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Composers

Composers wrap shapes and configure how they register. They render nothing.

PropType
outline{ thickness, color, opacity?, merge? }
glow{ intensity, color, radius? }

Applied per shape. merge defaults to true.

PropTypeNotes
aanumber0–1 silhouette antialias width. 0 is a hard edge and cheapest. Quantised to 6 bits.
outline{ … }Per wrapper, not per shape
glow{ … }Per wrapper, not per shape

outline and glow on <Fast> live in a single global config. Two <Fast> wrappers with effects share one setting and the last mounted wins.

Shapes inside <Fast> have their own outline and glow discarded.

PropTypeNotes
trackref or getterElement to watch. Omit and it renders its own.
class style idInline mode only, ignored when track is given
PropTypeNotes
dragbooleanThe only gesture wired today

Removed from the build entirely when no <Rig> appears in your source.