CircleImageView

CircleImageView.swift

import UIKit
class CircleImageView: UIImageView {
    
    var borderWidth:CGFloat=6.0{
        didSet{
            updateBorderStyle()
        }
    }
    
    var borderColor:UIColor=UIColor(white: 160, alpha: 0.5){
        didSet{
            updateBorderStyle()
        }
    }
    
    override init(image: UIImage!) {
        super.init(image: image)
        commonInit()
    }

    override init(image: UIImage!, highlightedImage: UIImage?) {
        super.init(image: image, highlightedImage: highlightedImage)
        commonInit()
    }
    
    override init() {
        super.init()
        commonInit()
    }
    
    func commonInit(){
        println("commonInit")
        layer.cornerRadius = frame.size.width * 0.5
        clipsToBounds = true
        updateBorderStyle()
    }
    
    func updateBorderStyle(){
        layer.borderWidth = borderWidth
        layer.borderColor = borderColor.CGColor
    }
    
    required init(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        commonInit()
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        commonInit()
    }
}