Returns a two-dimensional representation of the scroll offset, accounting for the scroll direction and scroll anchor.
See the definition of ScrollableState for more details.
Source
Offset scrollOffsetToPixelDelta(double scrollOffset) {
switch (config.scrollDirection) {
case Axis.horizontal:
return new Offset(scrollOffsetToPixelOffset(scrollOffset), 0.0);
case Axis.vertical:
return new Offset(0.0, scrollOffsetToPixelOffset(scrollOffset));
}
assert(config.scrollDirection != null);
return null;
}