private void scanner_ImageScanned(object sender, FPScannerImageScannedEventArgs ea)
{
OnImage((NGrayscaleImage)ea.Image.Clone());
}
private void Scanner_ImageScanned(object sender, FPScannerImageScannedEventArgs ea)
{
//the lock is used to prevent a race condition
//if a template is captured, capturing is set to false
//a new call to StartCapturing is required in order to get the next template
lock (_locker)
{
if (_isCapturing)
{
NfeExtractionStatus status;
Template template = null;
try
{
NFExtractor extractor = new NFExtractor();
NFRecord record = extractor.Extract(ea.Image, NFPosition.Unknown, NFImpressionType.LiveScanPlain, out status);
template = new Template(record.Save(), record.Minutiae.Count);
extractor.Dispose();
}
catch (Exception ex)
{
OnTemplateCaptured(new TemplateCapturedEventArgs(template, TemplateCapturedStatus.ExtractorException));
return;
}
if (status == NfeExtractionStatus.QualityCheckFailed)
{
OnTemplateCaptured(new TemplateCapturedEventArgs(template, TemplateCapturedStatus.QualityCheckFailed));
return;
}
if (status == NfeExtractionStatus.TooFewMinutiae)
{
OnTemplateCaptured(new TemplateCapturedEventArgs(template, TemplateCapturedStatus.MinutiaCountFailed));
return;
}
OnTemplateCaptured(new TemplateCapturedEventArgs(template, TemplateCapturedStatus.Success));
}
}
}