Generic Instance Method

mask(_:)

Masks this view using the alpha channel of the given view.

Declaration

func mask<Mask>(_ mask: Mask) -> some View where Mask : View

Parameters

mask

The view whose alpha the rendering system applies to the specified view.

Discussion

Use mask(_:) when you want to apply the alpha (opacity) value of another view to the current view.

This example shows an image masked by rectangle with a 10% opacity:

Image(systemName: "envelope.badge.fill")
    .foregroundColor(Color.blue)
    .font(.system(size: 128, weight: .regular))
    .mask(Rectangle().opacity(0.1))
A screenshot of a view masked by a rectangle with 10% opacity.

See Also

Masking and Clipping Views

func clipped(antialiased: Bool) -> View

Clips this view to its bounding rectangular frame.

func clipShape<S>(S, style: FillStyle) -> View

Sets a clipping shape for this view.

func cornerRadius(CGFloat, antialiased: Bool) -> View

Clips this view to its bounding frame, with the specified corner radius.