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+//
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+// SwiftUIViewController.swift
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+// Kingfisher
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+//
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+// Created by yeatse on 2024/1/8.
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+//
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+// Copyright (c) 2024 Wei Wang <onevcat@gmail.com>
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+//
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+// Permission is hereby granted, free of charge, to any person obtaining a copy
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+// of this software and associated documentation files (the "Software"), to deal
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+// in the Software without restriction, including without limitation the rights
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+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+// copies of the Software, and to permit persons to whom the Software is
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+// furnished to do so, subject to the following conditions:
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+//
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+// The above copyright notice and this permission notice shall be included in
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+// all copies or substantial portions of the Software.
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+//
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+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+// THE SOFTWARE.
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+
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+import SwiftUI
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+import Kingfisher
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+
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+@available(macOS 11, *)
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+class SwiftUIViewController: NSHostingController<MainView> {
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+ required init?(coder: NSCoder) {
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+ super.init(coder: coder, rootView: MainView())
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+ }
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+}
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+
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+@available(macOS 11, *)
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+struct MainView: View {
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+ @State private var index = 1
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+
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+ static let gifImageURLs: [URL] = {
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+ let prefix = "https://raw.githubusercontent.com/onevcat/Kingfisher-TestImages/master/DemoAppImage/GIF"
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+ return (1...3).map { URL(string: "\(prefix)/\($0).gif")! }
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+ }()
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+
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+ var url: URL {
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+ MainView.gifImageURLs[index - 1]
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+ }
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+
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+ var body: some View {
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+ VStack {
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+ KFAnimatedImage(url)
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+ .configure { view in
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+ view.framePreloadCount = 3
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+ }
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+ .cacheOriginalImage()
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+ .onSuccess { r in
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+ print("suc: \(r)")
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+ }
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+ .onFailure { e in
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+ print("err: \(e)")
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+ }
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+ .placeholder { p in
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+ ProgressView(p)
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+ }
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+ .fade(duration: 1)
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+ .forceTransition()
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+ .aspectRatio(contentMode: .fill)
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+ .frame(width: 300, height: 300)
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+ .cornerRadius(20)
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+ .shadow(radius: 5)
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+ .frame(width: 320, height: 320)
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+
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+ Button(action: {
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+ self.index = (self.index % 3) + 1
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+ }) { Text("Next Image") }
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+ }
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+ }
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+}
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Yang Chao