IconView-start.swift

class IconView: UIView {
  
  var icon: Icon
  var color: UIColor
  
  private let label: UILabel = {
        let font = UIFont.iconFont(ofSize: 500)
        let label = UILabel()
        label.font = font
        label.adjustsFontSizeToFitWidth = true
        label.minimumScaleFactor = 0.01
        label.textAlignment = .center
        label.sizeToFit()

        // Prevents resizing by text accessibity features
        label.adjustsFontForContentSizeCategory = false

        return label
    }()
    
    init(icon: Icon, color: UIColor) {
        self.icon = icon
        self.color = color
        super.init(frame: .zero)
        setup()
    }
    
    private func setup() {
        addSubview(label)
        constrainLabel()
        
        label.text = icon.rawValue
        label.textColor = color
    }
    
    private func constrainLabel() {
      label.translatesAutoresizingMaskIntoConstraints = false
        self.translatesAutoresizingMaskIntoConstraints = false

        let centerX = self.centerXAnchor.constraint(equalTo: label.centerXAnchor)
        let centerY = self.centerYAnchor.constraint(equalTo: label.centerYAnchor)
        let width = self.widthAnchor.constraint(equalTo: label.widthAnchor, multiplier: proportionFontToWrapper)
        let height = self.heightAnchor.constraint(equalTo: label.heightAnchor, multiplier: proportionFontToWrapper)

        NSLayoutConstraint.activate([centerX, centerY, width, height])
    }
  
}