public void addNormalData(FaceNormal f)
{
_normal_list.AddLast(f);
while (f.time.Subtract(_normal_list.First().time) > span)
{
_normal_list.RemoveFirst();
}
}
void NormalFaceReader_FrameArrived(object sender, FaceFrameArrivedEventArgs e)
{
using (var frame = e.FrameReference.AcquireFrame())
{
if (frame != null)
{
// 4) Get the face frame result
FaceFrameResult result = frame.FaceFrameResult;
if (result != null)
{
// 5) Do magic!
var f = new FaceNormal(result);
_faceData.addNormalData(f);
infoNormal.Text = f.dump_str();
infoNormal.Text += _faceData.dump_str();
// Get the face points, mapped in the color space.
var eyeLeft = result.FacePointsInColorSpace[FacePointType.EyeLeft];
var eyeRight = result.FacePointsInColorSpace[FacePointType.EyeRight];
// Position the canvas UI elements
Canvas.SetLeft(ellipseEyeLeft, eyeLeft.X - ellipseEyeLeft.Width / 2.0);
Canvas.SetTop(ellipseEyeLeft, eyeLeft.Y - ellipseEyeLeft.Height / 2.0);
Canvas.SetLeft(ellipseEyeRight, eyeRight.X - ellipseEyeRight.Width / 2.0);
Canvas.SetTop(ellipseEyeRight, eyeRight.Y - ellipseEyeRight.Height / 2.0);
// Display or hide the ellipses
if (f.eyeLeftClosed == DetectionResult.Yes || f.eyeLeftClosed == DetectionResult.Maybe)
{
ellipseEyeLeft.Visibility = Visibility.Collapsed;
}
else
{
ellipseEyeLeft.Visibility = Visibility.Visible;
}
if (f.eyeRightClosed == DetectionResult.Yes || f.eyeRightClosed == DetectionResult.Maybe)
{
ellipseEyeRight.Visibility = Visibility.Collapsed;
}
else
{
ellipseEyeRight.Visibility = Visibility.Visible;
}
}
}
}
}