ntg-context May 2011

ntg-context@ntg.nl

80 participants
205 discussions

Re: [NTG-context] checking mainlanguage setup
by Jeong Dalyoung 01 Jun '11

01 Jun '11

Dear Lucas, > > Shouldn't it be (untested): > > context("\\def\\lang{English}") > > It is working. > > context([[\def\lang{English}]]) It is not working. It prints "def lang English". Thank you. Best regards, Dalyoung

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Moving module installation from first-setup.sh to ctxtools
by Bruce 01 Jun '11

01 Jun '11

Per subject line, I'd just like to suggest moving the (quite helpful) module installation functionality from first-update.sh to one of the core context scripts (like ctxtools), so that it's usable outside the minimal distribution (in TL). E.g. something like: ctxtools --install="t-simpleslides" Bruce

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newbie questions
by Sanja C. 31 May '11

31 May '11

Hi ConTeXt community. While looking for free (preferably open-source) tools which I could use for typesetting a planned internal newsletter-booklet for a non-profit organization (to be released in printed form in regular intervals - each issue with new content of course, but same/similar style), I came across ConTeXt. I usually use Inkscape and various WYSIWYG word processing software for designing and layouting flyers/leaflets/etc., but in this case (many pages, varying and regularly updated content, consistent style) I'm afraid those tools simply don't cut in in terms of professional-quality typesetting capabilities and content//style separation. So programmatic typesetting might be the answer. I thought of LaTeX first, but I read from various sources that using ConTeXt might be easier for typesetting book-like things, especially if you want to design your own styles. Before I delve in deeper, though, I would like to ask you (the ConTeXt community) some questions: a) Is the ConTeXt project alive? The newest PDF documentation I could find seems to be from 2007; most of it is dated 2003 or older. b) Do you think that ConTeXt is an appropriate tool for the use case I described (be honest please ;-)), and easy enough to learn for someone with almost no TeX experience? The requirements are: - Support for elaborate, colorful, graphics-heavy design, which I would preferably create in Inkscape and then export as vector graphics (or port to ConTeXt's own graphics language) as necessary. - Ability to write a style *once* (with reasonable effort), and "outsource" it to an external file (or files), so that for each new release of the newsletter, only a simple content TeX file (or files) with minimal amount of markup is required (which e.g. even a non-tech-savvy writer/editor could edit) - Ability to easily include pictures in the content, and let the typesetting engine automatically position them (either in the main text area with text floating around them, or in special margin areas). c) Are there any full-featured examples of design-heavy booklets/magazines/etc created with ConTeXt., for which the full source code is publicly available? That would be *really* helpful in order to assess how much work would be required, and also to learn how exactly it's done in practice. Thanks! Sanja C.

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a tiny set of documents for introduction to ConTeXt (for MacTeX)
by Mojca Miklavec 31 May '11

31 May '11

Hello, In the preparation for TL 2011 Richard Koch asked about the following: > We install some documentation about > ConTeXt, LuaTeX, and XeTeX in /Applications/TeX, mainly > for people who only know LaTeX but would like to get a feel > for later developments. That documentation needs to be up to > date. At the moment there is the following document in there: The language mix Abstract During the third ConTEXt conference that ran in parallel to EuroTEX 2009 in The Hague we had several sessions where mkiv was discussed and a few upcoming features were demonstrated. The next sections summarize some of that. It's hard to predict the future, especially because new possibilities show up once LuaTEX is opened up more, so remarks about the future are not definitive. One document for XeTeX contains two paragraphs, demonstrating usage of Arabic, Hebrew and Japanese: \newfontfamily{\A}{Geeza Pro} \newfontfamily{\H}[Scale=0.9]{Lucida Grande} \newfontfamily{\J}[Scale=0.85]{Osaka} Here are some multilingual Unicode fonts: this is Arabic text: {\A السلام عليكم}, this is Hebrew: {\H שלום}, and here's some Japanese: {\J 今日は}. The idea is to have a simple, yet powerful example showing some capabilities of ConTeXt, together with source code. I find this important for promotion of ConTeXt to new users. The question is: does anyone have any good ideas what to put there? Mojca

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Re: [NTG-context] checking mainlanguage setup
by Jeong Dalyoung 31 May '11

31 May '11

Dear Aditya, Here are the test result. > context.setvalue("lang", "English") It is working. > > > context([[\\def\\lang{English}]]) It is not working. It just prints "def langEnglish". Now, I got two solutions, using luacode and using \doifelse. Thank you. Best regards, Dalyoung

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[supp-fil.mkiv] \openoutputfile & braces
by Philipp Gesang 29 May '11

29 May '11

Hi all, the mkiv definition of \openoutputfile adds undesired braces to filenames like “{out}.testfile2” and “{out.testfile3}”. ··8<····························································· \newwrite \testme %\openout \testme \jobname.testfile %%% works \openoutputfile \testme \jobname.testfile2 \openoutputfile \testme {\jobname.testfile3} \starttext irrelevant \stoptext ··8<····························································· mkii is fine. (Although I prefer plain \openout.) Philipp

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Re: [NTG-context] checking mainlanguage setup
by Jeong Dalyoung 27 May '11

27 May '11

Dear Pontus, Marco, and Peter, Thank you for replies. I tested the following codes: 1) \startluacode if languages.current() == "kr" then context("Korean") else context("Not Korean") end \stopluacode 2) \doifelse\currentlanguage{en}{\def\lang{English}}{\def\lang{Not English}}\par currentlanguage: \lang are working well. But, the code \startluacode if languages.current() == "kr" then context([[\def\lang{Korean}]]) %("\def\lang{Korean}") else context([[\def\lang{English}]]) %("\def\lang{Korean}") end \stopluacode currentlanguage: \lang is not working. (undifined control sequence error) I think that there is a simple way to use lua code for this which I don't know. I have to read CLD manual. Thanks again. Best regards, Dalyoung On 2011. 5. 27., at 오후 10:09, ntg-context-request(a)ntg.nl wrote: > Send ntg-context mailing list submissions to > ntg-context(a)ntg.nl > > To subscribe or unsubscribe via the World Wide Web, visit > http://www.ntg.nl/mailman/listinfo/ntg-context > or, via email, send a message with subject or body 'help' to > ntg-context-request(a)ntg.nl > > You can reach the person managing the list at > ntg-context-owner(a)ntg.nl > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of ntg-context digest..." > > > Today's Topics: > > 1. Re: checking mainlanguage setup (Pontus Lurcock) > 2. Re: checking mainlanguage setup (Marco) > 3. Re: checking mainlanguage setup (Peter =?utf-8?Q?M=C3=BCnster?=) > 4. [metafun] graphictext in mkiv (Marco) > 5. Re: compresslevel and png graphics (mkiv) (Peter Rolf) > 6. Re: \asciimode and cld (Hans Hagen) > 7. Re: compresslevel and png graphics (mkiv) (Hartmut Henkel) > 8. Re: compresslevel and png graphics (mkiv) (Hartmut Henkel) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 27 May 2011 22:11:24 +1200 > From: Pontus Lurcock <pont(a)talvi.net> > To: ntg-context(a)ntg.nl > Subject: Re: [NTG-context] checking mainlanguage setup > Message-ID: <20110527101124.GO20248(a)rae.vm.bytemark.co.uk> > Content-Type: text/plain; charset=us-ascii > > On Fri 27 May 2011, Jeong Dalyoung wrote: > >> Is it possible to check what is the mainlanguage set in document? >> Now, I use \enablemode[kr] to do something A. But, I'd like to do it >> automatically if possible. > > According to http://wiki.contextgarden.net/Modes#System_modes , > the mode **kr should be automatically set if kr is the main language > (I haven't tried it, though). > > Pont > > > ------------------------------ > > Message: 2 > Date: Fri, 27 May 2011 12:22:38 +0200 > From: Marco <netuse(a)lavabit.com> > To: ntg-context(a)ntg.nl > Subject: Re: [NTG-context] checking mainlanguage setup > Message-ID: <20110527122238.4c709eb2@glyph> > Content-Type: text/plain; charset=US-ASCII > >> I'd like to do the following type of setup. >> >> >> if mainlanguage == kr then >> >> do something A >> >> elseif mainlanguage == en then >> >> do something B >> >> else >> do something C >> >> endif > > \starttext > \startluacode > if languages.current() == "kr" then > context("Something A") > elseif languages.current() == "en" then > context("Something B") > else > context("Something C") > end > \stopluacode > \stoptext > > Marco > > > > > ------------------------------ > > Message: 3 > Date: Fri, 27 May 2011 12:41:46 +0200 > From: pmlists(a)free.fr (Peter =?utf-8?Q?M=C3=BCnster?=) > To: mailing list for ConTeXt users <ntg-context(a)ntg.nl> > Subject: Re: [NTG-context] checking mainlanguage setup > Message-ID: <87ei3kifx1.fsf(a)micropit.couberia.bzh> > Content-Type: text/plain; charset=utf-8 > > On Fri, May 27 2011, Jeong Dalyoung wrote: > >> Is it possible to check what is the mainlanguage set in document? > > Yes. Example: > > %\mainlanguage[fr] > %\language[fr] > \starttext > currentlanguage: > \doifelse\currentlanguage{fr}{French}{Not French}\par > currentmainlanguage: > \doifelse\currentmainlanguage{fr}{French}{Not French}\par > translate: \translate[fr=Fran?ais, en=French] > \stoptext > > -- > Peter > > > ------------------------------ > > Message: 4 > Date: Fri, 27 May 2011 12:45:58 +0200 > From: Marco <netuse(a)lavabit.com> > To: ntg-context(a)ntg.nl > Subject: [NTG-context] [metafun] graphictext in mkiv > Message-ID: <20110527124558.19b42ca1@glyph> > Content-Type: text/plain; charset=UTF-8 > > The ?graphictext? makro does not work in mkiv, is it a bug > or intended? This example works in mkii: > > \starttext > \startMPcode > draw image(graphictext "FooBar" scaled 8); > \stopMPcode > \stoptext > > Marco > > > > > ------------------------------ > > Message: 5 > Date: Fri, 27 May 2011 13:57:51 +0200 > From: Peter Rolf <indiego(a)gmx.net> > To: ntg-context(a)ntg.nl > Subject: Re: [NTG-context] compresslevel and png graphics (mkiv) > Message-ID: <4DDF91BF.8030806(a)gmx.net> > Content-Type: text/plain; charset=UTF-8 > > Am 26.05.2011 18:17, schrieb Peter Rolf: >> Am 26.05.2011 12:52, schrieb Peter Rolf: >>> Am 25.05.2011 21:54, schrieb Hartmut Henkel: >> [..] >>>> >>>> no. There is a "PNG Copy" function for literal embedding of the PNG >>>> file, but that triggers only, if the file simultaneously satisfies quite >>>> a few conditions, which are about: non-interlaced, no palette, no >>>> transparency, no gamma coming with it, no gamma modification requested, >>>> no white adjustment in the PNG, and a few more rare others. Else it's >>>> de-compressed and then re-compressed to the \pdfcompresslevel, and >>>> additional streams and dicts are added. You see in the log if it finally >>>> was "PNG Copy" or not. >>>> >> [..] >>>> >>>> These are about the factors affecting the PNG to PDF size. For your big >>>> PNG graphic you may find a preprocessing (e. g., pngtopnm | pnmtopng >>>> will definitely remove all fat) that makes it compliant with the "PNG >>>> copy". >>>> >>> I will give that a try. But I doubt that there is much 'fat' on that >>> graphic. Anyhow, you never know before you have tried it. :-) >>> >> >> No luck. I used imagemagick to convert to pnm and back. >> Transparency was removed before by adding a white background, also all >> not critical chunks (ICC profile, backgroundcolor, resolution, creation >> and modify date, comment) were removed. The graphic is a valid PNG >> (TweakPNG) and aside from the size, there is nothing special with this >> graphic. Still no '(PNG copy)'. >> >> @luigi: an ICC profile definitely breaks the <png copy> rules >> >> The only chunks left are >> >> IHDR PNG image header: 5900x4094, 8bits/sample, truecolor, noninterlaced >> IDAT PNG image data >> .. >> IDAT PNG image data >> IEND end-of-image marker >> >> Mh, where is the show stopper? The compression method? >> > Looks like some of ConTeXt PDF/X-related settings is causing this. If I > reduce the code to the pure picture, the '(PNG copy)' is triggered. > Probably the active color management (default color space) is breaking > the copy process here. > > Sorry for any inconvenience. I should have tested this case before... > > Best wishes, Peter > > >> Regards, Peter >> ___________________________________________________________________________________ >> If your question is of interest to others as well, please add an entry to the Wiki! >> >> maillist : ntg-context(a)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 >> ___________________________________________________________________________________ >> > > > > ------------------------------ > > Message: 6 > Date: Fri, 27 May 2011 15:07:33 +0200 > From: Hans Hagen <pragma(a)wxs.nl> > To: mailing list for ConTeXt users <ntg-context(a)ntg.nl> > Cc: Peter M?nster <pmlists(a)free.fr> > Subject: Re: [NTG-context] \asciimode and cld > Message-ID: <4DDFA215.3060000(a)wxs.nl> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > On 27-5-2011 11:00, Peter M?nster wrote: >> Hello, >> >> How can one use \asciimode in cld syntax? >> >> This does not seem to work: >> >> context.starttext() >> context.asciimode() >> context"bla % bla" >> context.stoptext() > > \starttext > > \startluacode > context.startTEXpage() > context.starttext() > context.pushcatcodes("txtcatcodes") > context("bla % bla") > context.popcatcodes() > context.stoptext() > context.stopTEXpage() > \stopluacode > > \stoptext > > > ----------------------------------------------------------------- > 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 > ----------------------------------------------------------------- > > > ------------------------------ > > Message: 7 > Date: Fri, 27 May 2011 15:09:14 +0200 > From: "Hartmut Henkel" <hartmut_henkel(a)gmx.de> > To: mailing list for ConTeXt users <ntg-context(a)ntg.nl>, > ntg-context(a)ntg.nl > Subject: Re: [NTG-context] compresslevel and png graphics (mkiv) > Message-ID: <20110527130914.171040(a)gmx.net> > Content-Type: text/plain; charset="utf-8" > >>> @luigi: an ICC profile definitely breaks the <png copy> rules >>> >>> The only chunks left are >>> >>> IHDR PNG image header: 5900x4094, 8bits/sample, truecolor, >> noninterlaced >>> IDAT PNG image data >>> .. >>> IDAT PNG image data >>> IEND end-of-image marker >>> >>> Mh, where is the show stopper? The compression method? >>> >> Looks like some of ConTeXt PDF/X-related settings is causing this. If I >> reduce the code to the pure picture, the '(PNG copy)' is triggered. >> Probably the active color management (default color space) is breaking >> the copy process here. > > must be some \pdfimageapplygamma > 0, only this and the \pdfimagehicolor > primitive can influence this low level stuff. > > Btw, just \pdfimageapplygamma > 0 (without setting \pdfgamma and \pdfimagegamma) already changes the PNG image, since the luatex (and pdftex) internal defaults are not gamma-neutral. No idea if (and then > to which value) this should be fixed. > > Regards, Hartmut > -- > Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir > belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de > > > ------------------------------ > > Message: 8 > Date: Fri, 27 May 2011 15:09:14 +0200 > From: "Hartmut Henkel" <hartmut_henkel(a)gmx.de> > To: mailing list for ConTeXt users <ntg-context(a)ntg.nl>, > ntg-context(a)ntg.nl > Subject: Re: [NTG-context] compresslevel and png graphics (mkiv) > Message-ID: <20110527130914.171040(a)gmx.net> > Content-Type: text/plain; charset="utf-8" > >>> @luigi: an ICC profile definitely breaks the <png copy> rules >>> >>> The only chunks left are >>> >>> IHDR PNG image header: 5900x4094, 8bits/sample, truecolor, >> noninterlaced >>> IDAT PNG image data >>> .. >>> IDAT PNG image data >>> IEND end-of-image marker >>> >>> Mh, where is the show stopper? The compression method? >>> >> Looks like some of ConTeXt PDF/X-related settings is causing this. If I >> reduce the code to the pure picture, the '(PNG copy)' is triggered. >> Probably the active color management (default color space) is breaking >> the copy process here. > > must be some \pdfimageapplygamma > 0, only this and the \pdfimagehicolor > primitive can influence this low level stuff. > > Btw, just \pdfimageapplygamma > 0 (without setting \pdfgamma and \pdfimagegamma) already changes the PNG image, since the luatex (and pdftex) internal defaults are not gamma-neutral. No idea if (and then > to which value) this should be fixed. > > Regards, Hartmut > -- > Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir > belohnen Sie mit bis zu 50,- Euro! https://freundschaftswerbung.gmx.de > > > ------------------------------ > > ___________________________________________________________________________________ > If your question is of interest to others as well, please add an entry to the Wiki! > > maillist : ntg-context(a)ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context > webpage : http://www.pragma-ade.nl / http://tex.aanhet.net > archive : https://foundry.supelec.fr/projects/contextrev/ > wiki : http://contextgarden.net > ___________________________________________________________________________________ > > End of ntg-context Digest, Vol 83, Issue 123 > ********************************************

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Validate (cross)references
by Andreas Schneider 27 May '11

27 May '11

Hello, if I use \in, \about, \at or anything else that generates a cross-reference, and that reference happens to be invalid (typo or whatever), it just prints out "nothing". Is there a way to have context throw an error if a reference is invalid? (That probably would only make sense in the second pass of context, since the first pass has to collect the references first.) If context can't do it by itself, I'll probably just grep for "unknown reference" and use that, but if context could do it by itself, it would be nice for automated builds (I actually have my current ConTeXt project in a Continous Integration system, so anything that leads to a wrong result should throw an error there.) -- Best Regards, Andreas

6 6

First Line After Whitespace Styling
by Marc Trius 27 May '11

27 May '11

Hi, I would like to be able to specify a style that would apply to text that appears on the first line of a paragraph after whitespace. I have no idea how to go about it. Specifically, I have a font with an alternate glyph that can only be used after whitespace, and I would like to have it used automatically when appropriate. Thank you, Marc Trius -- Marc Trius <derpayatz(a)riseup.net> "The enemy is the gramophone mind, whether or not one agrees with the record that is being played at the moment." --- George Orwell

2 4

Modifying the header of a Register : \setuphead or \setupregister not working
by Mathieu DUPONT 27 May '11

27 May '11

Hi, How can one modify the header of a Register, after it apparently inherited from Chapter ?In the following example, I try to have the title "INDEX" at the same height as the title "CHAPTER",but neither the \setuphead nor \setupregister commands seem to do anything.Is there another command for that ?I couldn't find it. Thanks for help ! \setupinteraction[state=start] \setuplabeltext[chapter=CHAPITRE~]\setuphead[chapter][ align=middle, before={\crlf\blank[1cm-4.2ex]}, style={\blank[2cm]}, after={\blank[3cm]}, header=empty, ] \defineregister[MyIndex][MyIndexs]\setupheadtext[MyIndex=INDEX] \setupregister[MyIndex][{\blank[0cm]}] %% not working\setuphead[register][{\blank[0cm]}] %% not working \starttext \startbodymatter\chapter{Chapter}\MyIndex{word}word\stopbodymatter \startbackmatter\completeMyIndex\stopbackmatter \stoptext Mathieu

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ntg-context May 2011