From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/59787 Path: news.gmane.org!not-for-mail From: Henning Hraban Ramm Newsgroups: gmane.comp.tex.context Subject: Re: blurred shadow on images? Date: Tue, 22 Jun 2010 22:58:20 +0200 Message-ID: <85FAD4D3-69A5-459A-A3B7-776BE346CBF8@fiee.net> References: <4C1F09F1.6030404@elvenkind.com> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 (Apple Message framework v936) Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"; DelSp="yes" Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1277240313 16311 80.91.229.12 (22 Jun 2010 20:58:33 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 22 Jun 2010 20:58:33 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Tue Jun 22 22:58:32 2010 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([195.12.62.10]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ORAYA-0001Vg-4Z for gctc-ntg-context-518@m.gmane.org; Tue, 22 Jun 2010 22:58:30 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id D2EF3C9AC1; Tue, 22 Jun 2010 22:58:28 +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 l2uQ6y0yjpcp; Tue, 22 Jun 2010 22:58:26 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 465BFC9AC7; Tue, 22 Jun 2010 22:58:26 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 5815EC9AC7 for ; Tue, 22 Jun 2010 22:58:25 +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 Ay5o3tR4o3RT for ; Tue, 22 Jun 2010 22:58:22 +0200 (CEST) Original-Received: from turan.fiee.net (turan.fiee.net [87.230.77.106]) by balder.ntg.nl (Postfix) with ESMTP id E3BF8C9AC1 for ; Tue, 22 Jun 2010 22:58:22 +0200 (CEST) X-No-Auth: unauthenticated sender Original-Received: from turan.fiee.net (lvps87-230-77-106.dedicated.hosteurope.de [127.0.0.1]) by turan.fiee.net (Postfix) with ESMTP id 2955317BC0290 for ; Tue, 22 Jun 2010 22:58:22 +0200 (CEST) Original-Received: from [10.128.9.9] (60-166.76-83.cust.bluewin.ch [83.76.166.60]) by turan.fiee.net (Postfix) with ESMTP for ; Tue, 22 Jun 2010 22:58:21 +0200 (CEST) In-Reply-To: <4C1F09F1.6030404@elvenkind.com> X-Mailer: Apple Mail (2.936) X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.12 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 Xref: news.gmane.org gmane.comp.tex.context:59787 Archived-At: Am 2010-06-21 um 08:42 schrieb Taco Hoekwater: > Henning Hraban Ramm wrote: >> I'd like to place some plain photos rotated (say 12=B0) and with a = >> blurred shadow above some colored elements, i.e. the shadow must = >> use transparency. >> I guess I could get such using ImageMagick, but is there a = >> possibility using ConTeXt or one of its favourite friends? >> I'd prefer a solution that works with CMYK data. > > Creating a semi-transparent backdrop with metapost is quite simple, > but I am not sure whether that works with cmyk, you'll have to try > yourself. Code goes something like this: Thank you, I'll try. Seems like I should learn MetaPost finally... >> If there isn't - is the transparency of PNG usable? > > Sure, and may use less resources than mp drawings, but that is > definitely RGB Yes, of course. Since I only need to output on a color laser printer, = it will probably work. Processing time matters. Greetlings from Lake Constance! Hraban --- http://www.fiee.net/texnique/ http://wiki.contextgarden.net https://www.cacert.org (I'm an assurer) ___________________________________________________________________________= ________ If your question is of interest to others as well, please add an entry to t= he Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-cont= ext webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________= ________