Dynamic UILabel with Rounded Background

label.swift

class LabelWithBgImage : UILabel {
    
    var topInset: CGFloat = 0.0
    var bottomInset: CGFloat = 0.0
    var leftInset: CGFloat = 10.0
    var rightInset: CGFloat = 10.0
    
    public override init(frame: CGRect) {
        super.init(frame: frame)
    }
    
    public required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        
        layer.cornerRadius = self.frame.size.height/2
        layer.masksToBounds = true
        
        self.numberOfLines = 0
        self.adjustsFontForContentSizeCategory = true
        self.lineBreakMode = .byWordWrapping
        
        self.backgroundColor = UIColor(patternImage: UIImage(named: "divider_fade")!)
        
    }
    
    override func drawText(in rect: CGRect) {
        let insets = UIEdgeInsets(top: topInset, left: leftInset, bottom: bottomInset, right: rightInset)
        super.drawText(in: UIEdgeInsetsInsetRect(rect, insets))
    }
    
    override var intrinsicContentSize: CGSize {
        get {
            var contentSize = super.intrinsicContentSize
            contentSize.height += topInset + bottomInset
            contentSize.width += leftInset + rightInset
            return contentSize
        }
    }
}