The commands as createjs's command objects (made when first read)
The drawing as a Pixi geometry, drawn the first time it is asked for and shared from then on by every shape that shows this drawing (a shape's Pixi node must therefore not be drawn into: that would change it for all)
The MoveTo commands that start holes in the filled paths (worked out once per drawing and shared by every shape that shows it)
The drawing as a mask (its path filled), shared the same way
The holes of the drawing as a mask (all of it one path)
createjs-compatible Graphics holding the drawing commands of a definition.