The radius to use when drawing rounded corners for the layer’s background. Animatable.
- iOS 3.0+
- macOS 10.5+
- Mac Catalyst 13.0+
- tvOS 9.0+
Setting the radius to a value greater than
0.0 causes the layer to begin drawing rounded corners on its background. By default, the corner radius does not apply to the image in the layer’s
contents property; it applies only to the background color and border of the layer. However, setting the
masksToBounds property to
YES causes the content to be clipped to the rounded corners.
The default value of this property is
Modifying the Layer’s Appearance
A constant that specifies how the layer's contents are positioned or scaled within its bounds.
Contents Gravity Values
The contents gravity constants specify the position of the content object when the layer bounds is larger than the bounds of the content object. They are used by the
The opacity of the receiver. Animatable.
A Boolean indicating whether the layer is displayed. Animatable.
A Boolean indicating whether sublayers are clipped to the layer’s bounds. Animatable.
An optional layer whose alpha channel is used to mask the layer’s content.
A Boolean indicating whether the layer displays its content when facing away from the viewer. Animatable.
The width of the layer’s border. Animatable.
The color of the layer’s border. Animatable.
The blur radius (in points) used to render the layer’s shadow. Animatable.
The offset (in points) of the layer’s shadow. Animatable.
The color of the layer’s shadow. Animatable.
The shape of the layer’s shadow. Animatable.
An optional dictionary used to store property values that aren't explicitly defined by the layer.
A Boolean indicating whether the layer is allowed to composite itself as a group separate from its parent.