From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/17347 Path: main.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: Black generation in cmyk output Date: Thu, 02 Dec 2004 10:46:25 +0100 Message-ID: <41AEE471.7030902@wxs.nl> References: <20041130150602.GA1420@mnw.art.pl> <41AC903E.9030000@elvenkind.com> <20041201141942.GA1143@mnw.art.pl> <6CD8912C-43B6-11D9-9EBB-0030659899AA@fiee.net> <41ADF6B9.7050700@wxs.nl> <20041202094007.GB1269@mnw.art.pl> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1101980806 2775 80.91.229.6 (2 Dec 2004 09:46:46 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 2 Dec 2004 09:46:46 +0000 (UTC) Original-X-From: ntg-context-bounces@ntg.nl Thu Dec 02 10:46:41 2004 Return-path: Original-Received: from ronja.vet.uu.nl ([131.211.172.88] helo=ronja.ntg.nl) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1CZnXs-0005er-00 for ; Thu, 02 Dec 2004 10:46:40 +0100 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id DB93C127B6; Thu, 2 Dec 2004 10:46:39 +0100 (CET) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (ronja.vet.uu.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 17727-02; Thu, 2 Dec 2004 10:46:34 +0100 (CET) Original-Received: from ronja.vet.uu.nl (localhost.localdomain [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 3190B12784; Thu, 2 Dec 2004 10:46:34 +0100 (CET) Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 44A0412784 for ; Thu, 2 Dec 2004 10:46:31 +0100 (CET) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (ronja.vet.uu.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 17371-08 for ; Thu, 2 Dec 2004 10:46:28 +0100 (CET) Original-Received: from mailrelay02.solcon.nl (unknown [212.45.32.200]) by ronja.ntg.nl (Postfix) with ESMTP id A8AE81277E for ; Thu, 2 Dec 2004 10:46:26 +0100 (CET) Original-Received: from server-1.pragma-net.nl (dsl-212-84-128-085.solcon.nl [212.84.128.85]) by mailrelay02.solcon.nl (8.12.11/SQL-8.12.11-5/8.12.11) with ESMTP id iB29kOKi024833 for ; Thu, 2 Dec 2004 10:46:24 +0100 Original-Received: by server-1.pragma-net.nl (Postfix, from userid 65534) id 8863E19782; Thu, 2 Dec 2004 10:46:25 +0100 (CET) Original-Received: from [10.100.1.191] (unknown [10.100.1.191]) by server-1.pragma-net.nl (Postfix) with ESMTP id 88D581977D for ; Thu, 2 Dec 2004 09:46:24 +0000 (UTC) User-Agent: Mozilla Thunderbird 0.8 (Windows/20040913) X-Accept-Language: en-us, en Original-To: mailing list for ConTeXt users In-Reply-To: <20041202094007.GB1269@mnw.art.pl> X-Virus-Scanned: ClamAV 0.80/540/Tue Oct 19 14:59:23 2004 clamav-milter version 0.80j on mailrelay02 X-Virus-Status: Clean X-Virus-Scanned: by amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.5 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: ntg-context-bounces@ntg.nl Errors-To: ntg-context-bounces@ntg.nl X-Virus-Scanned: by amavisd-new at ntg.nl Xref: main.gmane.org gmane.comp.tex.context:17347 X-Report-Spam: http://spam.gmane.org/gmane.comp.tex.context:17347 Piotr Kopszak wrote: > On Wed, Dec 01, 2004 at 05:52:09PM +0100, Hans Hagen wrote: > >>Henning Hraban Ramm wrote: >> >>>Am 01.12.2004 um 15:19 schrieb Piotr Kopszak: >>> >>> >>>>Sorry for imprecise question. I meant black generation in rgb images >>>>in JPG format included in document. If it's not possible to control >>>>the amount of black in that case I'd like to use cmyk JPG images, but >>>>will they be left untouched by the colour conversion mechanism? >>> >>> >>>AFAIK ConTeXt doesn't touch pixel images at all - that would be a rather >>>complicated task, perhaps using little_cms or GIMP libraries or the like... >> >>indeed, however, you may expect some manipulations without touching the >>bitmap, like runtime turning gray scales into spot colors and duotones; i >>have something running here for half a year now but i recently moved the >>code into the kernel >> >>Hans > > > Right, but what exactly happens with included rgb bitmaps > when I use: > > \setupcolors[state=start,cmyk=yes,rgb=no] > > Will they be left in rgb? bitmaps will not be touched by context, so they will stay rgb (i'm currently cleaning up some figure postprocessign code, so meybe that end up in the distribution) Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------