// ReSharper disable once ParameterHidesMember
private void HandTrackerOnNewData(HandTracker handTracker)
{
if (!handTracker.IsValid)
{
return;
}
using (var frame = handTracker.ReadFrame())
{
if (frame == null || !frame.IsValid)
{
return;
}
lock (this)
{
using (var depthFrame = frame.DepthFrame)
{
if (image?.Width != depthFrame.FrameSize.Width ||
image?.Height != depthFrame.FrameSize.Height)
{
image?.Dispose();
image = new Bitmap(
depthFrame.FrameSize.Width,
depthFrame.FrameSize.Height,
PixelFormat.Format24bppRgb);
}
}
using (var g = Graphics.FromImage(image))
{
g.FillRectangle(Brushes.Black, new Rectangle(new Point(0, 0), image.Size));
foreach (var gesture in frame.Gestures)
{
if (gesture.IsComplete)
{
handTracker.StartHandTracking(gesture.CurrentPosition);
}
}
if (frame.Hands.Length == 0)
{
g.DrawString("Raise your hand", SystemFonts.DefaultFont, Brushes.White, 10, 10);
}
else
{
foreach (var hand in frame.Hands)
{
if (hand.IsTracking)
{
var handPosEllipse = new Point();
var handPos = handTracker.ConvertHandCoordinatesToDepth(hand.Position);
if (!handPos.IsEmpty && !float.IsNaN(handPos.X) && !float.IsNaN(handPos.Y))
{
handPosEllipse.X = (int)handPos.X - 5;
handPosEllipse.Y = (int)handPos.Y - 5;
g.DrawEllipse(new Pen(Brushes.White, 5),
new Rectangle(handPosEllipse, new Size(5, 5)));
}
}
}
}
g.Save();
}
}
Invoke(
new MethodInvoker(
delegate
{
try
{
// ReSharper disable AccessToDisposedClosure
fps = (1000000 / (frame.Timestamp - lastTime) + fps * 4) / 5;
lastTime = frame.Timestamp;
Text = @"Frame #" +
frame.FrameIndex +
@" - Time: " +
frame.Timestamp +
@" - FPS: " +
fps;
// ReSharper restore AccessToDisposedClosure
pb_preview.Image?.Dispose();
pb_preview.Image = image.Clone(
new Rectangle(new Point(0, 0), image.Size),
PixelFormat.Format24bppRgb);
}
catch
{
}
}));
}
}
// ReSharper disable once ParameterHidesMember
private void HandTrackerOnNewData(HandTracker handTracker)
{
if (!handTracker.IsValid)
{
return;
}
HandTrackerFrameRef frame = handTracker.ReadFrame();
if (frame == null || !frame.IsValid)
{
return;
}
lock (this.image)
{
using (VideoFrameRef depthFrame = frame.DepthFrame)
{
if (this.image.Width != depthFrame.FrameSize.Width ||
this.image.Height != depthFrame.FrameSize.Height)
{
this.image = new Bitmap(
depthFrame.FrameSize.Width,
depthFrame.FrameSize.Height,
PixelFormat.Format24bppRgb);
}
}
using (Graphics g = Graphics.FromImage(this.image))
{
g.FillRectangle(Brushes.Black, new Rectangle(new Point(0, 0), this.image.Size));
foreach (GestureData gesture in frame.Gestures)
{
if (gesture.IsComplete)
{
handTracker.StartHandTracking(gesture.CurrentPosition);
}
}
if (frame.Hands.Length == 0)
{
g.DrawString("Raise your hand", SystemFonts.DefaultFont, Brushes.White, 10, 10);
}
else
{
foreach (HandData hand in frame.Hands)
{
if (hand.IsTracking)
{
Point handPosEllipse = new Point();
PointF handPos = handTracker.ConvertHandCoordinatesToDepth(hand.Position);
handPosEllipse.X = (int)handPos.X - 5;
handPosEllipse.Y = (int)handPos.Y - 5;
g.DrawEllipse(new Pen(Brushes.White, 5), new Rectangle(handPosEllipse, new Size(5, 5)));
}
}
}
g.Save();
}
}
this.Invoke(
new MethodInvoker(
delegate
{
this.fps = ((1000000 / (frame.Timestamp - this.lastTime)) + (this.fps * 4)) / 5;
this.lastTime = frame.Timestamp;
this.Text = @"Frame #" + frame.FrameIndex + @" - Time: " + frame.Timestamp + @" - FPS: "
+ this.fps;
this.pb_preview.Image = this.image.Clone(
new Rectangle(new Point(0, 0), this.image.Size),
PixelFormat.Format24bppRgb);
frame.Release();
}));
}