RenderAligningShiftedBox constructor

RenderAligningShiftedBox({AlignmentGeometry alignment: Alignment.center, @required TextDirection textDirection, RenderBox child })

Initializes member variables for subclasses.

The alignment argument must not be null.

The textDirection must be non-null if the alignment is direction-sensitive.

Implementation 

RenderAligningShiftedBox({
  AlignmentGeometry alignment = Alignment.center,
  @required TextDirection textDirection,
  RenderBox child,
}) : assert(alignment != null),
     _alignment = alignment,
     _textDirection = textDirection,
     super(child);