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%% midfloat.sty
%% Copyright 1997 Sigitas Tolu\v sis
%% VTeX Ltd., Akademijos 4, Vilnius, Lithuania
%% e-mail sigitas@vtex.lt
%% http://www.vtex.lt/tex/download/macros/
%%
% This program can redistributed and/or modified under the terms
% of the LaTeX Project Public License Distributed from CTAN
% archives in directory macros/latex/base/lppl.txt; either
% version 1 of the License, or (at your option) any later version.
%
% PURPOSE: Insert some material in full-width on double-column page.
%
% SHORT DESCRIPTION:
%
% It is denoted to place some material (from the left column)
% in full-width at any place (but not at the top) on double-column
% page (\twocolumn mode). Existing text remains as it was before
% insert. Placement is restricted to one page. (It is some kind of
% dbfloat intext).
%
% Provides new environment:
%
% \begin{strip}[#1/#2] ... \end{strip}
% -----------------------------
%
% Puts \vbox{...} in full-width on double-column page.
% Parameters #1 and #2 are optional.
% By default #1=0pt and #2=0pt.
% The material on the right column under strip is stretched down
% by #1 and below strip is moved down by #2.
%
% It can be problems with floats and footnotes. In the case of
% problems with footnotes it is possible to correct the situation
% using commands \footnotemark and \footnotetext.
%
% \changes{1997/10/01}{some names}
%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{midfloat}[1997/10/01]
%
\newif\if@vihproof \@vihprooftrue
\newtoks\juo@sar \juo@sar={}
\def\@ca#1#2#3#4{}
\@ifundefined{stripsep}{\newskip\stripsep\stripsep 15pt}{}
%
\newskip\m@addvipersep
\m@addvipersep\z@
\newskip\c@addvipersep
\c@addvipersep\z@
\newdimen\ht@strip
\newdimen\right@cor
\newdimen\cor@height \cor@height=0pt
\newdimen\juo@pr
\newdimen\juo@ht
\newbox\@viper
\newcount\juo@sk
\newdimen\c@colht
\newbox\@rightcolumn
\def\add@strip#1#2#3#4{\begingroup%
\xdef\ex@{\global\noexpand\juo@sar{\the\juo@sar\noexpand\@ca{#1}{#2}{#3}{#4}}}\ex@%
\endgroup}
\def\remove@strip#1{\ifx#1\@empty\global\juo@sk=0\else
\global\advance\juo@sk by-1\expandafter\next@item\the #1\@@#1\fi}
\def\next@item \@ca #1#2#3#4#5\@@#6{\global #6={#5}\global\juo@pr=#1\global\juo@ht=#2%
\global\cor@height=#3\global\m@addvipersep=#4}
\def\strip{\@ifnextsymb[{\@strip}{\@strip[0pt/0pt]}}
\def\@strip[#1/#2]{\global\@tempdima=#1\global\@tempdimb=#2%
\global \setbox\@viper\vbox\bgroup%
\hsize\textwidth
\@parboxrestore
\col@number \@ne
\vrule height\topskip width0pt depth0pt
}
\def\endstrip{%
\egroup
\if@firstcolumn
\ifdim\pagetotal>\z@
\vskip\stripsep
\global\ht@strip\pagegoal
\global\advance\ht@strip by-\pagetotal
\global\advance\ht@strip by-\stripsep
\global\advance\ht@strip by-\ht\@viper
\global\advance\ht@strip by-\stripsep
\global\juo@ht=\ht\@viper
\else
\global\ht@strip\z@
\fi
\ifdim\ht@strip>\z@
\unvbox\@viper
\vskip\stripsep
\add@strip{\the\pagetotal}{\the\juo@ht}{\the\@tempdima}{\the\@tempdimb}%
\global\advance\juo@sk by1
\else
\@latex@error{Strip needs more place!}\@ehc
\if@vihproof
\framebox[\columnwidth]{??? Strip ???}%
\fi
\fi
\else
\@latex@error{Strip is used only on left column!}\@ehc
\if@vihproof
\framebox[\columnwidth]{??? Strip ???}%
\fi
\fi
}
\def\@outputdblcol{%
\if@firstcolumn
\global \@firstcolumnfalse
\global \setbox\@leftcolumn \box\@outputbox
\global\c@colht\@colht\global\c@addvipersep\z@
\ifnum\juo@sk>0
\remove@strip\juo@sar
\global\@colht\the\juo@pr
\ifdim\right@cor>\z@
\global\advance\@colht by\right@cor
\fi
\global\advance\@colht by\cor@height
\global\cor@height=0pt
\fi
\global \setbox\@rightcolumn \vbox{}%
\else
\ifdim\c@colht>\@colht
\@tempdima\@colht
\ifdim\@colht>\z@
\global\setbox\@rightcolumn \vbox{%
\unvbox\@rightcolumn
\vbox to\@tempdima{%
\vskip\c@addvipersep\unvbox\@outputbox}%
\vskip\stripsep
\vrule height\the\juo@ht width 0pt depth 0pt
\vskip\stripsep
}%
\global\c@addvipersep\m@addvipersep
\else
\global\setbox\@rightcolumn \vbox{%
\unvbox\@rightcolumn
\vrule height\the\juo@ht width 0pt depth 0pt
\vskip\stripsep
}%
\fi
\ifnum\juo@sk>0
\remove@strip\juo@sar
\global\@colht\the\juo@pr
\global\advance\@colht by -\ht\@rightcolumn
\global\advance\@colht by\cor@height
\global\cor@height=0pt
\else
\global\advance\c@colht by-\ht\@rightcolumn
\global\@colht\c@colht
\fi
\else
\global \@firstcolumntrue
\global\setbox\@outputbox\vbox to\ht\@leftcolumn{%
\unvbox\@rightcolumn
\vskip\c@addvipersep
\unvbox\@outputbox
}%
\setbox\@outputbox \vbox {%
\hb@xt@\textwidth {%
\hb@xt@\columnwidth {%
\box\@leftcolumn \hss}%
\hfil
\vrule \@width\columnseprule
\hfil
\hb@xt@\columnwidth {%
\box\@outputbox \hss}%
}%
}%
\@combinedblfloats
\@outputpage
\begingroup
\@dblfloatplacement
\@startdblcolumn
\@whilesw\if@fcolmade \fi
{\@outputpage
\@startdblcolumn}%
\endgroup
\global\juo@sk=0\global\juo@sar={}%
\global\cor@height\z@\global\c@addvipersep\z@
\fi
\fi
}
\def \@cflt{%
\let \@elt \@comflelt
\setbox\@tempboxa \vbox{}%
\@toplist
\global\right@cor\ht\@tempboxa
\ifdim\right@cor>\z@
\global\advance\right@cor by-\floatsep
\global\advance\right@cor by\textfloatsep
\fi
\setbox\@outputbox \vbox{%
\boxmaxdepth \maxdepth
\unvbox\@tempboxa
\vskip -\floatsep
\topfigrule
\vskip \textfloatsep
\unvbox\@outputbox
}%
\let\@elt\relax
\xdef\@freelist{\@freelist\@toplist}%
\global\let\@toplist\@empty
}
\def\@ifnextsymb#1#2#3{%
\let\reserved@d=#1%
\def\reserved@a{#2}\def\reserved@b{#3}%
\futurelet\@let@token\@ifnsymb}
\def\@ifnsymb{%
\ifx\@let@token\@sptoken
\let\reserved@c\reserved@b
\else
\ifx\@let@token\reserved@d
\let\reserved@c\reserved@a
\else
\let\reserved@c\reserved@b
\fi
\fi
\reserved@c}
\endinput
|
