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Fix issue where inverted mask layer was clipped incorrectly (airbnb#1763
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Sources/Private/CoreAnimation/Layers/InfiniteOpaqueAnimationLayer.swift
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| // Created by Cal Stephens on 10/10/22. | ||
| // Copyright © 2022 Airbnb Inc. All rights reserved. | ||
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| import QuartzCore | ||
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| // MARK: - ExpandedAnimationLayer | ||
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| /// A `BaseAnimationLayer` subclass that renders its background color | ||
| /// as if the layer is infinitely large, without affecting its bounds | ||
| /// or the bounds of its sublayers | ||
| final class InfiniteOpaqueAnimationLayer: BaseAnimationLayer { | ||
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| // MARK: Lifecycle | ||
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| override init() { | ||
| super.init() | ||
| addSublayer(additionalPaddingLayer) | ||
| } | ||
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| required init?(coder _: NSCoder) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
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| /// Called by CoreAnimation to create a shadow copy of this layer | ||
| /// More details: https://developer.apple.com/documentation/quartzcore/calayer/1410842-init | ||
| override init(layer: Any) { | ||
| super.init(layer: layer) | ||
| } | ||
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| // MARK: Internal | ||
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| override func layoutSublayers() { | ||
| super.layoutSublayers() | ||
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| masksToBounds = false | ||
| additionalPaddingLayer.backgroundColor = backgroundColor | ||
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| // Scale `additionalPaddingLayer` to be larger than this layer | ||
| // by `additionalPadding` at each size, and centered at the center | ||
| // of this layer. Since `additionalPadding` is very large, this has | ||
| // the affect of making `additionalPaddingLayer` appear infinite. | ||
| let scaleRatioX = (bounds.width + (CALayer.veryLargeLayerPadding * 2)) / bounds.width | ||
| let scaleRatioY = (bounds.height + (CALayer.veryLargeLayerPadding * 2)) / bounds.height | ||
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| additionalPaddingLayer.transform = CATransform3DScale( | ||
| CATransform3DMakeTranslation(-CALayer.veryLargeLayerPadding, -CALayer.veryLargeLayerPadding, 0), | ||
| scaleRatioX, | ||
| scaleRatioY, | ||
| 1) | ||
| } | ||
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| // MARK: Private | ||
|
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| private let additionalPaddingLayer = CALayer() | ||
|
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| } |
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| {"v":"5.8.1","fr":30,"ip":35,"op":42,"w":72,"h":72,"nm":"WEB MOBILE LOTTIE FILE 1_72px centered","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":5,"ty":4,"nm":"Front-Thumb 3","sr":1,"ks":{"o":{"a":1,"k":[{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":5,"s":[0]},{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":7,"s":[100]},{"i":{"x":[0.833],"y":[0.833]},"o":{"x":[0.167],"y":[0.167]},"t":37,"s":[100]},{"t":39,"s":[0]}],"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"s":true,"x":{"a":1,"k":[{"i":{"x":[0],"y":[0.772]},"o":{"x":[0.377],"y":[-1.852]},"t":0,"s":[31.489]},{"i":{"x":[0.599],"y":[1.406]},"o":{"x":[1],"y":[0.334]},"t":20,"s":[29.086]},{"t":34,"s":[31.489]}],"ix":3},"y":{"a":1,"k":[{"i":{"x":[0.008],"y":[0.791]},"o":{"x":[0.403],"y":[-1.827]},"t":0,"s":[37.263]},{"i":{"x":[0.6],"y":[1.496]},"o":{"x":[1],"y":[0.399]},"t":20,"s":[25.376]},{"t":34,"s":[37.263]}],"ix":4}},"a":{"a":0,"k":[0,0,0],"ix":1,"l":2},"s":{"a":1,"k":[{"i":{"x":[0.1,0.1,0.1],"y":[1,1,1]},"o":{"x":[0.5,0.5,0.5],"y":[0,0,0]},"t":36,"s":[100,100,100]},{"t":42,"s":[60,60,100]}],"ix":6,"l":2}},"ao":0,"shapes":[{"ty":"gr","it":[{"ind":0,"ty":"sh","ix":1,"ks":{"a":0,"k":{"i":[[-0.179,-1.431],[0,0],[0.095,-0.572],[0,0],[0,0],[0,-0.828],[0.404,-0.269],[0,0],[0,-0.828],[0.691,-0.134],[0,-0.54],[0.828,0],[0,0],[0,-0.384],[0.828,0],[0,0],[1.147,0.655],[0,0],[1.19,0],[0,0.378],[0,0],[-0.429,0.123],[0,0],[-0.262,0.42],[0,0],[0,0.187],[0,0],[-0.263,0]],"o":[[0,0],[0.072,0.576],[0,0],[0,0],[0.828,0],[0,0.522],[0,0],[0.828,0],[0,0.73],[0.428,0.264],[0,0.828],[0,0],[0.238,0.265],[0,0.828],[0,0],[-1.321,0],[0,0],[-1.033,-0.59],[-0.378,0],[0,0],[0,-0.446],[0,0],[0.476,-0.136],[0,0],[0.099,-0.159],[0,0],[0,-0.263],[1.442,0]],"v":[[1.313,-6.496],[1.392,-5.868],[1.356,-4.137],[1,-2],[5.5,-2],[7,-0.5],[6.329,0.75],[6.5,0.75],[8,2.25],[6.787,3.723],[7.5,5],[6,6.5],[5.618,6.5],[6,7.5],[4.5,9],[0.016,9],[-3.75,8],[-3.923,7.901],[-7.316,7],[-8,6.316],[-8,0.754],[-7.275,-0.207],[-5.239,-0.789],[-4.093,-1.652],[-2.152,-4.757],[-2,-5.287],[-2,-8.524],[-1.524,-9]],"c":true},"ix":2},"nm":"Path 1","mn":"ADBE Vector Shape - 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Tests/__Snapshots__/AutomaticEngineTests/testAutomaticEngineDetection.Issues-pr_1763.txt
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| Supports Core Animation engine |
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