heresamit/AImage

A animated gif & apng engine for iOS in Swift. Have a great performance on memory and cpu usage.

Features

• Small but complete, only200lines of code.
• Allow to control display quality, memory usage, loop time and display progress.
• Have a great performance on memory and cpu usage.
• Using asynchronous image decoding to reduce the main thread CPU usage.

Usage

/* Create AImage with URL */
let image = AImage(url: Bundle.main.url(forResource: "test", withExtension: "gif")!)

/* Create AImageView */
let imageview = AImageView(frame:CGRect(x: 0.0, y: 50.0, width: 380.0, height: 212.0))

/* Add AImage to AImageView */
imageview.add(image: image!)

/* Start displaying animated image */
imageview.play = true

...
...

/* Stop displaying animated image */
imageview.play = false

Benchmark

Compared with Gifu and Apple's example code.

Test1: Display view.gif

Library	CPU	Memory
Apple's Example Code
Gifu
AImage

Test2: Display earth.gif

Library	CPU	Memory
Apple's Example Code
Gifu
AImage

Measurement Factors:

• Measurement time: August 24, 2017

• Measurement device: iPhone6, iOS 11.0(15A5362a)

Principles

• Here

Old Version

Version of swift 2.3 can be found in here.

Licence

AImage is released under the MIT license. See LICENSE for details.