internal FaceModel(FaceTracker faceTracker, IFTModel faceModelPtr)
{
if (faceTracker == null || faceModelPtr == null)
{
throw new InvalidOperationException("Cannot associate face model with null face tracker or native face model reference");
}
this.faceTrackingModelPtr = faceModelPtr;
this.faceTracker = faceTracker;
}
internal FaceTrackFrame(IFTResult faceTrackResultPtr, FaceTracker parentTracker)
{
if (faceTrackResultPtr == null)
{
throw new InvalidOperationException("Cannot associate with a null native frame pointer");
}
this.faceTrackingResultPtr = faceTrackResultPtr;
this.parentFaceTracker = new WeakReference(parentTracker, false);
}
/// <summary>
/// Updates the face tracking information for this skeleton
/// </summary>
public void OnFrameReady(KinectSensor kinectSensor, ColorImageFormat colorImageFormat, byte[] colorImage, DepthImageFormat depthImageFormat, short[] depthImage, Skeleton skeletonOfInterest)
{
this.skeletonTrackingState = skeletonOfInterest.TrackingState;
if (this.skeletonTrackingState != SkeletonTrackingState.Tracked)
{
// nothing to do with an untracked skeleton.
return;
}
if (this.faceTracker == null)
{
try
{
this.faceTracker = new FaceTracker(kinectSensor);
}
catch (InvalidOperationException)
{
// During some shutdown scenarios the FaceTracker
// is unable to be instantiated. Catch that exception
// and don't track a face.
Debug.WriteLine("AllFramesReady - creating a new FaceTracker threw an InvalidOperationException");
this.faceTracker = null;
}
}
if (this.faceTracker != null)
{
FaceTrackFrame frame = this.faceTracker.Track(
colorImageFormat, colorImage, depthImageFormat, depthImage, skeletonOfInterest);
this.lastFaceTrackSucceeded = frame.TrackSuccessful;
if (this.lastFaceTrackSucceeded)
{
if (faceTriangles == null)
{
// only need to get this once. It doesn't change.
faceTriangles = frame.GetTriangles();
}
this.facePoints = frame.GetProjected3DShape();
}
}
}
/// <summary>
/// Updates the face tracking information for this skeleton
/// </summary>
public void OnFrameReady(KinectSensor kinectSensor, ColorImageFormat colorImageFormat, byte[] colorImage, DepthImageFormat depthImageFormat, short[] depthImage, Skeleton skeletonOfInterest)
{
this.skeletonTrackingState = skeletonOfInterest.TrackingState;
if (this.skeletonTrackingState != SkeletonTrackingState.Tracked)
{
// nothing to do with an untracked skeleton.
return;
}
if (this.faceTracker == null)
{
try
{
this.faceTracker = new FaceTracker(kinectSensor);
}
catch (InvalidOperationException)
{
// During some shutdown scenarios the FaceTracker
// is unable to be instantiated. Catch that exception
// and don't track a face.
Debug.WriteLine("AllFramesReady - creating a new FaceTracker threw an InvalidOperationException");
this.faceTracker = null;
}
}
if (this.faceTracker != null)
{
FaceTrackFrame frame = this.faceTracker.Track(
colorImageFormat, colorImage, depthImageFormat, depthImage, skeletonOfInterest);
this.lastFaceTrackSucceeded = frame.TrackSuccessful;
if (this.lastFaceTrackSucceeded)
{
if (faceTriangles == null)
{
// only need to get this once. It doesn't change.
faceTriangles = frame.GetTriangles();
}
this.facePoints = frame.GetProjected3DShape();
}
}
}
public void Dispose()
{
if (this.faceTracker != null)
{
this.faceTracker.Dispose();
this.faceTracker = null;
}
}