Re: [Devel] On GRAYS_USE_GAMMA

[David Turner]

Billy Biggs wrote:
>   Is something wrong with the list that old posts are getting re-sent?
No, it's that some people who are not list subscribers try to reply
to messages (don't ask me how they receive the original e-mails).
Their answers are kept in the mailman queue until I find the time
to filter them, which can take weeks. In certain cases, posters who
do not see their messages on the list do subscribe and re-send the
messages, hence some dupes :-)

Hope this helps,

- David Turner
- The FreeType Project  (www.freetype.org)


>   -Billy
>
>
> Matthijs Melchior (address@hidden):
>
>
> > Hi Billy,
> >
> > Billy Biggs wrote:
> >
> >
> > > In the freetype source code I discovered GRAYS_USE_GAMMA, which uses a
> > > piecewise linear function to map coverage values onto a rough curve.
> > >
> > > While it's clear that this code is disabled and marked as
> > > experimental, I'd just like to make the request that it not ever be
> > > enabled, as I use those coverage values as alpha values, which are
> > > specified to be linear by everyone I can think of.  My application does
> > > its own gamma correct compositing, and I don't feel like ever rewriting
> > > it to do otherwise.
> > >
> > > Thanks,
> > > -Billy
> >
> > Well....., I have discovered this GRAYS_USE_GAMMA as well and I am
> > preparing a message to start discussing how to get this enabled in the
> > standard release.  Than a 2 segment linear aproximation to the
> > gamma = 2.4 curve is not good enough, and I will propose a a better
> > solution.
> >
> > Please join that discussion.
> >
> > --
> > Thanks,
> > ----------------------------------------------------------------  -o)
> > Matthijs Melchior                                       Maarssen  /\\
> > address@hidden                                  Netherlands _\_v
> > ---------------------------------------------------------------- ----
> >
> >
> >
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