/// <summary>
/// Get and notify new ball coordinates
/// </summary>
public override void Job()
{
//Detach from streamer
_publisher.Dettach(this);
//get current ball coordinates
BallCoordinates coordinates = SampleCoordinates();
//show current ball coordinates on screen and GUI
System.Drawing.PointF p = Transformation.InvertTransform(new System.Drawing.PointF(_x, _y));
UpdateMarkup(Helpers.eMarkupKey.BALL_CIRCLE_MARK, new Point(p.X, p.Y), _ballRadius * 2);
UpdateStatistics(Helpers.eStatisticsKey.BasicImageProcessingInfo,
String.Format("Generated coordinates: {0}x{1}", _x, _y));
//set current coordinates to update
_coordinatesUpdater.LastBallCoordinates = coordinates;
//publish new ball coordinates
BallLocationPublisher.UpdateAndNotify();
//attach back to streamer
_publisher.Attach(this);
}
/// <summary>
/// Demo Image Processing Unit constructor
/// </summary>
/// <param name="streamer">DemoStreamer instance</param>
/// <param name="onUpdateMarkup">On Update Markup delegate</param>
/// <param name="onUpdateStatistics">On Update Statistics delegate</param>
public DemoImageProcessingUnit(DemoStreamer streamer,
Helpers.UpdateMarkupCircleDelegate onUpdateMarkup, Helpers.UpdateStatisticsDelegate onUpdateStatistics) :
base(streamer, onUpdateMarkup, onUpdateStatistics)
{
//Set Foosbot world sizes - axe X x axe Y
_rightBorder = Configuration.Attributes.GetValue <double>(Configuration.Names.FOOSBOT_AXE_X_SIZE);
_buttomBorder = Configuration.Attributes.GetValue <double>(Configuration.Names.FOOSBOT_AXE_Y_SIZE);
//Create Transfomation Matrix - to present coordinates of a Ball in GUI
InitializeTransformation(Convert.ToSingle(streamer.FrameWidth),
Convert.ToSingle(streamer.FrameHeight), Convert.ToSingle(_rightBorder),
Convert.ToSingle(_buttomBorder));
//Set this Demo Image Processing Unit as observer for Demo Streamer
streamer.DemoImageProcessingUnit = this;
//Create Ball Location Publisher for Observers
_coordinatesUpdater = new DemoLastBallCoordinatesUpdater();
BallLocationPublisher = new BallLocationPublisher(_coordinatesUpdater);
//Set borders of frame to include ball radius
_rightBorder -= _ballRadius;
_buttomBorder -= _ballRadius;
_leftBorder += _ballRadius;
_upeerBorder += _ballRadius;
//Set start ball coordinates
_x = Convert.ToInt32(_rightBorder / 2);
_y = Convert.ToInt32(_buttomBorder / 2);
//Instantiate random generator
_random = new Random();
//Start Generating Locations in separate Thread
BeginInvokeGenerateLocation();
}
