floatflt.sty

%%
%% This is file `floatflt.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% floatflt.dtx  (with options: `paketkod')
%% 
%% Copyright (c) 1994-1998 by Mats Dahlgren <matsd@sssk.se>.
%% All rights reserved.  See the file `floatflt.ins' for information
%% on how you may (re-)distribute the `floatflt' package files.
%% You are not allowed to make any changes to this file without
%% explicit permission from the author.
%% 
\NeedsTeXFormat{LaTeX2e}[1996/12/01]
\ProvidesPackage{floatflt}[1997/07/16 v. 1.31]
\newcounter{OptionTest}
\setcounter{OptionTest}{0}
\DeclareOption{rflt}{\setcounter{OptionTest}{1}}
\DeclareOption{lflt}{\setcounter{OptionTest}{2}}
\DeclareOption{vflt}{\setcounter{OptionTest}{0}}
\DeclareOption*{\OptionNotUsed}
\ProcessOptions
\newbox\figbox
\newbox\tabbox
\newbox\pagebox
\newcount\ffigcount
\newcount\ftabcount
\newcount\fftest
\newcount\hangcount
\newcount\nosuccesstryfig
\newcount\nosuccesstrytab
\newdimen\figgutter   \figgutter=1truepc
\newdimen\tabgutter   \tabgutter=1truepc
\newdimen\htdone      \htdone=0pt
\newdimen\pageht
\newdimen\startpageht
\newdimen\tabbredd
\newdimen\floatfltwidth
\newdimen\fltitemwidth
\newif\iftryingfig     \tryingfigfalse
\newif\iftryingtab     \tryingtabfalse
\newif\ifdoingfig      \doingfigfalse
\newif\ifdoingtab      \doingtabfalse
\newif\iffigprocessing \figprocessingfalse
\newif\iftabprocessing \tabprocessingfalse
\newif\ifpageafterfig  \pageafterfigfalse
\newif\ifpageaftertab  \pageaftertabfalse
\newif\ifoddpages
\newif\ifoutput
\newtoks\outputpretest
\newenvironment{floatingfigure}[2][v]%
{\@tfor \@tempa :=#1\do
         {\if\@tempa r\global\oddpagestrue\fi
          \if\@tempa l\global\oddpagesfalse\fi
          \if\@tempa p%
              \ifodd\c@page\global\oddpagestrue
                \else\global\oddpagesfalse\fi
          \fi
          \if\@tempa v%
             \ifnum\theOptionTest=0
                 \ifodd\c@page\global\oddpagestrue
                   \else\global\oddpagesfalse\fi
             \else
                  \ifodd\theOptionTest\global\oddpagestrue
                    \else\global\oddpagesfalse\fi
             \fi
          \fi
         }
 \expandafter\ifx\csname oldoutput\endcsname\relax% ref. TeXbook Ex.7.7
    \PackageError{floatflt}{The `floatflt' package is not initialized}
     {Try to reinstall the `floatflt' package.\MessageBreak
      Type `x' to quit or <Return> to try to go on.}\@@end\fi
 \global\everypar={\tryfig\oldeverypar}% must be set globally!
 \global\advance\ffigcount by 1
 \iffigprocessing
    {\count0=\ffigcount\advance\count0 by -1
     \PackageWarningNoLine{floatflt}{Floating figures \the\count0\space%
       \space and \the\ffigcount\space colliding}%
    }%
 \fi
 \iftabprocessing \PackageWarningNoLine{floatflt}{Floating figure %
   \the\ffigcount\space and floating table \the\ftabcount\space colliding}
 \fi
 \def\@captype{figure}
 \global\setlength{\floatfltwidth}{#2}
 \global\figprocessingtrue
 \global\setbox\figbox=\vbox\bgroup% begin of figbox
                               \hrule height 0pt width #2 depth 0pt%
                               \hsize=#2%
}
{
\egroup
\figinsert\par%
}
\newenvironment{floatingtable}[2][v]%
{\@tfor \@tempa :=#1\do
         {\if\@tempa r\global\oddpagestrue\fi
          \if\@tempa l\global\oddpagesfalse\fi
          \if\@tempa p%
              \ifodd\c@page\global\oddpagestrue
                \else\global\oddpagesfalse\fi
          \fi
          \if\@tempa v%
             \ifnum \theOptionTest=0
                 \ifodd\c@page\global\oddpagestrue
                   \else\global\oddpagesfalse\fi
             \else
                  \ifodd\theOptionTest\global\oddpagestrue
                    \else\global\oddpagesfalse\fi
             \fi
          \fi
         }
\expandafter\ifx\csname oldoutput\endcsname\relax% ref. TeXbook Ex.7.7
     \PackageError{floatflt}{The `floatflt' package is not initialized}
     {Try to reinstall the `floatflt' package.\MessageBreak
      Type `x' to quit or <Return> to try to go on.}\@@end\fi
\global\setbox\tabbox=\vbox\bgroup\hrule height 0pt width 0pt depth 0pt%
   \hsize=0pt\egroup
 \global\everypar={\trytab\oldeverypar}
 \global\advance\ftabcount by 1
 \iftabprocessing
    {\count0=\ftabcount\advance\count0 by -1
     \PackageWarningNoLine{floatflt}{Floating tables \the\count0\space%
            \space and \the\ftabcount \space colliding}%
    }
 \fi
 \iftabprocessing \PackageWarningNoLine{floatflt}{Floating table %
   \the\ffigcount\space and floating figure \the\ftabcount\space colliding}
 \fi
 \settowidth{\tabbredd}{#2}
 \global\setlength{\floatfltwidth}{\tabbredd}
 \def\@captype{table}
 \global\tabprocessingtrue
 \global\setbox\tabbox=\vbox\bgroup% begin of tabbox
                              \hrule height 0pt width\tabbredd depth 0pt%
                               \hsize=\tabbredd
\noindent\ifnum\ftabcount >1\ifoddpages\else\hspace*{-12pt}\fi\fi%
#2\vspace{0.2\baselineskip}%
}
{
\egroup% end of \tabbox
\tabinsert\par%
}
\AtBeginDocument{%
\edef\oldoutput{\the\output}%
\output={\the\outputpretest%
           \ifoutput\oldoutput\fi}
\outputpretest={\outputtrue}
\edef\oldeverypar{\the\everypar}
}
\def\dofigtest{%
   \ifnum\outputpenalty=-10005
     \setbox\pagebox=\vbox{\unvbox255}%
     \global\pageht=\ht\pagebox
     \global\outputfalse
     \unvbox\pagebox
   \else
     \global\outputtrue
     \ifdoingfig
         \global\pageafterfigtrue
     \fi
   \fi}%
\def\dotabtest{%
   \ifnum\outputpenalty=-10005
     \setbox\pagebox=\vbox{\unvbox255}%
     \global\pageht=\ht\pagebox
     \global\outputfalse
     \unvbox\pagebox
   \else
     \global\outputtrue
     \ifdoingtab
         \global\pageaftertabtrue
     \fi
   \fi}%
\def\tryfig{%
      \iftryingfig
       {\everypar={\relax}\setbox0=\lastbox%
       \parindent=\wd0 \parskip=0pt \par%
       \penalty-10005 \leavevmode}%
       \dimen0=\vsize%
       \advance\dimen0 by -\pageht%
       \advance\dimen0 by -2\baselineskip%
       \ifdim\dimen0>\ht\figbox%
         \dimen0=0.3\baselineskip
         \vrule depth \dimen0 width 0pt
         \vadjust{\kern -\dimen0%
         \vtop to \dimen0{%
             \baselineskip=\dimen0%
             \vss \vbox to 1ex{%
             \ifoddpages%
               \hbox to \hsize{\hss\copy\figbox}%
             \else% leftsetting
               \hbox to \hsize{\copy\figbox\hss}%
             \fi% \ifodd\count0
             \vss}\null}}%
       \global\tryingfigfalse%
       \global\doingfigtrue
       \global\startpageht=\pageht
       \global\htdone=0pt
       \dohangf
       \ifnum\nosuccesstryfig>0%
         \typeout{floatflt Message: Flt. fig. \the\ffigcount\space set on page
             \the\count0, shifted \the\nosuccesstryfig\space par(s) forward.}%
       \else
         \typeout{Package floatflt Message: Floating figure \the\ffigcount
              \space set on page \the\count0}%
       \fi
     \else
       \global\advance\nosuccesstryfig by 1
     \fi
     \else%
     \ifdoingfig
       {\everypar={\relax}\setbox0=\lastbox
       \parindent=\wd0 \parskip=0pt \par
         \penalty-10005 \leavevmode}%
    \global\htdone=\pageht
    \global\advance\htdone by -\startpageht
    \ifpageafterfig
      \global\doingfigfalse
    \else
      \dimen0=\ht\figbox%
      \advance\dimen0 by 0.5\baselineskip%
      \ifdim\htdone<\dimen0%
         \dohangf
      \else
         \global\doingfigfalse
      \fi
    \fi
    \ifdoingfig\relax\else\global\figprocessingfalse\fi
  \else
    \global\outputpretest={\outputtrue}%
  \fi
\fi
}
\def\trytab{%
      \iftryingtab%
       {\everypar={\relax}\setbox0=\lastbox%
       \parindent=\wd0 \parskip=0pt \par%
       \penalty-10005 \leavevmode}%
       \dimen0=\vsize%
       \advance\dimen0 by -\pageht%
       \advance\dimen0 by -2\baselineskip%
       \ifdim\dimen0>\ht\tabbox%
         \dimen0=0.3\baselineskip
         \vrule depth \dimen0 width 0pt
         \vadjust{\kern -\dimen0%
         \vtop to \dimen0{%
             \baselineskip=\dimen0%
             \vss \vbox to 1ex{%
              \ifoddpages%
               \hbox to \hsize{\hss\copy\tabbox}%
             \else% leftsetting
               \hbox to \hsize{\copy\tabbox\hss}%
             \fi% \ifodd\count0
             \vss}\null}}%
       \global\tryingtabfalse%
       \global\doingtabtrue
       \global\startpageht=\pageht
       \global\htdone=0pt
       \dohangt
       \ifnum\nosuccesstrytab>0%
         \typeout{floatflt Message: Flt. tab. \the\ftabcount\space set on page
             \the\count0, shifted \the\nosuccesstrytab\space par(s) forward.}%
       \else
         \typeout{Package floatflt Message: Floating table \the\ftabcount\space
                  set on page \the\count0}%
       \fi
     \else
       \global\advance\nosuccesstrytab by 1
     \fi
     \else
     \ifdoingtab
       {\everypar={\relax}\setbox0=\lastbox
       \parindent=\wd0 \parskip=0pt \par
         \penalty-10005 \leavevmode}%
    \global\htdone=\pageht
    \global\advance\htdone by -\startpageht
    \ifpageaftertab
      \global\doingtabfalse
    \else
      \dimen0=\ht\tabbox%
      \advance\dimen0 by 0.5\baselineskip%
      \ifdim\htdone<\dimen0%
         \dohangt
      \else
         \global\doingtabfalse
      \fi
    \fi
    \ifdoingtab\relax\else\global\tabprocessingfalse\fi
  \else
    \global\outputpretest={\outputtrue}%
  \fi
\fi
}
\def\figinsert{%
   \global\nosuccesstryfig=0%
   \global\outputpretest={\dofigtest}%
   \global\tryingfigtrue \global\doingfigfalse%
   \global\pageafterfigfalse}%
\def\tabinsert{%
   \global\nosuccesstrytab=0%
   \global\outputpretest={\dotabtest}%
   \global\tryingtabtrue \global\doingtabfalse%
   \global\pageaftertabfalse}%
\def\dohangf{%
   \dimen0=\ht\figbox%
   \advance\dimen0 by -\htdone%
   \advance\dimen0 by 1.49\baselineskip%
   \hangcount=\dimen0%
   \divide\hangcount by \baselineskip%
   \dimen0=\wd\figbox%
   \advance\dimen0 by \figgutter%
   \ifoddpages%
     \global\hangafter=-\hangcount% placing right
     \global\hangindent=-\dimen0%
   \else% \ifleftsetting
     \global\hangafter=-\hangcount% placing left
     \global\hangindent=\dimen0%
   \fi
}
\def\dohangt{%
   \dimen0=\ht\tabbox%
   \advance\dimen0 by -\htdone%
   \advance\dimen0 by 1.49\baselineskip%
   \hangcount=\dimen0%
   \divide\hangcount by \baselineskip%
   \dimen0=\wd\tabbox%
   \advance\dimen0 by \tabgutter%
   \ifoddpages%
     \global\hangafter=-\hangcount% placing right
     \global\hangindent=-\dimen0%
   \else% \ifleftsetting
     \global\hangafter=-\hangcount% placing left
     \global\hangindent=\dimen0%
   \fi
}
\newcommand{\fltitem}[2][0pt]{\setlength{\fltitemwidth}{\linewidth}%
  \addtolength{\fltitemwidth}{-\floatfltwidth}%
  \addtolength{\fltitemwidth}{-0.5em}%
  \item \parbox[t]{\fltitemwidth}{#2}\\[#1]}
\newcommand{\fltditem}[3][0pt]{\setlength{\fltitemwidth}{\linewidth}%
  \addtolength{\fltitemwidth}{-\floatfltwidth}%
  \addtolength{\fltitemwidth}{-0.5em}%
  \item[#2] \parbox[t]{\fltitemwidth}{#3}\\[#1]}
\endinput
%%
%% End of file `floatflt.sty'.