErrorMessage(text);
LogLine(text, true);
//LogLine("Waiting for image...", true);
pictureBox2.Image = Properties.Resources.redcross;
// MessageBox.Show(text, Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
// sw.Stop();
//stopProgressBar();
//UseWaitCursor = false;
return;
}
}
catch (Exception e)
{
string text = string.Format("Extraction error: {0}", e.Message);
ShowErrorMessage(text);
LogLine(text, true);
pictureBox2.Image = Properties.Resources.redcross;
return;
}
finally
{
//WaitingForImageToScan();
//stopProgressBar(); !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
}
Bitmap bitmap;
using (NImage ri = NImages.GetGrayscaleColorWrapper(resultImage, resultImageMinColor, resultImageMaxColor))
{
bitmap = ri.ToBitmap();
}
this.template = (NFRecord)template.Clone();
nfView2.ResultImage = bitmap;
if (nfView2.Template != null)
{
nfView2.Template.Dispose();
}
nfView2.Template = this.template;
if (template == null)
{
ResourceManager rm = new ResourceManager("PSCBioVerification.Form1", this.GetType().Assembly);
string text = rm.GetString("msgFingerprintImageIsOfLowQuality"); // "Fingerprint image is of low quality"
ShowErrorMessage(text);
LogLine(text, true);
pictureBox2.Image = Properties.Resources.redcross;
//MessageBox.Show(text, Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
LogLine("Template extracted{0}. G: {1}. Size: {2}", true,
Data.NFExtractor.UseQuality ? string.Format(". Quality: {0:P0}", Helpers.QualityToPercent(template.Quality) / 100.0) : null,
template.G, Data.SizeToString(template.Save().Length));
ShowStatusMessage(String.Format("Template extracted{0}. G: {1}. Size: {2}", true,
Data.NFExtractor.UseQuality ? string.Format(". Quality: {0:P0}", Helpers.QualityToPercent(template.Quality) / 100.0) : null,
template.G, Data.SizeToString(template.Save().Length)));
switch (mode)
{
case ProgramMode.Enroll:
doEnroll();
nfView2.Zoom = 1F;
break;
case ProgramMode.Verify:
doVerify();
nfView2.Zoom = 0.5F;
break;
}
WaitingForImageToScan();
}
public EnrollFromCamera()
{
//_template = template;
InitializeComponent();
saveImageDialog.Filter = NImages.GetSaveFileFilterString();
}
