private void GetNewPictureFromServer(object sender, EventArgs e)
{
// if there is no user
if (CurrentUserPresenceState != gazeStream.IsUserPresent)
{
CurrentUserPresenceState = gazeStream.IsUserPresent;
UserPresenceChanged?.Invoke(gazeStream, CurrentUserPresenceState);
}
if (!gazeStream.IsUserPresent)
{
if (EmptyImage != null)
{
Image = EmptyImage;
}
// stop the robot
// set current state as paSSIVE
LastState = MoveGoalRectangles.Passive;
CurrentGoalArea = MoveGoalRectangles.Passive;
CurrentGazePoint = new Point(0, 0);
return;
}
try
{
CurrentGazePoint = PointToClient(gazeStream.GazePoint);
CurrentGoalRectangle = GazeRectangle.TestGazePoint(CurrentGazePoint);
// change state only if gaze point was moved to new control area
if (CurrentGoalRectangle != LastState)
{
if (CurrentGoalRectangle != MoveGoalRectangles.Passive)
{
LastState = CurrentGoalRectangle;
MovementDirectionChanged?.Invoke(this,
new MotionDirectionChangedArgs(
GazeRectangle.TestGazePoint(CurrentGazePoint), CurrentGazePoint));
//Debug.WriteLine($"MovementDirectionChanged fired at {DateTime.Now.ToLongTimeString()} !!!");
}
}
DownloadRawPicture();
DecorateRawPicture();
OutputProcessedPicture();
}
catch
{
return;
}
}
/// <summary>
/// Class constructor
/// </summary>
/// <param name="newMovementArea">New direction of the gaze</param>
/// <param name="gazePoint">New point of the gaze's fixation</param>
public MotionDirectionChangedArgs(MoveGoalRectangles newMovementArea, Point gazePoint)
{
GazePoint = gazePoint;
NewMovementArea = newMovementArea;
}
