CGImageSource An extension of CGImageSourceRef that adds GIF introspection and easier property retrieval. isAnimatedGIF Returns whether the image source contains an animated GIF. properties(at:) Returns the GIF properties at a specific index. © 2021 LiveLike Inc.. All rights reserved. (Last updated: 2021-02-18) Generated by jazzy ♪♫ v0.9.6, a Realm project.