updatePosition method

CanvasChildId updatePosition(
  1. CanvasChildId id,
  2. Offset newPosition
)

Update the position of a child by its ID.

Implementation

CanvasChildId updatePosition(CanvasChildId id, Offset newPosition) {
  if (_children.containsKey(id)) {
    _children[id]!.gsPosition = newPosition;
    markDirty();
    return id;
  } else {
    throw _ChildNotFoundException;
  }
}