public Cursor()
{
InitializeComponent();
toggleIdle(true);
Kinect kinect = Kinect.getInstance();
parentBounds = new Size(0, 0);
Loaded += (source, args) => {
parentWindow = Window.GetWindow(this);
// Kinect controls
kinect.FingerPositionChanged += (p) => {
Position = kinect.ColorToInterface(p, parentBounds);
Mode = kinect.CursorMode;
};
kinect.ModeStart += (m) => {
Position = kinect.ColorToInterface(kinect.FingerPosition, parentBounds);
Mode = m;
ModeStart?.Invoke(m);
};
kinect.ModeEnd += (m) => {
Position = kinect.ColorToInterface(kinect.FingerPosition, parentBounds);
Mode = m;
ModeEnd?.Invoke(m);
};
/* Mouse controls
* parentWindow.MouseMove += (s, e) => {
* Position = Mouse.GetPosition(parentWindow);
* Mode = mouseMode();
*
* Moved?.Invoke(Position);
* };
* parentWindow.PreviewMouseDown += (s, e) => {
* Position = Mouse.GetPosition(parentWindow);
* Mode = mouseMode();
*
* ModeStart?.Invoke(Mode);
* };
* parentWindow.PreviewMouseUp += (s, e) => {
* Position = Mouse.GetPosition(parentWindow);
* Mode = mouseMode();
*
* ModeEnd?.Invoke(Mode);
* }; */
};
}
/// <summary>
/// Generates an ImageSource based on the latest MultiSourceFrame
/// and triggers a BitMapReady event
/// </summary>
/// <param name="sender">The Sender of the frame (Kinect.sensor)</param>
/// <param name="e">The MultiSourceFrameEventArgs</param>
private void frameReader_frameArrived(Object sender, MultiSourceFrameArrivedEventArgs e)
{
var reference = e.FrameReference.AcquireFrame();
using (var frame = reference.ColorFrameReference.AcquireFrame()) {
if (frame != null)
{
BitMapReadyHandler handler = BitMapReady;
ImageSource img = ToBitmap(frame);
//Allow the image to be accessible outside this thread
img.Freeze();
Application.Current.Dispatcher.Invoke(new Action(() => handler?.Invoke(img)));
}
}
if (activeBody != null && activeBody.IsTracked)
{
HandState handState = (rightHand) ? activeBody.HandRightState :
activeBody.HandLeftState;
var colorPoint = coordinateMapper.MapCameraPointToColorSpace(
activeBody.Joints[handTip].Position);
Point point = smoother.Next(new System.Drawing.PointF(colorPoint.X, colorPoint.Y));
if (!point.Equals(prevPoint))
{
FingerPosition = point;
prevPoint = point;
Application.Current.Dispatcher.Invoke(new Action(() => FingerPositionChanged?.Invoke(point)));
}
CursorModes mode;
switch (handState)
{
case HandState.Lasso:
mode = CursorModes.Draw;
break;
case HandState.Open:
mode = CursorModes.Erase;
break;
case HandState.Closed:
case HandState.NotTracked:
mode = CursorModes.Idle;
break;
default:
return;
}
if (mode != CursorMode)
{
if (mode == CursorModes.Idle)
{
//Compare the tip of the hand to the hand blob
//Attempt to see if a finger is extended
if (Math.Abs(activeBody.Joints[hand].Position.Z - activeBody.Joints[handTip].Position.Z) > 0.05)
{
mode = CursorModes.Draw;
return;
}
}
if (mode == NextMode)
{
if (++ModeFrameSkip == FRAME_SKIP_HAND_STATUS)
{
Application.Current.Dispatcher.Invoke(new Action(() => ModeEnd?.Invoke(CursorMode)));
Application.Current.Dispatcher.Invoke(new Action(() => ModeStart?.Invoke(mode)));
CursorMode = mode;
ModeFrameSkip = 0;
}
}
else
{
NextMode = mode;
}
}
}
}
