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Re: color-complement for defface

From: Ted Zlatanov
Subject: Re: color-complement for defface
Date: Mon, 14 Feb 2011 12:11:37 -0600
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/24.0.50 (gnu/linux)

On Fri, 04 Feb 2011 11:57:30 -0600 Ted Zlatanov <address@hidden> wrote: 

TZ> On Fri, 04 Feb 2011 11:26:49 +0100 Julien Danjou <address@hidden> wrote: 
JD> On Thu, Feb 03 2011, Drew Adams wrote:
>>> FWIW, for this I simply use the complements of the light-background default
>>> colors as the dark-background colors.  That is not necessarily ideal, but 
>>> it at
>>> least is reasonable and consistent.  It is also very quick to do, given some
>>> code (e.g. hexrgb.el or palette.el) that quickly gives you color 
>>> complements.

JD> color.el included in Emacs 24 as `color-complement' so you can even use
JD> it in your defface directly, I think.

TZ> It would be nice if an example of that usage was part of the manual.
TZ> Even better would be if defining a face could automatically use the
TZ> complement (e.g. by setting the background to 'complement).

TZ> Julien, do you want to propose a patch to the manual?

I'll take an example, at least, and write the rest.

TZ> Does anyone have comments on a defface modification to let
TZ> color-complement pick the background automatically if requested?  I
TZ> don't know how hard that would be to write, but I want to know if it's
TZ> even acceptable.

Second try.  I still think this is a worthy improvement to Emacs.


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