AppleLogo.swift

import SwiftUI
import class UIKit.UIImage

struct AppleLogo: View {
    private let colors: [Color] = [
        .green,
        .green,
        .green,
        .yellow,
        .orange,
        .red,
        .purple,
        .blue
    ]

    private let ratio: CGFloat = {
        let image = UIImage(systemName: "applelogo")!
        return image.size.width/image.size.height
    }()

    var body: some View {
        Canvas { context, size in
            let edge = min(size.width, size.height)

            context.clipToLayer { context in
                var rect = CGRect(x: 0, y: 0, width: edge, height: edge)
                rect.origin.x = (1-ratio) * rect.size.width / 2
                rect.size.width = ratio * rect.size.width
                context.draw(Image(systemName: "applelogo"), in: rect)
            }
            var rect = CGRect(
                x: 0, y: 0, width: edge, height: edge/CGFloat(colors.count)
            )
            for (offset, color) in colors.enumerated() {
                rect.origin.y = CGFloat(offset) * rect.size.height
                context.fill(Path(rect), with: .color(color))
            }
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        AppleLogo()
            .frame(width: 300, height: 300)
    }
}