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Change image zoom animation to take safe area into consideration when determining image origin. Issue #1425

This commit is contained in:
Maurice Parker 2019-12-09 14:29:17 -07:00
parent 5872893293
commit 9b3793968f
2 changed files with 3 additions and 15 deletions
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4
iOS/Article/ArticleViewController.swift
View File

@ -520,9 +520,9 @@ private extension ArticleViewController {
let base64Image = String(clickMessage.imageURL.suffix(from: range.upperBound))
if let imageData = Data(base64Encoded: base64Image), let image = UIImage(data: imageData) {
let rect = CGRect(x: CGFloat(clickMessage.x), y: CGFloat(clickMessage.y), width: CGFloat(clickMessage.width), height: CGFloat(clickMessage.height))
let y = CGFloat(clickMessage.y) + webView.safeAreaInsets.top
let rect = CGRect(x: CGFloat(clickMessage.x), y: y, width: CGFloat(clickMessage.width), height: CGFloat(clickMessage.height))
transition.originFrame = webView.convert(rect, to: nil)
transition.maskFrame = webView.convert(webView.frame, to: nil)
transition.originImage = image
coordinator.showFullScreenImage(image: image, transitioningDelegate: self)

14
iOS/Article/ImageTransition.swift
View File

@ -14,7 +14,6 @@ class ImageTransition: NSObject, UIViewControllerAnimatedTransitioning {
private let duration = 0.4
var presenting = true
var originFrame: CGRect!
var maskFrame: CGRect!
var originImage: UIImage!
init(controller: ArticleViewController) {
@ -68,22 +67,11 @@ class ImageTransition: NSObject, UIViewControllerAnimatedTransitioning {
imageView.frame = imageController.zoomedFrame
let fromView = transitionContext.view(forKey: .from)!
let windowFrame = fromView.window!.frame
fromView.removeFromSuperview()
let toView = transitionContext.view(forKey: .to)!
transitionContext.containerView.addSubview(toView)
let maskingView = UIView()
let fullMaskFrame = CGRect(x: windowFrame.minX, y: maskFrame.minY, width: windowFrame.width, height: maskFrame.height)
let path = UIBezierPath(rect: fullMaskFrame)
let maskLayer = CAShapeLayer()
maskLayer.path = path.cgPath
maskingView.layer.mask = maskLayer
maskingView.addSubview(imageView)
transitionContext.containerView.addSubview(maskingView)
transitionContext.containerView.addSubview(imageView)
UIView.animate(
withDuration: duration,