protected virtual void PaintContour(HandData hand, DrawingContext drawingContext)
{
if (hand.Contour.Points.Count > 1) {
var points = hand.Contour.Points.Select(p => new System.Windows.Point(p.X, p.Y)).ToArray();
DrawLines(drawingContext, this.yellowPen, points);
}
}
protected virtual void DrawCenter(HandData hand, DrawingContext drawingContext)
{
drawingContext.DrawEllipse(Brushes.Blue, null, new System.Windows.Point(hand.Location.X, hand.Location.Y), 5, 5);
if (hand.HasPalmPoint) {
drawingContext.DrawEllipse(Brushes.SpringGreen, null, new System.Windows.Point(hand.PalmPoint.Value.X, hand.PalmPoint.Value.Y), 5, 5);
var palmSize = hand.PalmDistance;
drawingContext.DrawEllipse(null, this.greenPen, new System.Windows.Point(hand.PalmPoint.Value.X, hand.PalmPoint.Value.Y), palmSize, palmSize);
}
}
private HandData Create(HandData lastFrameData, Shape shape)
{
return(this.Create(lastFrameData.Id, shape, lastFrameData.FingerPoints.Union(lastFrameData.NewlyDetectedFingerPoints).ToList()));
}
private HandData Create(HandData lastFrameData, Shape shape)
{
return this.Create(lastFrameData.Id, shape, lastFrameData.FingerPoints.Union(lastFrameData.NewlyDetectedFingerPoints).ToList());
}
private void DrawHand(HandData hand, DrawingContext drawingContext)
{
this.PaintCovexHull(hand, drawingContext);
if (hand.Contour != null) {
this.PaintContour(hand, drawingContext);
}
this.DrawFingerPoints(hand, drawingContext);
this.DrawCenter(hand, drawingContext);
}
protected virtual void PaintCovexHull(HandData cluster, DrawingContext drawingContext)
{
if (cluster.ConvexHull.Count > 3) {
this.DrawLines(drawingContext, this.whitePen, cluster.ConvexHull.Points.Select(p => new System.Windows.Point(p.X, p.Y)).ToArray());
}
}
protected virtual void DrawFingerPoints(HandData cluster, DrawingContext drawingContext)
{
foreach (var point in cluster.FingerPoints) {
PaintFingerPoint(point, drawingContext);
}
}
