LIC_save.swift

  @IBAction func handleDone(_ sender: Any) {
    let renderer = UIGraphicsImageRenderer(size: iconView.bounds.size)
    let image = renderer.image { ctx in
      iconView.drawHierarchy(in: iconView.bounds, afterScreenUpdates: true)
    }
    let finalIconDict: [String: UIImage] = ["finalIcon": image]
    NotificationCenter.default.post(name: NSNotification.Name("finalIcon"), object: nil, userInfo: finalIconDict)
    if list != nil {
      let context = CoreDataManager.shared.persistentContainer.viewContext
      let imageData = image.jpegData(compressionQuality: 0.8)
      list?.setValue(imageData, forKey: "imageData")
      do {
        try context.save()
        navigationController?.popViewController(animated: true)
      } catch let err {
        print(err)
      }
    } else {
      navigationController?.popViewController(animated: true)
    }
  }