private static State <FilterChainState, IEnumerable <XElement> > BuildOffsetFilter(OffsetFilter offsetFilter, CoordinatesConverter converter)
{
var svgVector = converter.ToSvgVector(offsetFilter.Vector);
var core =
XElementBuilder.WithName("feOffset")
.Add(
new XAttribute("dx", svgVector.Dx),
new XAttribute("dy", svgVector.Dy)
);
return(BuildIOFilter(core).Select(x => x.Build()).Select(x => new[] { x }.AsEnumerable()));
}
