BezierView.swift

class BezierView: UIView {

    private var bezier: UIBezierPath
    
    init(bezier: UIBezierPath) {
        self.bezier = bezier
        let transform = CGAffineTransform()
        transform.scaledBy(x: 2, y: 2)
        let rectBounds = bezier.bounds
        rectBounds.applying(transform)
        super.init(frame:rectBounds)
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func draw(_ rect: CGRect) {
        // Drawing code
        bezier.lineCapStyle = .round
        bezier.lineWidth = 10
        bezier.stroke()
    }

}