SwiftUI Gesture Composition and Priority

import SwiftUI

struct ZoomableSurface: View {
    @State private var scale = 1.0
    @State private var offset: CGSize = .zero

    var body: some View {
        Image("map-preview")
            .resizable()
            .scaledToFit()
            .scaleEffect(scale)
            .offset(offset)
            .gesture(
                DragGesture().onChanged { offset = $0.translation }
                    .simultaneously(with: MagnificationGesture().onChanged { scale = $0 })
            )
    }
}