Exemple #1
0
        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));
            }
        }
Exemple #2
0
        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();
        }