MediumBlog Color Constant

UIColorExtension.swift

extension UIColor {
  
   /**
   Creates an UIColor from HEX String in "#363636" format
  
   - parameter hexString: HEX String in "#363636" format   
   - returns: UIColor from HexString
   */
    convenience init(hexString: String) {
			
      let hexString: String = (hexString as NSString).trimmingCharacters(in: .whitespacesAndNewlines)
      let scanner          = Scanner(string: hexString as String)
			
      if hexString.hasPrefix("#") {
        scanner.scanLocation = 1
      }      
      var color: UInt32 = 0
      scanner.scanHexInt32(&color)
			
      let mask = 0x000000FF
      let r = Int(color >> 16) & mask
      let g = Int(color >> 8) & mask
      let b = Int(color) & mask
      
      let red   = CGFloat(r) / 255.0
      let green = CGFloat(g) / 255.0
      let blue  = CGFloat(b) / 255.0      
      self.init(red:red, green:green, blue:blue, alpha:1)
    }
  
  /**
   Creates an UIColor Object based on provided RGB value in integer

   - parameter red:   Red Value in integer (0-255)
   - parameter green: Green Value in integer (0-255)
   - parameter blue:  Blue Value in integer (0-255)

   - returns: UIColor with specified RGB values
   */
    convenience init(red: Int, green: Int, blue: Int) {
      assert(red >= 0 && red <= 255, "Invalid red component")
      assert(green >= 0 && green <= 255, "Invalid green component")
      assert(blue >= 0 && blue <= 255, "Invalid blue component")
      self.init(red: CGFloat(red) / 255.0, green: CGFloat(green) / 255.0, blue: CGFloat(blue) / 255.0, alpha: 1.0)
    }
}

'scanLocation' was deprecated in iOS 13.0