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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
39 lines
1.1 KiB
Swift
39 lines
1.1 KiB
Swift
//
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// ImageCellNode.swift
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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import UIKit
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import AsyncDisplayKit
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class ImageCellNode: ASCellNode {
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let imageNode = ASImageNode()
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required init(with image : UIImage) {
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super.init()
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imageNode.image = image
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self.addSubnode(self.imageNode)
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}
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override func layoutSpecThatFits(_ constrainedSize: ASSizeRange) -> ASLayoutSpec {
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var imageRatio: CGFloat = 0.5
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if imageNode.image != nil {
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imageRatio = (imageNode.image?.size.height)! / (imageNode.image?.size.width)!
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}
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let imagePlace = ASRatioLayoutSpec(ratio: imageRatio, child: imageNode)
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let stackLayout = ASStackLayoutSpec.horizontal()
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stackLayout.justifyContent = .start
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stackLayout.alignItems = .start
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stackLayout.style.flexShrink = 1.0
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stackLayout.children = [imagePlace]
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return ASInsetLayoutSpec(insets: UIEdgeInsets.zero, child: stackLayout)
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}
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}
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