UIImage+Extension.swift

import UIKit

extension UIImage {
    
    convenience init(color: UIColor, size: CGSize = CGSize(width: 10, height: 10)) {
        let rect = CGRect(x: 0, y: 0, width: size.width, height: size.height)
        UIGraphicsBeginImageContextWithOptions(rect.size, false, 0)
        let context = UIGraphicsGetCurrentContext()!
        
        context.setFillColor(color.cgColor)
        context.fill(rect)
        self.init(cgImage: UIGraphicsGetImageFromCurrentImageContext()!.cgImage!)
        UIGraphicsEndImageContext()
    }
    
    var highestQualityJPEGNSData: NSData! { return UIImageJPEGRepresentation(self, 1.0)! as NSData  }
    var highQualityJPEGNSData: NSData!    { return UIImageJPEGRepresentation(self, 0.75)! as NSData }
    var mediumQualityJPEGNSData: NSData!  { return UIImageJPEGRepresentation(self, 0.5)! as NSData  }
    var lowQualityJPEGNSData: NSData!     { return UIImageJPEGRepresentation(self, 0.25)! as NSData }
    var lowestQualityJPEGNSData: NSData!  { return UIImageJPEGRepresentation(self, 0.0)! as NSData  }
    
}