Gets the layout line 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 line should not be modified while still being
rendered.
Gets the layout line 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 line should not be modified while still being rendered.