RenderPositionedBox({RenderBox child, double widthFactor, double heightFactor, FractionalOffset alignment: FractionalOffset.center })

Creates a render object that positions its child.

Source

RenderPositionedBox({
  RenderBox child,
  double widthFactor,
  double heightFactor,
  FractionalOffset alignment: FractionalOffset.center
}) : _widthFactor = widthFactor,
     _heightFactor = heightFactor,
     super(child: child, alignment: alignment) {
  assert(widthFactor == null || widthFactor >= 0.0);
  assert(heightFactor == null || heightFactor >= 0.0);
}