Case

PreviewLayout.fixed(width:height:)

Center the preview in a fixed size container with the given dimensions.

Declaration 宣言 

case fixed(width: CGFloat, height: CGFloat)

Parameters パラメータ

width

The width of the container.

height

The height of the container.

See Also 参照

Getting a Layout

case device
Center the preview in a container the size of the device on which the preview is running. プレビューを、それの上でプレビューが動作しているデバイスの大きさのコンテナの中心に置きます。
case sizeThatFits
Fit the container to the size of the preview when offered the size of the device that the preview is running on.