Re: Can we use FRAME_RIF to return a Lisp_Object result?

[Eli Zaretskii]

> Date: Tue, 31 Oct 2017 12:59:02 -0700
> From: Keith David Bershatsky <address@hidden>
> Cc: address@hidden
> 
> Prior to just a few minutes ago when I read your comments, I had been unaware 
> that it was possible to obtain the RGB for the default foreground/background 
> (which might be remapped on a buffer local basis) from within xdisp.c absent 
> using platform-dependent functions.  That misunderstanding was based (in 
> large part) upon a layman's reading of the code looking for keywords such as 
> "red", "green", "blue", and "RGB".  Because I found keywords of that nature 
> in the platform-dependent areas of the code (nsterm.m, w32term.c, and 
> xterm.c), I made the erroneous assumption mentioned above.

If you want to understand how face colors are being managed and
manipulated in Emacs, you should read xfaces.c, not the other source
files.