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%% BEGIN semlayer.sty
%%
%% This is file `semlayer.sty', generated
%% on <1993/4/2> with the docstrip utility (2.0r).
%%
%% The original source files were:
%%
%% semlayer.doc
%%
\def\fileversion{1.0}
\def\filedate{93/04/01}
%%
%% LaTeX style option `semlayer.sty'.
%% For use with LaTeX v2.09 and the `seminar' document style.
%%
%% COPYRIGHT 1993, by Timothy Van Zandt, Timothy.VAN-ZANDT@insead.edu
%%
%% This file may be distributed and/or modified under the conditions of
%% the LaTeX Project Public License, either version 1.2 of this license
%% or (at your option) any later version. The latest version of this
%% license is in:
%%
%% http://www.latex-project.org/lppl.txt
%%
%% and version 1.2 or later is part of all distributions of LaTeX version
%% 1999/12/01 or later.
%%
%%
\addto@hook\before@newslide{%
\global\def\overlay@list{}%
\setcounter{overlay}{0}}
\newbox\@@slidebox
\def\process@@slide{%
\ifx\overlay@list\@empty
\finish@slide
\output@slide
\else
\setbox\@@slidebox\box\@slidebox
\make@overlay{0}%
\finish@slide
\output@slide
{\let\theoverlay\theslide\layer@loop{0}}%
\overlay@loop
\fi}
\def\overlay@loop{%
\begingroup
\overlay@prep
\c@overlay=1
\@whilenum\c@overlay<10
\do{%
\test@member{\the\c@overlay}{\overlay@list}%
\if@test
\make@overlay{\the\c@overlay}%
\finish@slide
\output@slide
\fi
\layer@loop{\the\c@overlay}%
\advance\c@overlay by 1}%
\endgroup}
\def\layer@loop#1{%
\begingroup
\layer@prep
\@for\currlayer:=\layer@list\do{%
\test@member{#1-\currlayer}{\overlay@list}%
\if@test
\make@overlay{#1-\currlayer}%
\finish@slide
\output@slide
\fi}%
\endgroup}
\def\layer@prep{%
\ifarticle\pagestyle{\layer@pagestyle}\fi
\let\thepage\thelayer
\ifx\thelayerframe\@empty\else\let\theslideframe\thelayerframe\fi
\let\slidelabel\layerlabel}
\def\overlay@prep{%
\ifarticle\pagestyle{\overlay@pagestyle}\fi
\let\thepage\theoverlay
\ifx\theoverlayframe\@empty\else\let\theslideframe\theoverlayframe\fi
\let\slidelabel\overlaylabel}
\def\layerframe{\@slideframe{layer}}
\def\overlayframe{\@slideframe{overlay}}
\def\thelayerframe{}
\def\theoverlayframe{}
\def\overlaylabel{\bf Overlay \theoverlay}
\def\layerlabel{\bf Layer \thelayer}
\newcounter{overlay}
\def\theoverlay{\theslide-\alph{overlay}}
\def\currlayer{}
\def\thelayer{\theoverlay-\currlayer}
\newif\ifoverlays
\newif\iflayers
\@ifundefined{@overlay}%
{\let\@overlay\relax}%
{\ifarticle\else\overlaystrue\layerstrue\fi}
\def\nooverlays@err{%
\@seminarerr{You need to use additional macros for overlays,
e.g., semcolor.sty}\@ehd
\global\overlaysfalse
\global\layersfalse}
\@ifundefined{@overlay}{}{}
\def\overlay#1{%
\ifoverlays\ifx\@overlay\relax\nooverlays@err\fi\fi
\ifslide
\@tempcnta=#1
\@testfalse
\ifnum\@tempcnta>-1 \ifnum\@tempcnta<10 \@testtrue\fi\fi
\if@test
\c@overlay=\@tempcnta
\ifnum\c@overlay=0
\advance\c@slide by -1
\refstepcounter{slide}%
\else
\advance\c@overlay by -1
\refstepcounter{overlay}%
\ifoverlays
\xdef\overlay@list{\overlay@list,\the\c@overlay}%
\fi
\fi
\ifoverlays
\@overlay{\the\c@overlay}%
\fi
\else
\@seminarerr{\string\overlay\space argument must be
an integer between 0 and 9}\@eha
\fi
\else
\@seminarerr{\string\overlay\space can only be used
in slide environments}\@eha
\fi
\ignorespaces}
\def\colorlayers#1{%
\edef\@tempc{#1}%
\edef\layer@list{\layer@list,#1}%
\def\@tempa##1{%
\@namedef{##1}{%
\iflayers\ifx\@overlay\relax\nooverlays@err\fi\fi
\ifslide
\iflayers
\xdef\overlay@list{\overlay@list,\the\c@overlay-##1}%
\@overlay{\the\c@overlay-##1}%
\fi
\else
\@seminarerr{Color layer `##1' can only be used in
slide environments}\@eha
\fi}}
\@for\@tempb:=\@tempc\do{%
\expandafter\@tempa\expandafter{\@tempb}}}
\def\layer@list{}
\def\overlaypagestyle#1{\@ifgoodps{#1}{\edef\overlay@pagestyle{#1}}}
\def\layerpagestyle#1{\@ifgoodps{#1}{\edef\layer@pagestyle{#1}}}
\overlaypagestyle{}
\layerpagestyle{}
\endinput
%%
%% End of file `semlayer.sty'.
|
