From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/78075 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: ConTeXt color to text Date: Mon, 03 Sep 2012 20:36:12 +0200 Message-ID: <5044F89C.7030803@wxs.nl> References: <5044E1F6.50109@gmx.net> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1346697411 13866 80.91.229.3 (3 Sep 2012 18:36:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 3 Sep 2012 18:36:51 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Mon Sep 03 20:36:53 2012 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([195.12.62.10]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1T8bVw-0003mx-Bm for gctc-ntg-context-518@m.gmane.org; Mon, 03 Sep 2012 20:36:48 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 1897F101F3; Mon, 3 Sep 2012 20:36:45 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id BnuSoS2RrJ3K; Mon, 3 Sep 2012 20:36:43 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [IPv6:::1]) by balder.ntg.nl (Postfix) with ESMTP id 5360E101EA; Mon, 3 Sep 2012 20:36:43 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 52531101EA for ; Mon, 3 Sep 2012 20:36:42 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id ilFR6t0HKYDw for ; Mon, 3 Sep 2012 20:36:28 +0200 (CEST) Original-Received: from filter4-til.mf.surf.net (filter4-til.mf.surf.net [194.171.167.220]) by balder.ntg.nl (Postfix) with ESMTP id B2641101DF for ; Mon, 3 Sep 2012 20:36:28 +0200 (CEST) Original-Received: from smtp.ziggozakelijk.nl (D57D1DA2.static.ziggozakelijk.nl [213.125.29.162]) by filter4-til.mf.surf.net (8.14.3/8.14.3/Debian-9.4) with ESMTP id q83IaDev023379 for ; Mon, 3 Sep 2012 20:36:16 +0200 X-Default-Received-SPF: pass (skip=loggedin (res=PASS)) x-ip-name=10.100.1.100; Original-Received: from [10.100.1.100] (unverified [10.100.1.100]) by pragma-net.nl (SurgeMail 6.1c) with ESMTP (TLS) id 4942-1713362 for multiple; Mon, 03 Sep 2012 20:36:11 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:15.0) Gecko/20120824 Thunderbird/15.0 In-Reply-To: <5044E1F6.50109@gmx.net> X-Authenticated-User: hagen@controller-9 X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=213.125.29.162; country=NL; region=16; city=Zeewolde; latitude=52.3302; longitude=5.5364; http://maps.google.com/maps?q=52.3302,5.5364&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0VHSGAd8F - 915d774db5e3 - 20120903 (trained as not-spam) X-Scanned-By: CanIt (www . roaringpenguin . com) on 194.171.167.220 X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.14 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ntg-context-bounces@ntg.nl Original-Sender: ntg-context-bounces@ntg.nl Xref: news.gmane.org gmane.comp.tex.context:78075 Archived-At: On 3-9-2012 18:59, Peter Rolf wrote: > Hi, > > for a batch command (ImageMagick) I need to convert ConTeXt colors to a > text representation (e.g. rgb 'red' -> 'rgb(255,0,0)'; same for color > models cmyk and gray). > What is the best way to get (read only) access to the color channels of > a defined color? \colorcomponents{red} \colorvalue{red} in next beta: \startluacode -- inspect(attributes.colors.spec("red")) -- table={ -- ["b"]=0, -- ["c"]=0, -- ["model"]="cmyk", -- ["g"]=0, -- ["k"]=0, -- ["m"]=1, -- ["r"]=1, -- ["s"]=0.3, -- ["y"]=1, -- } \stopluacode ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl ----------------------------------------------------------------- ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________