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Re: screen-gamma not always effective?

From: Philip Rooke
Subject: Re: screen-gamma not always effective?
Date: Wed, 21 Feb 2007 21:24:32 +0000
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.93 (gnu/linux) 
Chong Yidong <address@hidden> writes:

> I checked in another fix.  Please try again.

That appears to work.  I've tested:

1. Setting the screen-gamma at startup using

   (setq initial-frame-alist '((screen-gamma . 1.0))) 
   (setq default-frame-alist '((screen-gamma . 1.0)))

   and then separately with an X resource like

   Emacs*ScreenGamma: 1.0

2. Changing the screen-gamma in a current session using

   (modify-frame-parameters nil '((screen-gamma . 1.0)))
   (modify-all-frames-parameters '((screen-gamma . 1.0)))

In these cases there is an appropriate colour correction across all
parts of the screen, including those parts not containing text.

Thanks very much for your help.

Phil
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