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tex-compiler/texmf-dist/tex/xelatex/bidipresentation/bidipresentation.cls

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156 KiB

%%
%% This is file `bidipresentation.cls',
%%
%% __________________________________________________
%% Copyright © 2009–2014 Vafa Khalighi <persian-tex@tug.org>
%%
%% A great portion of the code is brorrowd from texpower bundle:
%%
%% -------------------------------------------------------------------------------------
%% TeXPower bundle - dynamic online presentations with LaTeX
%% Copyright (C) 1999-2004 Stephan Lehmke
%% Copyright (C) 2003-2005 Hans Fredrik Nordhaug
%% -------------------------------------------------------------------------------------
%%
%% with modifications to get things working properly in both right to
%% left and left to right modes.
%%
%% It may be distributed and/or modified under the LaTeX Project Public License,
%% version 1.3c or higher (your choice). The latest version of
%% this license is at: http://www.latex-project.org/lppl.txt
%%
%% This work is “author-maintained” (as per LPPL maintenance status)
%% by Vafa Khalighi.
%%
\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{bidipresentation}[2014/09/26 v0.3 Experimental bidi presentation]
\RequirePackage{scrlfile}
\RequirePackage{fancyhdr}
\RequirePackage{ifthen}
\RequirePackage{calc}
\RequirePackage{keyval}
\DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}}
\newboolean{verbose@bidipres}
\DeclareOption{verbose}{\setboolean{verbose@bidipres}{true}}
\provideboolean{display}
\DeclareOption{display}{\setboolean{display}{true}}
\DeclareOption{printout}{\setboolean{display}{false}}
\newboolean{fixcolorstack@bidipres}
\DeclareOption{fixcolorstack}{\setboolean{fixcolorstack@bidipres}{true}}
\newboolean{strongfiltering@bidipres}
\DeclareOption{strongfiltering}{\setboolean{strongfiltering@bidipres}{true}}
\newcommand{\strongfilteringon}{\setboolean{strongfiltering@bidipres}{true}}
\newcommand{\strongfilteringoff}{\setboolean{strongfiltering@bidipres}{false}}
\newboolean{nineminutes@bidipres}
\DeclareOption{nineminutes}{\setboolean{nineminutes@bidipres}{true}}
\newboolean{bidiprescolor}
\newboolean{coloremph@bidipres}
\DeclareOption{coloremph}
{\setboolean{bidiprescolor}{true}\setboolean{coloremph@bidipres}{true}}
\newboolean{colormath@bidipres}
\DeclareOption{colormath}
{\setboolean{bidiprescolor}{true}\setboolean{colormath@bidipres}{true}}
\newboolean{colorhighlight@bidipres}
\DeclareOption{colorhighlight}
{\setboolean{bidiprescolor}{true}\setboolean{colorhighlight@bidipres}{true}}
\newboolean{whitebackground@bidipres}
\setboolean{whitebackground@bidipres}{true}% This is the default.
\DeclareOption{whitebackground}
{\setboolean{bidiprescolor}{true}\setboolean{whitebackground@bidipres}{true}}
\newboolean{lightbackground@bidipres}
\DeclareOption{lightbackground}
{\setboolean{bidiprescolor}{true}\setboolean{lightbackground@bidipres}{true}}
\newboolean{blackbackground@bidipres}
\DeclareOption{blackbackground}
{\setboolean{bidiprescolor}{true}\setboolean{blackbackground@bidipres}{true}}
\newboolean{darkbackground@bidipres}
\DeclareOption{darkbackground}
{\setboolean{bidiprescolor}{true}\setboolean{darkbackground@bidipres}{true}}
\ExecuteOptions{display}
\ProcessOptions\relax
\LoadClass{article}
\RequirePackage[foot=10.2pt,head=0pt,paperwidth=128mm,paperheight=96mm,left=5mm,top=5mm,right=7mm,bottom=8mm]{geometry}
\renewcommand{\headrulewidth}{0mm}
\renewcommand{\maketitle}%
{\ClassError{bidipresentation}{Caution: ``maketitle'' command not supported}%
{Please use ``titlepage'' environment instead}%
}
\RequirePackage{hyperref}
\fancypagestyle{pres}{%
\lhead{}%
\chead{}%
\rhead{}%
\ifthenelse{\boolean{bidiprescolor}}{%
\lfoot{\xecolor{textcolor}\footnotesize \thepage}}{%
\lfoot{\footnotesize \thepage}}
\cfoot{}%
\rfoot{}%
}
\pagestyle{pres}
\newcommand{\distance}[1]{\vspace*{\stretch{#1}}}
\newcommand{\abstand}[1]{\vspace*{\stretch{#1}}}
\setlength{\parskip}{0.6ex}
\setlength{\parindent}{0mm}
\newenvironment{plainslide}[1][]%
{{\raggedleft \large\bfseries #1\par}\par\vspace*{\stretch{1}}}%
{\par\vspace*{\stretch{1}}\newpage}
\newenvironment{rawslide}{}{\newpage}%
\def\itemize{%
\ifnum \@itemdepth >\thr@@\@toodeep\else
\advance\@itemdepth\@ne
\edef\@itemitem{labelitem\romannumeral\the\@itemdepth}%
\expandafter
\list
\csname\@itemitem\endcsname
{\def\makelabel##1{\hss\llap{##1}}}%
\fi
\setlength{\itemsep}{0ex}%
\setlength{\parskip}{0.1ex}%
\setlength{\parsep}{0ex}%
}%
\let\enditemize =\endlist
\def\enumerate{%
\ifnum \@enumdepth >\thr@@\@toodeep\else
\advance\@enumdepth\@ne
\edef\@enumctr{enum\romannumeral\the\@enumdepth}%
\expandafter
\list
\csname label\@enumctr\endcsname
{\usecounter\@enumctr\def\makelabel##1{\hss\llap{##1}}}%
\fi
\setlength{\itemsep}{0ex}%
\setlength{\parskip}{0.1ex}%
\setlength{\parsep}{0ex}%
}%
\let\endenumerate =\endlist
\renewenvironment{description}
{\list{}{\labelwidth\z@ \itemindent-\leftmargin
\let\makelabel\descriptionlabel}
\setlength{\itemsep}{0ex}%
\setlength{\parskip}{0.1ex}%
\setlength{\parsep}{0ex}}
{\endlist}
\ifthenelse{\boolean{display}}
{\ClassInfo{bidipresentation}{Producing display version. Dynamic features activated.}}
{\ClassInfo{bidipresentation}{Producing printout version. Dynamic features inactive.}}
\ifthenelse{\boolean{verbose@bidipres}}{\setcounter{errorcontextlines}{10000}}{}
\newcounter{tmpcnta@bidipres}
\newcounter{tmpcntb@bidipres}
\newlength{\tempdima@bidipres}
\newlength{\tempdimb@bidipres}
\newbox\tempbox@bidipres
\newboolean{carryon@bidipres}
\newcommand{\bidiprespagewidth}{\strip@pt\paperwidth truept}
\newcommand{\bidiprespageheight}{\strip@pt\paperheight truept}
\newcommand{\mkfactor}[2]%
{\setlength{\tempdima@bidipres}{1pt*#2}\edef#1{\strip@pt\tempdima@bidipres}}
\newcommand{\mklength@bidipres}[2]
{\setlength{\tempdima@bidipres}{#2}\edef#1{\the\tempdima@bidipres}}
\newcommand{\mklength}{}
\let\mklength\mklength@bidipres
\ifthenelse{\boolean{bidiprescolor}}{%
\RequirePackage{color}%
\RequirePackage{xecolor}%
}{}%
\ifthenelse{\boolean{bidiprescolor}}{% Yes.
\let\setcolor@bidipres=\color%
\let\o@definecolor@bidipres=\definecolor%
\def\definecolor#1#2#3%
{%
\o@definecolor@bidipres{#1}{#2}{#3}%
\expandafter\edef\csname colordef@bidipres@#1\endcsname%
{\csname processcolor@bidipres@#2\endcsname{#3}}%
}%
\@ifundefined{c@lor@namefile}{}{\input{\c@lor@namefile}}
\ifx\color@gray\@undefined
\ifx\color@rgb\@undefined
\else
\definecolor{black}{rgb}{0,0,0}
\definecolor{white}{rgb}{1,1,1}
\fi
\else
\definecolor{black}{gray}{0}
\definecolor{white}{gray}{1}
\fi
\ifx\color@rgb\@undefined\else
\definecolor{red}{rgb}{1,0,0}
\definecolor{green}{rgb}{0,1,0}
\definecolor{blue}{rgb}{0,0,1}
\fi
\ifx\color@cmyk\@undefined\else
\definecolor{cyan}{cmyk}{1,0,0,0}
\definecolor{magenta}{cmyk}{0,1,0,0}
\definecolor{yellow}{cmyk}{0,0,1,0}
\fi
\newcommand{\interpolate@bidipres}[3]%
{%
\setlength{\tempdima@bidipres}{1pt-#1pt}% Calculate the second factor for the weighted average.
\edef\secondfactor@bidipres{\strip@pt\tempdima@bidipres}%
\setlength{\tempdima@bidipres}{#2pt*\real{#1}+#3pt*\real{\secondfactor@bidipres}}% Calculate the weighted average.
\ifthenelse{\lengthtest{\tempdima@bidipres<0pt}}% Bound the result to the interval [0,1] (just in case the first
{\setlength{\tempdima@bidipres}{0pt}}% factor was not from [0,1]).
{\ifthenelse{\lengthtest{\tempdima@bidipres>1pt}}{\setlength{\tempdima@bidipres}{1pt}}{}}%
\edef\result@bidipres{\strip@pt\tempdima@bidipres}%
}
\def\interpolate@three@bidipres#1,#2,#3;#4,#5,#6;#7%
{%
\interpolate@bidipres{#7}{#1}{#4}% First intermediary value.
\edef\newcolordef@bidipres{\result@bidipres,}% Store first value.
\interpolate@bidipres{#7}{#2}{#5}% Second intermediary value.
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres,}% Store second value.
\interpolate@bidipres{#7}{#3}{#6}% Third intermediary value.
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres}% Store third value.
}
\def\interpolate@four@bidipres#1,#2,#3,#4;#5,#6,#7,#8;#9%
{%
\interpolate@bidipres{#9}{#1}{#5}% First intermediary value.
\edef\newcolordef@bidipres{\result@bidipres,}% Store first value.
\interpolate@bidipres{#9}{#2}{#6}% Second intermediary value.
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres,}% Store second value.
\interpolate@bidipres{#9}{#3}{#7}% Third intermediary value.
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres,}% Store third value.
\interpolate@bidipres{#9}{#4}{#8}% Fourth intermediary value.
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres}% Store fourth value.
}
\def\convert@cmykvalue@rgbvalue@bidipres#1#2%
{%
\setlength{\tempdima@bidipres}{1pt-#1pt-#2pt}%
\ifthenelse{\lengthtest{\tempdima@bidipres<0pt}}{\setlength{\tempdima@bidipres}{0pt}}{}%
\edef\result@bidipres{\strip@pt\tempdima@bidipres}%
}%
\def\convert@cmyk@rgb@bidipres#1,#2,#3,#4;%
{%
\convert@cmykvalue@rgbvalue@bidipres{#1}{#4}%
\edef\newcolordef@bidipres{\result@bidipres,}% Store first value.
\convert@cmykvalue@rgbvalue@bidipres{#2}{#4}%
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres,}% Store second value.
\convert@cmykvalue@rgbvalue@bidipres{#3}{#4}%
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres}% Store third value.
}
\def\convert@RGBvalue@rgbvalue@bidipres#1%
{%
\setlength{\tempdima@bidipres}{#1pt/255}%
\edef\result@bidipres{\strip@pt\tempdima@bidipres}%
}%
\def\convert@RGB@rgb@bidipres#1,#2,#3;%
{%
\convert@RGBvalue@rgbvalue@bidipres{#1}%
\edef\newcolordef@bidipres{\result@bidipres,}% Store first value.
\convert@RGBvalue@rgbvalue@bidipres{#2}%
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres,}% Store second value.
\convert@RGBvalue@rgbvalue@bidipres{#3}%
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres}% Store third value.
}
\newcommand{\colorbetween}[4][.5]%
{%
\begingroup% Make the definition of \processcolor... local.
\newcommand{\processcolor@bidipres@rgb}[3]% What if the first color is an rgb color?
{%
\ifx##2\processcolor@bidipres@rgb% Are both colors rgb colors?
\interpolate@three@bidipres##1;##3;{#1}% Calculate interpolated values.
\else
\ifx##2\processcolor@bidipres@gray% Is the second color from the gray model?
\interpolate@three@bidipres##1;##3,##3,##3;{#1}% Calculate interpolated values.
\else
\ifx##2\processcolor@bidipres@cmyk% Is the second color from the cmyk model?
\convert@cmyk@rgb@bidipres##3;% Convert to rgb.
\edef\newcolordef@bidipres{\noexpand\interpolate@three@bidipres##1;\newcolordef@bidipres;{#1}}%
\newcolordef@bidipres
\else
\ifx##2\processcolor@bidipres@RGB% Is the second color from the RGB model?
\convert@RGB@rgb@bidipres##3;% Convert to rgb.
\edef\newcolordef@bidipres{\noexpand\interpolate@three@bidipres##1;\newcolordef@bidipres;{#1}}%
\newcolordef@bidipres
\else
\ifx##2\processcolor@bidipres@hsb% Is the second color from the hsb model?
\ClassError{bidipresentation}{Don't know how to convert an hsb color!}
\fi
\fi
\fi
\fi
\fi
\edef\newcolordef@bidipres{{rgb}{\newcolordef@bidipres}}% Store the result
}%
\newcommand{\processcolor@bidipres@gray}[3]% What if the first color is a gray color?
{%
\ifx##2\processcolor@bidipres@gray% Are both colors gray colors?
\interpolate@bidipres{#1}{##1}{##3}% Calculate interpolated value.
\edef\newcolordef@bidipres{{gray}{\result@bidipres}}% Store the result
\else
\processcolor@bidipres@rgb{##1,##1,##1}{##2}{##3}% Otherwise, convert first color to rgb and continue.
\fi
}%
\newcommand{\processcolor@bidipres@cmyk}[3]% What if the first color is a cmyk color?
{%
\ifx##2\processcolor@bidipres@cmyk% Are both colors cmyk colors?
\interpolate@four@bidipres##1;##3;{#1}% Calculate interpolated values.
\edef\newcolordef@bidipres{{cmyk}{\newcolordef@bidipres}}% Store the result
\else
\convert@cmyk@rgb@bidipres##1;% Otherwise, convert first color to rgb ...
\expandafter\processcolor@bidipres@rgb\expandafter{\newcolordef@bidipres}{##2}{##3}% ... and continue.
\fi
}%
\newcommand{\processcolor@bidipres@RGB}[3]% What if the first color is an RGB color?
{%
\convert@RGB@rgb@bidipres##1;% Convert to rgb ...
\expandafter\processcolor@bidipres@rgb\expandafter{\newcolordef@bidipres}{##2}{##3}% ... and continue.
}%
\newcommand{\processcolor@bidipres@hsb}[3]% What if the first color is an hsb color?
{%
\ifx##2\processcolor@bidipres@hsb% Are both colors hsb colors?
\interpolate@three@bidipres##1;##3;{#1}% Calculate interpolated values.
\edef\newcolordef@bidipres{{hsb}{\newcolordef@bidipres}}% Store the result
\else
\ClassError{bidipresentation}{Don't know how to convert an hsb color!}
\fi
}%
\expandafter\let\expandafter
\firstcol@bidipres\csname colordef@bidipres@#3\endcsname % Retrieve definition of color <source1>...
\expandafter\expandafter\expandafter\firstcol@bidipres% and apply (remember \processcolor... is part of the definition)
\csname colordef@bidipres@#4\endcsname% to definition of color <source2>.
\edef\end@bidipres% Define color <target> (outside the enclosing group).
{\endgroup\noexpand\definecolor{#2}\newcolordef@bidipres}%
\end@bidipres
}% matches \newcommand{\colorbetween}
\newcommand{\complement@bidipres}[1]%
{%
\setlength{\tempdima@bidipres}{1pt-#1pt}%
\edef\result@bidipres{\strip@pt\tempdima@bidipres}%
}
\def\complement@three@bidipres#1,#2,#3;%
{%
\complement@bidipres{#1}%
\edef\newcolordef@bidipres{\result@bidipres,}% Store first value.
\complement@bidipres{#2}%
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres,}% Store second value.
\complement@bidipres{#3}%
\edef\newcolordef@bidipres{\newcolordef@bidipres\result@bidipres}% Store third value.
}
\def\grabfourth@bidipres#1,#2,#3,#4;%
{%
\def\mem@bidipres{#4}% Store fourth element.
\def\result@bidipres{#1,#2,#3;}% Store first three elements.
}
\newcommand{\complementcolor}[2]%
{%
\begingroup% Make the definition of \processcolor... local.
\newcommand{\processcolor@bidipres@rgb}[1]% What if the color is an rgb color?
{%
\complement@three@bidipres##1;% Calculate complemented values.
\edef\newcolordef@bidipres{{rgb}{\newcolordef@bidipres}}% Store the result
}%
\newcommand{\processcolor@bidipres@gray}[1]% What if the color is a gray color?
{%
\complement@bidipres{##1}% Calculate complemented value.
\edef\newcolordef@bidipres{{gray}{\result@bidipres}}% Store the result
}%
\newcommand{\processcolor@bidipres@cmyk}[1]% What if the color is a cmyk color?
{%
\grabfourth@bidipres##1;% Remember fourth element.
\expandafter\complement@three@bidipres\result@bidipres% Calculate complemented values of first three elements.
\edef\newcolordef@bidipres{{cmyk}{\newcolordef@bidipres,\mem@bidipres}}% Store the result, putting back the fourth element.
}%
\newcommand{\processcolor@bidipres@RGB}[1]% What if the color is an RGB color?
{%
\convert@RGB@rgb@bidipres##1;% Convert to rgb ...
\expandafter\processcolor@bidipres@rgb\expandafter{\newcolordef@bidipres}% ... and continue.
}%
\newcommand{\processcolor@bidipres@hsb}[1]% What if the color is an hsb color?
{%
\complement@three@bidipres##1;% Calculate complemented values.
\edef\newcolordef@bidipres{{hsb}{\newcolordef@bidipres}}% Store the result
}%
\csname colordef@bidipres@#2\endcsname% Execute definition of color <source> (which contains \processcolor...)
\edef\end@bidipres% Define color <target> (outside the enclosing group).
{\endgroup\noexpand\definecolor{#1}\newcolordef@bidipres}%
\end@bidipres
}% matches \newcommand{\complementcolor}
}% matches \ifthenelse{\boolean{bidiprescolor}}{% Yes.
{% No. Do nothing.
}
\newcommand{\replacecolor}
{%
\let\replacecolor@hook@bidipres=\@gobble% This hook can be used for variant checking (see below).
\replacecolor@bidipres% Pick up arguments.
}
\newcommand{\replacecolor@bidipres}[2][]% Pick up the first two arguments of \replacecolor.
{%
\ifthenelse{\equal{#1}{}}{\edef\tcolname@bidipres{#2}}{\edef\tcolname@bidipres{#2@#1}}% Construct `real' target color name.
\@replacecolor@bidipres% Read second argument.
}%
\ifthenelse{\boolean{bidiprescolor}}% Only if bidipresentation's color management is active.
{% Yes.
\newcommand{\undefinecolor@bidipres}[1]% Make a color undefined.
{\expandafter\let\csname\string\color @#1\endcsname=\@undefined}%
\newcommand{\ifcolorexists@bidipres}[3]% Conditional for testing whether a color is defined.
{\@ifundefined{\string\color @#1}{#3}{#2}}% Test whether a given color is defined.
\newcommand{\@replacecolor@bidipres}[2][]% Second part of \replacecolor.
{%
\ifthenelse{\equal{#1}{}}{\edef\scolname@bidipres{#2}}{\edef\scolname@bidipres{#2@#1}}% Construct `real' source color name.
\ifcolorexists@bidipres{\scolname@bidipres}% Does the source color exist at all?
{% Yes.
\replacecolor@hook@bidipres{\tcolname@bidipres}% Execute hook.
\expandafter\let\csname\string\color @\tcolname@bidipres\expandafter\endcsname% Make value of target color
\csname\string\color @\scolname@bidipres\endcsname% identical with source color.
\expandafter\let\csname colordef@bidipres@\tcolname@bidipres\expandafter\endcsname% Make definition of target color
\csname colordef@bidipres@\scolname@bidipres\endcsname% identical with source color.
}%
{% No. Do nothing.
}%
}%
\newcommand{\colors@bidipres}{}
\newcommand{\removecolor@bidipres}[1]%
{%
\def\processme@bidipres##1% This macro does the real work.
{%
\ifthenelse{\equal{#1}{##1}}% Is this the color to be removed?
{% Yes. Do nothing, so it vanishes.
}
{% No. Re-insert.
\expandafter\def\expandafter\colors@bidipres\expandafter{\colors@bidipres\processme@bidipres{##1}}%
}%
}%
\expandafter\let\expandafter\colors@bidipres\expandafter\empty% Initialize \colors@bidipres.
\colors@bidipres% Execute \processme@bidipres for every color on the list.
}
\newcommand{\addbidiprescolor}[1]%
{%
\removecolor@bidipres{#1}% Remove this color from the list (to avoid duplicates).
\expandafter\def\expandafter\colors@bidipres\expandafter{\colors@bidipres\processme@bidipres{#1}}% ... and insert.
\register@normalvariant@bidipres{#1}% Register the normal variant for this color.
}
\newcommand{\definebidiprescolor}[4][]
{%
\addbidiprescolor{#2}% Add color to the list.
\ifthenelse{\equal{#1}{}}% Color from the current color set?
{\definecolor{#2}{#3}{#4}}% Yep. Just define the color.
{\definecolor{#2@#1}{#3}{#4}}% No. Add color set identifyer.
}
\newcommand{\replacecolors@bidipres}%
{%
\@ifstar% The starred version will put the color set into normal variant.
{\let\replacecolor@hook@bidipres=\register@normalvariant@bidipres\@replacecolors@bidipres}
{\let\replacecolor@hook@bidipres=\@gobble\@replacecolors@bidipres}%
}
\newcommand{\@replacecolors@bidipres}[4]% This part does the real work.
{%
\def\processme@bidipres##1{\replacecolor@bidipres[#1]{#2##1}[#3]{#4##1}}%
\colors@bidipres
}
\newcommand{\usecolorset}[1]%
{%
\replacecolors@bidipres*{}{}{#1}{}% Replace normal variant (registering variants).
\replacecolors@bidipres{}{d}{#1}{d}% Replace dimmed variant.
\replacecolors@bidipres{}{e}{#1}{e}% Replace enhanced variant.
\xecolor{textcolor}% Activate textcolor.
\pagecolor{pagecolor}% Activate pagecolor.
}%
\newcommand{\dumpcolorset}[1]%
{%
\nonnormalwarnings@bidipres{Dumping color set #1}% Output a warning for every color not in the normal variant.
\replacecolors@bidipres{#1}{}{}{}% Dump normal variant (hopefully).
\replacecolors@bidipres{#1}{d}{}{d}% Dump dimmed variant.
\replacecolors@bidipres{#1}{e}{}{e}% Dump enhanced variant.
}%
\newcommand{\registervariant@bidipres}[2]% Remember which variant a color is currently in.
{\expandafter\def\csname cvar@#1@bidipres\endcsname{#2}}
\newcommand{\register@normalvariant@bidipres}[1]% Register that a color is now in the normal variant.
{\registervariant@bidipres{#1}{}}
\newcommand{\currentvariant@bidipres}[1]% Return the current variant of a color.
{\csname cvar@#1@bidipres\endcsname}
\newcommand{\ifnormalvariant@bidipres}[3]% Conditional for checking whether a color is in the normal variant.
{\ifthenelse{\equal{\currentvariant@bidipres{#1}}{}}{#2}{#3}}
\newcommand{\nonnormalwarnings@bidipres}[1]% Checks the current variant for every standard color and gives a warning
{% if it's not the normal one.
\def\processme@bidipres##1%
{%
\ifnormalvariant@bidipres{##1}{}
{%
\ClassWarning{bidipresentation}
{#1\MessageBreak when color ##1 is in \currentvariant@bidipres{##1} variant}%
}%
}%
\colors@bidipres
}
\newcommand{\dimlevel}{.7}
\newcommand{\dimcolor}[2][\dimlevel]
{%
\ifnormalvariant@bidipres{#2}% Color in the normal variant?
{% Yes.
\registervariant@bidipres{#2}{d}% Register dimmed variant.
\ifcolorexists@bidipres{d#2}% Dedicated dimmed color found?
{\replacecolor{#2}{d#2}}% Yes. use that one.
{\colorbetween[#1]{#2}{pagecolor}{#2}}% No. Dim numerically using \colorbetween.
}%
{}% No. Do nothing.
}
\newcommand{\dimcolors}[1][\dimlevel]
{%
\def\processme@bidipres##1{\dimcolor[#1]{##1}}%
\colors@bidipres
}%
\newcommand{\enhancelevel}{.5}
\newcommand{\enhancecolor}[2][\enhancelevel]
{%
\ifnormalvariant@bidipres{#2}% Color in the normal variant?
{%
\registervariant@bidipres{#2}{e}% Register enhanced variant.
\ifcolorexists@bidipres{e#2}% Dedicated enhanced color found?
{\replacecolor{#2}{e#2}}% Yes. use that one.
{\colorbetween[-#1]{#2}{pagecolor}{#2}}% No. Enhance numerically using \colorbetween.
}%
{}%
}%
\newcommand{\enhancecolors}[1][\enhancelevel]
{%
\def\processme@bidipres##1{\enhancecolor[#1]{##1}}%
\colors@bidipres
}%
\newcommand{\replacecolorsbyone@bidipres}[2]%
{%
\def\processme@bidipres##1{\replacecolor{#1##1}{#2}}%
\colors@bidipres
}
\newcommand{\vanishcolor}{pagecolor}
\newcommand{\vanishcolors}[1][\vanishcolor]{\replacecolorsbyone@bidipres{}{#1}}
\input{bidiprescolors.cfg}
\newcommand{\whitebackground}%
{%
\usecolorset{whitebg}%
}
\ifthenelse{\boolean{whitebackground@bidipres}}
{\AtEndOfClass{\whitebackground}}
{}
\newcommand{\lightbackground}%
{%
\usecolorset{lightbg}%
}
\ifthenelse{\boolean{lightbackground@bidipres}}{\AtEndOfClass{\lightbackground}}{}
\newcommand{\darkbackground}%
{%
\usecolorset{darkbg}%
}
\ifthenelse{\boolean{darkbackground@bidipres}}{\AtEndOfClass{\darkbackground}}{}
\newcommand{\blackbackground}%
{%
\usecolorset{blackbg}%
}
\ifthenelse{\boolean{blackbackground@bidipres}}{\AtEndOfClass{\blackbackground}}{}
\ifthenelse{\boolean{bidiprescolor}}
{%
\renewcommand{\normalcolor}{\xecolor{textcolor}}% \normalcolor should produce textcolor.
\let\o@textnormal@bidipres=\textnormal% \textnormal should also set text color.
\def\textnormal#1{\o@textnormal@bidipres{\normalcolor#1}}
\AtEndOfClass{\xecolor{textcolor}\let\default@color\current@color}
\AtBeginDocument%
{%
\pagecolor{pagecolor}\xecolor{textcolor}%
}%
}
{}
\ifthenelse{\boolean{bidiprescolor}}{\AtBeginDocument{\pagecolor{pagecolor}\xecolor{textcolor}}}{}
}% matches \ifthenelse{\boolean{bidiprescolor}}{% Yes.
{% No; provide dummies.
\let\setcolor@bidipres=\@gobble%
\newcommand{\@replacecolor@bidipres}[2][]{}%
\let\addbidiprescolor=\@gobble
\newcommand{\definebidiprescolor}[4][]{}%
\let\usecolorset=\@gobble
\let\dumpcolorset=\@gobble
\newcommand{\dimcolor}[2][]{}
\newcommand{\dimcolors}[1][]{}
\newcommand{\enhancecolor}[2][]{}
\newcommand{\enhancecolors}[1][]{}
\newcommand{\vanishcolors}[1][]{}
}
\ifthenelse{\boolean{coloremph@bidipres}}% Should \emph use color?
{% Yes;
\DeclareRobustCommand{\em}% Redefine \em.
{%
\@nomath\em \xecolor{emcolor}% Change color.
\replacecolor{tmp@bidipres}{emcolor}% Exchange emcolor and altemcolor.
\replacecolor{emcolor}{altemcolor}%
\replacecolor{altemcolor}{tmp@bidipres}%
}%
}%
{}% No; keep original definition.
\ifthenelse{\boolean{colorhighlight@bidipres}}% Color highlighting enabled?
{% Yes; code is displayed typewriter-style, bold and in a special color.
\DeclareRobustCommand{\code}[1]{\textxecolor{codecolor}{\textbf{\texttt{#1}}}}%
\DeclareRobustCommand{\codeswitch}{\xecolor{codecolor}\bfseries\ttfamily}%
}
{% No; code is displayed just in typewriter-style and bold.
\DeclareRobustCommand{\code}[1]{\textbf{\texttt{#1}}}%
\DeclareRobustCommand{\codeswitch}{\bfseries\ttfamily}%
}
\newcommand{\macroname}[1]{\code{\textbackslash#1}}
\newcommand{\commandapp}[3][]{\code{\macroname{#2}\ifthenelse{\equal{#1}{}}{}{[#1]}\{#3\}}}
\newcommand{\carg}[1]{\code{\origmath{\left<\code{#1}\right>}}}
\ifthenelse{\boolean{colorhighlight@bidipres}}% Color highlighting enabled?
{% Yes;
\DeclareRobustCommand{\underl}{\textxecolor{underlcolor}}% Use color to highlight.
}
{% No;
\DeclareRobustCommand{\underl}{\textbf}% Use bold face.
}
\ifthenelse{\boolean{colorhighlight@bidipres}}% Color highlighting enabled?
{% Yes;
\DeclareRobustCommand{\concept}{\textxecolor{conceptcolor}}% Use color to highlight.
}
{% No;
\DeclareRobustCommand{\concept}{\textbf}% Use bold face.
}
\ifthenelse{\boolean{colorhighlight@bidipres}}% Color highlighting enabled?
{% Yes;
\DeclareRobustCommand{\inactive}{\textxecolor{inactivecolor}}% Use color to highlight.
}
{% No;
\DeclareRobustCommand{\inactive}{\monochromeinactive}% Use monochrome default.
}
\providecommand{\monochromeinactive}{}% What should \inactive do if colors can't be used? We provide a hook for
% user definitions.
\ifthenelse{\boolean{colorhighlight@bidipres}}% Color highlighting enabled?
{% Yes; use a colored box.
\newcommand{\present}[2][]{\leavevmode\llap{\textbf{\footnotesize#1}\,}\fcolorbox{textcolor}{presentcolor}{#2}}%
\newcommand{\mkpbox@bidipres}[1]{\fcolorbox{presentcolor}{presentcolor}{#1}}% Internal macro for use by \presentbox.
}
{% No; use an \fbox.
\newcommand{\present}[2][]{\leavevmode\llap{\textbf{\footnotesize#1}\,}\fbox{#2}}%
\newcommand{\mkpbox@bidipres}[1]{\fbox{#1}}%
}
\newsavebox{\pbox@bidipres}% Container for the minipage to be boxed.
\newenvironment{presentbox}%
{%
\par\smallskip% First a small space to separate the area from preceding text.
\begin{lrbox}{\pbox@bidipres}% Save the contents in a minipage inside \pbox@bidipres.
\noindent
\begin{minipage}{\linewidth-2\fboxsep-2\fboxrule}% Reduce the width of the minipage to leave space for the frame.
\replacecolor{presentcolor}{pagecolor}% If \present is used inside the colored area...
}%
{%
\end{minipage}
\end{lrbox}%
\noindent\mkpbox@bidipres{\usebox{\pbox@bidipres}}% This typesets the saved minipage inside the coloured area.
\smallskip% A small space to separate the area from succeding text.
\par
}
\newcommand{\rulestripes}{10}
\newcommand{\stripeoverlap}{.15pt}
\newcommand{\rulefirstgradprogression}{1}
\newcommand{\rulesecondgradprogression}{1}
\newcommand{\rulegradmidpoint}{.5}
\newcounter{stripe@bidipres}
\newcounter{stripes@bidipres}
\newcommand{\firstgradprogression@bidipres}{1}
\newcommand{\secondgradprogression@bidipres}{1}
\newcounter{gradprogression@bidipres}
\newcommand{\gradmidpoint@bidipres}{.5}
\newcommand{\mkgradfirstfactor@bidipres}{\mkgradfactor@bidipres\firstgradprogression@bidipres}
\newcommand{\mkgradsecondfactor@bidipres}{\mkgradfactor@bidipres\secondgradprogression@bidipres}
\newcommand{\mkgradfactor@bidipres}[3]% Calculate a factor modified by a `progression' parameter.
{%
\mkfactor{#2}{#3}% Calculate the unmodified factor.
\setcounter{gradprogression@bidipres}{#1}% Factor definition may contain a calc-expression.
\ifthenelse{\value{gradprogression@bidipres}=1}{}% Progression value 1 is neutral.
{%
\ifthenelse{\value{gradprogression@bidipres}<0}% `Negative' progression?
{% Yes.
\@tempcnta-\value{gradprogression@bidipres}\relax% Complement progression wrt 0.
\mkfactor{#2}{1-1pt*\real{#2}}% Complement factor definition wrt 1pt.
}
{\@tempcnta\value{gradprogression@bidipres}\relax}% No; Use progression as given.
\whiledo{\the\@tempcnta>1}% Calculate (factor definition)^(progression).
{\advance\@tempcnta by -1\relax\mkfactor{#2}{\real{#2}*\real{#2}}}%
\ifthenelse{\value{gradprogression@bidipres}<0}% `Negative' progression?
{% Yes.
\mkfactor{#2}{1-1pt*\real{#2}}% Complement result wrt 1pt.
}
{}%
}%
}
\newcommand{\vgradrule}[1][]% Pick up first optional argument: [<stripes>]
{%
\let\firstgradprogression@bidipres=\rulefirstgradprogression% Use progression parameter for rules.
\ifthenelse{\equal{#1}{}}% First optional argument given?
{\setcounter{stripes@bidipres}{\rulestripes}}% No; use default value.
{\setcounter{stripes@bidipres}{#1}}% Yes.
\vgradrule@bidipres% Pick up [<startmodel>]{<startcolor>}.
}
\newcommand{\vgradrule@bidipres}[2][]% Pick up next pair of arguments: [<startmodel>]{<startcolor>}.
{%
\ifthenelse{\equal{#1}{}}% <startmodel> given?
{\replacecolor{startcolor@bidipres}{#2}}% No; <startcolor> is a color name.
{\definecolor{startcolor@bidipres}{#1}{#2}}% Yes; {<startmodel>}{<startcolor>} is a color definition.
\@vgradrule@bidipres% Pick up [<endmodel>]{<endcolor>}.
}
\newcommand{\@vgradrule@bidipres}[2][]% Pick up next pair of arguments: [<endmodel>]{<endcolor>}.
{%
\ifthenelse{\equal{#1}{}}
{\replacecolor{endcolor@bidipres}{#2}}
{\definecolor{endcolor@bidipres}{#1}{#2}}%
\@@vgradrule@bidipres% Pick up rule arguments and proceed.
}
\newcommand{\hstripe@bidipres}[4]%
{\hbox{{\setcolor@bidipres{stripecolor@bidipres}\rule{#2}{#3}}}#4}
\newcommand{\@@vgradrule@bidipres}[3][0pt]%
{%
\ifthenelse{\value{stripes@bidipres}<2}% A `pathological case' which can happen in animations: If 0 or 1 stripes are
% requested, a division by zero error would be produced by the gradient code.
{\mbox{{\setcolor@bidipres{startcolor@bidipres}\rule[#1]{#2}{#3}}}}% In this case, just produce a colored rule.
{%
\raisebox{#1}% Evaluate the <raise> argument of the rule.
{%
\vbox% A vbox with \offinterlineskip allows to align the stripes vertically.
{%
\offinterlineskip
\setcounter{stripe@bidipres}{0}% Initialize the number of the current stripe.
\whiledo{\value{stripe@bidipres}<\value{stripes@bidipres}}
{%
\mkgradfirstfactor@bidipres{\tmp@bidipres}% Make the weight for \colorbetween, based on the number of the current stripe
{\value{stripe@bidipres}/(\value{stripes@bidipres}-1)}% and the first gradient progression.
\colorbetween[\tmp@bidipres]{stripecolor@bidipres}{endcolor@bidipres}{startcolor@bidipres}% Calculate stripe color.
\stepcounter{stripe@bidipres}%
\ifthenelse{\value{stripe@bidipres}=\value{stripes@bidipres}}% Last stripe?
{\hstripe@bidipres{\tmp@bidipres}{#2}{(#3)/\value{stripes@bidipres}}{}}% Yes; make stripe w/o overlap.
{% No; add a kern to make stripes overlap.
\hstripe@bidipres{\tmp@bidipres}{#2}{(#3)/\value{stripes@bidipres}+\stripeoverlap}{\kern-\stripeoverlap}%
}%
}% matches \whiledo{\value{stripe@bidipres}<\value{stripes@bidipres}}{%
}% matches \vbox{%
}% matches \raisebox{#1}{%
}% matches second argument of \ifthenelse{\value{stripes@bidipres}<2}
}% matches \newcommand{\@@vgradrule@bidipres}[3][0pt]{%
\newcommand{\dblvgradrule}[1][]% Pick up first optional argument: [<midpoint>]
{%
\let\firstgradprogression@bidipres=\rulefirstgradprogression% Use progression parameters for rules.
\let\secondgradprogression@bidipres=\rulesecondgradprogression
\ifthenelse{\equal{#1}{}}% First optional argument given?
{\let\gradmidpoint@bidipres=\rulegradmidpoint}% No; use default value.
{\def\gradmidpoint@bidipres{#1}}% Yes.
\dblvgradrule@bidipres% Pick up second optional argument.
}
\newcommand{\dblvgradrule@bidipres}[1][]% Pick up second optional argument: [<stripes>]
{%
\ifthenelse{\equal{#1}{}}
{\setcounter{stripes@bidipres}{\rulestripes}}
{\setcounter{stripes@bidipres}{#1}}%
\@dblvgradrule@bidipres
}
\newcommand{\@dblvgradrule@bidipres}[2][]% Pick up next pair of arguments: [<startmodel>]{<startcolor>}.
{%
\ifthenelse{\equal{#1}{}}
{\replacecolor{startcolor@bidipres}{#2}}
{\definecolor{startcolor@bidipres}{#1}{#2}}%
\@@dblvgradrule@bidipres
}
\newcommand{\@@dblvgradrule@bidipres}[2][]% Pick up next pair of arguments: [<midmodel>]{<midcolor>}.
{%
\ifthenelse{\equal{#1}{}}
{\replacecolor{midcolor@bidipres}{#2}}
{\definecolor{midcolor@bidipres}{#1}{#2}}%
\@@@dblvgradrule@bidipres
}
\newcommand{\@@@dblvgradrule@bidipres}[2][]% Pick up next pair of arguments: [<endmodel>]{<endcolor>}.
{%
\ifthenelse{\equal{#1}{}}
{\replacecolor{endcolor@bidipres}{#2}}
{\definecolor{endcolor@bidipres}{#1}{#2}}%
\@@@@dblvgradrule@bidipres% Pick up rule arguments and proceed.
}
\newcommand{\@@@@dblvgradrule@bidipres}[3][0pt]% Main part of \dblvgradrule.
{%
\ifthenelse{\value{stripes@bidipres}<2}% The gradient code is not equipped for making less than 2 stripes.
{\mbox{{\setcolor@bidipres{midcolor@bidipres}\rule[#1]{#2}{#3}}}}% In this case, just produce a rule colored with the middle color.
{%
\raisebox{#1}% Evaluate the <raise> argument of the rule.
{%
\vbox% A vbox with \offinterlineskip allows to align the stripes
{% vertically.
\offinterlineskip
\setcounter{stripe@bidipres}{0}% Initialize the number of the current stripe.
\setcounter{tmpcnta@bidipres}% Number of the `middle' stripe.
{\value{stripes@bidipres}*\real{\gradmidpoint@bidipres}}%
\whiledo{\value{stripe@bidipres}<\value{tmpcnta@bidipres}}% Produce the upper part of the gradient.
{%
\mkgradfirstfactor@bidipres{\tmp@bidipres}% Make the weight for \colorbetween, based on the number of the
{\value{stripe@bidipres}/\value{tmpcnta@bidipres}}% current stripe and the first gradient progression.
\colorbetween[\tmp@bidipres]{stripecolor@bidipres}{midcolor@bidipres}{startcolor@bidipres}% Calculate stripe color.
\hstripe@bidipres{\tmp@bidipres}% Make stripe with overlap.
{#2}{(#3)/\value{stripes@bidipres}+\stripeoverlap}{\kern-\stripeoverlap}% This is the upper part, remember?
\stepcounter{stripe@bidipres}%
}%
\stepcounter{tmpcnta@bidipres}%
\ifthenelse{\value{stripes@bidipres}=\value{tmpcnta@bidipres}}% Only one stripe left to produce?
{\hstripe@bidipres{1}{#2}{(#3)/\value{stripes@bidipres}}{}}% Just produce one stripe colored with the end color.
{%
\whiledo{\value{stripe@bidipres}<\value{stripes@bidipres}}% Produce the lower part of the gradient.
{%
\mkgradsecondfactor@bidipres{\tmp@bidipres}% Make the weight for \colorbetween.
{(\value{stripe@bidipres}-\value{tmpcnta@bidipres}+1)/(\value{stripes@bidipres}-\value{tmpcnta@bidipres})}%
\colorbetween[\tmp@bidipres]{stripecolor@bidipres}{endcolor@bidipres}{midcolor@bidipres}% Calculate stripe color.
\stepcounter{stripe@bidipres}%
\ifthenelse{\value{stripe@bidipres}=\value{stripes@bidipres}}% Last stripe?
{\hstripe@bidipres{\tmp@bidipres}{#2}{(#3)/\value{stripes@bidipres}}{}}% Yes; make stripe w/o overlap.
{% No; add kern to make stripes overlap.
\hstripe@bidipres{\tmp@bidipres}{#2}{(#3)/\value{stripes@bidipres}+\stripeoverlap}{\kern-\stripeoverlap}%
}%
}% matches \whiledo{\value{stripe@bidipres}<\value{stripes@bidipres}}%
}% matches second argument of \ifthenelse{\value{stripes@bidipres}=\value{tmpcnta@bidipres}}%
}% matches \vbox{%
}% matches \raisebox{#1}{%
}% matches second argument of \ifthenelse{\value{stripes@bidipres}<2}%
}% matches \newcommand{\@@@@dblvgradrule@bidipres}[3][0pt]%
\newcommand{\hgradrule}[1][]% Pick up first optional argument: [<stripes>].
{%
\let\firstgradprogression@bidipres=\rulefirstgradprogression% Use progression parameter for rules.
\ifthenelse{\equal{#1}{}}% First optional argument given?
{\setcounter{stripes@bidipres}{\rulestripes}}% No; use default value.
{\setcounter{stripes@bidipres}{#1}}% Yes.
\hgradrule@bidipres% Pick up [<startmodel>]{<startcolor>}.
}
\newcommand{\hgradrule@bidipres}[2][]% Pick up next pair of arguments: [<startmodel>]{<startcolor>}.
{%
\ifthenelse{\equal{#1}{}}
{\replacecolor{startcolor@bidipres}{#2}}
{\definecolor{startcolor@bidipres}{#1}{#2}}%
\@hgradrule@bidipres
}
\newcommand{\@hgradrule@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}
{\replacecolor{endcolor@bidipres}{#2}}
{\definecolor{endcolor@bidipres}{#1}{#2}}%
\@@hgradrule@bidipres% Pick up rule arguments and proceed.
}
\newcommand{\vstripe@bidipres}[4]% Helper command for making _one_ stripe. Can be overladed for making historams.
{{\setcolor@bidipres{stripecolor@bidipres}\rule{#2}{#3}#4}}
\newcommand{\@@hgradrule@bidipres}[3][0pt]% Main part of \hgradrule.
{%
\ifthenelse{\value{stripes@bidipres}<2}% A `pathological case' which can happen in animations: If 0 or 1 stripes are
% requested, a division by zero error would be produced by the gradient code.
{\mbox{{\setcolor@bidipres{startcolor@bidipres}\rule[#1]{#2}{#3}}}}% In this case, just produce a colored rule.
{%
\raisebox{#1}% Evaluate the <raise> argument of the rule.
{%
\setcounter{stripe@bidipres}{0}% Initialize the number of the current stripe.
\whiledo{\value{stripe@bidipres}<\value{stripes@bidipres}}
{%
\mkgradfirstfactor@bidipres{\tmp@bidipres}% Make the weight for \colorbetween, based on the number of the current stripe
{\value{stripe@bidipres}/(\value{stripes@bidipres}-1)}% and the first gradient progression.
\colorbetween[\tmp@bidipres]{stripecolor@bidipres}{endcolor@bidipres}{startcolor@bidipres}% Calculate stripe color.
\stepcounter{stripe@bidipres}%
\ifthenelse{\value{stripe@bidipres}=\value{stripes@bidipres}}% Last stripe?
{\vstripe@bidipres{\tmp@bidipres}{(#2)/\value{stripes@bidipres}}{#3}{}}% Yes; make stripe w/o overlap.
{% No; add a kern to make stripes overlap.
\vstripe@bidipres{\tmp@bidipres}{(#2)/\value{stripes@bidipres}+\stripeoverlap}{#3}{\kern-\stripeoverlap}%
}%
}% matches \whiledo{\value{stripe@bidipres}<\value{stripes@bidipres}}{%
}% matches \raisebox{#1}{%
}% matches second argument of \ifthenelse{\value{stripes@bidipres}<2}%
}% matches \newcommand{\@@hgradrule@bidipres}[3][0pt]{%
\newcommand{\dblhgradrule}[1][]% Pick up first optional argument: [<midpoint>].
{%
\let\firstgradprogression@bidipres=\rulefirstgradprogression% Use progression parameters for rules.
\let\secondgradprogression@bidipres=\rulesecondgradprogression
\ifthenelse{\equal{#1}{}}{\let\gradmidpoint@bidipres=\rulegradmidpoint}{\def\gradmidpoint@bidipres{#1}}%
\dblhgradrule@bidipres
}
\newcommand{\dblhgradrule@bidipres}[1][]% Pick up second optional argument: [<stripes>].
{%
\ifthenelse{\equal{#1}{}}{\setcounter{stripes@bidipres}{\rulestripes}}{\setcounter{stripes@bidipres}{#1}}%
\@dblhgradrule@bidipres
}
\newcommand{\@dblhgradrule@bidipres}[2][]% Pick up next pair of arguments: [<startmodel>]{<startcolor>}.
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{startcolor@bidipres}{#2}}{\definecolor{startcolor@bidipres}{#1}{#2}}%
\@@dblhgradrule@bidipres
}
\newcommand{\@@dblhgradrule@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{midcolor@bidipres}{#2}}{\definecolor{midcolor@bidipres}{#1}{#2}}%
\@@@dblhgradrule@bidipres
}
\newcommand{\@@@dblhgradrule@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}
{\replacecolor{endcolor@bidipres}{#2}}
{\definecolor{endcolor@bidipres}{#1}{#2}}%
\@@@@dblhgradrule@bidipres% Pick up rule arguments and proceed.
}
\newcommand{\@@@@dblhgradrule@bidipres}[3][0pt]% Main part of \dblhgradrule.
{%
\ifthenelse{\value{stripes@bidipres}<2}% The gradient code is not equipped for making less than 2 stripes.
{\mbox{{\setcolor@bidipres{midcolor@bidipres}\rule[#1]{#2}{#3}}}}% In this case, just produce a rule colored with the middle color.
{%
\raisebox{#1}% Evaluate the <raise> argument of the rule.
{%
\setcounter{stripe@bidipres}{0}% Initialize the number of the current stripe.
\setcounter{tmpcnta@bidipres}% Number of the `middle' stripe.
{\value{stripes@bidipres}*\real{\gradmidpoint@bidipres}}%
\whiledo{\value{stripe@bidipres}<\value{tmpcnta@bidipres}}% Produce the left part of the gradient.
{%
\mkgradfirstfactor@bidipres{\tmp@bidipres}% Make the weight for \colorbetween, based on the number of the
{\value{stripe@bidipres}/\value{tmpcnta@bidipres}}% current stripe and the first gradient progression.
\colorbetween[\tmp@bidipres]{stripecolor@bidipres}{midcolor@bidipres}{startcolor@bidipres}% Calculate stripe color.
\vstripe@bidipres{\tmp@bidipres}% Make stripe with overlap.
{(#2)/\value{stripes@bidipres}+\stripeoverlap}{#3}{\kern-\stripeoverlap}% This is the left part, remember?
\stepcounter{stripe@bidipres}%
}%
\stepcounter{tmpcnta@bidipres}%
\ifthenelse{\value{stripes@bidipres}=\value{tmpcnta@bidipres}}% Only one stripe left to produce?
{\vstripe@bidipres{1}{(#2)/\value{stripes@bidipres}}{#3}{}}% Just produce one stripe colored with the end color.
{%
\whiledo{\value{stripe@bidipres}<\value{stripes@bidipres}}% Produce the right part of the gradient.
{%
\mkgradsecondfactor@bidipres{\tmp@bidipres}% Make the weight for \colorbetween.
{(\value{stripe@bidipres}-\value{tmpcnta@bidipres})/(\value{stripes@bidipres}-\value{tmpcnta@bidipres}-1)}%
\colorbetween[\tmp@bidipres]{stripecolor@bidipres}{endcolor@bidipres}{midcolor@bidipres}% Calculate stripe color.
\stepcounter{stripe@bidipres}%
\ifthenelse{\value{stripe@bidipres}=\value{stripes@bidipres}}% Last stripe?
{\vstripe@bidipres{\tmp@bidipres}{(#2)/\value{stripes@bidipres}}{#3}{}}% Yes; make stripe w/o overlap.
{% Add kern to make stripes overlap.
\vstripe@bidipres{\tmp@bidipres}{(#2)/\value{stripes@bidipres}+\stripeoverlap}{#3}{\kern-\stripeoverlap}%
}%
}% matches \whiledo{\value{stripe@bidipres}<\value{stripes@bidipres}}{%
}% matches second argument of \ifthenelse{\value{stripes@bidipres}=\value{tmpcnta@bidipres}}%
}% matches \raisebox{#1}{%
}% matches second argument of \ifthenelse{\value{stripes@bidipres}<2}%
}% matches \newcommand{\@@@@dblhgradrule@bidipres}[3][0pt]{%
\providecommand{\clipbox}[2][\z@]{\leavevmode\hbox{#2}}
\newcommand{\dgradslope}{1,1}
\newcounter{dgradhslope@bidipres}
\newcounter{dgradvslope@bidipres}
\def\setdgradslope(#1,#2){\setcounter{dgradhslope@bidipres}{#1}\setcounter{dgradvslope@bidipres}{#2}}
\newcommand{\dgradrule}[1][]
{%
\ifthenelse{\equal{#1}{}}{\expandafter\setdgradslope\expandafter(\dgradslope)}{\setdgradslope(#1)}%
\dgradrule@bidipres
}
\newcommand{\dgradrule@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{startcolor@bidipres}{#2}}{\definecolor{startcolor@bidipres}{#1}{#2}}%
\@dgradrule@bidipres
}
\newcommand{\@dgradrule@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{endcolor@bidipres}{#2}}{\definecolor{endcolor@bidipres}{#1}{#2}}%
\@@dgradrule@bidipres
}
\newcommand{\dstripewd@bidipres}{.7pt}
\newcommand{\@@dgradrule@bidipres}[3][0pt]
{%
\raisebox{#1}
{%
\thicklines
\setcounter{stripe@bidipres}{0}%
\setcounter{tmpcnta@bidipres}{1*\ratio{#3}{\dstripewd@bidipres}}%
\setcounter{stripes@bidipres}{1*\ratio{#3}{\dstripewd@bidipres}+1*\ratio{#2}{\dstripewd@bidipres}}%
\@xarg\c@dgradhslope@bidipres\@yarg\c@dgradvslope@bidipres
\makebox[\dstripewd@bidipres]
{%
\whiledo{\value{stripe@bidipres}<\value{tmpcnta@bidipres}}
{%
\mkfactor{\tmp@bidipres}{\value{stripe@bidipres}/(\value{stripes@bidipres}-1)}%
\colorbetween[\tmp@bidipres]{stripecolor@bidipres}{endcolor@bidipres}{startcolor@bidipres}%
\setlength{\@linelen}{\dstripewd@bidipres*\value{stripe@bidipres}}%
\raisebox{\dstripewd@bidipres*(\value{tmpcnta@bidipres}-\value{stripe@bidipres})}
{\makebox[0pt]{{\setcolor@bidipres{stripecolor@bidipres}\hbox to 0pt{\@sline\hss}}}}%
\stepcounter{stripe@bidipres}%
}%
}%
\whiledo{\value{stripe@bidipres}<\value{stripes@bidipres}}
{%
\mkfactor{\tmp@bidipres}{\value{stripe@bidipres}/(\value{stripes@bidipres}-1)}%
\colorbetween[\tmp@bidipres]{stripecolor@bidipres}{endcolor@bidipres}{startcolor@bidipres}%
\makebox[\dstripewd@bidipres]{{\setcolor@bidipres{stripecolor@bidipres}.}}%
\stepcounter{stripe@bidipres}%
}%
}%
}%
\newcommand{\vgradbox}[1][]% Pick up first optional argument: [<stripes>].
{%
\let\firstgradprogression@bidipres=\rulefirstgradprogression% Use progression parameter for rules.
\ifthenelse{\equal{#1}{}}% First optional argument given?
{\setcounter{stripes@bidipres}{\rulestripes}}% No; use default value.
{\setcounter{stripes@bidipres}{#1}}% Yes.
\vgradbox@bidipres% Pick up remaining optional arguments.
}
\newcommand{\vgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{startcolor@bidipres}{#2}}{\definecolor{startcolor@bidipres}{#1}{#2}}%
\@vgradbox@bidipres
}
\newcommand{\@vgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{endcolor@bidipres}{#2}}{\definecolor{endcolor@bidipres}{#1}{#2}}%
\@@gradbox@bidipres\@@vgradrule@bidipres% Make a generic background box with vertical gradient background.
}
\newcommand{\@@gradbox@bidipres}[2]% Generic background box.
{%
\leavevmode% Make box behave like \mbox.
\setbox\tempbox@bidipres
\hbox{\kern\fboxsep{\set@color#2}\kern\fboxsep}% An \hbox containing <contents> plus additional white space.
\rlap% Underlay box background with rule command passed as #1.
{%
#1[-\fboxsep-\dp\tempbox@bidipres]% Box depth augmented by `white' space.
{\wd\tempbox@bidipres}% Space on the sides has already been added.
{\ht\tempbox@bidipres+\dp\tempbox@bidipres+2\fboxsep}}% Total height.
\box\tempbox@bidipres% Overlay box contents.
}%
\newcommand{\hgradbox}[1][]
{%
\let\secondgradprogression@bidipres=\rulesecondgradprogression
\ifthenelse{\equal{#1}{}}{\setcounter{stripes@bidipres}{\rulestripes}}{\setcounter{stripes@bidipres}{#1}}%
\hgradbox@bidipres
}
\newcommand{\hgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{startcolor@bidipres}{#2}}{\definecolor{startcolor@bidipres}{#1}{#2}}%
\@hgradbox@bidipres
}
\newcommand{\@hgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{endcolor@bidipres}{#2}}{\definecolor{endcolor@bidipres}{#1}{#2}}%
\@@gradbox@bidipres\@@hgradrule@bidipres
}
\newcommand{\dblvgradbox}[1][]
{%
\let\firstgradprogression@bidipres=\rulefirstgradprogression% Use progression parameters for rules.
\let\secondgradprogression@bidipres=\rulesecondgradprogression
\ifthenelse{\equal{#1}{}}{\let\gradmidpoint@bidipres=\rulegradmidpoint}{\def\gradmidpoint@bidipres{#1}}%
\dblvgradbox@bidipres
}
\newcommand{\dblvgradbox@bidipres}[1][]
{%
\ifthenelse{\equal{#1}{}}{\setcounter{stripes@bidipres}{\rulestripes}}{\setcounter{stripes@bidipres}{#1}}%
\@dblvgradbox@bidipres
}
\newcommand{\@dblvgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{startcolor@bidipres}{#2}}{\definecolor{startcolor@bidipres}{#1}{#2}}%
\@@dblvgradbox@bidipres
}
\newcommand{\@@dblvgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{midcolor@bidipres}{#2}}{\definecolor{midcolor@bidipres}{#1}{#2}}%
\@@@dblvgradbox@bidipres
}
\newcommand{\@@@dblvgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{endcolor@bidipres}{#2}}{\definecolor{endcolor@bidipres}{#1}{#2}}%
\@@gradbox@bidipres\@@@@dblvgradrule@bidipres
}
\newcommand{\dblhgradbox}[1][]
{%
\let\firstgradprogression@bidipres=\rulefirstgradprogression
\let\secondgradprogression@bidipres=\rulesecondgradprogression
\ifthenelse{\equal{#1}{}}{\let\gradmidpoint@bidipres=\rulegradmidpoint}{\def\gradmidpoint@bidipres{#1}}%
\dblhgradbox@bidipres
}
\newcommand{\dblhgradbox@bidipres}[1][]
{%
\ifthenelse{\equal{#1}{}}{\setcounter{stripes@bidipres}{\rulestripes}}{\setcounter{stripes@bidipres}{#1}}%
\@dblhgradbox@bidipres
}
\newcommand{\@dblhgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{startcolor@bidipres}{#2}}{\definecolor{startcolor@bidipres}{#1}{#2}}%
\@@dblhgradbox@bidipres
}
\newcommand{\@@dblhgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{midcolor@bidipres}{#2}}{\definecolor{midcolor@bidipres}{#1}{#2}}%
\@@@dblhgradbox@bidipres
}
\newcommand{\@@@dblhgradbox@bidipres}[2][]
{%
\ifthenelse{\equal{#1}{}}{\replacecolor{endcolor@bidipres}{#2}}{\definecolor{endcolor@bidipres}{#1}{#2}}%
\@@gradbox@bidipres\@@@@dblhgradrule@bidipres
}
\newcommand{\backgroundstyle}[2][]
{%
\replacecolor{startcolor@bidipres}{bgndstartcolor}% Initialize the internal counterparts
\replacecolor{midcolor@bidipres}{bgndmidcolor}% of parameters to their default values.
\replacecolor{endcolor@bidipres}{bgndendcolor}%
\replacecolor{bgndtoppanelcolor@bidipres}{toppanelcolor}%
\replacecolor{bgndbottompanelcolor@bidipres}{bottompanelcolor}%
\replacecolor{bgndleftpanelcolor@bidipres}{leftpanelcolor}%
\replacecolor{bgndrightpanelcolor@bidipres}{rightpanelcolor}%
\let\firstgradprogression@bidipres=\bgndfirstgradprogression
\let\secondgradprogression@bidipres=\bgndsecondgradprogression%
\setcounter{stripes@bidipres}{\bgndstripes}%
\let\gradmidpoint@bidipres=\bgndgradmidpoint
\let\bgndtoppanelheight@bidipres=\empty% The panel dimensions depend on other parameters. If they are not
\let\bgndbottompanelheight@bidipres=\empty% set directly, defaults are calculated after setting keyval
\let\bgndleftpanelwidth@bidipres=\empty% parameters.
\let\bgndrightpanelwidth@bidipres=\empty
\let\hpanelsvalue@bidipres=\empty
\setboolean{autopanels@bidipres}{true}%
\csname set#2bgnd@bidipres\endcsname{#1}% Execute the style-specific command which defines the background box.
}
\newcommand{\bgndstripes}{10}
\newcommand{\bgndgradmidpoint}{.5}
\newcommand{\bgndfirstgradprogression}{1}
\newcommand{\bgndsecondgradprogression}{1}
\newcommand{\bgndtoppanelheight}{0pt}
\newcommand{\bgndbottompanelheight}{0pt}
\newcommand{\bgndleftpanelwidth}{0pt}
\newcommand{\bgndrightpanelwidth}{0pt}
\newcommand{\bgndtoppanelheight@bidipres}{0pt}
\newcommand{\bgndtoppanelwidth@bidipres}{0pt}
\newcommand{\bgndbottompanelheight@bidipres}{0pt}
\newcommand{\bgndbottompanelwidth@bidipres}{0pt}
\newcommand{\bgndleftpanelheight@bidipres}{0pt}
\newcommand{\bgndleftpanelwidth@bidipres}{0pt}
\newcommand{\bgndrightpanelheight@bidipres}{0pt}
\newcommand{\bgndrightpanelwidth@bidipres}{0pt}
\newboolean{hpanels@bidipres}
\newboolean{autopanels@bidipres}
\define@key{bgnd@bidipres}{stripes}{\setcounter{stripes@bidipres}{#1}}
\define@key{bgnd@bidipres}{startcolor}{\replacecolor{startcolor@bidipres}{#1}}
\define@key{bgnd@bidipres}{startcolordef}{\definecolor{startcolor@bidipres}#1}
\define@key{bgnd@bidipres}{midcolor}{\replacecolor{midcolor@bidipres}{#1}}
\define@key{bgnd@bidipres}{midcolordef}{\definecolor{midcolor@bidipres}#1}
\define@key{bgnd@bidipres}{endcolor}{\replacecolor{endcolor@bidipres}{#1}}
\define@key{bgnd@bidipres}{endcolordef}{\definecolor{endcolor@bidipres}#1}
\define@key{bgnd@bidipres}{gradmidpoint}{\edef\gradmidpoint@bidipres{#1}}
\define@key{bgnd@bidipres}{firstgradprogression}{\def\firstgradprogression@bidipres{#1}}
\define@key{bgnd@bidipres}{secondgradprogression}{\def\secondgradprogression@bidipres{#1}}
\define@key{bgnd@bidipres}{hpanels}[true]{\def\hpanelsvalue@bidipres{#1}}
\define@key{bgnd@bidipres}{autopanels}[true]{\setboolean{autopanels@bidipres}{#1}}
\define@key{bgnd@bidipres}{toppanelcolor}{\replacecolor{bgndtoppanelcolor@bidipres}{#1}}
\define@key{bgnd@bidipres}{toppanelcolordef}{\definecolor{bgndtoppanelcolor@bidipres}#1}
\define@key{bgnd@bidipres}{bottompanelcolor}{\replacecolor{bgndbottompanelcolor@bidipres}{#1}}
\define@key{bgnd@bidipres}{bottompanelcolordef}{\definecolor{bgndbottompanelcolor@bidipres}#1}
\define@key{bgnd@bidipres}{leftpanelcolor}{\replacecolor{bgndleftpanelcolor@bidipres}{#1}}
\define@key{bgnd@bidipres}{leftpanelcolordef}{\definecolor{bgndleftpanelcolor@bidipres}#1}
\define@key{bgnd@bidipres}{rightpanelcolor}{\replacecolor{bgndrightpanelcolor@bidipres}{#1}}
\define@key{bgnd@bidipres}{rightpanelcolordef}{\definecolor{bgndrightpanelcolor@bidipres}#1}
\define@key{bgnd@bidipres}{toppanelheight}{\mklength@bidipres{\bgndtoppanelheight@bidipres}{#1}}
\define@key{bgnd@bidipres}{bottompanelheight}{\mklength@bidipres{\bgndbottompanelheight@bidipres}{#1}}
\define@key{bgnd@bidipres}{leftpanelwidth}{\mklength@bidipres{\bgndleftpanelwidth@bidipres}{#1}}
\define@key{bgnd@bidipres}{rightpanelwidth}{\mklength@bidipres{\bgndrightpanelwidth@bidipres}{#1}}
\newbox\bgndbox@bidipres
\setbox\bgndbox@bidipres\null% Default: Empty.
\newcommand{\mkpanels@bidipres}[1]%
{%
\ifthenelse{\boolean{hpanels@bidipres}}% `horizontal' panels?
{% Yes. Vertically align top panel, center area with left and right panels, and bottom panel.
\vbox% A vbox with \offinterlineskip allows to align the
{% horizontal panels with the `background center'.
\offinterlineskip
\ifthenelse{\lengthtest{\bgndtoppanelheight@bidipres=0pt}}% Should top panel be created?
{}% No.
{%
\hbox{{%
\setcolor@bidipres{bgndtoppanelcolor@bidipres}%
\rule{\bgndtoppanelwidth@bidipres}{\bgndtoppanelheight@bidipres}% Make horizontal colored area.
}}%
}%
\hbox% Make `background center'.
{%
\ifthenelse{\lengthtest{\bgndleftpanelwidth@bidipres=0pt}}% Should left panel be created?
{}% No.
{{%
\setcolor@bidipres{bgndleftpanelcolor@bidipres}%
\rule{\bgndleftpanelwidth@bidipres}{\bgndleftpanelheight@bidipres}% Make vertical colored area.
}}%
#1% Make main background object.
{\bgndtoppanelwidth@bidipres-\bgndleftpanelwidth@bidipres-\bgndrightpanelwidth@bidipres}% Calculate remaining space in the center.
{\bgndleftpanelheight@bidipres}%
\ifthenelse{\lengthtest{\bgndrightpanelwidth@bidipres=0pt}}% Should right panel be created?
{}% No.
{{%
\setcolor@bidipres{bgndrightpanelcolor@bidipres}%
\rule{\bgndrightpanelwidth@bidipres}{\bgndrightpanelheight@bidipres}% Make vertical colored area.
}}%
}% matches \hbox{%
\ifthenelse{\lengthtest{\bgndbottompanelheight@bidipres=0pt}}% Should bottom panel be created?
{}% No.
{%
\hbox
{{%
\setcolor@bidipres{bgndbottompanelcolor@bidipres}%
\rule{\bgndbottompanelwidth@bidipres}{\bgndbottompanelheight@bidipres}% Make horizontal colored area.
}}%
}%
}% matches \vbox{%
}% matches \ifthenelse{\boolean{hpanels@bidipres}}{%
{% No. Horizontally align left panel, center area with top and bottom panels, and right panel.
\ifthenelse{\lengthtest{\bgndleftpanelwidth@bidipres=0pt}}% Should left panel be created?
{}% No.
{{%
\setcolor@bidipres{bgndleftpanelcolor@bidipres}%
\rule{\bgndleftpanelwidth@bidipres}{\bgndleftpanelheight@bidipres}% Make vertical colored area.
}}%
\vbox% A vbox with \offinterlineskip allows to align
{% the horizontal panels with the center object.
\offinterlineskip
\ifthenelse{\lengthtest{\bgndtoppanelheight@bidipres=0pt}}% Should top panel be created?
{}% No.
{%
\hbox%
{{%
\setcolor@bidipres{bgndtoppanelcolor@bidipres}%
\rule{\bgndtoppanelwidth@bidipres}{\bgndtoppanelheight@bidipres}% Make horizontal colored area.
}}%
}%
\hbox% Make main background object.
{%
#1%
{\bgndtoppanelwidth@bidipres}%
{\bgndleftpanelheight@bidipres-\bgndtoppanelheight@bidipres-\bgndbottompanelheight@bidipres}% Calculate space in the center.
}%
\ifthenelse{\lengthtest{\bgndbottompanelheight@bidipres=0pt}}% Should bottom panel be created?
{}% No.
{%
\hbox%
{{%
\setcolor@bidipres{bgndbottompanelcolor@bidipres}%
\rule{\bgndbottompanelwidth@bidipres}{\bgndbottompanelheight@bidipres}% Make horizontal colored area.
}}%
}%
}% matches \vbox{%
\ifthenelse{\lengthtest{\bgndrightpanelwidth@bidipres=0pt}}% Should right panel be created?
{}% No.
{{%
\setcolor@bidipres{bgndrightpanelcolor@bidipres}%
\rule{\bgndrightpanelwidth@bidipres}{\bgndrightpanelheight@bidipres}% Make vertical colored area.
}}%
}% matches second argument of \ifthenelse{\boolean{hpanels@bidipres}}
}% matches \newcommand{\mkpanels@bidipres}[1]{%
\newcommand{\initpanels@bidipres}[1]%
{%
\ifx\hpanelsvalue@bidipres\empty% Has the hpanels parameter been given?
\setboolean{hpanels@bidipres}{#1}% No; use default.
\else
\setboolean{hpanels@bidipres}{\hpanelsvalue@bidipres}% Yes; use parameter setting.
\fi
\ifthenelse{\boolean{hpanels@bidipres}}% `horizontal' panel direction?
{% Yes. Horizontal panels are `outer', vertical panels are `inner'.
\let\bgndtoppanelwidth@bidipres=\bidiprespagewidth% Full width for horizontal panels.
\let\bgndbottompanelwidth@bidipres=\bidiprespagewidth%
\ifthenelse{\equal{\bgndtoppanelheight@bidipres}{}}% Has the top panel height been set?
{% No. Guess default.
\ifx\toppanelcontents@bidipres\empty% Is the panel defined?
\mklength@bidipres{\bgndtoppanelheight@bidipres}{\bgndtoppanelheight}% Use background-specific default.
\else
\ifthenelse{\boolean{autopanels@bidipres}}% Calculate panel dimensions?
{% Yes.
\calcvdimen@bidipres{\bgndtoppanelheight@bidipres}{\bgndtoppanelwidth@bidipres}% Measure the height of panel contents.
{\toppanelcontents@bidipres}%
\let\toppanelheight=\bgndtoppanelheight@bidipres% Overwrite panel settings.
\let\toppanelwidth=\bgndtoppanelwidth@bidipres%
\def\toppanelshift{0pt}% Top panel spans the whole upper screen.
}
{% No
\mklength@bidipres{\bgndtoppanelheight@bidipres}{\toppanelheight}% Use panel-specific default.
}%
\fi
}% matches \ifthenelse{\equal{\bgndtoppanelheight@bidipres}{}}
{% Yes.
\let\toppanelheight=\bgndtoppanelheight@bidipres% Overwrite panel settings - use user-supplied value.
}
\ifthenelse{\equal{\bgndbottompanelheight@bidipres}{}}% Has the bottom panel height been set?
{% No. Guess default.
\ifx\bottompanelcontents@bidipres\empty% Is the bottom panel defined?
\mklength@bidipres{\bgndbottompanelheight@bidipres}{\bgndbottompanelheight}% Use background-specific default.
\else
\ifthenelse{\boolean{autopanels@bidipres}}% Calculate panel dimensions?
{% Yes.
\calcvdimen@bidipres{\bgndbottompanelheight@bidipres}{\bgndbottompanelwidth@bidipres}% Measure the height of panel contents.
{\bottompanelcontents@bidipres}%
\let\bottompanelheight=\bgndbottompanelheight@bidipres% Overwrite panel settings.
\let\bottompanelwidth=\bgndbottompanelwidth@bidipres%
\def\bottompanelshift{0pt}% Bottom panel spans the whole upper screen.
}
{% No
\mklength@bidipres{\bgndbottompanelheight@bidipres}{\bottompanelheight}% Use panel-specific default.
}%
\fi
}% matches \ifthenelse{\equal{\bgndbottompanelheight@bidipres}{}}
{% Yes.
\let\bottompanelheight=\bgndbottompanelheight@bidipres% Overwrite panel settings - use user-supplied value.
}
\mklength@bidipres{\bgndleftpanelheight@bidipres}% Calculate remaining space in the center.
{\bidiprespageheight-\bgndtoppanelheight@bidipres-\bgndbottompanelheight@bidipres}%
\let\bgndrightpanelheight@bidipres=\bgndleftpanelheight@bidipres% Height of left and right panels is equal.
\ifthenelse{\equal{\bgndleftpanelwidth@bidipres}{}}% Has the left panel width been set?
{% No. Guess default.
\ifx\leftpanelcontents@bidipres\empty% Is the panel defined?
\mklength@bidipres{\bgndleftpanelwidth@bidipres}{\bgndleftpanelwidth}% Use background-specific default.
\else
\ifthenelse{\boolean{autopanels@bidipres}}% Calculate panel dimensions?
{% Yes.
\calchdimen@bidipres{\bgndleftpanelwidth@bidipres}{\bgndleftpanelheight@bidipres}% Measure the `optimal' width of panel contents.
{\leftpanelcontents@bidipres}%
\let\leftpanelheight=\bgndleftpanelheight@bidipres% Overwrite panel settings.
\let\leftpanelwidth=\bgndleftpanelwidth@bidipres%
\let\leftpanelraise=\bgndbottompanelheight@bidipres% Left panel is raised above bottom panel.
}
{% No
\mklength@bidipres{\bgndleftpanelwidth@bidipres}{\leftpanelwidth}% Use panel-specific default.
}%
\fi
}% matches \ifthenelse{\equal{\bgndleftpanelwidth@bidipres}{}}
{% Yes.
\let\leftpanelwidth=\bgndleftpanelwidth@bidipres% Overwrite panel settings - use user-supplied value.
}
\ifthenelse{\equal{\bgndrightpanelwidth@bidipres}{}}% Has the right panel width been set?
{% No. Guess default.
\ifx\rightpanelcontents@bidipres\empty% Is the panel defined?
\mklength@bidipres{\bgndrightpanelwidth@bidipres}{\bgndrightpanelwidth}% Use background-specific default.
\else
\ifthenelse{\boolean{autopanels@bidipres}}% Calculate panel dimensions?
{% Yes.
\calchdimen@bidipres{\bgndrightpanelwidth@bidipres}{\bgndrightpanelheight@bidipres}% Measure `optimal' width of panel contents.
{\rightpanelcontents@bidipres}%
\let\rightpanelheight=\bgndrightpanelheight@bidipres% Overwrite panel settings.
\let\rightpanelwidth=\bgndrightpanelwidth@bidipres%
\let\rightpanelraise=\bgndbottompanelheight@bidipres% Right panel is raised above bottom panel.
}
{% No
\mklength@bidipres{\bgndrightpanelwidth@bidipres}{\rightpanelwidth}% Use panel-specific default.
}%
\fi
}% matches \ifthenelse{\equal{\bgndrightpanelwidth@bidipres}{}}
{% Yes.
\let\rightpanelwidth=\bgndrightpanelwidth@bidipres% Overwrite panel settings - use user-supplied value.
}
}% matches \ifthenelse{\boolean{hpanels@bidipres}}
{% No. Vertical panels are `outer', horizontal panels are `inner'.
\let\bgndleftpanelheight@bidipres=\bidiprespageheight% Full height for vertical panels.
\let\bgndrightpanelheight@bidipres=\bidiprespageheight%
\ifthenelse{\equal{\bgndleftpanelwidth@bidipres}{}}% Has the left panel width been set?
{% No. Guess default.
\ifx\leftpanelcontents@bidipres\empty% Is the panel defined?
\mklength@bidipres{\bgndleftpanelwidth@bidipres}{\bgndleftpanelwidth}% Use background-specific default.
\else
\ifthenelse{\boolean{autopanels@bidipres}}% Calculate panel dimensions?
{% Yes.
\calchdimen@bidipres{\bgndleftpanelwidth@bidipres}{\bgndleftpanelheight@bidipres}% Measure the `optimal' width of panel contents.
{\leftpanelcontents@bidipres}%
\let\leftpanelheight=\bgndleftpanelheight@bidipres% Overwrite panel settings.
\let\leftpanelwidth=\bgndleftpanelwidth@bidipres%
\def\leftpanelraise{0pt}% Left panel spans the whole left part of the screen.
}
{% No
\mklength@bidipres{\bgndleftpanelwidth@bidipres}{\leftpanelwidth}% Use panel-specific default.
}%
\fi
}% matches \ifthenelse{\equal{\bgndleftpanelwidth@bidipres}{}}
{% Yes.
\let\leftpanelwidth=\bgndleftpanelwidth@bidipres% Overwrite panel settings - use user-supplied value.
}
\ifthenelse{\equal{\bgndrightpanelwidth@bidipres}{}}% Has the right panel width been set?
{% No. Guess default.
\ifx\rightpanelcontents@bidipres\empty% Is the panel defined?
\mklength@bidipres{\bgndrightpanelwidth@bidipres}{\bgndrightpanelwidth}% Use background-specific default.
\else
\ifthenelse{\boolean{autopanels@bidipres}}% Calculate panel dimensions?
{% Yes.
\calchdimen@bidipres{\bgndrightpanelwidth@bidipres}{\bgndrightpanelheight@bidipres}% Measure `optimal' width of panel contents.
{\rightpanelcontents@bidipres}%
\let\rightpanelheight=\bgndrightpanelheight@bidipres% Overwrite panel settings.
\let\rightpanelwidth=\bgndrightpanelwidth@bidipres%
\def\rightpanelraise{0pt}% Right panel spans the whole left part of the screen.
}
{% No
\mklength@bidipres{\bgndrightpanelwidth@bidipres}{\rightpanelwidth}% Use panel-specific default.
}%
\fi
}% matches \ifthenelse{\equal{\bgndrightpanelwidth@bidipres}{}}
{% Yes.
\let\rightpanelwidth=\bgndrightpanelwidth@bidipres% Overwrite panel settings - use user-supplied value.
}
\mklength@bidipres{\bgndtoppanelwidth@bidipres}% Calculate remaining space in the center.
{\bidiprespagewidth-\bgndleftpanelwidth@bidipres-\bgndrightpanelwidth@bidipres}%
\let\bgndbottompanelwidth@bidipres=\bgndtoppanelwidth@bidipres% Width of top and bottom panels is equal.
\ifthenelse{\equal{\bgndtoppanelheight@bidipres}{}}% Has the top panel height been set?
{% No. Guess default.
\ifx\toppanelcontents@bidipres\empty% Is the panel defined?
\mklength@bidipres{\bgndtoppanelheight@bidipres}{\bgndtoppanelheight}% Use background-specific default.
\else
\ifthenelse{\boolean{autopanels@bidipres}}% Calculate panel dimensions?
{% Yes.
\calcvdimen@bidipres{\bgndtoppanelheight@bidipres}{\bgndtoppanelwidth@bidipres}% Measure the height of panel contents.
{\toppanelcontents@bidipres}%
\let\toppanelheight=\bgndtoppanelheight@bidipres% Overwrite panel settings.
\let\toppanelwidth=\bgndtoppanelwidth@bidipres%
\let\toppanelshift=\bgndleftpanelwidth@bidipres% Shift top panel to the right of left panel.
}
{% No
\mklength@bidipres{\bgndtoppanelheight@bidipres}{\toppanelheight}% Use panel-specific default.
}%
\fi
}% matches \ifthenelse{\equal{\bgndtoppanelheight@bidipres}{}}
{% Yes.
\let\toppanelheight=\bgndtoppanelheight@bidipres% Overwrite panel settings - use user-supplied value.
}
\ifthenelse{\equal{\bgndbottompanelheight@bidipres}{}}% Has the bottom panel height been set?
{% No. Guess default.
\ifx\bottompanelcontents@bidipres\empty% Is the panel defined?
\mklength@bidipres{\bgndbottompanelheight@bidipres}{\bgndbottompanelheight}% Use background-specific default.
\else
\ifthenelse{\boolean{autopanels@bidipres}}% Calculate panel dimensions?
{% Yes.
\calcvdimen@bidipres{\bgndbottompanelheight@bidipres}{\bgndbottompanelwidth@bidipres}% Measure the height of panel contents.
{\bottompanelcontents@bidipres}%
\let\bottompanelheight=\bgndbottompanelheight@bidipres% Overwrite panel settings.
\let\bottompanelwidth=\bgndbottompanelwidth@bidipres%
\let\bottompanelshift=\bgndleftpanelwidth@bidipres% Shift bottom panel to the right of left panel.
}
{% No
\mklength@bidipres{\bgndbottompanelheight@bidipres}{\bottompanelheight}% Use panel-specific default.
}%
\fi
}% matches \ifthenelse{\equal{\bgndbottompanelheight@bidipres}{}}
{% Yes.
\let\bottompanelheight=\bgndbottompanelheight@bidipres% Overwrite panel settings - use user-supplied value.
}
}% matches second argument of \ifthenelse{\boolean{hpanels@bidipres}}
}% matches \newcommand{\initpanels@bidipres}[1]{
\newcommand{\phantomrule@bidipres}[2]{\rule{0pt}{#2}\rule{#1}{0pt}}
\newcommand{\setnonebgnd@bidipres}[1]% Implementation of the background style ``none''.
{\global\setbox\bgndbox@bidipres=\null}% Just produce an empty box.
\newcommand{\setplainbgnd@bidipres}[1]% Implementation of the background style ``plain''.
{%
\setkeys{bgnd@bidipres}{#1}% Evaluate parameters.
\initpanels@bidipres{true}% Initialize panel parameters.
\global\setbox\bgndbox@bidipres=\hbox{\mkpanels@bidipres{\phantomrule@bidipres}}% Make panels only.
}%
\newcommand{\setvgradientbgnd@bidipres}[1]% Implementation of the background style ``vgradient''.
{%
\setkeys{bgnd@bidipres}{#1}% Evaluate parameters.
\initpanels@bidipres{false}% Initialize panel parameters.
\global\setbox\bgndbox@bidipres=\hbox{\mkpanels@bidipres{\@@vgradrule@bidipres}}% Make background box.
}
\newcommand{\sethgradientbgnd@bidipres}[1]% Implementation of the background style ``hgradient''.
{%
\setkeys{bgnd@bidipres}{#1}% Evaluate parameters.
\initpanels@bidipres{true}% Initialize panel parameters.
\global\setbox\bgndbox@bidipres=\hbox{\mkpanels@bidipres{\@@hgradrule@bidipres}}% Make background box.
}
\newcommand{\setdoublevgradientbgnd@bidipres}[1]% Implementation of the background style ``doublevgradient''.
{%
\setkeys{bgnd@bidipres}{#1}% Evaluate parameters.
\initpanels@bidipres{false}% Initialize panel parameters.
\global\setbox\bgndbox@bidipres=\hbox{\mkpanels@bidipres{\@@@@dblvgradrule@bidipres}}% Make background box.
}
\newcommand{\setdoublehgradientbgnd@bidipres}[1]% Implementation of the background style ``doublehgradient''.
{%
\setkeys{bgnd@bidipres}{#1}% Evaluate parameters.
\initpanels@bidipres{true}% Initialize panel parameters.
\global\setbox\bgndbox@bidipres=\hbox{\mkpanels@bidipres{\@@@@dblhgradrule@bidipres}}% Make background box.
}
\providecommand{\hpagecolor}[2][]
{%
\ifthenelse{\equal{#1}{}}
{\colorbetween{ppendcolor}{#2}{white}\backgroundstyle[startcolor=#2,endcolor=ppendcolor]{hgradient}}
{\backgroundstyle[startcolor=#1,endcolor=#2]{hgradient}}%
}
\providecommand{\vpagecolor}[2][]
{%
\ifthenelse{\equal{#1}{}}
{\colorbetween{ppendcolor}{#2}{white}\backgroundstyle[startcolor=#2,endcolor=ppendcolor]{vgradient}}
{\backgroundstyle[startcolor=#1,endcolor=#2]{vgradient}}%
}
\mklength@bidipres{\panelmargin}{\fboxsep}
\newcommand{\toppanelwidth}{\bidiprespagewidth}% Width.
\newcommand{\toppanelheight}{\bidiprespageheight/5}% Height.
\newcommand{\toppanelshift}{0pt}% Space between left screen edge and left edge of top panel.
\newcommand{\bottompanelwidth}{\bidiprespagewidth}% Width.
\newcommand{\bottompanelheight}{\bidiprespageheight/5}% Height.
\newcommand{\bottompanelshift}{0pt}% Space between left screen edge and left edge of bottom panel.
\newcommand{\leftpanelwidth}{\bidiprespagewidth/5}% Width.
\newcommand{\leftpanelheight}{\bidiprespageheight}% Height.
\newcommand{\leftpanelraise}{0pt}% Space between bottom screen edge and bottom edge of left panel.
\newcommand{\rightpanelwidth}{\bidiprespagewidth/5}% Width.
\newcommand{\rightpanelheight}{\bidiprespageheight}% Height.
\newcommand{\rightpanelraise}{0pt}% Space between bottom screen edge and bottom edge of left panel.
\newcommand*{\toppanelcontents@bidipres}{}
\newcommand*{\bottompanelcontents@bidipres}{}
\newcommand*{\leftpanelcontents@bidipres}{}
\newcommand*{\rightpanelcontents@bidipres}{}
\newcommand{\DeclarePanel}{\@ifstar\auto@declarepanel@bidipres\declarepanel@bidipres}
\newcommand{\declarepanel@bidipres}[3][]% Non-starred version of \DeclarePanel.
{%
\expandafter\gdef\csname #2panelcontents@bidipres\endcsname{#3}% Just store panel contents.
\ifthenelse{\equal{#1}{}}{}{\csname store#2panel@bidipres\endcsname{#1}}% If <name> was given, store panel parameters away.
}%
\newcommand{\storetoppanel@bidipres}[1]
{%
\expandafter\global\expandafter\let\csname toppanelcontents@bidipres@#1\endcsname\toppanelcontents@bidipres% Contents.
\expandafter\global\expandafter\let\csname toppanelwidth@bidipres@#1\endcsname\toppanelwidth@bidipres% Width.
\expandafter\global\expandafter\let\csname toppanelheight@bidipres@#1\endcsname\toppanelheight@bidipres% Height.
\expandafter\global\expandafter\let\csname toppanelshift@bidipres@#1\endcsname\toppanelshift@bidipres% Raise.
}
\newcommand{\storebottompanel@bidipres}[1]
{%
\expandafter\global\expandafter\let\csname bottompanelcontents@bidipres@#1\endcsname\bottompanelcontents@bidipres%
\expandafter\global\expandafter\let\csname bottompanelwidth@bidipres@#1\endcsname\bottompanelwidth@bidipres%
\expandafter\global\expandafter\let\csname bottompanelheight@bidipres@#1\endcsname\bottompanelheight@bidipres%
\expandafter\global\expandafter\let\csname bottompanelshift@bidipres@#1\endcsname\bottompanelshift@bidipres%
}
\newcommand{\storeleftpanel@bidipres}[1]
{%
\expandafter\global\expandafter\let\csname leftpanelcontents@bidipres@#1\endcsname\leftpanelcontents@bidipres%
\expandafter\global\expandafter\let\csname leftpanelwidth@bidipres@#1\endcsname\leftpanelwidth@bidipres%
\expandafter\global\expandafter\let\csname leftpanelheight@bidipres@#1\endcsname\leftpanelheight@bidipres%
\expandafter\global\expandafter\let\csname leftpanelraise@bidipres@#1\endcsname\leftpanelraise@bidipres%
}
\newcommand{\storerightpanel@bidipres}[1]
{%
\expandafter\global\expandafter\let\csname rightpanelcontents@bidipres@#1\endcsname\rightpanelcontents@bidipres%
\expandafter\global\expandafter\let\csname rightpanelwidth@bidipres@#1\endcsname\rightpanelwidth@bidipres%
\expandafter\global\expandafter\let\csname rightpanelheight@bidipres@#1\endcsname\rightpanelheight@bidipres%
\expandafter\global\expandafter\let\csname rightpanelraise@bidipres@#1\endcsname\rightpanelraise@bidipres%
}
\newcommand{\auto@declarepanel@bidipres}[2]% Starred version of \DeclarePanel.
{\csname calc#1dimen@bidipres\endcsname{#2}\declarepanel@bidipres{#1}{#2}} % Calculate `optimal' dimension and store contents.
\newcommand{\restorepanels}[1]
{%
\@ifundefined{toppanelcontents@bidipres@#1}{\global\let\toppanelcontents@bidipres\empty}
{%
\expandafter\global\expandafter\let\expandafter\toppanelcontents@bidipres\csname toppanelcontents@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\toppanelwidth@bidipres\csname toppanelwidth@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\toppanelheight@bidipres\csname toppanelheight@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\toppanelshift@bidipres\csname toppanelshift@bidipres@#1\endcsname
}%
\@ifundefined{bottompanelcontents@bidipres@#1}{\global\let\bottompanelcontents@bidipres\empty}
{%
\expandafter\global\expandafter\let\expandafter\bottompanelcontents@bidipres\csname bottompanelcontents@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\bottompanelwidth@bidipres\csname bottompanelwidth@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\bottompanelheight@bidipres\csname bottompanelheight@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\bottompanelshift@bidipres\csname bottompanelshift@bidipres@#1\endcsname
}%
\@ifundefined{leftpanelcontents@bidipres@#1}{\global\let\leftpanelcontents@bidipres\empty}
{%
\expandafter\global\expandafter\let\expandafter\leftpanelcontents@bidipres\csname leftpanelcontents@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\leftpanelwidth@bidipres\csname leftpanelwidth@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\leftpanelheight@bidipres\csname leftpanelheight@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\leftpanelraise@bidipres\csname leftpanelraise@bidipres@#1\endcsname
}%
\@ifundefined{rightpanelcontents@bidipres@#1}{\global\let\rightpanelcontents@bidipres\empty}
{%
\expandafter\global\expandafter\let\expandafter\rightpanelcontents@bidipres\csname rightpanelcontents@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\rightpanelwidth@bidipres\csname rightpanelwidth@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\rightpanelheight@bidipres\csname rightpanelheight@bidipres@#1\endcsname
\expandafter\global\expandafter\let\expandafter\rightpanelraise@bidipres\csname rightpanelraise@bidipres@#1\endcsname
}%
}
\newcommand{\calctopdimen@bidipres}[1]{\calcvdimen@bidipres{\toppanelheight}{\toppanelwidth}{#1}}
\newcommand{\calcbottomdimen@bidipres}[1]{\calcvdimen@bidipres{\bottompanelheight}{\bottompanelwidth}{#1}}
\newcommand{\calcleftdimen@bidipres}[1]{\calchdimen@bidipres{\leftpanelwidth}{\leftpanelheight}{#1}}%
\newcommand{\calcrightdimen@bidipres}[1]{\calchdimen@bidipres{\rightpanelwidth}{\rightpanelheight}{#1}}%
\newcommand{\panel@sanitize@bidipres}
{%
\let\hyperlink=\@secondoftwo
\let\Acrobatmenu=\@secondoftwo
}
\newcommand{\calcvdimen@bidipres}[3]
{%
\setbox\tempbox@bidipres=\hbox{\panel@sanitize@bidipres\@@mk@panel@bidipres{#2}{}{toppaneltextcolor}{#3}}% Set panel into a dummy box.
\mklength@bidipres{#1}{\ht\tempbox@bidipres+\dp\tempbox@bidipres}% % Measure total height.
}
\newcommand{\calchdimen@bidipres}[3]
{%
\optwidth@bidipres{#1}{#2-\panelmargin*2}% Calculate `optimal' width of a parbox. Panel margins are respected.
{.5\textwidth-\panelmargin*2}{\panelalignment#3}% .5\textwidth is the hardcoded absolute maximum width.
\mklength@bidipres{#1}{#1+\panelmargin*2}%
}
\newcommand{\optwidthsteps}{100}
\newcommand{\optwidthlinetolerance}{200}
\let\maxbadness@bidipres=\@tempcnta
\def\optwidthdisablecommands@bidipres
{%
\let\Hy@colorlink\@firstofone
\let\Hy@endcolorlink\relax
}
\newcommand{\optwidth@bidipres}[4]
{%
\setcounter{tmpcnta@bidipres}{0}% Initialize `probe counter' for box width.
\let\best@cnt@bidipres=\empty% Initialize number of best `probe' so far.
\def\bestbadness@bidipres{1000000}% Initialize badness of best `probe'.
\setboolean{carryon@bidipres}{true}% Flag for breaking out of loop.
\setlength{\tempdimb@bidipres}{#2}% Store maximal box height.
\whiledo
{\value{tmpcnta@bidipres}<\optwidthsteps\and\boolean{carryon@bidipres}}% Probes done or break of loop?
{%
\stepcounter{tmpcnta@bidipres}% Start next probe.
\setbox\@tempboxa=\hbox% The trick with vbox/lastbox is to get the vbox
{% produced by \parbox `immediately' into a box register.
\optwidthdisablecommands@bidipres% Turn off some nasties not needed when measuring.
\parbox[b]{(#3)/\optwidthsteps*\value{tmpcnta@bidipres}}% Make the next parbox.
{\hfuzz\maxdimen\hbadness\@M\relax#4}%
\global\setbox\tempbox@bidipres=\lastbox% ... and assign \tempbox@bidipres to it.
}%
\setlength{\tempdima@bidipres}{\ht\tempbox@bidipres+\dp\tempbox@bidipres}% Measure total height.
\ifthenelse{\lengthtest{\tempdima@bidipres>\tempdimb@bidipres}}% If it exceeds the maximum height given, the box isn't
{}% acceptable anyway.
{%
\calcmaxbadness@bidipres{\maxbadness@bidipres}{\tempbox@bidipres}% Calculate `worst badness' of any hbox appearing in parbox.
\ifthenelse{\not\maxbadness@bidipres>\optwidthlinetolerance}% Below Threshold?
{% Yes. Accept this width.
\edef\best@cnt@bidipres{\thetmpcnta@bidipres}% Store this probe number.
\setboolean{carryon@bidipres}{false}% Break loop.
}
{% No. Carry on.
\ifthenelse{\maxbadness@bidipres<\bestbadness@bidipres}% Below lowest badness found so far?
{% Yes. Store probe number.
\edef\bestbadness@bidipres{\number\maxbadness@bidipres}% Store badness value.
\edef\best@cnt@bidipres{\thetmpcnta@bidipres}% Store probe number.
}
{}% No. Try next probe.
}% matches second argument of \ifthenelse{\not\maxbadness@bidipres>\optwidthlinetolerance}%
}% matches second argument of \ifthenelse{\lengthtest{\tempdima@bidipres>\tempdimb@bidipres}}%
}% matches \whiledo{\value{tmpcnta@bidipres}<\optwidthsteps\and\boolean{carryon@bidipres}}{%
\ifx\best@cnt@bidipres\empty% Was _any_ badness below the initialization value found?
\mklength@bidipres{#1}{#3}% No; return max width.
\else
\mklength@bidipres{#1}{(#3)/\optwidthsteps*\best@cnt@bidipres}% Yes; return width of best probe.
\fi
}% matches \newcommand{\optwidth@bidipres}[4]{%
\newcommand{\calcmaxbadness@bidipres}[2]
{%
\let\@resultcnt@bidipres=#1% Here we store the result.
\global\@resultcnt@bidipres=\z@\relax% Just in case no hbox occurs...
\setlength{\@tempdima}{\wd#2}% This is the width to which every hbox is stretched for finding its badness.
\setbox\@tempboxa=\vbox% A dummy vbox for recursively analysing the vbox contents using \lastbox
{%
\hfuzz\maxdimen\hbadness\@M
\unvbox#2% `free' the contents of the vbox.
\measureboxes@bidipres% Analyse `tail to head' using \lastbox.
}%
}
\newcommand{\measureboxes@bidipres}%
{%
\unskip\unpenalty\unkern% This is a kluge for TeX, because there is no certain way of finding out whether there's a
\unskip\unpenalty\unkern% penalty, glue or kern on the vertical list. \lastpenalty will give its value, but a
\unskip\unpenalty\unkern% value of 0 might mean there was none or there was one of value 0.
\unskip\unpenalty\unkern% This is different in eTeX. I might make a switch to a smarter solution.
\unskip\unpenalty\unkern
\unskip\unpenalty\unkern
\unskip\unpenalty\unkern
\unskip\unpenalty\unkern
\unskip\unpenalty\unkern
\unskip\unpenalty\unkern
\setbox\@tempboxa=\lastbox% Grab last box.
\ifhbox\@tempboxa% Was this an hbox?
\setbox0=\hb@xt@\@tempdima{\unhbox\@tempboxa}% Yes. Reformat with given width.
\ifnum\badness>\@resultcnt@bidipres% Badness larger than largest recorded badness?
\global\@resultcnt@bidipres=\badness% Yes. Memorize.
\fi
\expandafter\measureboxes@bidipres% Recursive call.
\else
\ifvbox\@tempboxa% Was this a vbox?
\expandafter\expandafter\expandafter\measureboxes@bidipres% Ignore, but execute recursive call.
\fi
\fi
}
\newcommand{\mk@toppanel@bidipres}% top panel
{%
\ifx\toppanelcontents@bidipres\empty% top panel specified?
\else% Yes; create box with appropriate dimensions, background color and contents.
\@mk@panel@bidipres{\toppanelwidth}{\toppanelheight}{toppaneltextcolor}{\toppanelcontents@bidipres}%
\fi
}
\newcommand{\mk@bottompanel@bidipres}% bottom panel
{%
\ifx\bottompanelcontents@bidipres\empty% bottom panel specified?
\else% Yes; create box with appropriate dimensions, background color and contents.
\@mk@panel@bidipres{\bottompanelwidth}{\bottompanelheight}{bottompaneltextcolor}{\bottompanelcontents@bidipres}%
\fi
}
\newcommand{\mk@leftpanel@bidipres}% left panel
{%
\ifx\leftpanelcontents@bidipres\empty% left panel specified?
\else% Yes; create box with appropriate dimensions, background color and contents.
\@mk@panel@bidipres{\leftpanelwidth}{\leftpanelheight}{leftpaneltextcolor}{\leftpanelcontents@bidipres}%
\fi
}
\newcommand{\mk@rightpanel@bidipres}% right panel
{%
\ifx\rightpanelcontents@bidipres\empty% right panel specified?
\else% Yes; create box with appropriate dimensions, text color and contents.
\@mk@panel@bidipres{\rightpanelwidth}{\rightpanelheight}{rightpaneltextcolor}{\rightpanelcontents@bidipres}%
\fi
}
\newcommand{\@mk@panel@bidipres}[2]% Generate `standard' parbox parameters for panels.
{%
\@@mk@panel@bidipres{#1}{[#2-\panelmargin*2][s]}%
}
\@ifclassloaded{powersem}
{%
\newcommand{\panelalignment}{\sem@ptsize{\slide@ptsize}\large\normalsize}%
}
{%
\newcommand{\panelalignment}% Justification for panels. This setting allows a certain amount of
{\setlength{\rightskip}{0pt plus 20pt}}% `right-raggedness'. Leave empty for standard parbox formatting.
}
\newcommand{\@@mk@panel@bidipres}[4]
{%
\vbox
{%
\offinterlineskip
\kern\panelmargin% Top margin.
\hbox
{{%
\ifthenelse{\boolean{instepwise@bidipres}}% Inside \stepwise, colors mat have been dimmed, leaking out to panels.
{\usecolorset{stwcolors}}{}% Restore them, just in case.
\xecolor{#3}% Set panel text color.
\kern\panelmargin% Left margin.
\parbox[b]#2{#1-\panelmargin*2}% The parbox with the main panel contents.
{%
\normalfont
\panelalignment#4%
\hrule\@height\z@% The hrule makes sure the total height of this box can be measured appropriately.
}%
\kern\panelmargin% Right margin.
}}%
\kern\panelmargin% Bottom margin.
}%
}
\newcommand{\buttonsep}{\fboxsep}
\newcommand{\buttonrule}{0pt}
\newcommand{\buttonshadowhshift}{.3\fboxsep}
\newcommand{\buttonshadowvshift}{-.3\fboxsep}
\newcommand{\button}[1][0pt]% Collect first optional parameter.
{%
\mklength@bidipres\bt@width@bidipres{#1}% Store optional argument.
\button@bidipres
}
\newcommand{\button@bidipres}[1][0pt]% Collect second optional parameter.
{%
\mklength@bidipres\bt@height@bidipres{#1}% Store optional argument.
\@button@bidipres
}
\newcommand{\@button@bidipres}[1][0pt]% Collect third optional parameter.
{%
\mklength@bidipres\bt@depth@bidipres{#1}% Store optional argument.
\@@button@bidipres
}
\newcommand{\@@button@bidipres}[3][c]% Collect fourth optional and two mandatory parameters and proceed.
{%
\ifthenelse{\lengthtest{\bt@width@bidipres=0pt}}% <width> given?
{\mklength@bidipres{\bt@width@bidipres}{\widthof{#3}}}% No. Calculate width of <text>.
{\mklength@bidipres{\bt@width@bidipres}{\bt@width@bidipres-\buttonsep*2-\buttonrule*2}}% Yes. Calculate area left for <text>.
\ifthenelse{\lengthtest{\bt@height@bidipres=0pt}}% <height> given?
{\mklength@bidipres{\bt@height@bidipres}{\heightof{#3}}}% No. Calculate height of <text>.
{\mklength@bidipres{\bt@height@bidipres}{\bt@height@bidipres-\buttonsep-\buttonrule}}% Yes. Calculate area left for <text>.
\ifthenelse{\lengthtest{\bt@depth@bidipres=0pt}}% <depth> given?
{\mklength@bidipres{\bt@depth@bidipres}{\depthof{#3}}}% No. Calculate depth of <text>.
{\mklength@bidipres{\bt@depth@bidipres}{\bt@depth@bidipres-\buttonsep-\buttonrule}}% Yes. Calculate area left for <text>.
\leavevmode% \rlap creates a `raw' hbox. So we get into horizontal mode.
\rlap% Make shadow.
{%
\hspace*{\buttonshadowhshift}% Horizontal displacement.
\raisebox{\buttonshadowvshift}% Vertical displacement.
{%
{% Inner group for correct color handling.
\setcolor@bidipres{buttonshadowcolor}% Button shadow color.
\rule% Create colored rectangular patch of appropriate dimensions.
[-\bt@depth@bidipres-\buttonsep-\buttonrule]
{\bt@width@bidipres+\buttonsep*2+\buttonrule*2}
{\bt@height@bidipres+\bt@depth@bidipres+\buttonsep*2+\buttonrule*2}%
}% matches inner group
}% matches \raisebox{\buttonshadowvshift}{%
}% matches \rlap{%
\edef\o@fboxrule@bidipres{\the\fboxrule}% Preserve original definitions of \fbox parameters.
\edef\o@fboxsep@bidipres{\the\fboxsep}%
#2% Execute <navcommand>.
{%
\setlength{\fboxrule}{\buttonrule}% Set \fbox parameters for button frame.
\setlength{\fboxsep}{\buttonsep}%
\fcolorbox{buttonframecolor}{buttoncolor}% Create button frame with the right colors.
{%
\makebox[\bt@width@bidipres][#1]% Create box of correct width to contain <text>.
{%
\raisebox{0pt}[\bt@height@bidipres][\bt@depth@bidipres]% Create box of correct height and depth.
{%
\setlength{\fboxrule}{\o@fboxrule@bidipres}\setlength{\fboxsep}{\o@fboxsep@bidipres}% Restore fbox parameters.
\setcolor@bidipres{buttontextcolor}#3% Produce <text>.
}% matches \raisebox{0pt}[\bt@height@bidipres][\bt@depth@bidipres]{%
}% matches \makebox[\bt@width@bidipres][#1]{%
}% matches \fcolorbox{buttonframecolor}{buttoncolor}{%
}% matches argument of <navcommand>.
}% matches \newcommand{\@@button@bidipres}[3][c]{%
\newcommand{\buttonsymbolsize}{\footnotesize}
\@ifpackageloaded{amssymb}% AMS symbols available?
{% Yes. Use `black' symbols.
\newcommand{\buttonleftarrowsymbol}{{\buttonsymbolsize\boldmath\origmath{\blacktriangleleft}}}% `left' arrow.
\newcommand{\buttonrightarrowsymbol}{{\buttonsymbolsize\boldmath\origmath{\blacktriangleright}}}% `right' arrow.
\newcommand{\buttonbackarrowsymbol}{{\buttonsymbolsize\boldmath\origmath{\vartriangleleft}}}% `back' arrow.
}
{% No. Use replacements from standard set.
\newcommand{\buttonleftarrowsymbol}{{\buttonsymbolsize\boldmath\origmath{\lhd}}}% `left' arrow.
\newcommand{\buttonrightarrowsymbol}{{\buttonsymbolsize\boldmath\origmath{\rhd}}}% `right' arrow.
\newcommand{\buttonbackarrowsymbol}{{\buttonsymbolsize\boldmath\origmath{\leftarrow}}}% `back' arrow.
}
\newcommand{\stdbuttonwidth}{\widthof{\buttonrightarrowsymbol\buttonrightarrowsymbol\buttonrightarrowsymbol}+4pt}
\newcommand{\currentpagevalue}{\value{page}}
\newcommand{\backpagebutton}[1][\stdbuttonwidth]
{%
\button[#1]{\setcounter{tmpcnta@bidipres}{\currentpagevalue-1}\hyperlink{page.\thetmpcnta@bidipres}}
{\buttonleftarrowsymbol\buttonleftarrowsymbol}%
}
\newcommand{\backstepbutton}[1][\stdbuttonwidth]
{%
\button[#1]{\Acrobatmenu{PrevPage}}
{\buttonleftarrowsymbol}%
}
\newcommand{\gobackbutton}[1][\stdbuttonwidth]
{%
\button[#1]{\Acrobatmenu{GoBack}}
{\buttonbackarrowsymbol}%
}
\newcommand{\nextstepbutton}[1][\stdbuttonwidth]
{%
\button[#1]{\Acrobatmenu{NextPage}}
{\buttonrightarrowsymbol}%
}
\newcommand{\nextpagebutton}[1][\stdbuttonwidth]
{%
\button[#1]{\setcounter{tmpcnta@bidipres}{\currentpagevalue+1}\hyperlink{firstpage.\thetmpcnta@bidipres}}
{\buttonrightarrowsymbol\buttonrightarrowsymbol}%
}
\newcommand{\nextfullpagebutton}[1][\stdbuttonwidth]
{%
\button[#1]{\setcounter{tmpcnta@bidipres}{\currentpagevalue+1}\hyperlink{page.\thetmpcnta@bidipres}}
{\buttonrightarrowsymbol\buttonrightarrowsymbol\buttonrightarrowsymbol}%
}
\newcommand{\fullscreenbutton}[1][\stdbuttonwidth]
{%
\button[#1]{\Acrobatmenu{FullScreen}}
{\buttonrightarrowsymbol\buttonleftarrowsymbol}%
}
\ifthenelse{\boolean{display}}% Are dynamic features enabled?
{% Yes.
\newcommand{\pagetransition}[1]% Definition for preamble.
{%
\@ifpackageloaded{hyperref}% Can we use \hypersetup?
{% Yes.
\hypersetup{pdfpagetransition={#1}}% Set page transition with \hypersetup.
}
{% No. In this case, we can't set the page transition.
\ClassWarning{bidipresentation}
{Package hyperref not loaded.\MessageBreak Page transition not set}%
}%
}% matches \newcommand{\pagetransition}[1]{%
\AtBeginDocument% Definition for document body.
{%
\@ifpackageloaded{hyperref}% Can we use \hypersetup?
{% Yes.
\hypersetup{pdfpagetransition={}}% Make pagetransition setting (consistently) local to groups.
\renewcommand{\pagetransition}[1]{\hypersetup{pdfpagetransition={#1}}}%
}
{% No. Disable page transitions.
\ClassWarning{bidipresentation}
{Package hyperref not loaded.\MessageBreak Page transitions disabled}%
\let\pagetransition=\@gobble
}%
}% matches \AtBeginDocument{%
}% matches \ifthenelse{\boolean{display}}{%
{\let\pagetransition=\@gobble}% No. Disable page transitions.
\newcommand{\pageTransitionSplitHO}{\pagetransition{Split /Dm /H /M /O}}% Split Horizontally to the outside.
\newcommand{\pageTransitionSplitHI}{\pagetransition{Split /Dm /H /M /I}}% Split Horizontally to the inside.
\newcommand{\pageTransitionSplitVO}{\pagetransition{Split /Dm /V /M /O}}% Split Vertically to the outside.
\newcommand{\pageTransitionSplitVI}{\pagetransition{Split /Dm /V /M /I}}% Split Vertically to the inside.
\newcommand{\pageTransitionBlindsH}{\pagetransition{Blinds /Dm /H}}% Horizontal Blinds.
\newcommand{\pageTransitionBlindsV}{\pagetransition{Blinds /Dm /V}}% Vertical Blinds.
\newcommand{\pageTransitionBoxO}{\pagetransition{Box /M /O}}% Growing Box.
\newcommand{\pageTransitionBoxI}{\pagetransition{Box /M /I}}% Shrinking Box.
\newcommand{\pageTransitionWipe}[1]{\pagetransition{Wipe /Di #1}}% Wipe from one edge of the page to the facing edge.
\newcommand{\pageTransitionDissolve}{\pagetransition{Dissolve}}% Dissolve.
\newcommand{\pageTransitionGlitter}[1]{\pagetransition{Glitter /Di #1}}% Glitter from one edge to the facing edge.
\newcommand{\pageTransitionReplace}{\pagetransition{Replace}}% Simple Replace (the default).
\newcommand{\infinitepageduration}{}% Default: No page duration setting on every page.
\ifthenelse{\boolean{nineminutes@bidipres}}% If the option nineminutes is given, every page without explicit setting
{\renewcommand{\infinitepageduration}{546}}{}% gets a setting of 546 seconds (9.1 minutes).
\ifthenelse{\boolean{display}}% Are dynamic features enabled?
{% Yes.
\newcommand{\pageDuration}[1]% Definition for preamble.
{%
\@ifpackageloaded{hyperref}% Can we use \hypersetup?
{% Yes.
\hypersetup{pdfpageduration={#1}}% Set page duration with \hypersetup.
}%
{% No. In this case, we can't set the page duration.
\ClassWarning{bidipresentation}
{Package hyperref not loaded.\MessageBreak Page duration not set}%
}%
}% matches \newcommand{\pageDuration}[1]{%
\AtBeginDocument% Make sure this also works if bidipresentation is loaded before hyperref.
{%
\@ifpackageloaded{hyperref}% Can we use \hypersetup?
{% Yes.
\edef\next{\noexpand\hypersetup{pdfpageduration={\infinitepageduration}}}%
\next% Set default page duration.
\renewcommand{\pageDuration}[1]{\hypersetup{pdfpageduration={#1}}}% Set page duration with \hypersetup.
}%
{% No. In this case, we can't set the page duration.
\ClassWarning{bidipresentation}
{Package hyperref not loaded.\MessageBreak Page duration disabled}%
\let\pageDuration=\@gobble
}%
}% matches \AtBeginDocument{%
}% matches \ifthenelse{\boolean{display}}{%
{\let\pageDuration=\@gobble}% No. Disable page duration.
\newcommand{\stopAdvancing}
{\edef\next{\noexpand\pageDuration{\infinitepageduration}}\next}% Reset to default page duration.
\AtBeginDocument{\shipoutinit@bidipres}%
\newcommand*{\shipoutinit@bidipres}
{%
\let\o@shipout@bidipres=\shipout% Memorize previous definition.
\let\shipout\shipout@bidipres% Replace by own one.
}%
\newcommand{\shipout@bidipres}
{%
\afterassignment\shipout@test@bidipres
\global\setbox\@cclv= %
}%
\newcommand{\shipout@test@bidipres}
{%
\ifvoid\@cclv\relax% Is the box assigned yet?
\aftergroup\shipout@output@bidipres% No; defer execution of \shipout@output@bidipres.
\else
\shipout@output@bidipres% Yes; execute \shipout@output@bidipres immediately.
\fi%
}%
\newcommand{\shipout@output@bidipres}
{%
\shipout@hook@bidipres% Here, our own stuff is executed, manipulating \@cclv.
\o@shipout@bidipres\box\@cclv% Execute original shipout routine.
}%
\newcommand{\AtShipout}[1]
{\expandafter\gdef\expandafter\at@shipout@once@bidipres\expandafter{\at@shipout@once@bidipres#1}}% Add argument to container.
\newcommand{\at@shipout@once@bidipres}{}
\AtBeginDocument{\global\let\o@hyper@@anchor\hyper@@anchor}
\@ifpackageloaded{hyperref}% Is hyperref loaded?
{% Yes. Prepare hook.
\newcommand{\do@insert@firstanchor@bidipres}% This is executed on the first subpage of every page.
{\hypertarget{firstpage.\number\currentpagevalue}{}}% Create target.
}
{\newcommand{\do@insert@firstanchor@bidipres}{}}% No. Leave hook empty.
\newcommand{\dont@insert@firstanchor@bidipres}{}%
\newcommand{\insert@firstanchor@bidipres}{\do@insert@firstanchor@bidipres}%
\newcommand{\shipout@hook@bidipres}
{%
\filterpage@bidipres% Filter out whatsits on duplicate pages.
\setbox\@cclv=% Create `real' page box (which is later shipped out).
\hbox{%
\set@typeset@protect
\raise\ht\@cclv\rlap% Place background box.
{%
\vtop to \bidiprespageheight
{%
\offinterlineskip
\hrule\@height\z@\relax
\kern -1truein\relax
\kern -\voffset\relax
\moveleft 1truein\hbox{\kern-\hoffset\copy\bgndbox@bidipres}%
\vss
\kern 1truein\relax
\kern\voffset\relax
}%
}%
\raise\ht\@cclv\rlap% Place `vertical' panels.
{%
\vtop to \bidiprespageheight
{%
\offinterlineskip
\hrule\@height\z@\relax
\kern -1truein\relax
\kern -\voffset\relax
\moveleft 1truein\hb@xt@\bidiprespagewidth
{%
\kern-\hoffset\raise\leftpanelraise\hbox{\mk@leftpanel@bidipres}%
\hfill
\raise\rightpanelraise\hbox{\mk@rightpanel@bidipres}%
\kern\hoffset
}%
\vss
\kern 1truein\relax
\kern\voffset\relax
}%
}%
\raise\ht\@cclv\rlap% Place `horizontal' panels.
{%
\vtop to \bidiprespageheight
{%
\offinterlineskip
\hrule\@height\z@\relax
\kern -1truein\relax
\kern -\voffset\relax
\moveleft 1truein\hbox{\kern-\hoffset\kern\toppanelshift\mk@toppanel@bidipres}%
\vfill
\moveleft 1truein\hbox{\kern-\hoffset\kern\bottompanelshift\mk@bottompanel@bidipres}%
\kern 1truein\relax
\kern\voffset\relax
}%
}%
\raise\ht\@cclv\rlap
{%
\let\hyper@@anchor\o@hyper@@anchor% Reactivate hyper anchors.
\insert@firstanchor@bidipres% Execute hook for creating target firstpage.<n>
\ifshippingduplicate% Will further subpages follow?
\global\let\insert@firstanchor@bidipres=\dont@insert@firstanchor@bidipres% Deactivate hook for next page.
\else
\global\let\insert@firstanchor@bidipres=\do@insert@firstanchor@bidipres% Reactivate hook for next page.
\fi
\at@shipout@once@bidipres% Execute code stored away by \AtShipout.
}%
\global\let\at@shipout@once@bidipres=\empty% Clear \AtShipout container.
\box\@cclv
}%
}
\def\colorcorrections@bidipres{\relax}% The `counter stack' of color correction codes, reset at every \shipout.
\AtBeginDocument% Make sure to catch color.sty even if it's loaded after bidipresentation.
{%
\ifthenelse{\boolean{fixcolorstack@bidipres}}% Was the fixcolorstack option given?
{%
\@ifundefined{VTeXversion}% Using vtex?
{% No. Go on.
\ifthenelse{\boolean{pdf}}% Producing pdf with pdftex?
{% Yes. Color stack fixing unnecessary.
\ClassWarning{bidipresentation}
{pdftex doesn't need color stack correction.\MessageBreak Option fixcolorstack disabled.}%
}
{% No. We need to add corrections for the color stack...
\@ifpackageloaded{color}% ... but only if color.sty is loaded at all.
{%
\expandafter\def\expandafter\shipout@hook@bidipres\expandafter% Extend \shipout hook ...
{\shipout@hook@bidipres\clearcolorcorrections@bidipres}% ... by a command to clear counter stack.
%
\newcommand{\clearcolorcorrections@bidipres}% The counter stack is cleared...
{% ... on all `final' shipouts.
\ifshippingduplicate
\else
\gdef\colorcorrections@bidipres{\relax}%
\fi
}
\expandafter\def\expandafter\o@set@color@bidipres\expandafter%
{%
\set@color% This is the `real' original definition.
\expandafter\aftergroup\csname\current@color\endcsname% Add definition of \current@color.
}%
\let\o@reset@color@bidipres=\reset@color% Save original definition of \reset@color.
\def\remove@resetcolor@bidipres#1\aftergroup\reset@color%
{\def\pushcolor@bidipres##1{{\def\current@color{##1}#1}}}%
%
\expandafter\remove@resetcolor@bidipres\set@color
\def\pushcolorname@bidipres#1%
{%
\begingroup \escapechar\m@ne\xdef\@gtempa{\string#1}\endgroup% Get the coded tokens back (without \ ).
\expandafter\pushcolor@bidipres\expandafter{\@gtempa}% ... and execute push.
}%
\def\set@color%
{%
\o@set@color@bidipres% `Original' definition of \set@color.
\expandafter\@temptokena\expandafter{\colorcorrections@bidipres}% Add \o@reset@color@bidipres command at the front
\xdef\colorcorrections@bidipres{\noexpand\o@reset@color@bidipres\the\@temptokena}% ... of \colorcorrections@bidipres.
}
\def\reset@color#1% \reset@color now receives the name of the color.
{%
\expandafter\addpushtoccor@bidipres\colorcorrections@bidipres\@nil{#1}% Add a push command for this color to the front
% of \colorcorrections@bidipres.
\o@reset@color@bidipres% `Original' definition of \reset@color.
}%
\def\addpushtoccor@bidipres#1#2\@nil#3% Add a push command for some color to the front of \colorcorrections@bidipres.
{%
\ifx\o@reset@color@bidipres#1% For efficiency, a push immediately followed by a reset cancel out.
\gdef\colorcorrections@bidipres{#2}%
\else
\gdef\colorcorrections@bidipres{\pushcolorname@bidipres{#3}#1#2}% Otherwise, add the push to \colorcorrections@bidipres.
\fi
}%
}% matches \@ifpackageloaded{color}
{}% No changes needed if color.sty is not loaded.
}% matches second argument of \ifthenelse{\boolean{pdf}}
}% matches \@ifundefined{VTeXversion}
{% Yes. Color stack fixing unnecessary.
\ClassWarning{bidipresentation}
{vtex doesn't need color stack correction.\MessageBreak Option fixcolorstack disabled.}%
}%
}% matches \ifthenelse{\boolean{fixcolorstack@bidipres}}
{}%
}% matches \AtBeginDocument
\newif\ifshippingduplicate
\providecommand{\bidipreseject}{\newpage}
\newbox\mempageconts@bidipres
\newinsert\memfootins@bidipres
\newtoks\memoutput@bidipres
\def\cl@@ckptpause@bidipres{\@elt{page}}
\def\savepausecounters@bidipres{%
\begingroup
\def\@elt##1{\global\csname c@##1\endcsname\the\csname c@##1\endcsname}%
\xdef\restorepausecounters@bidipres{\cl@@ckptpause@bidipres}%
\endgroup
}
\newcommand{\pausesafecounter}[1]%
{\expandafter\def\expandafter\cl@@ckptpause@bidipres\expandafter{\cl@@ckptpause@bidipres\@elt{#1}}}
\@ifclassloaded{seminar}{\pausesafecounter{slide}}{}
\ifthenelse{\boolean{display}}{%
\AtBeginDocument{\@ifpackageloaded{hyperref}{%
\let\hyper@anchor@bidipres=\hyper@anchor
\long\def\hyper@@anchor#1#2{%
%%% \ifthenelse{\boolean{instepwise@bidipres}}%
\ifthenelse{\boolean{instepwise@bidipres} \AND \NOT \boolean{strongfiltering@bidipres}}%
{\ifthenelse{\NOT \boolean{instep@bidipres}}%
{\ifthenelse{\value{step}=\value{firststep}}{\@hyper@@anchor#1\relax#2\relax}{}}%
{\ifthenelse{\boolean{active} \AND \boolean{firstactivation}}%
{\@hyper@@anchor#1\relax#2\relax}{}}% End \ifthenelse{\boolean{active} ...
}% End \ifthenelse{\NOT \boolean{instep@bidipres}}
{\@hyper@@anchor#1\relax#2\relax}% End \ifthenelse{\boolean{instepwise@bidipres}}
}
\let\hyper@anchorstart@bidipres=\hyper@anchorstart
\def\hyper@anchorstart#1{%
\ifthenelse{\boolean{instepwise@bidipres} \AND \NOT \boolean{strongfiltering@bidipres}}%
{\ifthenelse{\NOT \boolean{instep@bidipres}}%
{\ifthenelse{\value{step}=\value{firststep}}{\hyper@anchorstart@bidipres{#1}}{}}%
{\ifthenelse{\boolean{active} \AND \boolean{firstactivation}}%
{\hyper@anchorstart@bidipres{#1}}{}}% End \ifthenelse{\boolean{active} ...
}% End \ifthenelse{\NOT \boolean{instep@bidipres}}
{\hyper@anchorstart@bidipres{#1}}% End \ifthenelse{\boolean{instepwise@bidipres}}
}
}{}}% End \AtBeginDocument{\@ifpackageloaded{hyperref}{
% Changing \protected@write to avoid duplicates in aux-file
\let\protected@write@bidipres=\protected@write
\long\def\protected@write#1#2#3{%
\ifthenelse{\boolean{instepwise@bidipres} \AND \NOT \boolean{strongfiltering@bidipres}}%
{\ifthenelse{\NOT \boolean{instep@bidipres}}%
{\ifthenelse{\value{step}=\value{firststep}}{\protected@write@bidipres{#1}{#2}{#3}}{}}%
{\ifthenelse{\boolean{active} \AND \boolean{firstactivation}}%
{\protected@write@bidipres{#1}{#2}{#3}}{}}% End \ifthenelse{\boolean{active} ...
}% End \ifthenelse{\NOT \boolean{instep@bidipres}}
{\protected@write@bidipres{#1}{#2}{#3}}% End \ifthenelse{\boolean{instepwise@bidipres}}
}%
}{}% End \ifthenelse{\boolean{display}}
\def\save@bidipres
{%
\par% Always end current paragraph.
\global\setbox\mempageconts@bidipres=\copy\voidb@x% Initialise \mempageconts@bidipres (suggested by Ross Moore).
\savepausecounters@bidipres% Save counters.
\memoutput@bidipres=\output% Make backup copy of output routine.
\output={\global\setbox\mempageconts@bidipres=\box\@cclv}% Copy current page contents.
\eject% Trigger now.
\global\setbox\memfootins@bidipres=\copy\footins% Save footnotes.
\global\skip\memfootins@bidipres=\skip\footins
\global\count\memfootins@bidipres=\count\footins
\global\dimen\memfootins@bidipres=\dimen\footins
\output=\memoutput@bidipres% Restore output routine.
}
\let\filterpage@bidipres\relax
\newcommand{\filterwhatsits@bidipres}{%
\ifthenelse{\boolean{strongfiltering@bidipres}}%
{\global\setbox\@cclv=\hbox{\leaders\copy\@cclv\hskip\wd\@cclv}}% Old aggressive/robust filtering
{}% No filtering - handled by \insertfilterwhatsits@bidipres and stepwise aware commands.
}
\newcommand{\insertfilterwhatsits@bidipres}{%
\global\setbox\tempbox@bidipres=\hbox{\leaders\copy\tempbox@bidipres\hskip\wd\tempbox@bidipres}%
}
\newcommand{\insertfirstduplicate@bidipres}
{\unvcopy\mempageconts@bidipres}% Just output the vbox's contents.
\newcommand{\do@colorcorrections@bidipres}
{%
{%
\colorcorrections@bidipres% Execute color correction stack.
\gdef\colorcorrections@bidipres{\relax}% Re-initialize for next round.
}%
}
\newcommand{\insertsecondduplicate@bidipres}
{%
\do@colorcorrections@bidipres% Execute color correction stack.
\global\setbox\footins=\copy\memfootins@bidipres% Restore footnotes.
\global\skip\footins=\skip\memfootins@bidipres
\global\count\footins=\count\memfootins@bidipres
\global\dimen\footins=\dimen\memfootins@bidipres
\ifthenelse{\boolean{strongfiltering@bidipres}}%
{\unvcopy\mempageconts@bidipres}%
{\setbox\tempbox@bidipres=\vbox{\unvcopy\mempageconts@bidipres}%
\insertfilterwhatsits@bidipres
\copy\tempbox@bidipres%
}
}
\newcommand{\outputduplicate@bidipres}
{%
\shippingduplicatetrue% This switch can be evaluated in panels or headers/footers.
\global\let\filterpage@bidipres\filterwhatsits@bidipres% Filter out file whatsits when shipping out.
\global\let\o@hyper@@anchor@bidipres\hyper@@anchor% Save definition of hyperref command for hyper anchors.
\global\let\hyper@@anchor\@gobble% Disable hyper anchors on duplicate pages to avoid duplicate page anchors.
\bidipreseject% Shipout page.
\global\let\hyper@@anchor\o@hyper@@anchor@bidipres% Restore definition of hyperref command for hyper anchors.
\global\let\filterpage@bidipres\relax% Disable whatsit filtering.
\shippingduplicatefalse% Unset switch.
}%
\providecommand\pause% If pause.sty is loaded, the existing definition of \pause is not overwritten.
{%
\save@bidipres% Save contents of the page...
\insertfirstduplicate@bidipres% ... and insert again.
\ifthenelse{\boolean{display}}% Are dynamic features enabled?
{% Yes.
\outputduplicate@bidipres% Output page.
\restorepausecounters@bidipres% Restore counters (page number).
\insertsecondduplicate@bidipres% Reinsert saved contents.
}
{}%
}%
\newcommand{\@onlyinstepwise@bidipres}[1]
{%
\providecommand#1%
{%
\ClassError{bidipresentation}%
{Command \string#1 can be used only inside \string\stepwise}
{%
Commands like \string\step, \string\switch,
\string\multistep\space or \string\overlays\MessageBreak
can be used only inside the argument of a \string\stepwise\space variant.
}%
}%
}
\newcounter{totalsteps}
\newcounter{firststep}
\newcounter{step}
\newcounter{stepcommand}
\newcounter{stepsperformed}
\newboolean{firstactivation}
\newboolean{active}
\newcommand{\displayboxed}
{%
\ifmmode % We need to distinguish between math and text mode.
\expandafter\mathpalette\expandafter\math@db@bidipres % In math mode, the style has to be respected.
\else
\expandafter\text@db@bidipres
\fi
}
\newcommand{\text@db@bidipres}[1]{\mbox{#1}} % In text mode, we just use an \mbox.
\newcommand{\math@db@bidipres}[2]{\mbox{$\m@th#1{#2}$}} % In math mode, the style (#1) is inserted by \mathpalette.
\let\displayidentical=\@iden
\newcommand{\hidephantom}[1]
{%
{% a group makes redefinitions local
\leavevmode\phantom{#1}%
}%
}
\newcommand{\hideignore}[1]{}
\newcommand{\hidesmartignore}[1]{\setbox\tempbox@bidipres=\vbox{#1}}
\ifthenelse{\boolean{colormath@bidipres}}{%
\newcommand{\commitcolor@bidipres}
{\textxecolor{\ifmmode mathcolor\else textcolor\fi}}
}{
\newcommand{\commitcolor@bidipres}{\textxecolor{textcolor}}
}
\ifthenelse{\boolean{bidiprescolor}}{
\newcommand{\hidedimmed}[1]{%
{
\ifthenelse{\boolean{instepwise@bidipres}}{\usecolorset{stwcolors}}{}%
\dimcolors
\commitcolor@bidipres{#1}
}
}
}{
\let\hidedimmed=\displayidentical
}
\ifthenelse{\boolean{bidiprescolor}}{
\newcommand{\hidevanish}[1]{\textxecolor{\vanishcolor}{\vanishcolors#1}}
}{
\let\hidevanish=\hidephantom
}
\newcommand{\boxedsteps} % Use boxed versions.
{\let\displaystepcontents=\displayboxed\let\hidestepcontents=\hidephantom}
\newcommand{\nonboxedsteps} % Use nonboxed versions.
{\let\displaystepcontents=\displayidentical\let\hidestepcontents=\hideignore}
\nonboxedsteps
\let\activatestep=\displayidentical
\newlength{\highlightboxsep}
\setlength{\highlightboxsep}{.5\fboxsep}
\DeclareRobustCommand{\highlightboxed}
{%
\ifmmode% Check for math mode.
\expandafter\mathpalette\expandafter\math@hb@bidipres% Math mode version needs to respect current style.
\else
\expandafter\text@hb@bidipres% Text mode version.
\fi
}
\newcommand{\math@hb@bidipres}[2]{\text@hb@bidipres{$\m@th#1{#2}$}}
\ifthenelse{\boolean{colorhighlight@bidipres}}% Color highlighting enabled?
{% Yes; use a box with colored background.
\newcommand{\text@hb@bidipres}[1]
{%
\makebox[\width-2\highlightboxsep]% Make the frame stick out at the sides.
{%
\setlength{\fboxsep}{\highlightboxsep}% Set frame size.
\raisebox{0pt}[\height-\fboxsep][\depth-\fboxsep]% Make the frame stick out above and below.
{\colorbox{highlightcolor}{#1}}% Make colored box containing <text>.
}%
}%
}% matches \ifthenelse{\boolean{colorhighlight@bidipres}}
{% No; use an \fbox.
\newcommand{\text@hb@bidipres}[1]
{%
\makebox[\width-2\highlightboxsep-2\fboxrule]% Make the frame stick out at the sides.
{%
\setlength{\fboxsep}{\highlightboxsep}% Set frame size.
\raisebox{0pt}[\height-\fboxsep-\fboxrule][\depth-\fboxsep-\fboxrule]% Make the frame stick out above and below.
{\fbox{#1}}%% Make an fbox containing <text>.
}%
}%
}% matches second argument of \ifthenelse{\boolean{colorhighlight@bidipres}}
\ifthenelse{\boolean{bidiprescolor}}% Can we use colors at all?
{% Yes.
\newcommand{\highlightenhanced}[1]% Make argument appear in `enhanced' colors.
{%
{% A group makes the color changes local.
\ifthenelse{\boolean{instepwise@bidipres}}{\usecolorset{stwcolors}}{}% Just in case we currently are in enhanced mode...
\enhancecolors% Enhance colors.
\commitcolor@bidipres{#1}% Switch on enhanced color.
}%
}%
}
{\let\highlightenhanced=\displayidentical}% No. Disable this command.
\newcommand{\pickup@s@optargs@bidipres}
{%
\@ifnextchar[%] Check for first optional argument in [...] syntax.
{\f@brackstep@bidipres}%
{%
\@ifnextchar(%) Check for first optional argument in (...) syntax.
{\f@parenstep@bidipres}
{\f@brackstep@bidipres[]}% No optional argument given; call with empty argument in [...] syntax (default).
}%
}
\def\f@brackstep@bidipres[#1]% First optional argument was given in [...] syntax.
{%
\def\tmp@bidipres{#1}%
\ifx\tmp@bidipres\empty% Optional argument empty?
\def\f@step@bidiprescheck{\ifthenelse{\value{step}=\value{stepcommand}}}% Yes; use default.
\else
\def\f@step@bidiprescheck{\ifthenelse{#1}}% No; condition is defined via \ifthenelse.
\fi
\f@step@bidipres% Go on and check for second optional argument.
}
\def\f@parenstep@bidipres(#1)% First optional argument was given in (...) syntax.
{%
\def\f@step@bidiprescheck{#1}% Save condition (given as argument).
\f@step@bidipres% Go on and check for second optional argument.
}
\newcommand{\f@step@bidipres}% Pick up the second optional argument.
{%
\@ifnextchar[%] Check for second optional argument in [...] syntax.
{\s@brackstep@bidipres}
{%
\@ifnextchar(%) Check for second optional argument in (...) syntax.
{\s@parenstep@bidipres}
{\s@parenstep@bidipres(\if@first@bidipres@true)}% No second optional argument given;
}% call with \if@first@bidipres@true in (...) syntax (default).
}
\def\s@brackstep@bidipres[#1]% Second optional argument was given in [...] syntax.
{%
\def\s@step@bidiprescheck{\ifthenelse{#1}}% Condition is defined via \ifthenelse.
\@do@s@bidipres% Go on.
}
\def\s@parenstep@bidipres(#1)% Second optional argument was given in (...) syntax.
{%
\def\s@step@bidiprescheck{#1}% Save condition (given as argument).
\@do@s@bidipres% Go on.
}
\newcommand{\deactivate@inner@bidipres}% \switch behaviour.
{%
\let\inner@display@bidipres=\displayidentical%
\let\inner@hide@bidipres=\displayidentical%
}
\newcommand{\activate@inner@bidipres}% \step behaviour.
{%
\let\inner@display@bidipres=\displaystepcontents%
\let\inner@hide@bidipres=\hidestepcontents%
}
\@onlyinstepwise@bidipres\step
\newcommand{\proper@step@bidipres}{\let\@do@s@bidipres=\@step@bidipres\pickup@s@optargs@bidipres}
\newcommand{\@step@bidipres}[1]{\activate@inner@bidipres\@@switch@bidipres{#1}{#1}}
\@onlyinstepwise@bidipres\switch
\newcommand{\proper@switch@bidipres}{\deactivate@inner@bidipres\let\@do@s@bidipres=\@@switch@bidipres\pickup@s@optargs@bidipres}
\newcommand{\if@first@bidipres@true}[2]%
{%
\expandafter % \first@bidipres@<n> is set to \@undefined if \switch command number <n> has not yet been
\ifx\csname first@bidipres@\the\c@stepcommand\endcsname\empty% activated and \empty otherwise.
#1%
\else
#2%
\fi
}
\@ifundefined{ifmeasuring@}{\newif\ifmeasuring@}{}
\newcommand{\@switch@bidipres}[2]
{%
\global\advance\c@stepcommand by 1\relax% This execution of \switch is counted.
\setboolean{instep@bidipres}{true}% Set indicator.
%
% If the verbose option is set, type out some accounting information which can be used for debugging.
\ifthenelse{\boolean{verbose@bidipres}}
{%
\ClassInfo{bidipresentation}
{Step: \the\c@step, Stepcommand: \the\c@stepcommand,\MessageBreak Stepsperformed: \the\c@stepsperformed}%
}
{}%
%
\f@step@bidiprescheck% Is this step to be activated? \f@step@bidiprescheck is defined by the first optional argument of \switch.
{% Yes.
\if@first@bidipres@true{}% For non-unique conditions given as optional argument or when \reswitch is used, it might happen
{% that \first@bidipres@\value{stepcommand} is already set. In this case, don't advance the counter stepsperformed.
\ifmeasuring@\else% Do nothing in AMSLaTeX's measuring pass for aligned equations.
\global\expandafter\let\csname first@bidipres@\the\c@stepcommand\endcsname=\empty% Set \first@bidipres@\value{stepcommand}
\fi
\global\advance\c@stepsperformed by 1\relax% Advance the counter for `real' first activations.
\gdef\current@step@bidipres{#2}%
}%
\setboolean{firstactivation}{true}% This switch can be tested in <stepcontents>, but also in <whenactive>.
}
{% No.
\setboolean{firstactivation}{false}% This switch can be tested in <stepcontents>, but also in <whenactive>.
}% End of \f@step@bidiprescheck
%
\let\o@afterstep@bidipres=\afterstep% We need to save the current definition of \afterstep.
%
\s@step@bidiprescheck% Is this step active? \s@step@bidiprescheck is defined by the second optional argument of \switch.
{% Yes.
\setboolean{active}{true}% Make this fact known to the user.
\ifthenelse{\boolean{firstactivation}}
{\inner@display@bidipres{\activatestep{#2}}}% `First' display of <stepcontents>.
{\inner@display@bidipres{#2}}% Display <stepcontents>.
}
{% No.
\setboolean{active}{false}% Make this fact known to the user.
\let\afterstep=\@gobble% Don't execute \afterstep here.
\ifthenelse{\boolean{firstactivation}}
{\inner@hide@bidipres{\activatestep{#1}}}% Hide <stepcontents>, but with `first activation'.
{\inner@hide@bidipres{#1}}% Hide <stepcontents>.
}% End of \s@step@bidiprescheck
%
\let\afterstep=\o@afterstep@bidipres% Restore the definition of \afterstep.
\setboolean{instep@bidipres}{false}% Set indicator.
}% End of the definition of \@switch@bidipres.
\@onlyinstepwise@bidipres\restep
\newcommand{\proper@restep@bidipres}
{%
\global\advance\c@stepcommand by -1% This is done by simply counting \value{stepcommand} backwards.
\proper@step@bidipres% Go on with \step.
}
\@onlyinstepwise@bidipres\reswitch
\newcommand{\proper@reswitch@bidipres}
{%
\global\advance\c@stepcommand by -1% This is done by simply counting \value{stepcommand} backwards.
\proper@switch@bidipres% Go on with \switch.
}
\@onlyinstepwise@bidipres\bstep
\newcommand{\proper@bstep@bidipres}{\let\@do@s@bidipres=\@bstep@bidipres\pickup@s@optargs@bidipres}
\newcommand{\@bstep@bidipres}[1]{{\boxedsteps\@step@bidipres{#1}}}
\@onlyinstepwise@bidipres\rebstep
\newcommand{\proper@rebstep@bidipres}
{%
\global\advance\c@stepcommand by -1% This is done by simply counting \value{stepcommand} backwards.
\proper@bstep@bidipres% Go on with \bstep.
}
\ifthenelse{\boolean{colormath@bidipres}}% Should we color math?
{% Yes.
\newcommand{\commitcolors@bidipres}
{\xecolor{\ifmmode mathcolor\else textcolor\fi}}% Switch to mathcolor if in math mode, to textcolor otherwise.
}
{% No.
\newcommand{\commitcolors@bidipres}{\xecolor{textcolor}}% Switch to textcolor.
}
\@onlyinstepwise@bidipres\dstep
\newcommand{\proper@dstep@bidipres}{\deactivate@inner@bidipres\let\@do@s@bidipres=\@dstep@bidipres\pickup@s@optargs@bidipres}
\ifthenelse{\boolean{bidiprescolor}}% Can we use colors at all?
{% Yes.
\newcommand{\@dstep@bidipres}{\@@switch@bidipres{\dimcolors\commitcolors@bidipres}{\set@color}}
}
{\newcommand{\@dstep@bidipres}{\@@switch@bidipres{}{}}}% No. Disable this command.
\@onlyinstepwise@bidipres\redstep
\newcommand{\proper@redstep@bidipres}
{%
\global\advance\c@stepcommand by -1% This is done by simply counting \value{stepcommand} backwards.
\proper@dstep@bidipres% Go on with \dstep.
}
\@onlyinstepwise@bidipres\vstep
\newcommand{\proper@vstep@bidipres}{\deactivate@inner@bidipres\let\@do@s@bidipres=\@vstep@bidipres\pickup@s@optargs@bidipres}
\ifthenelse{\boolean{bidiprescolor}}% Can we use colors at all?
{% Yes.
\newcommand{\@vstep@bidipres}{\@@switch@bidipres{\vanishcolors\xecolor{textcolor}}{\set@color}}
}
{\newcommand{\@vstep@bidipres}{\@@switch@bidipres{}{}}}% No. Disable this command.
\@onlyinstepwise@bidipres\revstep
\newcommand{\proper@revstep@bidipres}
{%
\global\advance\c@stepcommand by -1% This is done by simply counting \value{stepcommand} backwards.
\proper@vstep@bidipres% Go on with \vstep.
}
\@onlyinstepwise@bidipres\steponce
\newcommand{\proper@steponce@bidipres}
{\@ifnextchar[{\brack@steponce@bidipres}{\@steponce@bidipres}}% Optional argument in square brackets?
\newcommand{\@steponce@bidipres}
{%
\@ifnextchar(%% Optional argument in parentheses?
{\paren@steponce@bidipres}%
{\brack@steponce@bidipres[]}% [] is the default if no optional argument is given.
}
\def\brack@steponce@bidipres[#1]%
{%
\def\optarg@so@bidipres{[#1]}% Store optional argument for later re-insertion.
\@@steponce@bidipres% Proceed.
}%
\def\paren@steponce@bidipres(#1){\def\optarg@so@bidipres{(#1)}\@@steponce@bidipres}
\newcommand{\@@steponce@bidipres}[1]{\expandafter\step\optarg@so@bidipres[\boolean{firstactivation}]{#1}}
\newcounter{substep}
\@onlyinstepwise@bidipres\multistep
\newcommand{\proper@multistep@bidipres}
{%
\let\ns@ms@bidipres=\normalstep@ms@bidipres% Placeholder for `every step but the last one'.
\let\nshook@ms@bidipres=\relax% These hooks are used by \movie.
\let\lshook@ms@bidipres=\relax
\@ifstar% Starred version?
{%
\let\ls@ms@bidipres=\laststep@ms@bidipres% Last step acts differently.
\multistep@bidipres% Collect optional argument and proceed.
}
{%
\let\ls@ms@bidipres=\normalstep@ms@bidipres% Last step acts like all other steps.
\multistep@bidipres% Collect optional argument and proceed.
}%
}
\newcommand{\multistep@bidipres}% Collect optional argument.
{\@ifnextchar[{\brack@multistep@bidipres}{\@multistep@bidipres}}% Optional argument in square brackets?
\newcommand{\@multistep@bidipres}
{%
\@ifnextchar(%% Optional argument in parentheses?
{\paren@multistep@bidipres}%
{\brack@multistep@bidipres[]}% [] is the default if no optional argument is given.
}
\def\brack@multistep@bidipres[#1]%
{%
\def\optarg@ms@bidipres{[#1]}% Store optional argument for later re-insertion.
\@@multistep@bidipres% Proceed.
}%
\def\paren@multistep@bidipres(#1){\def\optarg@ms@bidipres{(#1)}\@@multistep@bidipres}
\newcommand{\normalstep@ms@bidipres}[1]
{%
\expandafter\switch\optarg@ms@bidipres% Re-insert optional argument.
[\boolean{firstactivation}]{}{#1}% `normal' steps appear only once.
}
\newcommand{\laststep@ms@bidipres}[1]
{\expandafter\switch\optarg@ms@bidipres{}{#1}}% In the starred version, the last step doesn't disappear.
\newcommand{\@@multistep@bidipres}[2]
{%
\setcounter{substep}{0}% Initialize substep counter.
\whiledo{\value{substep}<#1}% Iterate <n> times.
{%
\stepcounter{substep}%
\ifthenelse{\value{substep}=#1}% Last step?
{\ls@ms@bidipres{\lshook@ms@bidipres#2}}% Execute single step (together with \movie hooks).
{\ns@ms@bidipres{\nshook@ms@bidipres#2}}%
}%
}
\@onlyinstepwise@bidipres\movie
\newcommand{\proper@movie@bidipres}
{%
\let\ns@ms@bidipres=\normalstep@ms@bidipres% Placeholder for `every step but the last one'.
\def\nshook@ms@bidipres{\afterstep{\pageDuration{\dur@ms@bidipres}}}% Page duration to be used between steps.
\def\lshook@ms@bidipres{\afterstep{\end@ms@bidipres}}% Page duration setting after last step.
\@ifstar% Starred version?
{%
\let\ls@ms@bidipres=\laststep@ms@bidipres% Last step acts differently.
\movie@bidipres% Collect optional argument and proceed.
}
{%
\let\ls@ms@bidipres=\normalstep@ms@bidipres% Last step acts like all other steps.
\movie@bidipres% Collect optional argument and proceed.
}%
}
\newcommand{\movie@bidipres}% Collect optional argument.
{\@ifnextchar[{\brack@movie@bidipres}{\@movie@bidipres}}% Optional argument in square brackets?
\newcommand{\@movie@bidipres}
{\@ifnextchar({\paren@movie@bidipres}{\brack@movie@bidipres[]}}% Optional argument in parentheses?
\def\brack@movie@bidipres[#1]{\def\optarg@ms@bidipres{[#1]}\@@movie@bidipres}% Store optional argument and proceed.
\def\paren@movie@bidipres(#1){\def\optarg@ms@bidipres{(#1)}\@@movie@bidipres}
\newcommand{\@@movie@bidipres}[2]% Collect <n> and <dur> arguments.
{\gdef\dur@ms@bidipres{#2}\gdef\nosteps@ms@bidipres{#1}\@@@movie@bidipres}
\newcommand{\@@@movie@bidipres}[1][\stopAdvancing]% Collect second optional argument and call body of \multistep.
{\gdef\end@ms@bidipres{#1}\@@multistep@bidipres{\nosteps@ms@bidipres}}
\@onlyinstepwise@bidipres\overlays
\providecommand{\proper@overlays@bidipres}
{\@ifnextchar[{\brack@overlays@bidipres}{\@overlays@bidipres}}% Optional argument in square brackets?
\newcommand{\@overlays@bidipres}
{%
\@ifnextchar(%% Optional argument in parentheses?
{\paren@overlays@bidipres}%
{\brack@overlays@bidipres[]}% [] is the default if no optional argument is given.
}
\def\brack@overlays@bidipres[#1]%
{%
\def\optarg@ov@bidipres{[#1]}% Store optional argument for later re-insertion.
\@@overlays@bidipres% Proceed.
}%
\def\paren@overlays@bidipres(#1){\def\optarg@ov@bidipres{(#1)}\@@overlays@bidipres}
\newcommand{\@@overlays@bidipres}[2]
{%
\setcounter{substep}{1}% Initialize substep counter.
\leavevmode% Make sure that \rlap doesn't insert anything in the vertical list.
\whiledo{\value{substep}<#1}% Iterate <n-1> times (since we start at 1).
{%
\expandafter\switch\optarg@ov@bidipres{}{\ifthenelse{\boolean{firstactivation}}{\mbox{#2}}{\rlap{#2}}}%
\stepcounter{substep}%
}%
\expandafter\switch\optarg@ov@bidipres{}{\mbox{#2}}% Always using \mbox for last overlay.
}
\newenvironment{stepcapsule}{}{}
\newcommand{\afterstep}[1]
{%
\gdef\@afterstep@bidipres{#1}% The argument is simply stored in \@afterstep@bidipres, which is executed in \stepwise.
}
\newcounter{o@fs@bidipres}
\newcommand{\stepwise}
{%
\global\c@o@fs@bidipres=\c@firststep\relax% Save the default value of counter firststep.
\@ifstar% Using the starred version?
{% Yes.
\c@firststep=1\relax% Start with counter step at number 1.
\@stepwise@bidipres% Collect optional argument and proceed.
}
{% No.
\@stepwise@bidipres% Use the default.
}% End of \@ifstar.
}%
\newcommand{\list@stepcapsule}
{%
\renewenvironment{stepcapsule}% stepcapsule is to put an invisible rule on the vertical list.
{\vspace*{\parskip}\hrule \@height\z@\relax}{}
}%
\let\par@stepcapsule=\list@stepcapsule% Identical for \parstepwise.
\newcommand{\liststepwise}
{%
\@ifstar% Starred version?
{\def\star@bidipres{*}\@liststepwise@bidipres}% Save star in \star@bidipres, collect optional argument and proceed.
{\def\star@bidipres{}\@liststepwise@bidipres}% Collect optional argument and proceed (non-starred version).
}
\newcommand{\@liststepwise@bidipres}[1][]% Collect optional argument.
{%
\expandafter\stepwise\star@bidipres% Re-insert the star (if given).
[%
\list@stepcapsule% Activate special stepcapsule.
#1% Insert optional argument of \liststepwise.
]%
}
\newcommand{\parstepwise}
{%
\@ifstar% Starred version?
{\def\star@bidipres{*}\@parstepwise@bidipres}% Save star in \star@bidipres, collect optional argument and proceed.
{\def\star@bidipres{}\@parstepwise@bidipres}% Collect optional argument and proceed (non-starred version).
}
\newcommand{\@parstepwise@bidipres}[1][]% Collect optional argument.
{%
\expandafter\stepwise\star@bidipres% Re-insert the star (if given).
[%
\boxedsteps% Activate \boxedsteps.
\par@stepcapsule% Activate special stepcapsule.
#1% Insert optional argument of \parstepwise.
]%
}
\newcommand{\count@em@bidipres}[2]
{%
\global\advance\c@stepcommand by 1\relax% We simply advance the number of \step commands...
#2% ... and execute the second argument (to find nested uses of \step).
}
\def\@nb@bidipresfalse{\global\let\if@nb@bidipres\iffalse}
\def\@nb@bidiprestrue{\global\let\if@nb@bidipres\iftrue}
\newtoks\ep@bidipres
\def\savecounters@bidipres{%
\begingroup
\def\@elt##1{\global\csname c@##1\endcsname\the\csname c@##1\endcsname}%
\xdef\restorecounters@bidipres{\cl@@ckpt}%
\endgroup
\if@nobreak\@nb@bidiprestrue\else\@nb@bidipresfalse\fi
\global\ep@bidipres\everypar
}
\def\savebidiprescounters@bidipres{%
\begingroup
\def\@elt##1{\global\csname c@##1\endcsname\the\csname c@##1\endcsname}%
\xdef\restorebidiprescounters@bidipres{\cl@@ckpt@bidipres}%
\endgroup
}
\def\cl@@ckpt@bidipres{\@elt{totalsteps}\@elt{firststep}\@elt{step}\@elt{stepcommand}\@elt{stepsperformed}\@elt{o@fs@bidipres}}
\newcommand{\releasecounter}[1]%
{\expandafter\def\expandafter\cl@@ckpt@bidipres\expandafter{\cl@@ckpt@bidipres\@elt{#1}}}
\newcommand{\disable@counting@bidipres}
{%
\let\afterstep=\@gobble
\renewcommand{\backgroundstyle}[2][]{}%
\renewcommand{\@@vgradrule@bidipres}[3][0pt]{}%
\renewcommand{\@@@@dblvgradrule@bidipres}[3][0pt]{}%
\renewcommand{\@@hgradrule@bidipres}[3][0pt]{}%
\renewcommand{\@@@@dblhgradrule@bidipres}[3][0pt]{}%
}
\newboolean{instepwise@bidipres}
\newboolean{instep@bidipres}
\newcommand{\@stepwise@bidipres}[2][]
{%
\save@bidipres% Save the current contents of the page.
\savecounters@bidipres% Save the values of all counters.
\dumpcolorset{stwcolors}% Make a copy of all color definitions.
\begingroup% A group makes redefinitions local.
\setboolean{instepwise@bidipres}{true}% Set indicatior.
\let\step\proper@step@bidipres% By default, \step executes \proper@step@bidipres.
\let\restep\proper@restep@bidipres%
\let\bstep\proper@bstep@bidipres%
\let\rebstep\proper@rebstep@bidipres%
\let\dstep\proper@dstep@bidipres%
\let\redstep\proper@redstep@bidipres%
\let\vstep\proper@vstep@bidipres%
\let\revstep\proper@revstep@bidipres%
\let\steponce\proper@steponce@bidipres%
\let\multistep\proper@multistep@bidipres%
\let\movie\proper@movie@bidipres%
\let\overlays\proper@overlays@bidipres%
\let\switch\proper@switch@bidipres% By default, \switch executes \proper@switch@bidipres.
\let\reswitch\proper@reswitch@bidipres%
\let\orig@mathchoice@bidipres=\mathchoice% Save the current definition of \mathchoice...
\def\mathchoice##1##2##3##4% ... and redefine.
{%
\orig@mathchoice@bidipres% The original definition of \mathchoice is called...
{##1}% ... with the first argument untouched and in all other arguments, \step ...
{\let\step\restep\let\bstep\rebstep\let\dstep\redstep\let\vstep\revstep\let\switch\reswitch##2}% ... redefined ...
{\let\step\restep\let\bstep\rebstep\let\dstep\redstep\let\vstep\revstep\let\switch\reswitch##3}% ... to execute ...
{\let\step\restep\let\bstep\rebstep\let\dstep\redstep\let\vstep\revstep\let\switch\reswitch##4}% ... \restep.
}%
%
\c@stepcommand=0\relax% Initialize the counter for \step commands.
\let\@@switch@bidipres=\count@em@bidipres% Next, we count the \step commands in <contents>...
\setbox\tempbox@bidipres% ... by putting <contents> into a \vbox (which is then discarded).
=\vbox
{%
\hfuzz\maxdimen\hbadness\@M\relax% No bogus `overfull \hbox' warnings.
\disable@counting@bidipres#2% Inside the \vbox, some commands are redefined for safety and efficiency.
}%
\c@totalsteps=\c@stepcommand% Now, we know the total number of \step commands.
%
% Next, we have to reset \first@bidipres@<n> for <n>=0...\value{totalsteps}.
\c@step=0\relax
\loop
\ifnum\c@step<\c@totalsteps
\advance\c@step by 1\relax
\expandafter\let\csname first@bidipres@\the\c@step\endcsname=\@undefined% \first@bidipres@<n>=\@undefined means step <n>
% hasn't yet been activated.
\repeat
#1%
%
\c@step=\c@firststep% Set the counter for the current step to its starting value...
\c@stepsperformed=0\relax% ... and also the counter for the \step commands which are already activated.
\let\@@switch@bidipres=\@switch@bidipres% \step will now act normally.
\ifthenelse{\boolean{verbose@bidipres}}% Some accounting info (if verbose option is set).
{\ClassInfo{bidipresentation}{Total number of step commands: \the\c@totalsteps}}
{}%
%
\ifthenelse{\boolean{display}}% Are dynamic features enabled?
{}% Yes.
{% No. Do only one loop.
\c@stepsperformed=\c@totalsteps% Set everything up for the last loop.
\c@step=0\relax% Set \first@bidipres@<n> for <n>=0...\value{totalsteps}.
\loop
\ifnum\c@step<\c@totalsteps
\advance\c@step by 1\relax
\expandafter\let\csname first@bidipres@\the\c@step\endcsname=\@empty% \first@bidipres@<n>=\@empty means step <n>
% has already been activated.
\repeat
\advance\c@step by 1\relax% This way, the last step won't think it's `first activated'.
}%
\let\insertdup@bidipres=\insertfirstduplicate@bidipres% Setup command to restore page contents for the first time.
\loop% This is the central loop.
\c@stepcommand=0\relax% Initialize the counter for the current \step command.
\savebidiprescounters@bidipres% Save the `stepwise-specific' counters.
\restorecounters@bidipres% Restore the `original' values of all counters...
\restorebidiprescounters@bidipres% ... and the current values of the `stepwise-specific' counters.
\let\@afterstep@bidipres=\relax% Reset the container for \afterstep.
%
\insertdup@bidipres% Insert saved page contents.
\begin{stepcapsule}% This is usually empty, but may start a minipage (or whatever).
\usecolorset{stwcolors}% Restore colors to state at the beginning of \stepwise.
\if@nb@bidipres\@nobreaktrue\else\@nobreakfalse\fi
\global\everypar\ep@bidipres
#2% Execute <contents>
\end{stepcapsule}%
%
\@afterstep@bidipres% Whatever has been saved with \afterstep is now executed.
\ifnum\c@stepsperformed<\c@totalsteps% Doing one more round?
\outputduplicate@bidipres% Shipout this page and round we go again.
\let\insertdup@bidipres=\insertsecondduplicate@bidipres% Setup command to restore page contents for subsequent times.
\advance\c@step by 1\relax% Round we go again
\repeat
\endgroup
\global\c@firststep=\c@o@fs@bidipres\relax% Restore default value of counter firststep.
}
\newenvironment{fragilesteps}{%
\def\bidipresentation@verbatimfilename{\jobname-bidipresentation.vrb}%
\immediate\openout\bidipresentation@verbatimfileout=\bidipresentation@verbatimfilename%
\bidipresentation@verbatimreadframe%
}
{%
\immediate\closeout\bidipresentation@verbatimfileout%
\stepwise{\input{\bidipresentation@verbatimfilename}}%
}
\newwrite\bidipresentation@verbatimfileout
\def\bidipresentation@verbatimreadframe{%
\begingroup%
\let\do\@makeother\dospecials%
\count@=127%
\@whilenum\count@<255 \do{%
\advance\count@ by 1%
\catcode\count@=11%
}%
\@makeother\^^L% and whatever other special cases
\endlinechar`\^^M \catcode`\^^M=12 \bidipresentation@processframefirstline}
{\catcode`\^^M=12\endlinechar=-1%
\long\gdef\bidipresentation@processframefirstline#1^^M{%
\def\bidipresentation@test{#1}%
\ifx\bidipresentation@test\bidipresentation@stopframefirst%
\let\next=\bidipresentation@endfragilesteps%
\else
\ifx\bidipresentation@test\@empty%
\else%
\@temptokena={#1}%
\immediate\write\bidipresentation@verbatimfileout{\the\@temptokena}%
\fi%
\let\next=\bidipresentation@processframeline%
\fi%
\next%
}
\long\gdef\bidipresentation@processframeline#1^^M{%
\def\bidipresentation@test{#1}%
\ifx\bidipresentation@test\bidipresentation@stopframe%
\let\next=\bidipresentation@endfragilesteps%
\else
\immediate\write\bidipresentation@verbatimfileout{#1}%
\fi%
\next%
}
}
{
\escapechar=-1\relax%
\xdef\bidipresentation@stopframe{\string\\end\string\{fragilesteps\string\}}
\xdef\bidipresentation@stopframefirst{\noexpand\end\string\{fragilesteps\string\}}
}
\def\bidipresentation@endfragilesteps{\endgroup\end{fragilesteps}}
\newboolean{bidipresl@paralist}
\@ifpackageloaded{paralist}{\setboolean{bidipresl@paralist}{true}}{}
\newboolean{bidipresl@eqlist}
\@ifpackageloaded{eqlist}{\setboolean{bidipresl@eqlist}{true}}{}
\newboolean{bidipresl@pausestep}
\DeclareOption{pausestep}{\setboolean{bidipresl@pausestep}{true}}
\newboolean{bidipresl@noflipendstep}
\DeclareOption{noflipendstep}{\setboolean{bidipresl@noflipendstep}{true}}
\ProcessOptions
\define@key{bidipresl}{pausestep}[true]{%
\setboolean{bidipresl@pausestep}{#1}
}
\define@key{bidipresl}{noflipendstep}[true]{%
\setboolean{bidipresl@noflipendstep}{#1}
}
\newcommand*{\bidipreslsetup}{\setkeys{bidipresl}}
\newif\ifbidipresl@instepenv \bidipresl@instepenvfalse
\newif\ifbidipresl@inpausestepenv \bidipresl@inpausestepenvfalse
\newif\ifbidipresl@indimenv \bidipresl@indimenvfalse
\newif\ifbidipresl@inflipenv \bidipresl@inflipenvfalse
\let\oldenumerate=\enumerate
\let\olditemize=\itemize
\let\olddescription=\description
\let\endoldenumerate=\endenumerate
\let\endolditemize=\enditemize
\let\endolddescription=\enddescription
\ifthenelse{\boolean{bidipresl@eqlist}}{%
\let\oldeqlist=\eqlist
\let\endoldeqlist=\endeqlist
}{}
\ifthenelse{\boolean{bidipresl@paralist}}{%
\let\oldcompactenum=\compactenum
\let\oldcompactitem=\compactitem
\let\endoldcompactenum=\endcompactenum
\let\endoldcompactitem=\endcompactitem
}{}
\let\bidipresl@nx\noexpand
\let\bidipresl@xp\expandafter
\newtoks\bidipresl@emptytoks
\newtoks\bidipresl@envbody
\long\def\bidipresl@addto@envbody#1{\global\bidipresl@envbody\bidipresl@xp{\the\bidipresl@envbody#1}}
\def\bidipresl@collect@body#1{%
\bidipresl@envbody{\bidipresl@xp#1\bidipresl@xp{\the\bidipresl@envbody}}%
\edef\bidipresl@process@envbody{\the\bidipresl@envbody\bidipresl@nx\end{\@currenvir}}%
\bidipresl@envbody\bidipresl@emptytoks \def\begin@stack{b}%
\begingroup
\bidipresl@xp\let\csname\@currenvir\endcsname\bidipresl@collect@@body
\edef\bidipresl@process@envbody{\bidipresl@xp\bidipresl@nx\csname\@currenvir\endcsname}%
\bidipresl@process@envbody
}
\long\def\bidipresl@push@begins#1\begin#2{%
\ifx\end#2\else b\bidipresl@xp\bidipresl@push@begins\fi
}
\long\def\bidipresl@collect@@body#1\end#2{%
\edef\begin@stack{\bidipresl@push@begins#1\begin\end \bidipresl@xp\@gobble\begin@stack}%
\ifx\@empty\begin@stack
\endgroup
\@checkend{#2}%
\bidipresl@addto@envbody{#1}%
\else
\bidipresl@addto@envbody{#1\end{#2}}%
\fi
\bidipresl@process@envbody
}
\def\bidipresl@addmargin#1{%
\advance\@listdepth 1
\addtolength{\csname leftmargin\romannumeral\@listdepth\endcsname}{#1}
\advance\@listdepth -1
}
\ifthenelse{\boolean{display}}{%
\ifthenelse{\boolean{bidiprescolor}}% Can we use colors?
{% Yes. In this case highlighting is implemented by switching color.
\def\bidipresl@flipstep{%
\step{\ifthenelse{\boolean{firstactivation}}%
{\xecolor{textcolor}}%
{\xecolor{inactivecolor}}%
}%
}%
}
{% No. In this case highlighting is implemented by putting the item in boldface.
\def\bidipresl@flipstep{%
\step{\ifthenelse{\boolean{firstactivation}}{\bfseries}{\mdseries}}
}%
}
\ifthenelse{\boolean{bidiprescolor}}% Can we use colors?
{% Yes. In this case highlighting is implemented by using \dstep
\def\bidipresl@dimstep{\dstep}%
}
{% No. In this case highlighting is implemented by putting the item in boldface.
\def\bidipresl@dimstep{%
\step{\bfseries}%
\ifthenelse{\boolean{active}}{}{\mdseries}%
}%
}
\ifthenelse{\boolean{bidiprescolor}}% Can we use colors?
{% Yes. In this case stepping is implemented by using \vstep
\def\bidipresl@step{\vstep}%
}
{% No. In this case stepping is implemented using \pause
\def\bidipresl@step{\pause}%
}
}{% \boolean{display} is false
\def\bidipresl@flipstep{\relax}%
\def\bidipresl@dimstep{\relax}%
\def\bidipresl@step{\relax}%
}
\newenvironment{flipitem}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@flipitem}%
{\global\@ignoretrue}
\newenvironment{flipdesc}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@flipdesc}%
{\global\@ignoretrue}
\newenvironment{flipenum}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@flipenum}%
{\global\@ignoretrue}
\ifthenelse{\boolean{bidipresl@eqlist}}{%
\newenvironment{flipeqlist}[1][0cm]{%
\bidipresl@collect@body\@flipeqlist}%
{\global\@ignoretrue}
\newenvironment{flipcompacteqlist}[1][0cm]{%
\bidipresl@collect@body\@flipcompacteqlist}%
{\global\@ignoretrue}
}{}
\ifthenelse{\boolean{bidipresl@paralist}}{%
\newenvironment{flipcompactitem}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@flipcompactitem}%
{\global\@ignoretrue}
\newenvironment{flipcompactenum}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@flipcompactenum}%
{\global\@ignoretrue}
}{}
\newcommand\@fliplist[2]{%
\ifbidipresl@indimenv
\ClassError{bidipresentation}{%
dim* and flip* environments do NOT nest}{%
Do not continue! Type 'q' to stop and fix the nested list.
}
\else\ifbidipresl@instepenv
\begin{#1}
\let\hidestepcontents=\displaystepcontents
\renewcommand{\item}{\bidipresl@flipstep\bidipresl@origitem}%
#2
\end{#1}%
\else
\ifbidipresl@inpausestepenv\let\liststepwise=\stepwise\fi
\liststepwise[\let\hidestepcontents=\displaystepcontents]{%
\begin{#1}
\ifbidipresl@inpausestepenv\else
\ifbidipresl@instepenv\else\let\bidipresl@origitem=\item\fi
\fi
\bidipresl@instepenvtrue
\bidipresl@inflipenvtrue
\renewcommand{\item}{\bidipresl@flipstep\bidipresl@origitem}%
#2
\ifthenelse{\boolean{bidipresl@noflipendstep}}{}{\step{}}%
\end{#1}}
\fi\fi
}
\newcommand\@flipitem[1]{%
\@fliplist{olditemize}{#1}}
\newcommand\@flipdesc[1]{%
\@fliplist{olddescription}{#1}}
\newcommand\@flipenum[1]{%
\@fliplist{oldenumerate}{#1}}
\ifthenelse{\boolean{bidipresl@eqlist}}{%
\newcommand\@flipeqlist[1]{%
\@fliplist{oldeqlist}{#1}}
\newcommand\@flipcompacteqlist[1]{%
\@fliplist{compacteqlist}{#1}}
}{}
\ifthenelse{\boolean{bidipresl@paralist}}{%
\newcommand\@flipcompactitem[1]{%
\@fliplist{oldcompactitem}{#1}}
\newcommand\@flipcompactenum[1]{%
\@fliplist{oldcompactenum}{#1}}
}{}
\newenvironment{dimitem}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@dimitem}%
{\global\@ignoretrue}
\newenvironment{dimdesc}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@dimdesc}%
{\global\@ignoretrue}
\newenvironment{dimenum}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@dimenum}%
{\global\@ignoretrue}
\ifthenelse{\boolean{bidipresl@eqlist}}{%
\newenvironment{dimeqlist}[1][0cm]{%
\bidipresl@collect@body\@dimeqlist}%
{\global\@ignoretrue}
\newenvironment{dimcompacteqlist}[1][0cm]{%
\bidipresl@collect@body\@dimcompacteqlist}%
{\global\@ignoretrue}
}{}
\ifthenelse{\boolean{bidipresl@paralist}}{%
\newenvironment{dimcompactitem}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@dimcompactitem}%
{\global\@ignoretrue}
\newenvironment{dimcompactenum}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@dimcompactenum}%
{\global\@ignoretrue}
}{}
\newcommand\@dimlist[2]{%
\ifbidipresl@inflipenv
\ClassError{bidipresentation}{%
dim* and flip* environments do NOT nest}{%
Do not continue! Type <q> to stop and fix the nested list.
}
\else\ifbidipresl@instepenv
\begin{#1}
\renewcommand{\item}{\bidipresl@dimstep\bidipresl@origitem}%
#2
\end{#1}%
\else
\ifbidipresl@inpausestepenv\let\liststepwise=\stepwise\fi
\liststepwise{%
\begin{#1}
\ifbidipresl@inpausestepenv\else
\ifbidipresl@instepenv\else\let\bidipresl@origitem=\item\fi
\fi
\bidipresl@instepenvtrue
\bidipresl@indimenvtrue
\renewcommand{\item}{\bidipresl@dimstep\bidipresl@origitem}%
#2
\end{#1}}
\fi\fi
}
\newcommand\@dimitem[1]{%
\@dimlist{olditemize}{#1}}
\newcommand\@dimdesc[1]{%
\@dimlist{olddescription}{#1}}
\newcommand\@dimenum[1]{%
\@dimlist{oldenumerate}{#1}}
\ifthenelse{\boolean{bidipresl@eqlist}}{%
\newcommand\@dimeqlist[1]{%
\@dimlist{oldeqlist}{#1}}
\newcommand\@dimcompacteqlist[1]{%
\@dimlist{compacteqlist}{#1}}
}{}
\ifthenelse{\boolean{bidipresl@paralist}}{%
\newcommand\@dimcompactitem[1]{%
\@dimlist{oldcompactitem}{#1}}
\newcommand\@dimcompactenum[1]{%
\@dimlist{oldcompactenum}{#1}}
}{}
\newenvironment{stepitem}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@stepitem}%
{\global\@ignoretrue}
\newenvironment{stepdesc}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@stepdesc}%
{\global\@ignoretrue}
\newenvironment{stepenum}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@stepenum}%
{\global\@ignoretrue}
\ifthenelse{\boolean{bidipresl@eqlist}}{%
\newenvironment{stepeqlist}[1][0cm]{%
\bidipresl@collect@body\@stepeqlist}%
{\global\@ignoretrue}
\newenvironment{stepcompacteqlist}[1][0cm]{%
\bidipresl@collect@body\@stepcompacteqlist}%
{\global\@ignoretrue}
}{}
\ifthenelse{\boolean{bidipresl@paralist}}{%
\newenvironment{stepcompactitem}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@stepcompactitem}%
{\global\@ignoretrue}
\newenvironment{stepcompactenum}[1][0cm]{%
\bidipresl@addmargin{#1}
\bidipresl@collect@body\@stepcompactenum}%
{\global\@ignoretrue}
}{}
\newcommand\@steplist[2]{%
\ifthenelse{\boolean{bidipresl@pausestep}}{%
\ifbidipresl@inflipenv
\ClassError{bidipresentation}{%
flip* followed by step* environment does NOT work \MessageBreak
when the pausestep option is used}{%
Do not continue! Type <q> to stop and fix the nested list.
}
\else\ifbidipresl@indimenv
\ClassError{bidipresentation}{%
dim* followed by step* environment does NOT work \MessageBreak
when the pausestep option is used}{%
Do not continue! Type <q> to stop and fix the nested list.
}
\else
\begin{#1}
\ifbidipresl@inpausestepenv\else\let\bidipresl@origitem=\item\fi
\bidipresl@inpausestepenvtrue
\renewcommand{\item}{\pause\bidipresl@origitem}%
#2
\end{#1}
\fi\fi
}{
\ifbidipresl@inflipenv
\begin{#1}
\renewcommand{\item}{\bidipresl@flipstep\bidipresl@origitem}
#2
\end{#1}%
\else\ifbidipresl@indimenv
\begin{#1}
\renewcommand{\item}{\dstep\bidipresl@origitem}%
#2
\end{#1}%
\else\ifbidipresl@instepenv
\begin{#1}
\renewcommand{\item}{\bidipresl@step\bidipresl@origitem}%
#2
\end{#1}%
\else
\liststepwise{%
\begin{#1}
\ifbidipresl@instepenv\else\let\bidipresl@origitem=\item\fi
\bidipresl@instepenvtrue
\renewcommand{\item}{\bidipresl@step\bidipresl@origitem}%
#2
\end{#1}}
\fi\fi\fi
}
}
\newcommand\@stepitem[1]{%
\@steplist{olditemize}{#1}}
\newcommand\@stepdesc[1]{%
\@steplist{olddescription}{#1}}
\newcommand\@stepenum[1]{%
\@steplist{oldenumerate}{#1}}
\ifthenelse{\boolean{bidipresl@eqlist}}{%
\newcommand\@stepeqlist[1]{%
\@steplist{oldeqlist}{#1}}
\newcommand\@stepcompacteqlist[1]{%
\@steplist{compacteqlist}{#1}}
}{}
\ifthenelse{\boolean{bidipresl@paralist}}{%
\newcommand\@stepcompactitem[1]{%
\@steplist{oldcompactitem}{#1}}
\newcommand\@stepcompactenum[1]{%
\@steplist{oldcompactenum}{#1}}
}{}
\newenvironment{compacteqlist}[1][0cm]{%
% \bidipresl@addmargin{#1}
\begin{eqlist}[\parsep0pt\itemsep0pt]}%
{\end{eqlist}}
\renewenvironment{enumerate}[1][0cm]{%
\bidipresl@addmargin{#1}
\begin{oldenumerate}
\ifbidipresl@instepenv
\renewcommand{\item}{\bidipresl@origitem}%
\fi
}%
{\end{oldenumerate}}
\renewenvironment{itemize}[1][0cm]{%
\bidipresl@addmargin{#1}
\begin{olditemize}
\ifbidipresl@instepenv
\renewcommand{\item}{\bidipresl@origitem}%
\fi
}%
{\end{olditemize}}
\renewenvironment{description}[1][0cm]{%
% \bidipresl@addmargin{#1} % Has no effect - FIXME
\begin{olddescription}
\ifbidipresl@instepenv
\renewcommand{\item}{\bidipresl@origitem}%
\fi
}%
{\end{olddescription}}
\ifthenelse{\boolean{bidipresl@paralist}}{%
\renewenvironment{compactenum}[1][0cm]{%
\bidipresl@addmargin{#1}
\begin{oldcompactenum}
\ifbidipresl@instepenv
\renewcommand{\item}{\bidipresl@origitem}%
\fi
}%
{\end{oldcompactenum}}
\renewenvironment{compactitem}[1][0cm]{%
\bidipresl@addmargin{#1}
\begin{oldcompactitem}
\ifbidipresl@instepenv
\renewcommand{\item}{\bidipresl@origitem}%
\fi
}%
{\end{oldcompactitem}}
}{}
\endinput
%%
%% End of file `bidipresentation.cls'.