No way to construct qml Path from QPainterPath

QQuickPathElements appear to construct a QPainterPath internally. I can construct my own QPainterPath in C++ and expose it as a property, but there doesn't appear to be any way to construct a qml PathElement using my QPainterPath.

As far as I can tell, there isn't currently any sane way to take a model containing a list of 2D points and construct a QtQuick Shape to render a path through them.