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authorNorbert Preining <norbert@preining.info>2022-07-21 03:00:45 +0000
committerNorbert Preining <norbert@preining.info>2022-07-21 03:00:45 +0000
commit5cf5182b44c08dfb2bc977ce5aa5ca6d03b36923 (patch)
treeb32d29c9fb1289ccc994ee099b27c4a45b621a0a /macros/latex/contrib/gentombow/bounddvi.sty
parent2773132ea593028dafe764f7560fd94ecb827d3d (diff)
CTAN sync 202207210300
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-%
-% bounddvi.sty
-% 2020/10/08 v8.2-v7.0 h.y.acetaminophen [at] gmail.com
-% 2004/12/15 v6.0-v1.0 inoue [at] ma.ns.tcu.ac.jp
-%
-% This package, originally written by Koichi Inoue
-% and modified by Hironobu Yamashita, is distributed
-% as part of the gentombow bundle.
-% https://github.com/aminophen/gentombow
-%
-
-\NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{bounddvi}[2020/10/08 v8.2 bounddvi]
-
-% Note: graphics/color drivers
-% - dvips.def 2016/07/10 v3.1a or later
-% - dvipdfmx.def 2016/07/10 v4.12 or later
-% emit papersize special _only_ when \Gin@setpagesizetrue
-% and \mag = 1000. When graphicx(s) or color is used with
-% setpagesize option (= default since 2016) and \mag equals
-% to 1000, we can exploit its routine.
-% (they are using \AtBeginDocument{\AtBeginDvi{...}})
-% However, these .def files do _not_ care about tombow; so,
-% we set \stock{width,height} to invoke stock test in those
-% files (probably meant for memoir.cls).
-
-% detection of \iftombow status is delayed until \AtBeginDocument,
-% to support both (u)pLaTeX kernel and ``gentombow.sty''
-\def\bddv@maybe@ensure@stock{%
- \ifx\tombowtrue\@undefined
- \let\bddv@ensure@stock\relax % skip if-tokens
- \fi
- \bddv@ensure@stock}
-
-% when \iftombow == \iftrue, we also need \stock{width,height}
-\def\bddv@ensure@stock{%
- \iftombow
- % if \stockwidth/\stockheight are not available,
- % define them now
- \ifx\stockwidth\@undefined \newdimen\stockwidth \fi
- \ifx\stockheight\@undefined \newdimen\stockheight \fi
- % if \stockwidth already has effective value, do nothing;
- % otherwise assume pLaTeX-style tombow and set it to
- % \paperwidth + 2in (similar for \stockheight)
- \ifdim\stockwidth>\z@\else
- \stockwidth\paperwidth \advance\stockwidth2in
- \fi
- \ifdim\stockheight>\z@\else
- \stockheight\paperheight \advance\stockheight2in
- \fi
- \fi
-}
-
-% prepare actual papersize special
-\def\bddv@emit@papersize{%
- \begingroup
- % if \stockwidth/\stockheight are defined & have effective
- % values, copy them to \paperwidth/\paperheight
- % for current group
- \ifx\stockwidth\@undefined\else \ifdim\stockwidth>\z@
- \paperwidth\stockwidth
- \fi\fi
- \ifx\stockheight\@undefined\else \ifdim\stockheight>\z@
- \paperheight\stockheight
- \fi\fi
- % adjust for \mag and emit papersize special
- \divide\paperwidth\@m\multiply\paperwidth\mag
- \divide\paperheight\@m\multiply\paperheight\mag
- \special{papersize=\the\paperwidth,\the\paperheight}%
- \endgroup
-}
-
-%% Since LaTeX2e 2020-10-01, \@begindocumenthook is deprecated
-%% and \UseHook{begindocument} etc. are used.
-%% This code appends papersize special to the _end_ of the hook.
-%% (Note: support for old dvips is removed.)
-\providecommand\IfFormatAtLeastTF{\@ifl@t@r\fmtversion}
-\IfFormatAtLeastTF{2020-10-01}{%
- \AtBeginDocument{%
- \bddv@maybe@ensure@stock
- \AtBeginDvi{\bddv@emit@papersize}}%
- \endinput
-}{}
-
-%% The rest of this package is meant for
-%% LaTeX2e 2020-02-02 PL5 or older.
-
-% following code is almost equivalent to
-% \AtBeginDocument{\AtBeginDvi{...}}
-% however, we put into the _beginning_ of \@begindocumenthook;
-% this ensures proper papersize when old dvips
-% (TeX Live 2016 or earlier) is used.
-% also, note that old pLaTeX (before 2016/07/01) needs \yoko
-% at the beginning of \AtBeginDvi.
-\begingroup
-\def\@prependto@begindocumenthook{%
- \bddv@maybe@ensure@stock
- \global\setbox\@begindvibox\vbox{%
- \csname yoko\endcsname\unvbox\@begindvibox
- \bddv@emit@papersize}}
-\toks@\expandafter\expandafter\expandafter
- {\expandafter\@prependto@begindocumenthook\@begindocumenthook}
-\xdef\@begindocumenthook{\the\toks@}
-% append papersize special again to the _end_ of the
-% current \@begindocumenthook; this will be meaningful e.g. when
-% geometry is loaded before bounddvi.
-% (geometry adds \AtBeginDocument{\AtBeginDvi{...}} specification)
-\expandafter\g@addto@macro\expandafter\@begindocumenthook
- \expandafter{\@prependto@begindocumenthook}
-\endgroup
-
-\endinput