private void FingerprintEngineSampleCollected(object sender, ImageCapturedEventArgs e)
{
if (fingerprintImage != null)
{
fingerprintImage.Dispose();
}
fingerprintImage = e.FingerprintImage;
var writableBitmap = new WriteableBitmap(fingerprintImage.Width, fingerprintImage.Height, fingerprintImage.DpiX, fingerprintImage.DpiY, PixelFormats.Gray8, BitmapPalettes.Gray256);
writableBitmap.Lock();
writableBitmap.WritePixels(new Int32Rect(0, 0, fingerprintImage.Width, fingerprintImage.Height), fingerprintImage.ImageData, fingerprintImage.Width * fingerprintImage.BitPerPixel / 8, 0);
writableBitmap.Unlock();
FingerprintImage.Source = writableBitmap;
//var fpImage = new Services.Fingerprints.FingerprintImage();
//fpImage.Header.DeviceType = 49264417347272704;
//fpImage.Format.Bpp = PixelFormats.Gray8.BitsPerPixel;
//fpImage.Format.ColorRepresentation = FingerprintImageColorRepresantation.NoColorRepresentation;
//fpImage.Format.Height = fingerprintImage.Height;
//fpImage.Format.Width = fingerprintImage.Width;
//fpImage.Format.DpiX = fingerprintImage.DpiX;
//fpImage.Format.DpiY = fingerprintImage.DpiY;
//fpImage.Format.ImageType = FingerprintImageType.GrayScale;
//fpImage.Format.Padding = FingerprintImagePadding.RightPadding;
//fpImage.Format.Polarity = FingerprintImagePolarity.PositivePolarity;
//fpImage.Format.SignificantBpp = 8;
//fpImage.Format.Planes = 1;
//fpImage.Data = fingerprintImage.ImageData;
//fingerprintEnrollmentData.Add(new BiometricSample(fpImage,
// BiometricSampleHeaderType.DigitalPersonaFingerprintImage));
using (var fe = new FingerprintFeatureExtractor())
{
fe.Initialize();
var featuries = fe.Extract(fingerprintImage, ExtractionType.FeatureSetForEnrollment);
fingerprintEnrollmentData.Add(new BiometricSample(featuries,
BiometricSampleHeaderType.DigitalPersonaFingerprintFeatureSet));
}
}
private void FingerprintOkButton_Click(object sender, RoutedEventArgs e)
{
if (fingerprintImage == null)
{
return;
}
using (var ffe = new FingerprintFeatureExtractor())
{
ffe.Initialize();
var featuries = ffe.Extract(fingerprintImage, ExtractionType.FeatureSetForAuthentication);
var fpFeatures = new BiometricSample(featuries, BiometricSampleHeaderType.DigitalPersonaFingerprintFeatureSet);
credential = Credential.Create(new FingerprintAuthenticationData(fpFeatures));
}
DialogResult = true;
Close();
}
