var rendersAsynchronously : BoolA Boolean that indicates whether the canvas can present its contents to its parent view asynchronously.
The graphics context to draw into.
Instance Property
インスタンスプロパティ
renderer
The drawing callback that you use to draw into the canvas.
Availability 有効性
- iOS 15.0+
- iPadOS 15.0+
- macOS 12.0+
- Mac Catalyst 15.0+
- tvOS 15.0+
- watchOS 8.0+
Technology
- Swift
UI
Declaration 宣言
var renderer: (inout GraphicsContext , CGSize) -> VoidParameters パラメータ
contextsizeThe current size of the view.