// Uses VNUtils to calculate the points, just to test the native API
void ConvertPoints2(VNFaceLandmarkRegion2D landmark, CGRect boundingBox, nuint imgWidth, nuint imgHeight)
{
var points = landmark.Points;
var faceLandmarkPoints = points.Select(p =>
VNUtils.GetImagePoint(p, boundingBox, imgWidth, imgHeight)
);
DispatchQueue.MainQueue.DispatchAsync(() => {
Draw(faceLandmarkPoints.ToArray());
});
}
public void GetImagePointTest()
{
var imagePoint = VNUtils.GetImagePoint(new CGPoint(2, 345), 6, 78, new CGRect(90, 12, 34, 56));
Assert.That(imagePoint, Is.Not.EqualTo(CGPoint.Empty), "VNImagePointForNormalizedPointUsingRegionOfInterest is not empty");
}