void SetSource(TouchMouseSensorEventArgs e)
{
//Send for recording
Recorder.Append(e.Status, e.Image);
// Convert bitmap from memory to graphic form.
BitmapSource source =
BitmapSource.Create(e.Status.m_dwImageWidth, e.Status.m_dwImageHeight,
96, 96,
PixelFormats.Gray8, null, e.Image, e.Status.m_dwImageWidth);
// Show bitmap in user interface.
SensorImage.Source = source;
}
private void TimerTick(object state, EventArgs e)
{
_frameNumber++;
if (_args == null)
{
MainWindow.SetSensorImage(TouchImage.GetEmptyImage());
return;
}
//Stopwatch sw = new Stopwatch();
//sw.Start();
TouchImage currentImage = new TouchImage()
{
Height = (byte)_args.Status.m_dwImageHeight,
Width = (byte)_args.Status.m_dwImageWidth,
Image = _args.Image,
FrameNumber = _frameNumber,
};
currentImage.FindTouchPoints();
if (currentImage.TouchPoints.Count > 0)
{
currentImage.FindMovements(_previousImage);
}
// Check touchpoints that were not continued for gestures
if (_previousImage != null)
{
_previousImage.CheckGesture();
}
_previousImage = currentImage;
//sw.Stop();
//Trace.WriteLine("Elapsed: " + sw.ElapsedMilliseconds);
//MainWindow.SetMessage("Elapsed: " + sw.ElapsedMilliseconds);
bool hasPrinted = false;
if (currentImage.CenterOfGravity != null && currentImage.CenterOfGravity.Movement != null
&& currentImage.CenterOfGravity.Movement.Magnitude > Movement.MOVEMENT_THRESHOLD)
{
Trace.WriteLine(string.Format("{0}, {1}: {2}, {3}: {4}: {5}", currentImage.CenterOfGravity.FocalPointX,
currentImage.CenterOfGravity.FocalPointY, currentImage.CenterOfGravity.Movement.XMovement,
currentImage.CenterOfGravity.Movement.YMovement, currentImage.CenterOfGravity.Movement.Magnitude,
currentImage.CenterOfGravity.TouchPointType));
Trace.WriteLine(string.Join<Movement>(", ", currentImage.CenterOfGravity.Movements));
Trace.WriteLine("*********************");
hasPrinted = true;
}
if (currentImage.TouchPoints.Count(x => x.Movement.Magnitude > Movement.MOVEMENT_THRESHOLD) > 0)
{
int movementCount = 0;
foreach (var point in currentImage.TouchPoints)
{
movementCount += point.Movements.Count;
//if (point.Gesture != null && point.Movement.Magnitude > Movement.MOVEMENT_THRESHOLD)//point.Gesture.LastOrDefault() == point.Movement)
//{
Trace.WriteLine(string.Format("{0}, {1}: {2}, {3}: {4}: {5}: {6}", point.FocalPointX, point.FocalPointY, point.Movement.XMovement, point.Movement.YMovement, point.Movement.Magnitude, point.Movement.Direction, point.TouchPointType));
Trace.WriteLine(string.Join<Movement>(", ", currentImage.CenterOfGravity.Movements));
Trace.WriteLine("*********************");
hasPrinted = true;
}
}
if (hasPrinted)
{
System.Diagnostics.Trace.WriteLine("------------------- End Frame " + _frameNumber + " --------------------");
}
//SensorImage.Source = ti.GetSensorImage();
//SensorImage.Source = ti.GetTouchPointImage();
MainWindow.SetSensorImage(currentImage.GetTouchPointImageColored());
_args = null;
}
/// <summary>
/// Handle callback from mouse.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The event arguments.</param>
void TouchMouseSensorHandler(object sender, TouchMouseSensorEventArgs e)
{
// We're in a thread belonging to the mouse, not the user interface
// thread. Need to dispatch to the user interface thread.
Dispatcher.Invoke((Action<TouchMouseSensorEventArgs>)SetSource, e);
}
void TouchMouseSensorHandler(object sender, TouchMouseSensorEventArgs e)
{
// We're in a thread belonging to the mouse, not the user interface
// thread. Need to dispatch to the user interface thread.
_args = e;
}
