Gifu/gifu/UIImageView+Gifu.swift

58 lines
1.2 KiB
Swift
Executable File

import UIKit
public extension UIImageView {
// MARK: - Computed Properties
var animatableImage: AnimatedImage? {
if image is AnimatedImage {
return image as? AnimatedImage
} else {
return nil
}
}
var isAnimatingGIF: Bool {
return animatableImage?.isAnimating() ?? isAnimating()
}
var animatable: Bool {
return animatableImage != nil
}
// MARK: - Method Overrides
override public func displayLayer(layer: CALayer!) {
if let image = animatableImage {
if let frame = image.currentFrame {
layer.contents = frame.CGImage
}
}
}
// MARK: - Setter Methods
func setAnimatableImage(named name: String) {
image = AnimatedImage.imageWithName(name, delegate: self)
layer.setNeedsDisplay()
}
func setAnimatableImage(#data: NSData) {
image = AnimatedImage.imageWithData(data, delegate: self)
layer.setNeedsDisplay()
}
// MARK: - Animation
func startAnimatingGIF() {
if animatable {
animatableImage!.resumeAnimation()
} else {
startAnimating()
}
}
func stopAnimatingGIF() {
if animatable {
animatableImage!.pauseAnimation()
} else {
stopAnimating()
}
}
}