SwiftUI 的更佳图片游乐场

// Default Image Playground sheet:
Button(action: { self.showDefaultImagePlayground.toggle() }) {
    Label("Default Image Playground", systemImage: "apple.image.playground")
}
.imagePlaygroundSheet(isPresented: self.$showDefaultImagePlayground) { url in
    // ...
}

// Better Image Playground sheet:
Button(action: { self.showBetterImagePlayground.toggle() }) {
    Label("Better Image Playground", systemImage: "wand.and.sparkles")
}
.betterImagePlaygroundSheet(isPresented: self.$showBetterImagePlayground) { url in
    // ...
}