Creates the path for the overlay.
- iOS 4.0–7.0Deprecated
- Mac Catalyst 13.0–13.0Deprecated
The default implementation of this method does nothing. Subclasses should override it and use it to create the
CGPathRef data type to be used for drawing. After creating the path, your implementation should then assign it to the
Creating and Managing the Path
The current path to use when drawing the overlay.