private async void ProcessCameraCapture(ImageAnalyzer e)
{
if (e == null)
{
this.cameraControl.RestartAutoCaptureCycle();
return;
}
this.recognitionPersistence.PersisteRecognitionResults(e);
this.imageFromCameraWithFaces.DataContext = e;
this.imageFromCameraWithFaces.Visibility = Visibility.Visible;
e.FaceRecognitionCompleted += async(s, args) =>
{
try
{
ImageAnalyzer results = s as ImageAnalyzer;
if (results != null && results.DetectedFaces != null)
{
foreach (Face detectedFace in results.DetectedFaces)
{
IdentifiedPerson faceIdIdentification = null;
if (results.IdentifiedPersons != null && results.IdentifiedPersons.Count <IdentifiedPerson>() > 0)
{
faceIdIdentification = results.IdentifiedPersons.FirstOrDefault(p => p.FaceId == detectedFace.FaceId);
}
string message = string.Empty;
if (faceIdIdentification != null)
{
// We able identify this person. Say his name
message = SpeechContants.GeneralGreetigMessage(faceIdIdentification.Person.Name);
await speech.Read(message);
}
else
{
HSFace face = new HSFace(detectedFace.FaceId, "", detectedFace.FaceAttributes);
if (face.Age > 0)
{
// Unknown person!
message = String.Format(SpeechContants.UnknownVisitorDetailMessage, face.Gender, face.Age);
await speech.ReadSsml(message);
}
}
}
}
//Update visitors statistic
Task.Run(async() => { CalculateVisitorsStatistic(results); });
this.photoCaptureBalloonHost.Opacity = 1;
int photoDisplayDuration = 10;
double decrementPerSecond = 100.0 / photoDisplayDuration;
for (double i = 100; i >= 0; i -= decrementPerSecond)
{
this.resultDisplayTimerUI.Value = i;
await Task.Delay(1000);
}
this.photoCaptureBalloonHost.Opacity = 0;
this.imageFromCameraWithFaces.DataContext = null;
}
finally
{
this.cameraControl.RestartAutoCaptureCycle();
}
};
}
