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%
% pxesopic.sty
% written by Hironobu Yamashita (@aminophen)
%
% This package is part of the plautopatch bundle.
% https://github.com/aminophen/plautopatch
%
% This package is expected to be compatible with
% * eso-pic.sty
% ????/??/?? v?.? -- 2018/04/12 v2.0h
%
% --------------------------------------------------------------
% [Note]
% The package ``pxesopic.sty'' relies heavily on internals
% of ``plautopatch.sty''
% --------------------------------------------------------------
%
%% package declaration
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{pxesopic}
[2020/09/27 v0.2a Patch to eso-pic for tombow]
%% preparations
\def\pxesop@pkgname{pxesopic}
\def\pxesop@error{\PackageError\pxesop@pkgname}
\def\pxesop@warn{\PackageWarningNoLine\pxesop@pkgname}
\let\pxesop@debug\@gobble
\def\pxesop@debug#1{\typeout{\pxesop@pkgname: [DEBUG] #1}}% for debug
%% hooks
\ifx\declare@file@substitution\@undefined
% LaTeX2e 2020-02-02 PL5 or older
\RequirePackage{filehook}
\let\pxesop@ExecuteAfterPackage=\AtEndOfPackageFile
\let\pxesop@ExecuteBeforePackage=\AtBeginOfPackageFile
\else
% LaTeX2e 2020-10-01 or newer
\def\pxesop@ExecuteAfterPackage#1{\AddToHook{package/after/#1}}
\def\pxesop@ExecuteBeforePackage#1{\AddToHook{package/before/#1}}
\fi
%% the contents of \AtBeginShipout is dependent on \iftombow;
%% delay execution of \AtBeginShipout inside ``eso-pic.sty''
%% until \AtBeginDocument, to support both (u)pLaTeX kernel
%% and ``gentombow.sty''
\RequirePackage{atbegshi}% eso-pic requires atbegshi
\pxesop@ExecuteBeforePackage{eso-pic}{\pxesop@before}
\pxesop@ExecuteAfterPackage{eso-pic}{\pxesop@after}
%
\def\pxesop@before{%
\let\pxesop@AtBeginShipout\AtBeginShipout
\def\AtBeginShipout##1{\def\pxesop@hook{##1}}% hide it
\pxesop@debug{\noexpand\AtBeginShipout disabled}%
\let\pxesop@before\relax
}
\def\pxesop@after{%
\let\AtBeginShipout\pxesop@AtBeginShipout % restore
\let\pxesop@AtBeginShipout\relax
\pxesop@debug{\noexpand\AtBeginShipout restored}%
\let\@unknownoptionerror\relax %% avoid an error
\pxesop@debug{\noexpand\@unknownoptionerror disabled}%
\let\pxesop@after\relax
}
%%
%% load it; be careful not to cause unknown option error!
\expandafter\ifx\csname @unknownoptionerror\endcsname
\pxesop@error{Failed to save \noexpand\@unknownoptionerror}\@ehc
\fi
\let\pxesop@unknownoptionerror\@unknownoptionerror
%
\chardef\pxesop@status\z@
\@ifpackageloaded{plautopatch}{%
\expandafter\ifx\csname platpc@begin@eso-pic\endcsname\relax
% ``plautopatch.sty'' is loaded but the macro is \relax
% => means that ``pxesopic.sty'' is automatically loaded
\chardef\pxesop@status\@ne
\fi
}{}
%
%% pass all options to keyval-style ``eso-pic.sty''
\DeclareOption*{\PassOptionsToPackage{\CurrentOption}{eso-pic}}
\ProcessOptions\relax
\RequirePackage{eso-pic}
%
%% recover the error
\ifnum\pxesop@status>\z@ % auto
\def\pxesop@pkgtohook{eso-pic}%
% note that ``plautopatch.sty'' discards the hook
% on LaTeX2e 2020-02-02 PL5 or older
\ifx\declare@file@substitution\@undefined
\let\pxesop@pkgtohook\pxesop@pkgname
% throw an error for unsupported usage
% [FIXME] the error below is actually unnecessary when
% none of ``eso-pic.sty'' options is used; how to detect that?
\pxesop@error{Try loading \pxesop@pkgname\space by hand}\@ehc
\fi
\else
\let\pxesop@pkgtohook\pxesop@pkgname
\fi
\pxesop@ExecuteAfterPackage\pxesop@pkgtohook{%
\let\@unknownoptionerror\pxesop@unknownoptionerror
\pxesop@debug{\noexpand\@unknownoptionerror restored}%
}
%%
%% delayed to detect \iftombow status
\AtBeginDocument{%
\ifx\tombowtrue\@undefined
\pxesop@warn{Tombow feature unavailable, aborting}%
\fi
\iftombow \pxesop@new \else \pxesop@orig \fi}%
%
%% for \iftombow is FALSE => restore from ``eso-pic.sty''
\expandafter\def\expandafter\pxesop@orig\expandafter{%
\expandafter\AtBeginShipout\expandafter{\pxesop@hook}}
%
%% for \iftombow is TRUE => redefine by ``pxesopic.sty''
\def\pxesop@new{%
%% \AtStockLowerLeft: based on TRUE of \ESO@isMEMOIR
\renewcommand\AtStockLowerLeft[1]{%
\begingroup
\@tempdima=-\stockwidth
\advance\@tempdima\paperwidth
\@tempdimb=-\stockheight
\advance\@tempdimb\paperheight
%% specific BEGIN
\advance\@tempdima 1in\relax
\advance\@tempdimb 1in\relax
%% specific END
\AtPageLowerLeft{%
\put(\LenToUnit{\@tempdima},\LenToUnit{\@tempdimb}){##1}%
}%
\endgroup
}% ===
%% \AtStockUpperLeft: based on TRUE of \ESO@isMEMOIR
\renewcommand\AtStockUpperLeft[1]{%
\AtStockLowerLeft{%
\put(0,\LenToUnit{\stockheight}){##1}%
}%
}% ===
%% \AtStockCenter: based on TRUE of \ESO@isMEMOIR
\renewcommand\AtStockCenter[1]{%
\AtStockLowerLeft{%
\put(\LenToUnit{.5\stockwidth},\LenToUnit{.5\stockheight}){##1}%
}%
}%
%% \AtTextUpperLeft: same as FALSE of \ESO@isMEMOIR
% (no change)
%
%% \AtBeginShipout: based on TRUE of \ESO@isMEMOIR
\AtBeginShipout{%
\@tempdima=\dimexpr(\stockwidth-\paperwidth)/2\relax
\@tempdimb=-\dimexpr(\stockheight+\paperheight)/2\relax
\ifESO@texcoord
\advance\@tempdimb\paperheight % [FIXME] not sure!
\fi
\nointerlineskip
\AtBeginShipoutUpperLeft{%
\put(\LenToUnit{\@tempdima},\LenToUnit{\@tempdimb}){%
\ESO@HookIIIBG\ESO@HookIBG\ESO@HookIIBG
\global\let\ESO@HookIIBG\@empty
}%
}%
\AtBeginShipoutUpperLeftForeground{%
\put(\LenToUnit{\@tempdima},\LenToUnit{\@tempdimb}){%
\ESO@HookIFG\ESO@HookIIFG\ESO@HookIIIFG
\global\let\ESO@HookIIFG\@empty
}%
}%
}% ===
}
%%
\endinput
%% EOF
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