From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/86789 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: quick and shallow question about layers Date: Thu, 27 Mar 2014 00:07:22 +0100 Message-ID: <53335DAA.5000003@wxs.nl> References: <7EAACAB1-3A1D-4D30-A544-442E1059722A@uni-bonn.de> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; Format="flowed" Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1395875260 5740 80.91.229.3 (26 Mar 2014 23:07:40 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 26 Mar 2014 23:07:40 +0000 (UTC) To: ntg-context@ntg.nl Original-X-From: ntg-context-bounces@ntg.nl Thu Mar 27 00:07:47 2014 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([5.39.185.229]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WSwvB-0008DB-SD for gctc-ntg-context-518@m.gmane.org; Thu, 27 Mar 2014 00:07:45 +0100 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 2692A101F1; Thu, 27 Mar 2014 00:07:45 +0100 (CET) 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 fWY+hBPzcmiu; Thu, 27 Mar 2014 00:07:42 +0100 (CET) Original-Received: from balder.ntg.nl (localhost [IPv6:::1]) by balder.ntg.nl (Postfix) with ESMTP id C91E6101EB; Thu, 27 Mar 2014 00:07:42 +0100 (CET) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 2AD3B101EB for ; Thu, 27 Mar 2014 00:07:41 +0100 (CET) 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 LY-PyL81re5C for ; Thu, 27 Mar 2014 00:07:39 +0100 (CET) Original-Received: from filter5-til.mf.surf.net (filter5-til.mf.surf.net [194.171.167.221]) by balder.ntg.nl (Postfix) with ESMTP id 38939101EA for ; Thu, 27 Mar 2014 00:07:29 +0100 (CET) Original-Received: from smtp.ziggozakelijk.nl (D57D1DA2.static.ziggozakelijk.nl [213.125.29.162]) by filter5-til.mf.surf.net (8.14.3/8.14.3/Debian-9.4) with ESMTP id s2QN7S48015848 for ; Thu, 27 Mar 2014 00:07:28 +0100 X-Default-Received-SPF: pass (skip=loggedin (res=PASS)) x-ip-name=10.100.1.104; Original-Received: from [10.100.1.104] (unverified [10.100.1.104]) by pragma-net.nl (SurgeMail 6.3c2) with ESMTP id 8621-1713362 for ; Thu, 27 Mar 2014 00:07:27 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 In-Reply-To: <7EAACAB1-3A1D-4D30-A544-442E1059722A@uni-bonn.de> X-Authenticated-User: hagen@controller-9 X-Bayes-Prob: 0.0001 (Score 0, tokens from: ntg-context@ntg.nl, base:default, @@RPTN) X-CanIt-Geo: ip=213.125.29.162; country=NL; region=Provincie Overijssel; city=Zwolle; latitude=52.5058; longitude=6.0858; http://maps.google.com/maps?q=52.5058,6.0858&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0WLGn7s35 - 93b93c53e4ac - 20140327 (trained as not-spam) X-Scanned-By: CanIt (www . roaringpenguin . com) on 194.171.167.221 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:86789 Archived-At: On 3/26/2014 11:42 PM, Schmitz Thomas A. wrote: > Hi, > > this is pretty shallow, but maybe someone knows a way: for one of my pres= entation, every slide has a (different) picture as background. The title is= typeset within a narrow colored frame which extends across the entire slid= e. Is there any way to make the background picture show through the letters= of the title, i.e. make the letters transparent within the colored frame? = I thought of metapost=92s infill, but it appears that this only adds a back= ground color, not real transparency. > > Hope the question is clear enough - just in case someone has a suggestion= ; my life doesn=92t depend on it! \starttext \startMPcode draw externalfigure("mill.png") xysized(10cm,4cm) ; draw textext("\bf LOOK THROUGH") xysized(10cm,4cm) shifted center currentpicture withcolor red withtransparency (1,0.4) ; \stopMPcode \stoptext or \starttext \defineoverlay [page] [\overlayfigure{mill.png}] \setupbackgrounds [page] [background=3Dpage] \definecolor[myred][a=3D1,t=3D.4,r=3D.4] {\color[myred]{\definedfont[Bold*default at 60pt]LOOK THROUGH}} \stoptext or ... Hans ----------------------------------------------------------------- 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 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 ___________________________________________________________________________= ________