Performs drawing actions on a Core Graphics context prepared by the renderer.
- iOS 10.0+
- Mac Catalyst 13.0+
- tvOS 10.0+
UIGraphicsblock that represents a set of drawing instructions that the renderer applies to the Core Graphics context.
UIGraphicsblock that the renderer calls after executing the
A pointer to an
NSErrorobject that is populated if there is a problem performing the drawing actions.
No return value in Swift.
This method invokes the
drawing block in a Core Graphics context. This context was created by the
context(with:) method, captured in an instance of the class returned by the
renderer method, and prepared by the