to attempt to make it obvious in code what kind of coordinate
system we are dealing with.
The idea is that by doing this, the compile-time type checking
will flush out inconsistencies between different code.
I started with vcl::Window::OutputToAbsoluteScreenPixel
and worked outwards from there.
Change-Id: Ia967d7a0bb38886695f3a761b85c8b9340ddb1c0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/154676
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
b6b26421a1