private void DrawFaceBoundingBox(HighDefinitionFaceFrame frame, FaceTracker tracker, Color color)
{
frame.GetAndRefreshFaceAlignmentResult(tracker.Alignment);
var vertices = tracker.Model.CalculateVerticesForAlignment(tracker.Alignment);
if (vertices.Count > 0)
{
CameraSpacePoint verticeTop = vertices[(int)HighDetailFacePoints.ForeheadCenter];
ColorSpacePoint pointTop = sensor.CoordinateMapper.MapCameraPointToColorSpace(verticeTop);
CameraSpacePoint verticeLeft = vertices[(int)HighDetailFacePoints.Leftcheekbone];
ColorSpacePoint pointLeft = sensor.CoordinateMapper.MapCameraPointToColorSpace(verticeLeft);
CameraSpacePoint verticeRight = vertices[(int)HighDetailFacePoints.Rightcheekbone];
ColorSpacePoint pointRight = sensor.CoordinateMapper.MapCameraPointToColorSpace(verticeRight);
CameraSpacePoint verticeBottom = vertices[(int)HighDetailFacePoints.ChinCenter];
ColorSpacePoint pointBottom = sensor.CoordinateMapper.MapCameraPointToColorSpace(verticeBottom);
if (float.IsInfinity(pointTop.X) || float.IsInfinity(pointTop.Y))
{
return;
}
if (float.IsInfinity(pointLeft.X) || float.IsInfinity(pointLeft.Y))
{
return;
}
if (float.IsInfinity(pointRight.X) || float.IsInfinity(pointRight.Y))
{
return;
}
if (float.IsInfinity(pointBottom.X) || float.IsInfinity(pointBottom.Y))
{
return;
}
float posX = pointLeft.X;
float posY = pointTop.Y;
double width = Math.Abs(pointRight.X - pointLeft.X);
double height = Math.Abs(pointTop.Y - pointBottom.Y);
double lineSize = 5;
Rectangle rect = CreateFaceBoxRectangle(color, lineSize, width, height);
Canvas.SetLeft(rect, posX);
Canvas.SetTop(rect, posY);
canvas.Children.Add(rect);
tracker.FaceBox.X = posX;
tracker.FaceBox.Y = posY;
tracker.FaceBox.Width = width;
tracker.FaceBox.Height = height;
if (!tracker.CollectionEventCalled)
{
if (tracker.ModelBuilder.CollectionStatus.HasFlag(FaceModelBuilderCollectionStatus.FrontViewFramesNeeded))
{
Rectangle rectFront = CreateFaceBoxRectangle(color, 5, 30, 30);
Canvas.SetLeft(rectFront, posX + width / 2);
Canvas.SetTop(rectFront, posY + height / 2);
canvas.Children.Add(rectFront);
}
if (tracker.ModelBuilder.CollectionStatus.HasFlag(FaceModelBuilderCollectionStatus.LeftViewsNeeded))
{
Rectangle rectLeft = CreateFaceBoxRectangle(color, 5, 30, 30);
Canvas.SetLeft(rectLeft, posX - width / 2);
Canvas.SetTop(rectLeft, posY + height / 2);
canvas.Children.Add(rectLeft);
}
if (tracker.ModelBuilder.CollectionStatus.HasFlag(FaceModelBuilderCollectionStatus.RightViewsNeeded))
{
Rectangle rectRight = CreateFaceBoxRectangle(color, 5, 30, 30);
Canvas.SetLeft(rectRight, posX + width + width / 2);
Canvas.SetTop(rectRight, posY + height / 2);
canvas.Children.Add(rectRight);
}
if (tracker.ModelBuilder.CollectionStatus.HasFlag(FaceModelBuilderCollectionStatus.TiltedUpViewsNeeded))
{
Rectangle rectUp = CreateFaceBoxRectangle(color, 5, 30, 30);
Canvas.SetLeft(rectUp, posX + width / 2);
Canvas.SetTop(rectUp, posY - height / 2);
canvas.Children.Add(rectUp);
}
}
}
}