WTUIKitSwiftDemo

let iv = WTImageZoomViewSwift(frame: CGRect(x: 0, y: 64, width: 200, height: 200))
        self.view.addSubview(iv)
        iv.load(image: #imageLiteral(resourceName: "wallpaperDefault2.png"))
        iv.imageZoomViewClosureSingleTap = {
            print("imageZoomViewClosureSingleTap")
        }
        iv.imageZoomViewClosureDoubleTap = {
            print("imageZoomViewClosureDoubleTap")
        }
        iv.imageZoomViewClosureLongTap = {
            print("imageZoomViewClosureLongTap")
        }