Gets the layout currently being rendered using @renderer. Calling this function only makes sense from inside a subclass's methods, like in its draw_shape<!---->() for example.
The returned layout should not be modified while still being rendered.
the layout, or %NULL if no layout is being rendered using @renderer at this time.
1.20
See Implementation
Gets the layout currently being rendered using @renderer. Calling this function only makes sense from inside a subclass's methods, like in its draw_shape<!---->() for example.
The returned layout should not be modified while still being rendered.