如何在SwiftUI中更改pdf图标的颜色

Image("pdf_icon")
    .renderingMode(.original)

Image("pdf_icon")
    .renderingMode(.original)
    .foregroundColor(.red)

@State private var iconColor: Color = .red

var body: some View {
    Image("pdf_icon")
        .renderingMode(.original)
        .foregroundColor(iconColor)
        .onTapGesture {
            if iconColor == .red {
                iconColor = .blue
            } else {
                iconColor = .red
            }
        }
}