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// MIT License | |
// | |
// Copyright (c) 2017 Dariusz Rybicki Darrarski | |
// | |
// Permission is hereby granted, free of charge, to any person obtaining a copy | |
// of this software and associated documentation files (the "Software"), to deal | |
// in the Software without restriction, including without limitation the rights | |
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
// copies of the Software, and to permit persons to whom the Software is | |
// furnished to do so, subject to the following conditions: |
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func pauseAnimation(){ | |
var pausedTime = layer.convertTime(CACurrentMediaTime(), fromLayer: nil) | |
layer.speed = 0.0 | |
layer.timeOffset = pausedTime | |
} | |
func resumeAnimation(){ | |
var pausedTime = layer.timeOffset | |
layer.speed = 1.0 | |
layer.timeOffset = 0.0 |
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func createGIF(with images: [UIImage], loopCount: Int = 0, frameDelay: Double, callback: (data: NSData?, error: NSError?) -> ()) { | |
let fileProperties = [kCGImagePropertyGIFDictionary as String: [kCGImagePropertyGIFLoopCount as String: loopCount]] | |
let frameProperties = [kCGImagePropertyGIFDictionary as String: [kCGImagePropertyGIFDelayTime as String: frameDelay]] | |
let documentsDirectory = NSTemporaryDirectory() | |
let url = NSURL(fileURLWithPath: documentsDirectory)?.URLByAppendingPathComponent("animated.gif") | |
if let url = url { | |
let destination = CGImageDestinationCreateWithURL(url, kUTTypeGIF, UInt(images.count), nil) | |
CGImageDestinationSetProperties(destination, fileProperties) |