swift 点击图片预览，有放大缩小动画

最新推荐文章于 2023-03-22 09:36:52 发布

may_he

最新推荐文章于 2023-03-22 09:36:52 发布

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分类专栏： IOS 开发

本文链接：https://blog.youkuaiyun.com/may_he/article/details/82856890

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本文介绍了如何在Swift中实现图片点击后弹出预览窗口，并且包含平滑的放大和缩小动画效果，为用户提供更好的视觉体验。

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//Cell的点击事件
let rect = targetCell.convert(targetCell.chatImageView.frame, to: self.listTableView)
let rect2 = self.listTableView.convert(rect, to: self.view)
                
//获取状态栏的rect
let statusRect = UIApplication.shared.statusBarFrame
//获取导航栏的rect
let navRect = self.navigationController?.navigationBar.frame
let navBarHeight = statusRect.height + (navRect?.height)!
                
let tapFrame = CGRect.init(x: rect2.origin.x, y: rect2.origin.y + navBarHeight, width: rect2.width, height: rect2.height)
let image = targetCell.chatImageView.image
showZoomImageView(image, tapFrame:tapFrame)

//图片缩放动画
func showZoomImageView(image:UIImage, tapFrame:CGRect) {
        let bgView = UIScrollView.init(frame: UIScreen.main.bounds)
        bgView.backgroundColor = UIColor.clear
        let tapBg = UITapGestureRecognizer.init(target: self, action: #selector(tapBgView(tapBgRecognizer:)))
        bgView.addGestureRecognizer(ta

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