Use computed variables when possible

This commit is contained in:
Reda Lemeden 2016-10-06 22:49:31 +02:00
parent d3bc2e0c27
commit 22397e9474
2 changed files with 33 additions and 26 deletions

View File

@ -51,7 +51,6 @@ public class Animator {
}
}
/// Prepares the animator instance for animation.
///
/// - parameter imageName: The file name of the GIF in the main bundle.
@ -116,8 +115,8 @@ public class Animator {
/// - parameter imageData: GIF image data.
/// - parameter size: The target size of the individual frames.
/// - parameter contentMode: The view content mode to use for the individual frames.
func animate(withGIFData data: Data, size: CGSize, contentMode: UIViewContentMode) {
prepareForAnimation(withGIFData: data, size: size, contentMode: contentMode)
func animate(withGIFData imageData: Data, size: CGSize, contentMode: UIViewContentMode) {
prepareForAnimation(withGIFData: imageData, size: size, contentMode: contentMode)
startAnimating()
}

View File

@ -23,6 +23,21 @@ extension GIFAnimatable {
return image?.size ?? CGSize.zero
}
/// Returns the active frame if available.
public var activeFrame: UIImage? {
return animator?.activeFrame()
}
/// Total frame count of the GIF.
public var frameCount: Int {
return animator?.frameCount ?? 0
}
/// Introspect whether the instance is animating.
public var isAnimatingGIF: Bool {
return animator?.isAnimating ?? false
}
/// Prepare for animation and start animating immediately.
///
/// - parameter imageName: The file name of the GIF in the main bundle.
@ -30,9 +45,11 @@ extension GIFAnimatable {
animator?.animate(withGIFNamed: imageName, size: frame.size, contentMode: contentMode)
}
/// Introspect whether the instance is animating.
public var isAnimatingGIF: Bool {
return animator?.isAnimating ?? false
/// Prepare for animation and start animating immediately.
///
/// - parameter imageData: GIF image data.
public func animate(withGIFData imageData: Data) {
animator?.animate(withGIFData: imageData, size: frame.size, contentMode: contentMode)
}
/// Prepares the animator instance for animation.
@ -50,10 +67,6 @@ extension GIFAnimatable {
animator?.prepareForAnimation(withGIFData: imageData, size: frame.size, contentMode: contentMode)
}
/// Total frame count of the GIF.
public var frameCount: Int {
return animator?.frameCount ?? 0
}
/// Stop animating and free up GIF data from memory.
public func prepareForReuse() {
@ -74,16 +87,11 @@ extension GIFAnimatable {
public func updateImageIfNeeded() {
image = animator?.activeFrame() ?? image
}
/// Returns the active frame if available.
public func activeFrame() -> UIImage? {
return animator?.activeFrame()
}
}
extension GIFAnimatable {
/// Calls setNeedsDisplay on the layer whenever the animator has a new frame. Should *not* be called directly.
public func animatorHasNewFrame() {
func animatorHasNewFrame() {
layer.setNeedsDisplay()
}
}