adapted basegfx to be smarter in some areas
(cherry picked from commit 888e64505474808166c29ada24178cc3e58d6c18)
Conflicts:
basegfx/inc/basegfx/pixel/bpixel.hxx
basegfx/inc/basegfx/point/b2dhompoint.hxx
basegfx/inc/basegfx/point/b3dhompoint.hxx
basegfx/inc/basegfx/raster/rasterconvert3d.hxx
basegfx/inc/basegfx/tuple/b2dtuple.hxx
basegfx/inc/basegfx/tuple/b2i64tuple.hxx
basegfx/inc/basegfx/tuple/b2ituple.hxx
basegfx/inc/basegfx/tuple/b3dtuple.hxx
basegfx/inc/basegfx/tuple/b3i64tuple.hxx
basegfx/inc/basegfx/tuple/b3ituple.hxx
basegfx/source/point/b2dhompoint.cxx
basegfx/source/tuple/b2ituple.cxx
Change-Id: Id92864093dd40d34bd20b130cc3b405a7b8f9d91
see https://gerrit.libreoffice.org/#/c/3367/
and Change-Id: I00c96fa77d04b33a6f8c8cd3490dfcd9bdc9e84a for details
Change-Id: I199a75bc4042af20817265d5ef85b1134a96ff5a