IEnumerable<Fmd> CaptureAndExtractFmd(int lecturas, Sockets socket)
{
int no_lecturas = 0;
while (no_lecturas < lecturas)
{
if (lector.Status.Status.Equals(Constants.ReaderStatuses.DP_STATUS_READY))
{
// Capture a fingerprint.
CaptureResult captureResult = lector.Capture(
Constants.Formats.Fid.ANSI,
Constants.CaptureProcessing.DP_IMG_PROC_DEFAULT,
-1,
lector.Capabilities.Resolutions[0]
);
if(no_lecturas == 0)
{
Bitmap bmp = new Bitmap(150, 150);
foreach (Fid.Fiv fiv in captureResult.Data.Views)
{
bmp = CreateBitmap(fiv.RawImage, fiv.Width, fiv.Height);
}
System.IO.MemoryStream stream = new System.IO.MemoryStream();
bmp.Save(stream, System.Drawing.Imaging.ImageFormat.Bmp);
byte[] imageBytes = stream.ToArray();
base64String = Convert.ToBase64String(imageBytes);
}
no_lecturas++;
socket.mandarMensaje(3, "Lectura capturada");
// !!! Check for errors, use ‘yield return null; or break;’ to stop.
yield return FeatureExtraction.CreateFmdFromFid(captureResult.Data, Constants.Formats.Fmd.ANSI).Data;
}
}
}
public string inscribirHuella(Sockets socket)
{
try
{
DataResult<Fmd> enrollmentResult = Enrollment.CreateEnrollmentFmd(
Constants.Formats.Fmd.ANSI,
CaptureAndExtractFmd(5, socket)
);
socket.mandarMensaje(5, base64String);
Fmd fmd = enrollmentResult.Data;
return Fmd.SerializeXml(fmd).Replace("\"", "\\\"");
}
catch (NullReferenceException)
{
// Dedo leido mal
return "0";
}
catch (SDKException)
{
// Dedos diferentes / No se puede obtener un FMD
return "0";
}
}