From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001
From: Norbert Preining <norbert@preining.info>
Date: Mon, 2 Sep 2019 13:46:59 +0900
Subject: Initial commit

---
 macros/latex/contrib/flippdf/flippdf.dtx | 186 +++++++++++++++++++++++++++++++
 1 file changed, 186 insertions(+)
 create mode 100644 macros/latex/contrib/flippdf/flippdf.dtx

(limited to 'macros/latex/contrib/flippdf/flippdf.dtx')

diff --git a/macros/latex/contrib/flippdf/flippdf.dtx b/macros/latex/contrib/flippdf/flippdf.dtx
new file mode 100644
index 0000000000..a285e1b097
--- /dev/null
+++ b/macros/latex/contrib/flippdf/flippdf.dtx
@@ -0,0 +1,186 @@
+% \iffalse meta-comment
+%
+% Copyright 2006
+% Sergio Callegari <sergio.callegari@gmail.com>
+%
+% ---------------------------------------------
+% This file is part of the flippdf package,
+% a contribution to the LaTeX2e system.
+% ---------------------------------------------
+%
+% It may be distributed and/or modified under the conditions of the
+% LaTeX Project Public License, either version 1.3 of this licence, or
+% any later version. The latest version of this license is at
+% http://www.latex-project.org/lppl.txt and version 1.3 is part
+% of all distributions of LaTeX version 2003/06/01 or later.
+%
+% This work has the LPPL maintenance status "author-maintained".
+%
+% This program consists of the files listed in the README file
+% included in the package.
+%
+%<*driver>
+\documentclass{ltxdoc}
+\usepackage{mathptmx, helvet, courier}
+\EnableCrossrefs
+\DoNotIndex{\NeedsTeXFormat,\ProcessOptions}
+\DoNotIndex{\def,\gdef,\let,\newcommand}
+\DoNotIndex{\ProvidesPackage,\RequirePackage,\DeclareOption,\endinput}
+\DoNotIndex{\ifx,\fi,\paperwidth,\space,\strip@pt,\newif}
+\CodelineIndex
+\RecordChanges
+\begin{document}
+  \DocInput{flippdf.dtx}
+\end{document}
+%</driver>
+%
+% \fi
+%
+% \CheckSum{23}
+%
+% \def\filename{flippdf.dtx}
+% \def\fileversion{1.0}
+% \def\filedate{2006/06/30}
+% \def\docdate{2006/06/30}
+%
+% \newcommand*{\Lpack}[1]{\textsf {#1}}           ^^A typeset a package
+% \newcommand*{\Lopt}[1]{\textsf {#1}}            ^^A typeset an option
+% \newcommand*{\file}[1]{\texttt {#1}}            ^^A typeset a file
+% \newcommand*{\Lcount}[1]{\textsl {\small#1}}    ^^A typeset a counter
+% \newcommand*{\pstyle}[1]{\textsl {#1}}          ^^A typeset a pagestyle
+% \newcommand*{\Lenv}[1]{\texttt {#1}}            ^^A typeset an environment
+%
+% \title{The \Lpack{flippdf} package\thanks{This file
+%     (\texttt{\filename}) has version number \fileversion, last
+%     revised \filedate.}}
+%
+% \author{%
+%   Sergio Callegari\thanks{Sergio Callegari can be reached at
+%       \texttt{sergio.callegar at gmail dot com}}} 
+%
+% \date{\docdate}
+%
+% \maketitle
+%
+% \begin{abstract}
+%   The \Lpack{pdfflip} package extends pdf\LaTeX\ making it possible
+%   to typeset a ``mirrored'' version of the document. This is
+%   sometimes required by publishers who want ``camera-ready''
+%   documents to be printable on transparent films, so that one reads
+%   the pages correctly by looking \emph{through} the film (i.e., with
+%   the \emph{unprinted} side of the film towards his eyes. This
+%   package requires \Lpack{everypage} by the same author and works
+%   with pdf\LaTeX\ only.
+% \end{abstract}
+% 
+% \section{Introduction}
+% 
+% This \LaTeX\ package makes it possible to typeset a document
+% horizontally flipping its pages. This is sometimes required by
+% publishers who want ``camera-ready'' documents to be printable on
+% transparent films, so that one reads the pages correctly by looking
+% \emph{through} the film (i.e., with the \emph{unprinted} side of the
+% film towards his eyes.
+%
+% It is also possible to activate the mirroring capability on a page
+% by page basis.
+%
+% This package requires \Lpack{everypage} by the same author and works
+% with pdf\LaTeX\ only.
+%
+% \section{User interface}
+% By default, once loaded as:
+% \begin{quote}
+% |\usepackage{pdfflip}|
+% \end{quote}
+% the \Lpack{pdfflip} becomes immediately \emph{active} (i.e., starts
+% flipping horizontally every page). Conversely, by selecting the
+% \Lopt{off} option as in
+% \begin{quote}
+% |\usepackage[off]{pdfflip}|
+% \end{quote}
+% The package is loaded but remains inactive.
+%
+% \DescribeMacro{\FlipPDF}\DescribeMacro{\UnFlipPDF}
+% The |\FlipPDF| command lets one switch on page flipping. Conversely,
+% |\UnFlipPDF| switches off page flipping.
+% 
+% \StopEventually {}
+% 
+% \section{Implementation}
+%
+% Announce the name and version of the package, which requires
+% \LaTeXe (actually pdfLaTeX).
+%    \begin{macrocode}
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{flippdf}%
+  [2006/06/30 1.0 Horizontal flipping of pages with pdfLaTeX]
+%    \end{macrocode}
+%
+% Reminds the dependence on \Lpack{everypage}.
+%    \begin{macrocode}
+\RequirePackage{everypage}
+%    \end{macrocode}
+% \begin{macro}{\if@sc@flippdf}
+%
+% Defines a boolean variable to remember if pages are to be flipped or
+% not.
+%    \begin{macrocode}
+\newif\if@sc@flippdf
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\FlipPDF}\begin{macro}{\UnFlipPDF}
+% Define the commands used to switch on and off the horizontal
+% flipping of the document pages.
+%    \begin{macrocode}
+\newcommand\FlipPDF{\@sc@flippdftrue}
+\newcommand\UnFlipPDF{\@sc@flippdffalse}
+%    \end{macrocode}
+% \end{macro}\end{macro}
+%
+% By default activate the flipping:
+%    \begin{macrocode}
+\FlipPDF
+%    \end{macrocode} 
+% 
+% Set up the processing of options:
+%    \begin{macrocode}
+\DeclareOption{off}{\UnFlipPDF}
+\ProcessOptions
+%    \end{macrocode}
+%
+% And eventually, tell \LaTeX\ to flip every page, by using the
+% \Lpack{everypage} hook:
+%    \begin{macrocode}
+\AddEverypageHook{%
+  \if@sc@flippdf
+  \pdfliteral direct {-1 0 0 1 \strip@pt\paperwidth\space 0 cm}
+  \fi}
+\endinput
+%    \end{macrocode}
+%
+% \Finale
+% \PrintIndex
+%
+%% \CharacterTable
+%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+%%   Digits        \0\1\2\3\4\5\6\7\8\9
+%%   Exclamation   \!     Double quote  \"     Hash (number) \#
+%%   Dollar        \$     Percent       \%     Ampersand     \&
+%%   Acute accent  \'     Left paren    \(     Right paren   \)
+%%   Asterisk      \*     Plus          \+     Comma         \,
+%%   Minus         \-     Point         \.     Solidus       \/
+%%   Colon         \:     Semicolon     \;     Less than     \<
+%%   Equals        \=     Greater than  \>     Question mark \?
+%%   Commercial at \@     Left bracket  \[     Backslash     \\
+%%   Right bracket \]     Circumflex    \^     Underscore    \_
+%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
+%%   Right brace   \}     Tilde         \~}
+\endinput
+
+%%% Local Variables: 
+%%% mode: doctex
+%%% TeX-master: t
+%%% End: 
-- 
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