/// <summary>
/// Called when new track status data is received
/// </summary>
/// <param name="data"> The track status data to be displayed in this control. </param>
public void OnTrackStatusData(TrackStatusData data)
{
// Add data to history
this.dataHistory.Enqueue(data);
// Remove history item if necessary
while (this.dataHistory.Count > Historysize)
{
this.dataHistory.Dequeue();
}
this.currentTrackStatus = data;
this.Invalidate();
}
/// <summary>
/// Processes the message.
/// </summary>
/// <param name="msg">The message from the haytham server.</param>
private void ProcessMessage(string msg)
{
if (msg == "Commands|CalibrationFinished|")
{
this.OnCalibrationFinished(EventArgs.Empty);
return;
}
string[] msgArray = this.ConvertMsgToArray(msg);
if (msg.StartsWith("Eye|"))
{
var newData = new GazeData();
// Get time
var timeInTicks = long.Parse(msgArray[0]);
// Convert to milliseconds
newData.Time = (long)(timeInTicks / 10000.0);
// Get Position in screen coordinates
var absoluteX = float.Parse(msgArray[1]);
var absoluteY = float.Parse(msgArray[2]);
// Convert to relative coordinates, cause this is expected by Ogama
newData.GazePosX = absoluteX / this.presentationScreenSize.Width;
newData.GazePosY = absoluteY / this.presentationScreenSize.Height;
newData.PupilDiaX = int.Parse(msgArray[3]);
this.OnGazeDataReceived(new GazeDataChangedEventArgs(newData));
var newTrackStatusData = new TrackStatusData();
newTrackStatusData.TrackedEyes = Eye.Left;
var isPupilFound = bool.Parse(msgArray[4]);
newTrackStatusData.LeftEyeValidity = isPupilFound ? Validity.Good : Validity.Missing;
var pupilPosX = float.Parse(msgArray[5]);
var pupilPosY = float.Parse(msgArray[6]);
newTrackStatusData.LeftEyePosition = new Vector3D(pupilPosX, pupilPosY, 0);
this.OnTrackStatusDataChanged(new TrackStatusDataChangedEventArgs(newTrackStatusData));
}
}
/// <summary>
/// This method computes the status color.
/// </summary>
/// <returns>The <see cref="Color" /> indicating the tracking quality.</returns>
private Color ComputeStatusColor()
{
if (!this.Enabled)
{
return(Color.Gray);
}
int quality = 0;
int count = 0;
var historyClone = new TrackStatusData[Historysize];
this.dataHistory.CopyTo(historyClone, 0);
foreach (TrackStatusData item in historyClone)
{
switch (item.TrackedEyes)
{
case Eye.None:
break;
case Eye.Left:
if (item.LeftEyeValidity == Validity.Good)
{
quality += 2;
}
else if (item.LeftEyeValidity == Validity.Problematic)
{
quality++;
}
break;
case Eye.Right:
if (item.RightEyeValidity == Validity.Good)
{
quality += 2;
}
else if (item.RightEyeValidity == Validity.Problematic)
{
quality++;
}
break;
case Eye.Both:
if (item.LeftEyeValidity == Validity.Good && item.RightEyeValidity == Validity.Good)
{
quality += 2;
}
else if (item.LeftEyeValidity == Validity.Problematic && item.RightEyeValidity == Validity.Problematic)
{
quality++;
}
break;
}
count++;
}
float q = count == 0 ? 0 : quality / (2F * count);
return(this.statusGradient.GetRelativeColor(q));
}
/// <summary>
/// Clears the track status.
/// </summary>
public void Clear()
{
this.dataHistory.Clear();
this.currentTrackStatus = new TrackStatusData();
this.Invalidate();
}
/// <summary>
/// This method computes the status color.
/// </summary>
/// <returns>The <see cref="Color" /> indicating the tracking quality.</returns>
private Color ComputeStatusColor()
{
if (!this.Enabled)
{
return Color.Gray;
}
int quality = 0;
int count = 0;
var historyClone = new TrackStatusData[Historysize];
this.dataHistory.CopyTo(historyClone, 0);
foreach (TrackStatusData item in historyClone)
{
switch (item.TrackedEyes)
{
case Eye.None:
break;
case Eye.Left:
if (item.LeftEyeValidity == Validity.Good)
{
quality += 2;
}
else if (item.LeftEyeValidity == Validity.Problematic)
{
quality++;
}
break;
case Eye.Right:
if (item.RightEyeValidity == Validity.Good)
{
quality += 2;
}
else if (item.RightEyeValidity == Validity.Problematic)
{
quality++;
}
break;
case Eye.Both:
if (item.LeftEyeValidity == Validity.Good && item.RightEyeValidity == Validity.Good)
{
quality += 2;
}
else if (item.LeftEyeValidity == Validity.Problematic && item.RightEyeValidity == Validity.Problematic)
{
quality++;
}
break;
}
count++;
}
float q = count == 0 ? 0 : quality / (2F * count);
return this.statusGradient.GetRelativeColor(q);
}
/// <summary>
/// Called when new track status data is received
/// </summary>
/// <param name="data"> The track status data to be displayed in this control. </param>
public void OnTrackStatusData(TrackStatusData data)
{
// Add data to history
this.dataHistory.Enqueue(data);
// Remove history item if necessary
while (this.dataHistory.Count > Historysize)
{
this.dataHistory.Dequeue();
}
this.currentTrackStatus = data;
this.Invalidate();
}
/// <summary>
/// Clears the track status.
/// </summary>
public void Clear()
{
this.dataHistory.Clear();
this.currentTrackStatus = new TrackStatusData();
this.Invalidate();
}
/// <summary>
/// Initializes a new instance of the TrackStatusDataChangedEventArgs class.
/// </summary>
/// <param name="newTrackStatusData">
/// The track status data as a <see cref="TrackStatusData"/> value.
/// </param>
public TrackStatusDataChangedEventArgs(TrackStatusData newTrackStatusData)
{
this.TrackStatusData = newTrackStatusData;
}