From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Using variables instead of hex values Date: Tue, 9 Nov 2021 12:46:17 +0300 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6560"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0.7+183 (3d24855) (2021-05-28) To: irenezerafa , Help Gnu Emacs Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 09 10:49:38 2021 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mkNl3-0001U0-SS for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 09 Nov 2021 10:49:37 +0100 Original-Received: from localhost ([::1]:37056 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkNl2-0001LG-MT for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 09 Nov 2021 04:49:36 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:48496) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkNkX-0001J3-1F for help-gnu-emacs@gnu.org; Tue, 09 Nov 2021 04:49:05 -0500 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:47963) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkNkV-0004a5-BI for help-gnu-emacs@gnu.org; Tue, 09 Nov 2021 04:49:04 -0500 Original-Received: from localhost ([::ffff:41.210.146.13]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 0000000000031EC1.00000000618A43EB.0000356F; Tue, 09 Nov 2021 02:48:27 -0700 Mail-Followup-To: irenezerafa , Help Gnu Emacs Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:134465 Archived-At: * Jean Louis [2021-11-08 19:50]: > * irenezerafa via Users list for the GNU Emacs text editor [2021-11-08 11:05]: > > I have the following piece of code and would like to use variable names instead of > > using hex values directly. > > > > (eval-when-compile > > (defmacro rich-faces () > > (let ( (faces '()) > > (light-colors [ "#a8007f" "#005f88" "#904200" "#7f10d0" > > "#006800" "#b60000" "#1f1fce" "#605b00" "#000000"]) > > (dark-colors [ "#ff62d4" "#3fdfd0" "#fba849" "#9f80ff" > > "#4fe42f" "#fe6060" "#4fafff" "#f0dd60" "#ffffff" ]) ) > > (color-name-to-rgb "white") ⇒ (1.0 1.0 1.0) > (color-rgb-to-hex 1.0 1.0 1.0) ⇒ "#ffffffffffff" > > (defun my-color-name (color) > (apply 'color-rgb-to-hex (color-name-to-rgb color))) > > (my-color-name "white") ⇒ "#ffffffffffff" > (my-color-name "red") ⇒ "#ffff00000000" To add, you wanted variables instead of hex, then you would do something like: (setq white-color (my-color-name "white")) ⇒ "#ffffffffffff" and then use it as: (light-colors [ white ] ) -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/