From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/75823 Path: news.gmane.org!not-for-mail From: Peter Rolf Newsgroups: gmane.comp.tex.context Subject: Re: Rendering differences between PDF viewers Date: Tue, 24 Apr 2012 15:37:51 +0200 Message-ID: <4F96ACAF.1030405@gmx.net> 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> <4F969FB5.7080806@wxs.nl> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1335274686 30774 80.91.229.3 (24 Apr 2012 13:38:06 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 24 Apr 2012 13:38:06 +0000 (UTC) Cc: mailing list for ConTeXt users , Kip Warner To: Hans Hagen Original-X-From: ntg-context-bounces@ntg.nl Tue Apr 24 15:38:05 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 1SMfwR-0007gb-IA for gctc-ntg-context-518@m.gmane.org; Tue, 24 Apr 2012 15:38:03 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 8AD72101E4; Tue, 24 Apr 2012 15:38:02 +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 CLmBG00VKTyU; Tue, 24 Apr 2012 15:38:00 +0200 (CEST) Original-Received: from [127.0.0.1] (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 01D48101DF; Tue, 24 Apr 2012 15:38:00 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 28337101DF for ; Tue, 24 Apr 2012 15:37:58 +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 LoyAQ2QD4s2S for ; Tue, 24 Apr 2012 15:37:57 +0200 (CEST) Original-Received: from filter1-ams.mf.surf.net (filter1-ams.mf.surf.net [192.87.102.69]) by balder.ntg.nl (Postfix) with ESMTP id 76916101CF for ; Tue, 24 Apr 2012 15:37:57 +0200 (CEST) Original-Received: from mailout-de.gmx.net (mailout-de.gmx.net [213.165.64.22]) by filter1-ams.mf.surf.net (8.14.3/8.14.3/Debian-9.4) with SMTP id q3ODbun8032004 for ; Tue, 24 Apr 2012 15:37:56 +0200 Original-Received: (qmail invoked by alias); 24 Apr 2012 13:37:52 -0000 Original-Received: from ip-178-200-48-212.unitymediagroup.de (EHLO [192.168.178.3]) [178.200.48.212] by mail.gmx.net (mp028) with SMTP; 24 Apr 2012 15:37:52 +0200 X-Authenticated: #24293357 X-Provags-ID: V01U2FsdGVkX19NqV8+T4BN5e+y7qNCJZKRxZhfRL5i30Zgn6ceiG Pk5tQToFNAY8LO User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:11.0) Gecko/20120327 Thunderbird/11.0.1 In-Reply-To: <4F969FB5.7080806@wxs.nl> X-Enigmail-Version: 1.4.1 X-Y-GMX-Trusted: 0 X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=213.165.64.22; country=DE; latitude=51.0000; longitude=9.0000; http://maps.google.com/maps?q=51.0000,9.0000&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0NH1NBUbD - 418fd6dbc207 - 20120424 (trained as not-spam) X-Scanned-By: CanIt (www . roaringpenguin . com) on 192.87.102.69 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:75823 Archived-At: Am 24.04.2012 14:42, schrieb Hans Hagen: > 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 > nice. a test document with mixed color spaces is also in work and should be ready in a few days. Peter ___________________________________________________________________________________ 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 ___________________________________________________________________________________