Re: [Devel] On GRAYS_USE_GAMMA

[Billy Biggs]

  Is something wrong with the list that old posts are getting re-sent?

  -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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