     var prefix: String { get }
     var config: CreatorConfiguration { get }
     var extname: String { get }
+    var scale: CGFloat { get }
 
     func suffix(size: CGSize) -> String
     func data(image: UIImage) -> NSData

        let offsetY = size.height * config.fontOffsetScaleY

        let opaque = true
        let scale: CGFloat = 1.0
        UIGraphicsBeginImageContextWithOptions(size, opaque, scale)

        let context = UIGraphicsGetCurrentContext()!

    }
    var extname: String {
        return "png"
    }
    var scale: CGFloat {
        return 1.0
    }

    var lengths: [CGFloat] = [
