Gifu/Demo/Source/UIImageViewExtension.swift

29 lines
679 B
Swift

import UIKit
import Gifu
extension UIImageView: GIFAnimatable {
private struct AssociatedKeys {
static var AnimatorKey = "gifu.animator.key"
}
override open func display(_ layer: CALayer) {
updateImageIfNeeded()
}
public var animator: Animator? {
get {
guard let animator = objc_getAssociatedObject(self, &AssociatedKeys.AnimatorKey) as? Animator else {
let animator = Animator(withDelegate: self)
self.animator = animator
return animator
}
return animator
}
set {
objc_setAssociatedObject(self, &AssociatedKeys.AnimatorKey, newValue as Animator?, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
}
}
}