Offset scrollOffsetToPixelDelta(double scrollOffset)

Returns a two-dimensional representation of the scroll offset, accounting for the scroll direction and scroll anchor.

Source

Offset scrollOffsetToPixelDelta(double scrollOffset) {
  switch (renderObject.mainAxis) {
    case Axis.horizontal:
      return new Offset(scrollOffsetToPixelOffset(scrollOffset), 0.0);
    case Axis.vertical:
      return new Offset(0.0, scrollOffsetToPixelOffset(scrollOffset));
  }
  assert(renderObject.mainAxis != null);
  return null;
}