internal bool ShouldIncludeEvent(DecodedEventWrapper etwEvent)
{
// If there are no filters, then we should include the event
if (null == this.filters)
{
return(true);
}
// If we have filters, then don't include the event unless the
// filters effectively ask for it to be included.
bool includeEvent = false;
Closeness closeness = Closeness.NoMatch;
// Go through each filter and compare ...
foreach (FilterElement filterElement in this.filters)
{
// Check if the event matches the current filter. If it matches,
// check whether the filter asks for the event to be included or
// excluded.
bool tempIncludeEvent;
Closeness tempCloseness;
this.MatchEventWithFilter(
filterElement,
etwEvent,
out tempCloseness,
out tempIncludeEvent);
// If this filter is a closer match than previously encountered
// filters, then update our decision to include or exclude the
// event.
// If this filter is not a closer match than previously
// encountered filters, then we do not update our decision.
if (tempCloseness > closeness)
{
System.Fabric.Interop.Utility.ReleaseAssert(tempCloseness != Closeness.NoMatch, string.Empty);
includeEvent = tempIncludeEvent;
closeness = tempCloseness;
if (Closeness.MaxCloseness == closeness)
{
// We already found the closest possible match. We can't
// find a closer match than this. So break out of the loop.
break;
}
}
}
return(includeEvent);
}
private void MatchEventWithFilter(FilterElement filterElement, DecodedEventWrapper etwEvent, out Closeness closeness, out bool includeEvent)
{
includeEvent = false;
// Figure out if we have a match and if so how close is the match
closeness = this.ComputeCloseness(filterElement, etwEvent);
// If we have a match, figure out whether the event should be
// included or not
if (closeness > Closeness.NoMatch)
{
includeEvent = filterElement.Level >= etwEvent.Level;
}
}
/// <summary>
/// Handles the body frame data arriving from the sensor
/// </summary>
/// <param name="sender">object sending the event</param>
/// <param name="e">event arguments</param>
private void Reader_BodyFrameArrived(object sender, BodyFrameArrivedEventArgs e)
{
this.previousBodyFrameTime = currentBodyFrameTime;
this.currentBodyFrameTime = DateTime.Now;
bool dataReceived = false;
using (var bodyFrame = e.FrameReference.AcquireFrame())
{
if (bodyFrame != null)
{
if (this.bodies == null)
{
this.bodies = new Body[bodyFrame.BodyCount];
}
dataReceived = true;
// update body data
// The first time GetAndRefreshBodyData is called, Kinect will allocate each Body in the array.
// As long as those body objects are not disposed and not set to null in the array,
// those body objects will be re-used.
bodyFrame.GetAndRefreshBodyData(this.bodies);
bool gotFaceResult = false;
// iterate through each face source
for (int i = 0; i < this.bodyCount; i++)
{
// check if a valid face is tracked in this face source
if (this.faceFrameSources[i].IsTrackingIdValid)
{
// check if we have valid face frame results
if (this.faceFrameResults[i] != null)
{
faceIndicator.Fill = new SolidColorBrush(Colors.Red);
handleFaceFrameResults(i, this.faceFrameResults[i]);
if (!gotFaceResult)
{
gotFaceResult = true;
}
}
}
else
{
// check if the corresponding body is tracked
if (this.bodies[i].IsTracked)
{
// update the face frame source to track this body
this.faceFrameSources[i].TrackingId = this.bodies[i].TrackingId;
}
}
}
if (!gotFaceResult)
{
// if no faces were gotten then this indicates one of the following:
// a body was not tracked
// a body was tracked but the corresponding face was not tracked
// a body and the corresponding face was tracked though the face box or the face points were not valid
// if we cant find a face then we can assume the display is not being looked at
//lookAwayTimer += (currentBodyFrameTime - previousBodyFrameTime).TotalSeconds;
//Debug.WriteLine("no face lookAway:" + lookAwayTimer.ToString());
faceIndicator.Fill = new SolidColorBrush(Colors.Orange);
}
}
}
if (dataReceived)
{
foreach (Body body in this.bodies)
{
if (body.IsTracked)
{
IReadOnlyDictionary <JointType, Joint> joints = body.Joints;
if (joints.ContainsKey(JointType.Head))
{
CameraSpacePoint position = joints[JointType.Head].Position;
if (position.Z < 0)
{
position.Z = InferredZPositionClamp;
}
//Debug.WriteLine("z:" + position.Z.ToString());
if (position.Z <= 0.68)
{
closeness = Closeness.Close;
}
else if (position.Z <= 1)
{
closeness = Closeness.Medium;
}
else
{
closeness = Closeness.Far;
}
}
}
}
}
}
/// <summary>
/// Handles the body frame data arriving from the sensor
/// </summary>
/// <param name="sender">object sending the event</param>
/// <param name="e">event arguments</param>
private void Reader_BodyFrameArrived(object sender, BodyFrameArrivedEventArgs e)
{
this.previousBodyFrameTime = currentBodyFrameTime;
this.currentBodyFrameTime = DateTime.Now;
bool dataReceived = false;
using (var bodyFrame = e.FrameReference.AcquireFrame())
{
if (bodyFrame != null)
{
if (this.bodies == null)
{
this.bodies = new Body[bodyFrame.BodyCount];
}
dataReceived = true;
// update body data
// The first time GetAndRefreshBodyData is called, Kinect will allocate each Body in the array.
// As long as those body objects are not disposed and not set to null in the array,
// those body objects will be re-used.
bodyFrame.GetAndRefreshBodyData(this.bodies);
bool gotFaceResult = false;
// iterate through each face source
for (int i = 0; i < this.bodyCount; i++)
{
// check if a valid face is tracked in this face source
if (this.faceFrameSources[i].IsTrackingIdValid)
{
// check if we have valid face frame results
if (this.faceFrameResults[i] != null)
{
faceIndicator.Fill = new SolidColorBrush(Colors.Red);
handleFaceFrameResults(i, this.faceFrameResults[i]);
if (!gotFaceResult)
{
gotFaceResult = true;
}
}
}
else
{
// check if the corresponding body is tracked
if (this.bodies[i].IsTracked)
{
// update the face frame source to track this body
this.faceFrameSources[i].TrackingId = this.bodies[i].TrackingId;
}
}
}
if (!gotFaceResult)
{
// if no faces were gotten then this indicates one of the following:
// a body was not tracked
// a body was tracked but the corresponding face was not tracked
// a body and the corresponding face was tracked though the face box or the face points were not valid
// if we cant find a face then we can assume the display is not being looked at
//lookAwayTimer += (currentBodyFrameTime - previousBodyFrameTime).TotalSeconds;
//Debug.WriteLine("no face lookAway:" + lookAwayTimer.ToString());
faceIndicator.Fill = new SolidColorBrush(Colors.Orange);
}
}
}
if (dataReceived)
{
foreach (Body body in this.bodies)
{
if (body.IsTracked)
{
IReadOnlyDictionary<JointType, Joint> joints = body.Joints;
if (joints.ContainsKey(JointType.Head))
{
CameraSpacePoint position = joints[JointType.Head].Position;
if (position.Z < 0)
{
position.Z = InferredZPositionClamp;
}
//Debug.WriteLine("z:" + position.Z.ToString());
if (position.Z <= 0.68)
{
closeness = Closeness.Close;
} else if (position.Z <= 1)
{
closeness = Closeness.Medium;
} else
{
closeness = Closeness.Far;
}
}
}
}
}
}
public PersonViewModel(string name, Closeness closeness)
{
this.Name = name;
this.Closeness = closeness;
}
public PersonViewModel(string name, Closeness closeness)
{
this.Name = name;
this.Closeness = closeness;
}