SwiftUIで画像をピンチで拡大する（PDFView）
SwiftUIで画像をピンチで拡大する（PDFView）方法です。
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import SwiftUI | |
| struct ContentView: View { | |
| var body: some View { | |
| ImageViewerView(image: UIImage(named: "icon")!) | |
| } | |
| } | |
| #Preview { | |
| ContentView() | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import SwiftUI | |
| import PDFKit | |
| struct ImageViewerView: UIViewRepresentable { | |
| let image: UIImage | |
| func makeUIView(context: Context) -> PDFView { | |
| let view = PDFView() | |
| view.document = PDFDocument() | |
| guard let page = PDFPage(image: image) else { return view } | |
| view.document?.insert(page, at: 0) | |
| view.autoScales = true | |
| return view | |
| } | |
| func updateUIView(_ uiView: PDFView, context: Context) {} | |
| } |