Rendering polylines, polygons, polypolygons which take an array
as parameter ("legacy" code) can re-use the other, already
existing code paths (same thing as "headless" svp backend does).

Change-Id: Ie45812d7fce6bc70484e9f0c05cc81e995800bcb
Reviewed-on: https://gerrit.libreoffice.org/25156Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>