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author | oc |
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date | Tue, 28 Oct 2014 10:31:10 +0900 |
parents | b43c850d62c2 |
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% PICINS.STY --- Style File zum Einbinden von Bildern % Autor: J. Bleser, E. Lang % Hochschulrechenzentrum % Technische Hochschule Darmstadt % !!! Dieses Style-File ist urheberrechtlich geschuetzt !!! % !!! Aenderungen nur mit Zustimmung der Autoren !!! \message{Option `picins' Version 3.0 Sep. 1992, TH Darmstadt/HRZ} \newbox\@BILD% \newbox\@TEXT% \newdimen\d@breite% \newdimen\d@hoehe% \newdimen\d@xoff% \newdimen\d@yoff% \newdimen\d@shad% \newdimen\d@dash% \newdimen\d@boxl% \newdimen\d@pichskip% \newdimen\d@tmp \newdimen\d@tmpa \newdimen\d@bskip \newdimen\hsiz@% \newdimen\p@getot@l% \newcount\c@breite \newcount\c@hoehe \newcount\c@xoff \newcount\c@yoff \newcount\c@pos \newcount\c@shad \newcount\c@dash \newcount\c@boxl \newcount\c@zeilen% \newcount\@changemode% \newcount\c@piccaption% \newcount\c@piccaptionpos% \newcount\c@picpos \newcount\c@whole% \newcount\c@half% \newcount\c@tmp \newcount\c@tmpa \newcount\c@tmpb \newcount\c@tmpc \newcount\c@tmpd \newskip\d@leftskip \newif\if@list \@listfalse% \newif\if@offset% \c@piccaptionpos=1% \c@picpos=0 \d@shad=4pt% \d@dash=4pt% \d@boxl=10pt% \d@pichskip=1em% \@changemode=0% \def\@captype{figure}% \let\old@par=\par% \def\pichskip#1{\d@pichskip #1\relax} \def\shadowthickness#1{\d@shad #1\relax} \def\dashlength#1{\d@dash #1\relax} \def\boxlength#1{\d@boxl #1\relax} \def\picchangemode{\@changemode=1}% \def\nopicchangemode{\@changemode=0}% \def\piccaptionoutside{\c@piccaptionpos=1}% \def\piccaptioninside{\c@piccaptionpos=2}% \def\piccaptionside{\c@piccaptionpos=3}% \def\piccaptiontopside{\c@piccaptionpos=4}% \def\piccaption{\@ifnextchar [{\@piccaption}{\@piccaption[]}} \def\@piccaption[#1]#2{\c@piccaption=1\def\sh@rtf@rm{#1}\def\capti@nt@xt{#2}} \def\make@piccaption{% \hsiz@\d@breite% \ifnum\c@piccaptionpos=2% \advance\hsiz@ -2\fboxsep% \fi% \ifnum\c@piccaptionpos>2% \hsiz@\hsize\advance\hsiz@-\d@breite\advance\hsiz@-\d@pichskip% \fi% \setbox\@TEXT=\vbox{\hsize\hsiz@\caption[\sh@rtf@rm]{\capti@nt@xt}}% } \def\newcaption{\refstepcounter\@captype\@dblarg{\@newcaption\@captype}} \long\def\@newcaption#1[#2]#3{% \old@par% \addcontentsline{\csname ext@#1\endcsname }{#1}% {\protect\numberline{\csname the#1\endcsname}{\ignorespaces #2}} \begingroup\@parboxrestore\normalsize% \@newmakecaption{\csname fnum@#1\endcsname}{\ignorespaces #3}\old@par% \endgroup% } \long\def\@newmakecaption#1#2{% \vskip 10pt% \setbox\@tempboxa \hbox {#1: #2}% \ifdim \wd\@tempboxa >\hsize% \setbox0=\hbox{#1: }\dimen0=\hsize\advance\dimen0 by-\wd0 \setbox1=\vtop{\hsize=\dimen0 #2} \hbox{\box0 \box1} \par \else \hbox to\hsize {\hfil \box \@tempboxa \hfil} \fi } \def\parpic{% \@ifnextchar ({\iparpic}{\iparpic(0pt,0pt)} } \def\iparpic(#1,#2){% \@ifnextchar ({\@offsettrue\iiparpic(#1,#2)}% {\@offsetfalse\iiparpic(#1,#2)(0pt,0pt)} } \def\iiparpic(#1,#2)(#3,#4){% \@ifnextchar [{\iiiparpic(#1,#2)(#3,#4)}{\iiiparpic(#1,#2)(#3,#4)[l]} } \def\iiiparpic(#1,#2)(#3,#4)[#5]{% \@ifnextchar [{\ivparpic(#1,#2)(#3,#4)[#5]}{\ivparpic(#1,#2)(#3,#4)[#5][]} } \def\ivparpic(#1,#2)(#3,#4)[#5][#6]#7{% \let\par=\old@par\par% \hangindent0pt\hangafter1% \setbox\@BILD=\hbox{#7}% \d@breite=#1\d@breite=\the\d@breite% \ifdim\d@breite=0pt\d@breite=\wd\@BILD\fi% \c@breite=\d@breite\divide\c@breite by65536% \multiply\c@piccaption\c@piccaptionpos% \d@hoehe=#2\d@hoehe=\the\d@hoehe% \ifdim\d@hoehe=0pt\d@hoehe=\ht\@BILD\advance\d@hoehe by\dp\@BILD\fi% \c@hoehe=\d@hoehe\divide\c@hoehe by65536% \d@xoff=#3\c@xoff=\d@xoff\divide\c@xoff by65536% \d@yoff=\d@hoehe% \advance\d@yoff by-#4\c@yoff=\d@yoff\divide\c@yoff by65536% \c@pos=1\unitlength1pt% \if@offset% \setbox\@BILD=\hbox{% \begin{picture}(\c@breite,\c@hoehe)% \put(0,0){\makebox(\c@breite,\c@hoehe){}}% \put(\c@xoff,\c@yoff){\box\@BILD}% \end{picture}% }% \else% \setbox\@BILD=\hbox{% \begin{picture}(\c@breite,\c@hoehe)% \put(0,0){\makebox(\c@breite,\c@hoehe)[#6]{\box\@BILD}}% \end{picture}% }% \fi% \ifnum\c@piccaption=2% \make@piccaption% \advance\d@hoehe\ht\@TEXT\advance\d@hoehe\dp\@TEXT% \c@hoehe=\d@hoehe\divide\c@hoehe by65536% \setbox\@BILD=\vbox{\box\@BILD\vspace{-5pt}% \hbox{\hspace{\fboxsep}\box\@TEXT}% \vspace{4pt}}% \fi% \@tfor\@tempa := #5\do{% \if\@tempa f\setbox\@BILD=\hbox{\Rahmen(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa s\setbox\@BILD=\hbox{\Schatten(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa o\setbox\@BILD=\hbox{\Oval(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa d\setbox\@BILD=\hbox{\Strich(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa x\setbox\@BILD=\hbox{\Kasten(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa l\c@pos=1\fi% \if\@tempa r\c@pos=2\fi% }% \ifnum\c@piccaption=1% \make@piccaption% \advance\d@hoehe\ht\@TEXT\advance\d@hoehe\dp\@TEXT% \c@hoehe=\d@hoehe\divide\c@hoehe by65536% \setbox\@BILD=\vbox{\box\@BILD\vspace{-5pt}\hbox{\box\@TEXT}\vspace{4pt}}% \fi% \ifodd\count0\c@picpos=0\else\c@picpos=\@changemode\fi% \pagetotal=\the\pagetotal% \d@tmp=\pagegoal\advance\d@tmp by-\pagetotal\advance\d@tmp by-\baselineskip% \ifdim\d@hoehe>\d@tmp% \vskip 0pt plus\d@hoehe\relax\pagebreak[3]\vskip 0pt plus-\d@hoehe\relax% \ifnum\c@picpos=1\c@picpos=0\else\c@picpos=\@changemode\fi% \fi% \ifnum\c@picpos=1\ifnum\c@pos=1\c@pos=2\else\c@pos=1\fi\fi% \ifnum\@listdepth>0 \@listtrue\parshape 0% \advance\hsize -\rightmargin% \d@leftskip \leftskip% \leftskip \@totalleftmargin% \if@inlabel\rule{\linewidth}{0pt}\vskip-\baselineskip\relax\fi% \else\@listfalse\medskip% \fi% \if@list\d@tmpa=\linewidth\else\d@tmpa=\hsize\fi% \ifnum\c@piccaption=3% \make@piccaption% \d@tmp\ht\@TEXT\advance\d@tmp\dp\@TEXT% \ifdim\d@hoehe>\d@tmp% \setbox\@TEXT=\vbox to\d@hoehe{\vfill\box\@TEXT\vspace{.2\baselineskip}\vfill}% \else% \setbox\@BILD=\vbox to\d@tmp{\vfill\box\@BILD\vfill}% \d@hoehe\d@tmp% \fi% \fi% \ifnum\c@piccaption=4% \make@piccaption% \d@tmp\ht\@TEXT\advance\d@tmp\dp\@TEXT% \setbox\@TEXT=\vbox to\d@hoehe{\vspace{-10pt}\box\@TEXT\vfil}% \advance\d@hoehe-\d@tmp% \fi% \ifnum\c@pos=1\d@tmpa=0pt% \ifnum\c@piccaption>2% \setbox\@BILD=\hbox{\box\@BILD\hspace{\d@pichskip}\hbox{\box\@TEXT}}% \fi% \else\advance\d@tmpa by-\wd\@BILD\d@breite=-\d@breite% \ifnum\c@piccaption>2% \d@tmpa=0pt% \setbox\@BILD=\hbox{\hbox{\box\@TEXT}\hspace{\d@pichskip}\box\@BILD}% \fi% \fi% \p@getot@l\the\pagetotal% \d@bskip\d@hoehe\advance\d@bskip by\parskip\advance\d@bskip by.3\baselineskip% {\noindent\hspace*{\d@tmpa}\relax% \box\@BILD\nopagebreak\vskip-\d@bskip\relax\nopagebreak}% \d@tmp=-\d@hoehe\divide\d@tmp by\baselineskip% \c@zeilen=\d@tmp\advance\c@zeilen by-1% \ifdim\d@breite<0pt\advance\d@breite by-\d@pichskip% \else\advance\d@breite by\d@pichskip% \fi% \hangindent=\d@breite% \hangafter=\c@zeilen% \let\par=\x@par% \ifnum\c@piccaption=3% \hangindent0pt\hangafter1\let\par=\old@par% \vskip\d@hoehe\vskip.2\baselineskip% \fi% \c@piccaption=0% } \newdimen\ptoti \newdimen\ptotii \def\x@par{% \ptoti\pagetotal% \old@par% \ptotii\pagetotal% \ifdim\ptoti=\ptotii% \d@tmp\d@hoehe% \else% \d@tmp\baselineskip% \multiply\d@tmp by\prevgraf% \advance\d@tmp by\parskip% \global\advance\d@hoehe by-\d@tmp\d@tmp=\d@hoehe% \fi% \ifdim\d@hoehe>0pt% \divide\d@tmp by\baselineskip\c@zeilen=-\d@tmp\advance\c@zeilen by-1% \c@zeilen=\the\c@zeilen% \else\c@zeilen=0 \fi \ifnum\c@zeilen<0\hangafter=\c@zeilen\hangindent=\d@breite% \else\let\par=\old@par% \hangindent 0pt% \leftskip \d@leftskip% \if@list\parshape \@ne \@totalleftmargin \linewidth% \advance\hsize \rightmargin% \fi% \fi% } \def\picskip#1{% \let\par=\old@par% \par% \pagetotal\the\pagetotal% \c@tmp=#1\relax% \ifnum\c@tmp=0% \d@tmp\baselineskip\multiply\d@tmp by\prevgraf\advance\d@tmp\parskip% \ifdim\p@getot@l<\pagetotal \advance\d@hoehe by-\d@tmp\advance\d@hoehe by1ex% \ifdim\d@hoehe>0pt\vspace*{\d@hoehe}\fi% \fi% \ifdim\p@getot@l=\pagetotal% \advance\d@hoehe by-\d@tmp\advance\d@hoehe by1ex% \ifdim\d@hoehe>0pt\vspace*{\d@hoehe}\fi% \fi% \else\hangafter=-\c@tmp\hangindent=\d@breite% \fi% \leftskip \d@leftskip% \if@list\parshape \@ne \@totalleftmargin \linewidth% \advance\hsize \rightmargin% \fi% } \def\hpic{% \@ifnextchar ({\ihpic}{\ihpic(0pt,0pt)} } \def\ihpic(#1,#2){% \@ifnextchar ({\@offsettrue\iihpic(#1,#2)}% {\@offsetfalse\iihpic(#1,#2)(0pt,0pt)} } \def\iihpic(#1,#2)(#3,#4){% \@ifnextchar [{\iiihpic(#1,#2)(#3,#4)}{\iiihpic(#1,#2)(#3,#4)[l]} } \def\iiihpic(#1,#2)(#3,#4)[#5]{% \@ifnextchar [{\ivhpic(#1,#2)(#3,#4)[#5]}{\ivhpic(#1,#2)(#3,#4)[#5][]} } \def\ivhpic(#1,#2)(#3,#4)[#5][#6]#7{% \setbox\@BILD=\hbox{#7}% \d@breite=#1\d@breite=\the\d@breite% \ifdim\d@breite=0pt\d@breite=\wd\@BILD\fi% \c@breite=\d@breite\divide\c@breite by65536% \d@hoehe=#2\d@hoehe=\the\d@hoehe% \ifdim\d@hoehe=0pt\d@hoehe=\ht\@BILD\advance\d@hoehe by\dp\@BILD\fi% \c@hoehe=\d@hoehe\divide\c@hoehe by65536% \d@xoff=#3\c@xoff=\d@xoff\divide\c@xoff by65536% \d@yoff=\d@hoehe% \advance\d@yoff by-#4\c@yoff=\d@yoff\divide\c@yoff by65536% \c@pos=0\d@tmpa=\parindent\parindent=0pt\unitlength1pt% \if@offset \setbox\@BILD=\hbox{% \begin{picture}(\c@breite,\c@hoehe)% \put(0,0){\makebox(\c@breite,\c@hoehe){}}% \put(\c@xoff,\c@yoff){\box\@BILD}% \end{picture}% }% \else% \setbox\@BILD=\hbox{% \begin{picture}(\c@breite,\c@hoehe)% \put(0,0){\makebox(\c@breite,\c@hoehe)[#6]{\box\@BILD}}% \end{picture}% }% \fi% \@tfor\@tempa := #5\do{% \if\@tempa f\setbox\@BILD=\hbox{\Rahmen(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa s\setbox\@BILD=\hbox{\Schatten(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa o\setbox\@BILD=\hbox{\Oval(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa d\setbox\@BILD=\hbox{\Strich(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa x\setbox\@BILD=\hbox{\Kasten(\c@breite,\c@hoehe){\box\@BILD}}\fi% \if\@tempa t\c@pos=1\fi% \if\@tempa b\c@pos=2\fi% }% \ifnum\c@pos=0\parbox{\d@breite}{\makebox[0cm]{}\\\box\@BILD\smallskip}\fi% \ifnum\c@pos=1\parbox[t]{\d@breite}{\makebox[0cm]{}\\\box\@BILD\smallskip}\fi% \ifnum\c@pos=2\parbox[b]{\d@breite}{\makebox[0cm]{}\\\box\@BILD\smallskip}\fi% \parindent=\d@tmpa% } \def\Rahmen(#1,#2)#3{% \c@whole=\@wholewidth\divide\c@whole by65536% \c@half=\@halfwidth\divide\c@half by65536% \c@tmpa=#1\advance\c@tmpa by\c@whole\advance\c@tmpa by\c@whole% \c@tmpb=#2\advance\c@tmpb by\c@whole\advance\c@tmpb by\c@whole% \begin{picture}(\c@tmpa,\c@tmpb)% \put(\c@whole,\c@half){\framebox(#1,#2){#3}}% \end{picture}% \global\advance\d@breite by2\@wholewidth% \global\advance\d@hoehe by2\@wholewidth% } \def\Schatten(#1,#2)#3{% \c@whole=\@wholewidth\divide\c@whole by65536% \c@half=\@halfwidth\divide\c@half by65536% \c@shad=\d@shad\divide\c@shad by65536% \c@tmp=\c@whole\advance\c@tmp by\c@whole\c@tmpd=\c@tmp% \advance\c@tmp by\c@shad% \advance\c@tmpd by#1% \advance\c@half by\c@shad% \c@tmpa=#1\advance\c@tmpa by\c@tmp% \c@tmpb=#2\advance\c@tmpb by\c@tmp% \begin{picture}(\c@tmpa,\c@tmpb)% \put(\c@whole,\c@half){\framebox(#1,#2){#3}}% \put(\c@shad,0){\rule{\c@tmpd pt}{\c@shad pt}}% \put(\c@tmpd,0){\rule{\c@shad pt}{#2 pt}}% \end{picture}% \global\advance\d@breite by2\@wholewidth\global\advance\d@breite by\d@shad% \global\advance\d@hoehe by2\@wholewidth\global\advance\d@hoehe by\d@shad% } \def\Oval(#1,#2)#3{% \@wholewidth=0.4pt% \c@tmpa=\the#1\divide\c@tmpa by2% \c@tmpb=\the#2\divide\c@tmpb by2% \begin{picture}(#1,#2)% \put(\c@tmpa,\c@tmpb){\oval(#1,#2)}% \put(0.4,0.4){#3}% \end{picture}% \global\advance\d@breite by1pt\global\advance\d@hoehe by1pt% } \def\Strich(#1,#2)#3{% \c@whole=\@wholewidth\divide\c@whole by65536% \c@half=\@halfwidth\divide\c@half by65536% \c@dash=\d@dash\divide\c@dash by65536% \c@tmp=\c@whole\advance\c@tmp by\c@whole% \c@tmpa=#1\advance\c@tmpa by\c@tmp% \c@tmpb=#2\advance\c@tmpb by\c@tmp% \c@tmpc=#1\advance\c@tmpc by\c@whole% \c@tmpd=#2\advance\c@tmpd by\c@whole% \begin{picture}(\c@tmpa,\c@tmpb)% \put(\c@half,\c@half){\dashbox{\c@dash}(\c@tmpc,\c@tmpd){#3}}% \end{picture}% \global\advance\d@breite by2\@wholewidth% \global\advance\d@hoehe by2\@wholewidth% } \def\Kasten(#1,#2)#3{% \@wholewidth=0.4pt% \c@boxl=\d@boxl\divide\c@boxl by65536\c@boxl=\the\c@boxl% \c@tmpa=#1\advance\c@tmpa by\c@boxl% \c@tmpb=#2\advance\c@tmpb by\c@boxl% \c@tmp=#2% \begin{picture}(\c@tmpa,\c@tmpb)% \put(0,\c@boxl){\framebox(#1,#2){#3}}% \put(\c@boxl,0){\line(-1,1){\c@boxl}}% \put(\c@boxl,0){\line(1,0){#1}\line(-1,1){\c@boxl}}% \put(\c@boxl,0){\put(#1,0){\line(0,1){\c@tmp}% \put(0,\c@tmp){\line(-1,1){\c@boxl}}}}% \end{picture}% \global\advance\d@breite by\d@boxl% \global\advance\d@hoehe by\d@boxl% } \newbox\env@box% \newdimen\d@envdp \newcount\c@hsize \newcount\c@envdp \newdimen\d@envb \long\def\frameenv{\@ifnextchar [{\@frameenv}{\@frameenv[\textwidth]}} \long\def\@frameenv[#1]{% \hsiz@=\textwidth \textwidth=#1 \d@envb=#1 \advance\textwidth by-2\@wholewidth \advance\textwidth by-2\fboxsep \hsize=\textwidth \linewidth=\textwidth \setbox\env@box=\vbox\bgroup}% \def\endframeenv{% \egroup% \hsize=\hsiz@ \textwidth=\hsiz@ \linewidth=\hsiz@ \c@breite=\d@envb \divide\c@breite by65536 \advance\d@envb by-2\@wholewidth \c@hsize=\d@envb \divide\c@hsize by65536% \d@envdp=\dp\env@box \advance\d@envdp by\ht\env@box% \advance\d@envdp by2\fboxsep% \d@hoehe=\d@envdp \advance\d@hoehe by2\@wholewidth \c@hoehe=\d@hoehe \divide\c@hoehe by65536 \c@envdp=\d@envdp \divide\c@envdp by65536% \c@tmp=\@wholewidth \divide\c@tmp by65536 \vskip\@wholewidth% \unitlength 1pt\noindent% \begin{picture}(\c@breite,\c@hoehe)(0,0) \put(\c@tmp,\c@tmp){\framebox(\c@hsize,\c@envdp){\box\env@box}} \end{picture}% } \long\def\shadowenv{\@ifnextchar [{\@shadowenv}{\@shadowenv[\textwidth]}} \long\def\@shadowenv[#1]{% \hsiz@=\textwidth \textwidth=#1 \d@envb=#1 \advance\textwidth by-2\@wholewidth \advance\textwidth by-2\fboxsep \advance\textwidth by-\d@shad% \hsize=\textwidth \linewidth=\textwidth \setbox\env@box=\vbox\bgroup}% \def\endshadowenv{% \egroup \hsize=\hsiz@ \textwidth=\hsiz@ \linewidth=\hsiz@ \d@tmpa=\d@envb \c@breite=\d@envb \divide\c@breite by65536 \advance\d@envb by-2\@wholewidth \advance\d@envb by-\d@shad \c@hsize=\d@envb \divide\c@hsize by65536% \d@envdp=\dp\env@box \advance\d@envdp by\ht\env@box% \advance\d@envdp by2\fboxsep% \c@envdp=\d@envdp \divide\c@envdp by65536% \d@hoehe=\d@envdp \advance\d@hoehe by2\@wholewidth \advance\d@hoehe by\d@shad \c@hoehe=\d@hoehe \divide\c@hoehe by65536 \c@shad =\d@shad \divide\c@shad by65536 \c@tmp=\@wholewidth \divide\c@tmp by65536 \advance\d@tmpa by-2\d@shad \c@xoff =\d@tmpa \divide\c@xoff by65536 \advance\c@xoff by\c@shad \advance\c@xoff by-1 \advance\d@envdp by\@wholewidth \vskip\@halfwidth \unitlength 1pt\noindent% \begin{picture}(\c@breite,\c@hoehe)(0,0) \put(\c@tmp,\c@shad){\framebox(\c@hsize,\c@envdp){\box\env@box}} \put(\c@shad,0){\rule{\d@tmpa}{\d@shad}}% \put(\c@xoff,0){\rule{\d@shad}{\d@envdp}}% \end{picture}% \vskip\@halfwidth } \long\def\dashenv{\@ifnextchar [{\@dashenv}{\@dashenv[\textwidth]}} \long\def\@dashenv[#1]{% \hsiz@=\textwidth \textwidth=#1 \d@envb=#1 \advance\textwidth by-2\@wholewidth \advance\textwidth by-2\fboxsep \hsize=\textwidth \linewidth=\textwidth \setbox\env@box=\vbox\bgroup}% \long\def\enddashenv{% \egroup \hsize=\hsiz@ \textwidth=\hsiz@ \linewidth=\hsiz@ \c@breite=\d@envb \divide\c@breite by65536 \advance\d@envb by-\@wholewidth \c@hsize=\d@envb \divide\c@hsize by65536% \d@envdp=\dp\env@box \advance\d@envdp by\ht\env@box% \advance\d@envdp by2\fboxsep% \advance\d@envdp by\@wholewidth \d@hoehe=\d@envdp \advance\d@hoehe by2\@wholewidth \c@hoehe=\d@hoehe \divide\c@hoehe by65536 \c@envdp=\d@envdp \divide\c@envdp by65536% \c@dash=\d@dash \divide\c@dash by65536% \c@whole=\@wholewidth \divide\c@whole by65536 \c@half=\@halfwidth \divide\c@half by 65536 \noindent\unitlength 1pt \begin{picture}(\c@breite,\c@hoehe)(0,0) \put(\c@half,\c@whole){\dashbox{\c@dash}(\c@hsize,\c@envdp){\box\env@box}} \end{picture}% } \long\def\ovalenv{\@ifnextchar [{\@ovalenv}{\@ovalenv[\textwidth]}}% \long\def\@ovalenv[#1]{% \hsiz@=\textwidth \textwidth=#1 \d@envb=#1 \advance\textwidth by-4\fboxsep \hsize=\textwidth \linewidth=\textwidth \setbox\env@box=\vbox\bgroup}% \long\def\endovalenv{% \egroup \hsize=\hsiz@ \textwidth=\hsiz@ \linewidth=\hsiz@ \@wholewidth=0.4pt \c@breite=\d@envb \divide\c@breite by65536 \advance\d@envb by-2\@wholewidth \c@hsize=\d@envb \divide\c@hsize by65536% \d@envdp=\dp\env@box \advance\d@envdp by\ht\env@box% \advance\d@envdp by4\fboxsep% \c@envdp=\d@envdp \divide\c@envdp by65536% \d@hoehe=\d@envdp \advance\d@hoehe by2\@wholewidth \c@hoehe=\d@hoehe \divide\c@hoehe by65536 \c@tmpa=\c@hsize \divide\c@tmpa by2% \c@tmpb=\c@envdp \divide\c@tmpb by2% \d@tmpa=2\fboxsep \advance\d@tmpa by\@wholewidth \c@xoff=\d@tmpa \divide\c@xoff by65536% \advance\d@tmpa by\dp\env@box \c@yoff=\d@tmpa \divide\c@yoff by65536% \unitlength 1pt\noindent \begin{picture}(\c@breite,\c@hoehe)(0,0) \put(\c@tmpa,\c@tmpb){\oval(\c@hsize,\c@envdp)} \put(\c@xoff,\c@yoff){\box\env@box}% \end{picture}% }