因此,我將影像加載到一個名為“RemoteImage”的自定義結構中,該結構接受一個 URL 并將其加載到 SwiftUI Image() 中。出于某種原因,當我在 RemoteImage() 上有 .clipShape() 時,它會將形狀剪輯為一個圓形(雖然它的寬度/高度錯誤,但是當我將 .frame() 設定為所需的寬度/高度時,影像以正確的寬度/高度顯示,但不再是圓形。不知道如何修復:
RemoteImage(url: image)
.clipShape(Circle())
.frame(width: 82, height: 82)
struct RemoteImage: View {
private enum LoadState {
case loading, success, failure
}
private class Loader: ObservableObject {
var data = Data()
var state = LoadState.loading
init(url: String) {
guard let parsedURL = URL(string: url) else {
fatalError("Invalid URL: \(url)")
}
URLSession.shared.dataTask(with: parsedURL) { data, response, error in
if let data = data, data.count > 0 {
self.data = data
self.state = .success
} else {
self.state = .failure
}
DispatchQueue.main.async {
self.objectWillChange.send()
}
}.resume()
}
}
@StateObject private var loader: Loader
var loading: Image
var failure: Image
var body: some View {
selectImage()
.resizable()
}
init(url: String, loading: Image = Image(""), failure: Image = Image(systemName: "multiply.circle")) {
_loader = StateObject(wrappedValue: Loader(url: url))
self.loading = loading
self.failure = failure
}
private func selectImage() -> Image {
switch loader.state {
case .loading:
return loading
case .failure:
return failure
default:
if let image = UIImage(data: loader.data) {
return Image(uiImage: image)
} else {
return failure
}
}
}
}
uj5u.com熱心網友回復:
作業正常,Xcode 13.3 / iOS 15.4,但是 clipShape 最好在幀后應用。
讓我假設你只是想要縱橫比
var body: some View {
selectImage()
.resizable()
.aspectRatio(contentMode: .fit) // << here !!
}
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