Rounded ImgeView with nice borderline

RoundedView.swift

//
//  RoundedView.swift
//  RoundedImageView
//
//  Created by Ranjith Kumar on 12/5/17.
//  Copyright © 2017 Dash. All rights reserved.
//

import Foundation
import UIKit

//@note:Recommended Size: CGSize(width:70,height:70)
struct Attributes {
    let borderWidth:CGFloat = 3.0
    let borderColor:UIColor = UIColor.white
    let backgroundColor:UIColor = UIColor.red
    let size:CGSize = CGSize(width:68,height:68)
}

class RoundedView:UIView {
    private var attributes:Attributes?
    private lazy var imageView:UIImageView = {
        let iv = UIImageView()
        iv.layer.borderWidth = (attributes?.borderWidth)!
        iv.layer.borderColor = attributes?.borderColor.cgColor
        iv.clipsToBounds = true
        return iv
    }()
    init(frame: CGRect,attributes:Attributes) {
        self.attributes = attributes
        super.init(frame: frame)
        clipsToBounds = true
        backgroundColor = attributes.backgroundColor
        addSubview(imageView)
    }
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        clipsToBounds = true
        backgroundColor = attributes?.backgroundColor
        addSubview(imageView)
    }
    override func layoutSubviews() {
        super.layoutSubviews()
        layer.cornerRadius = frame.height/2
        imageView.frame = CGRect(x:1,y:1,width:(attributes?.size.width)!,height:(attributes?.size.height)!)
        imageView.layer.cornerRadius = imageView.frame.height/2
    }
}