Sets the current graphics state to the state most recently saved.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
The graphics context whose state you want to modify.
Core Graphics removes the graphics state at the top of the stack so that the most recently saved state becomes the current graphics state.
Saving and Restoring Graphics State
Pushes a copy of the current graphics state onto the graphics state stack for the context.
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