From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/43925 Path: news.gmane.org!not-for-mail From: "Thomas A. Schmitz" Newsgroups: gmane.comp.tex.context Subject: Re: fitting a picture to the available space Date: Thu, 11 Sep 2008 23:50:54 +0200 Message-ID: <6CC7A5A8-9679-4501-B8D0-34571BD72038@uni-bonn.de> References: <396E487E-2550-48FB-BF43-BC51ED2388F4@uni-bonn.de> <48C8C8AA.8080003@wxs.nl> <115224fb0809110713w734719bl2c547d8897a0c442@mail.gmail.com> <3452072A-ED37-44F0-BC02-C4386C288080@uni-bonn.de> <8CF62E00-1F4E-4E9E-8AA8-85BB3F12DD50@uni-bonn.de> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 (Apple Message framework v926) Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1221169957 8356 80.91.229.12 (11 Sep 2008 21:52:37 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 11 Sep 2008 21:52:37 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Thu Sep 11 23:53:32 2008 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from ronja.vet.uu.nl ([131.211.172.88] helo=ronja.ntg.nl) by lo.gmane.org with esmtp (Exim 4.50) id 1Kdu6R-0003U0-3I for gctc-ntg-context-518@m.gmane.org; Thu, 11 Sep 2008 23:53:27 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 485AC1FF02; Thu, 11 Sep 2008 23:52:23 +0200 (CEST) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 08977-07-4; Thu, 11 Sep 2008 23:51:41 +0200 (CEST) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id D872D1FF11; Thu, 11 Sep 2008 23:51:40 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 2B5AB1FF11 for ; Thu, 11 Sep 2008 23:51:36 +0200 (CEST) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 08977-07-3 for ; Thu, 11 Sep 2008 23:50:59 +0200 (CEST) Original-Received: from mailout11.t-online.de (mailout11.t-online.de [194.25.134.85]) by ronja.ntg.nl (Postfix) with ESMTP id E30D81FC57 for ; Thu, 11 Sep 2008 23:50:58 +0200 (CEST) Original-Received: from fwd01.aul.t-online.de by mailout11.sul.t-online.de with smtp id 1Kdu42-0005lw-00; Thu, 11 Sep 2008 23:50:58 +0200 Original-Received: from [192.168.0.2] (bNZUn2ZEQhjq-OXqvu2xevf+vR+5PdoqD9Vv8XH9hyDDqhFNvzu-Vrx27-IVkcDQAj@[87.178.90.49]) by fwd01.aul.t-online.de with esmtp id 1Kdu3z-1moz320; Thu, 11 Sep 2008 23:50:55 +0200 In-Reply-To: <8CF62E00-1F4E-4E9E-8AA8-85BB3F12DD50@uni-bonn.de> X-Mailer: Apple Mail (2.926) X-ID: bNZUn2ZEQhjq-OXqvu2xevf+vR+5PdoqD9Vv8XH9hyDDqhFNvzu-Vrx27-IVkcDQAj@t-dialin.net X-TOI-MSGID: f8ed2b33-0b2d-411b-8379-fa49b8419eb1 X-Virus-Scanned: amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.9 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 X-Virus-Scanned: amavisd-new at ntg.nl Xref: news.gmane.org gmane.comp.tex.context:43925 Archived-At: On Sep 11, 2008, at 7:59 PM, Thomas A. Schmitz wrote: > > On Sep 11, 2008, at 6:20 PM, Thomas A. Schmitz wrote: > >>> \starttext >>> >>> \start >>> >>> \setbox\scratchbox\vbox{\externalfigure[mill]} >>> >>> \dimen0=\wd\scratchbox >>> \dimen2=\ht\scratchbox >>> >>> \framed[frame=on,strut=no,width=8cm,height=2cm] >>> {\dimen1=\hsize \divide\dimen1 by \dimen0 >>> \dimen3=\vsize \divide\dimen3 by \dimen2 >>> \ifdim\dimen1>\dimen3 >>> \externalfigure[mill][height=\vsize] >>> \else >>> \externalfigure[mill][width=\hsize] >>> \fi} >>> >>> \framed[frame=on,strut=no,width=2cm,height=8cm] >>> {\dimen1=\hsize \divide\dimen1 by \dimen0 >>> \dimen3=\vsize \divide\dimen3 by \dimen2 >>> \ifdim\dimen1>\dimen3 >>> \externalfigure[mill][height=\vsize] >>> \else >>> \externalfigure[mill][width=\hsize] >>> \fi} >>> >>> \stop >>> >>> \stoptext >>> >>> Wolfgang >> >> Wolfgang, >> >> as always, you're a source of wisdom and knowledge... Just I >> understand this correctly and can adapt it to my macro: \dimen1= >> \hsize: here \hsize refers to the size of the \framed inside which >> we're operating, right? > > And another question: I get an error "! Illegal unit of measure (pt > inserted)." Is it really possible to divide a dimension by another > dimension? Not according to what I read here: http://www.tug.org/utilities/plain/cseq.html#divide-rp > "must be a nonzero integer." See, I'm far from being a native > speaker of TeX... > I now have something along these lines (ugly code ahead!): \setbox\scratchbox\vbox{\externalfigure[mill]% \dimen0=\wd\scratchbox% \def\@WD{\withoutpt{\the\dimen0}}% \def\@@WD{\integerrounding{\@WD}}% \dimen4=\textwidth \divide\dimen4 by \@@WD% \dimen2=\ht\scratchbox% \def\@HT{\withoutpt{\the\dimen2}}% \def\@@HT{\integerrounding{\@HT}}% \dimen6=\textheight \divide\dimen6 by \@@HT% \ifdim\dimen4>\dimen6% \def\Myheight{\textheight}\def\Mywidth{}% \else% \def\Mywidth{\textwidth}\def\Myheight{}% \fi and then use height=\Myheight,width=\Mywidth. Bu there's still a problem... Anyway, does it make sense in general? Thomas ___________________________________________________________________________________ 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 : https://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________