Validate one entry into a drawing with no id. Returns null for anything that
cannot be rendered: an unknown tool would throw inside the controller, and a
NaN anchor produces a drawing that can never be drawn or hit-tested again.
Accepts the 1.9.x shape too, lifting its text fields into text.
Validate one entry into a drawing with no id. Returns null for anything that cannot be rendered: an unknown tool would throw inside the controller, and a NaN anchor produces a drawing that can never be drawn or hit-tested again. Accepts the 1.9.x shape too, lifting its text fields into
text.