Get UIImage from Pencilkit canvas iOS 13

pencilkit-uiimage.swift

func preprocessImage() -> UIImage{
        var image = canvasView.drawing.image(from: canvasView.drawing.bounds, scale: 10.0)
        if let newImage = UIImage(color: .black, size: CGSize(width: view.frame.width, height: view.frame.height)){
if let overlayedImage = newImage.image(byDrawingImage: image, inRect: CGRect(x: view.center.x, y: view.center.y, width: view.frame.width, height: view.frame.height)){
                image = overlayedImage
            }
        }
}