/// <summary>
/// Processes an <see cref="ImageData"/> object and reports it to Ogama.
/// </summary>
/// <param name="data">The <see cref="ImageData"/> to process.</param>
private void ProcessImageData(ImageData data)
{
var newGazeData = new GazeData();
if (data.LeftEye.Found && data.RightEye.Found)
{
newGazeData.GazePosX = (float)((data.LeftEye.GazePoint.x + data.RightEye.GazePoint.x) / 2.0);
newGazeData.GazePosY = (float)((data.LeftEye.GazePoint.y + data.RightEye.GazePoint.y) / 2.0);
newGazeData.PupilDiaX = (float)data.LeftEye.PupilDiameter;
newGazeData.PupilDiaY = (float)data.RightEye.PupilDiameter;
newGazeData.GazePosX = newGazeData.GazePosX / (float)this.resolutionX;
newGazeData.GazePosY = newGazeData.GazePosY / (float)this.resolutionY;
}
else if (data.LeftEye.Found)
{
newGazeData.GazePosX = (float)data.LeftEye.GazePoint.x;
newGazeData.GazePosY = (float)data.LeftEye.GazePoint.y;
newGazeData.PupilDiaX = (float)data.LeftEye.PupilDiameter;
newGazeData.PupilDiaY = null;
newGazeData.GazePosX = newGazeData.GazePosX / (float)this.resolutionX;
newGazeData.GazePosY = newGazeData.GazePosY / (float)this.resolutionY;
}
else if (data.RightEye.Found)
{
newGazeData.GazePosX = (float)data.RightEye.GazePoint.x;
newGazeData.GazePosY = (float)data.RightEye.GazePoint.y;
newGazeData.PupilDiaX = null;
newGazeData.PupilDiaY = (float)data.RightEye.PupilDiameter;
newGazeData.GazePosX = newGazeData.GazePosX / (float)this.resolutionX;
newGazeData.GazePosY = newGazeData.GazePosY / (float)this.resolutionY;
}
else
{
newGazeData.GazePosX = null;
newGazeData.GazePosY = null;
newGazeData.PupilDiaX = null;
newGazeData.PupilDiaY = null;
}
newGazeData.Time = (long)data.Time;
this.OnGazeDataChanged(new GazeDataChangedEventArgs(newGazeData));
}
///////////////////////////////////////////////////////////////////////////////
// Eventhandler //
///////////////////////////////////////////////////////////////////////////////
#region EVENTS
///////////////////////////////////////////////////////////////////////////////
// Eventhandler for UI, Menu, Buttons, Toolbars etc. //
///////////////////////////////////////////////////////////////////////////////
#region WINDOWSEVENTHANDLER
#endregion //WINDOWSEVENTHANDLER
///////////////////////////////////////////////////////////////////////////////
// Eventhandler for Custom Defined Events //
///////////////////////////////////////////////////////////////////////////////
#region CUSTOMEVENTHANDLER
#endregion //CUSTOMEVENTHANDLER
#endregion //EVENTS
///////////////////////////////////////////////////////////////////////////////
// Methods and Eventhandling for Background tasks //
///////////////////////////////////////////////////////////////////////////////
#region BACKGROUNDWORKER
#endregion //BACKGROUNDWORKER
///////////////////////////////////////////////////////////////////////////////
// Methods for doing main class job //
///////////////////////////////////////////////////////////////////////////////
#region METHODS
/// <summary>
/// This method starts the data collection process running an infinite loop
/// unless isRecording is false
/// </summary>
private void StartDataCollecting()
{
var tempImgData = new ImageData();
while (this.isRecording)
{
// Keep looping for valid image data.
while (!NativeMethods.GetImageData(100, ref tempImgData))
{
}
// Check if we have this sample, if so ignore it
if (tempImgData.Time != this.imageData.Time)
{
this.imageData = tempImgData;
this.ProcessImageData(this.imageData);
}
}
}
/// <summary>
/// Sets up calibration procedure and the tracking client
/// and wires the events. Reads settings from file.
/// </summary>
protected override sealed void Initialize()
{
this.imageData = new ImageData();
// Load eyetech tracker settings. First tries to get realtime QuickGlance
// settings. If this fails, fallback to a settingsfile. If that fails, create
// a default settingsfile.
// NOTE: These settings are not always up to date as a user can just change
// the settings through QuickGlance.
this.eyetechSettings = new EyeTechSetting();
if (!this.eyetechSettings.GetQuickGlanceSettings())
{
if (File.Exists(this.SettingsFile))
{
this.eyetechSettings = this.DeserializeSettings(this.SettingsFile);
}
else
{
this.SerializeSettings(this.eyetechSettings, this.SettingsFile);
}
}
this.UpdateSettings();
}
public static extern bool ReadBulkCapture(uint MaxTimeout, ref ImageData Data);
public static extern bool GetImageDataAndLatency(uint MaxTimeout, ref ImageData Data, ref double Latency);
public static extern bool GetImageData(uint MaxTimeout, ref ImageData Data);