getInfo method
Read a snapshot without building or laying out the child.
Implementation
ChildInfo getInfo(CanvasChildId id) {
final child = _requireChild(id);
return ChildInfo(
id: id,
gsPosition: child.gsPosition,
ssPosition: gsToSs(child.gsPosition, _gsTopLeftOffset, _scale),
rotation: child.rotation,
childSize: child.lastRenderedSize,
child: child.widget,
);
}