The call sites are actually passing in transparency, in fact to be
consistent with current conventions we are actually dealing with alpha
values. So we need to take the transparent values at the call sites and
convert to alpha values by just subtracting 255. Hence fixing the FIXME
comment.
Change-Id: Ibc55ea77f469ec8afcab0cc26d2b8cdf25ea8a72
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/173858
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
