which benefits LOOL since we can delay creating the image until
we know the dpi setting of the display we are going to write to.

Change-Id: I4c16fd221f7ec3693e37bacf3fdf7026a8c2e8bc
Reviewed-on: https://gerrit.libreoffice.org/66574
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>