private void StartCameraProcessing()
{
try
{
btnStartCamera.IsEnabled = false;
btnResetCamera.IsEnabled =
Metrics.IsEnabled =
btnStopCamera.IsEnabled =
btnAppShot.IsEnabled =
btnExit.IsEnabled = true;
const int cameraId = 0;
const int numberOfFaces = 1;
const int cameraFPS = 15;
const int processFPS = 15;
Detector = new CameraDetector(cameraId, cameraFPS, processFPS, numberOfFaces, Affdex.FaceDetectorMode.LARGE_FACES);
Detector.setClassifierPath(FilePath.GetClassifierDataFolder());
TurnOnClassifiers();
Detector.setImageListener(this);
Detector.setProcessStatusListener(this);
Detector.start();
canvas.Visibility = Visibility.Visible;
cameraDisplay.Visibility = Visibility.Visible;
}
catch (AffdexException ex)
{
if (!String.IsNullOrEmpty(ex.Message))
{
if (ex.Message.Equals("Unable to open webcam."))
{
MessageBoxResult result = MessageBox.Show(ex.Message,
"Error",
MessageBoxButton.OK,
MessageBoxImage.Error);
StopCameraProcessing();
return;
}
}
String message = String.IsNullOrEmpty(ex.Message) ? "AffdexMe error encountered." : ex.Message;
ShowExceptionAndShutDown(message);
}
catch (Exception ex)
{
String message = String.IsNullOrEmpty(ex.Message) ? "error encountered." : ex.Message;
ShowExceptionAndShutDown(message);
}
}
/// <summary>
/// Starts the camera processing.
/// </summary>
private void StartCameraProcessing()
{
try
{
btnStartCamera.IsEnabled = false;
btnResetCamera.IsEnabled =
Points.IsEnabled =
Metrics.IsEnabled =
Appearance.IsEnabled =
Emojis.IsEnabled =
btnStopCamera.IsEnabled =
btnAppShot.IsEnabled =
btnExit.IsEnabled = true;
// Instantiate CameraDetector using default camera ID
const int cameraId = 0;
const int numberOfFaces = 10;
const int cameraFPS = 15;
const int processFPS = 15;
Detector = new Affdex.CameraDetector(cameraId, cameraFPS, processFPS, numberOfFaces, Affdex.FaceDetectorMode.LARGE_FACES);
//Set location of the classifier data files, needed by the SDK
Detector.setClassifierPath(FilePath.GetClassifierDataFolder());
// Set the Classifiers that we are interested in tracking
TurnOnClassifiers();
Detector.setImageListener(this);
Detector.setProcessStatusListener(this);
Detector.start();
// Hide the logo, show the camera feed and the data canvas
logoBackground.Visibility = Visibility.Hidden;
cornerLogo.Visibility = Visibility.Visible;
canvas.Visibility = Visibility.Visible;
cameraDisplay.Visibility = Visibility.Visible;
}
catch (Affdex.AffdexException ex)
{
if (!String.IsNullOrEmpty(ex.Message))
{
// If this is a camera failure, then reset the application to allow the user to turn on/enable camera
if (ex.Message.Equals("Unable to open webcam."))
{
MessageBoxResult result = MessageBox.Show(ex.Message,
"AffdexMe Error",
MessageBoxButton.OK,
MessageBoxImage.Error);
StopCameraProcessing();
return;
}
}
String message = String.IsNullOrEmpty(ex.Message) ? "AffdexMe error encountered." : ex.Message;
ShowExceptionAndShutDown(message);
}
catch (Exception ex)
{
String message = String.IsNullOrEmpty(ex.Message) ? "AffdexMe error encountered." : ex.Message;
ShowExceptionAndShutDown(message);
}
}