From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/75818 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: Rendering differences between PDF viewers Date: Tue, 24 Apr 2012 14:42:29 +0200 Message-ID: <4F969FB5.7080806@wxs.nl> References: <1334469628.3748.29.camel@kip-laptop> <4F8AF085.6070208@wxs.nl> <1334619889.28437.1.camel@kip-laptop> <4F8D138B.3030605@wxs.nl> <1334645858.2011.5.camel@kip-laptop> <4F8D3D9B.1040406@gmx.net> <4F8D4216.4060809@wxs.nl> <4F8D4A74.8030404@gmx.net> <1334710198.2011.40.camel@kip-laptop> <4F8E6F65.50002@wxs.nl> <4F8EA1A2.3030806@gmx.net> <4F90587C.4060109@wxs.nl> <4F91154D.3020407@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: dough.gmane.org 1335271370 3015 80.91.229.3 (24 Apr 2012 12:42:50 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 24 Apr 2012 12:42:50 +0000 (UTC) Cc: mailing list for ConTeXt users , Kip Warner To: Peter Rolf Original-X-From: ntg-context-bounces@ntg.nl Tue Apr 24 14:42:48 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 1SMf4w-0007mZ-46 for gctc-ntg-context-518@m.gmane.org; Tue, 24 Apr 2012 14:42:46 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id C5F57101E5; Tue, 24 Apr 2012 14:42:44 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavisd-new, port 10024) with LMTP id bDGcYadLJYHY; Tue, 24 Apr 2012 14:42:42 +0200 (CEST) Original-Received: from [127.0.0.1] (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 26D18101E0; Tue, 24 Apr 2012 14:42:42 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id DE439101E0 for ; Tue, 24 Apr 2012 14:42:40 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavisd-new, port 10024) with LMTP id D1q6KPVPsk9K for ; Tue, 24 Apr 2012 14:42:40 +0200 (CEST) Original-Received: from filter2-ams.mf.surf.net (filter2-ams.mf.surf.net [192.87.102.70]) by balder.ntg.nl (Postfix) with ESMTP id 1C310101CF for ; Tue, 24 Apr 2012 14:42:39 +0200 (CEST) Original-Received: from smtp.ziggozakelijk.nl (D57D1DA2.static.ziggozakelijk.nl [213.125.29.162]) by filter2-ams.mf.surf.net (8.14.3/8.14.3/Debian-9.4) with ESMTP id q3OCgcKK022872 for ; Tue, 24 Apr 2012 14:42:39 +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 5.3h2) with ESMTP (TLS) id 129-1713362 for multiple; Tue, 24 Apr 2012 14:42:31 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:11.0) Gecko/20120327 Thunderbird/11.0.1 In-Reply-To: <4F91154D.3020407@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=03; city=Hattem; latitude=52.4724; longitude=6.0696; http://maps.google.com/maps?q=52.4724,6.0696&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0QH1MGDRy - abdb82dd4698 - 20120424 (trained as not-spam) X-Scanned-By: CanIt (www . roaringpenguin . com) on 192.87.102.70 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:75818 Archived-At: On 20-4-2012 09:50, Peter Rolf wrote: > Am 19.04.2012 20:25, schrieb Hans Hagen: >> On 18-4-2012 13:12, Peter Rolf wrote: >> >>> I understand that there is no easy or general solution for this. >>> But on the other hand is PNG currently the only way to use transparent >>> bitmaps in TeX. The usage of transparent PNG is quite common, so this is >>> a general problem that should be solved. >>> >>> I like your idea of automatically adding such groups, if the user >>> declares the color space beforehand. Also no answer for the spot color >>> problem, but as long as the user does not limit the used color spaces, >>> things can stay as they are. Just my 2 cents. >> >> so first wen need to test with mixed color space documents and such >> hacks to see what happens (as we don't want invalid documents) >> > > ok. i don't expect any formal problems, only more or less ugly color > shifts. anyhow, we will see. > > needs some thinking about proper examples (colored text, vector and > pixel based graphics in RGB,CMYK,Spot)... > i think 'draw ColorCircle(..)' is a perfect candidate for the complete > graphic part. one page with transparency and also one page without any > transparency (the page group shouldn't kick in). later on we can add > some icc profiles to spice things up. > > i'll start to make a test document on the weekend then. if i have missed > something important, let me know. any additional ideas are also welcome :-) as a prelude, the next beta will have \setupcolors[pagecolormodel=rgb] % gray rgb cmyk auto none and issue a warning when no model is set when using transparencies 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 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 ___________________________________________________________________________________