From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/43936 Path: news.gmane.org!not-for-mail From: "Wolfgang Schuster" Newsgroups: gmane.comp.tex.context Subject: Re: fitting a picture to the available space Date: Fri, 12 Sep 2008 09:14:36 +0200 Message-ID: <115224fb0809120014w21fdf697n1f4221d9a4d3839c@mail.gmail.com> 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> <6CC7A5A8-9679-4501-B8D0-34571BD72038@uni-bonn.de> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1221203780 30890 80.91.229.12 (12 Sep 2008 07:16:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 12 Sep 2008 07:16:20 +0000 (UTC) To: "mailing list for ConTeXt users" Original-X-From: ntg-context-bounces@ntg.nl Fri Sep 12 09:17:14 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 1Ke2tt-0001Lc-Lx for gctc-ntg-context-518@m.gmane.org; Fri, 12 Sep 2008 09:17:05 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 8D6C61FF77; Fri, 12 Sep 2008 09:16:03 +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 02046-04; Fri, 12 Sep 2008 09:15:18 +0200 (CEST) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 9CC491FF5D; Fri, 12 Sep 2008 09:15:18 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 92BB81FF5D for ; Fri, 12 Sep 2008 09:15:16 +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 05241-01-3 for ; Fri, 12 Sep 2008 09:14:39 +0200 (CEST) Original-Received: from mail-gx0-f16.google.com (mail-gx0-f16.google.com [209.85.217.16]) by ronja.ntg.nl (Postfix) with ESMTP id B0C831FF58 for ; Fri, 12 Sep 2008 09:14:38 +0200 (CEST) Original-Received: by gxk9 with SMTP id 9so11341207gxk.2 for ; Fri, 12 Sep 2008 00:14:38 -0700 (PDT) Original-Received: by 10.103.244.10 with SMTP id w10mr2669469mur.67.1221203677027; Fri, 12 Sep 2008 00:14:37 -0700 (PDT) Original-Received: by 10.103.215.10 with HTTP; Fri, 12 Sep 2008 00:14:36 -0700 (PDT) In-Reply-To: <6CC7A5A8-9679-4501-B8D0-34571BD72038@uni-bonn.de> Content-Disposition: inline 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:43936 Archived-At: On Thu, Sep 11, 2008 at 11:50 PM, Thomas A. Schmitz wrote: > > 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? You should close the box before you want to get it's dimensions. \unprotect \def\????bf{@@@@bf} \presetlocalframed[\????bf] \def\boxfigure[#1][#2]% {\bgroup \setbox\scratchbox\hbox{\externalfigure[#1]}% \!!dimena\wd\scratchbox \!!dimenb\ht\scratchbox \localframed [\????bf] [\c!strut=\v!no, \c!width=8cm, \c!height=6cm, #2] \bgroup \!!dimena\dimexpr\hsize/\!!dimena\relax \!!dimenb\dimexpr\vsize/\!!dimenb\relax \ifdim\!!dimena>\!!dimenb \externalfigure[mill][height=\vsize] \else \externalfigure[mill][width=\hsize] \fi \egroup \egroup} \protect \starttext \boxfigure[mill][width=8cm,height=2cm] \boxfigure[mill][width=2cm,height=8cm] \stoptext Wolfgang ___________________________________________________________________________________ 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 ___________________________________________________________________________________