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zr-tex8r/prdvipdfmx.def

Created October 7, 2012 14:25
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  1. zr-tex8r created this gist Oct 7, 2012.
    93 changes: 93 additions & 0 deletions prdvipdfmx.def
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    %
    % prdvipdfmx.def
    %
    %% Avoids duplicate loading.
    \csname bxpw@prdvipdfmx@loaded\endcsname
    \def\bxpw@prdvipdfmx@loaded{\endinput}
    %% If the engine is XeTeX or pdfTeX/LuaTeX then quits.
    \@tempswatrue
    \ifx\XeTeXversion\@undefined\else \@tempswafalse \fi
    \ifx\pdfoutput\@undefined\else
    \ifnum\pdfoutput>\z@ \@tempswafalse \fi
    \fi
    \if@tempswa\else \expandafter\endinput\fi\relax
    %% If prtightpage.def is already loaded, it's too late.
    \ifx\pr@bbadjust\@undefined\else
    \PackageError{preview}%
    {'dvipdfmx' must be specified earlier}\@ehc
    \expandafter\endinput\fi\relax
    %% Sets \pr@graphicstype.
    \let\pr@graphicstype\m@ne
    %% Interrupts the process of 'tightpage' option.
    \let\bxpw@default@ds\default@ds
    \def\default@ds{%
    \ifnum\pr@graphicstype=\m@ne
    \def\bxpw@tightpage{tightpage}%
    \fi
    \ifx\CurrentOption\bxpw@tightpage
    \bxpw@dispatch
    \else \bxpw@default@ds
    \fi}
    %% \bxpw@dispatch
    % Dispatched when 'tightpage' option is found.
    \def\bxpw@dispatch{%
    %
    \typeout{Preview: (dvipdfmx)}%
    %% Same as in prtightpage.def
    \ifx\PreviewBorder\@undefined
    \newdimen\PreviewBorder
    \PreviewBorder=0.50001bp
    \fi
    \ifx\PreviewBbAdjust\@undefined
    \def\PreviewBbAdjust{-\PreviewBorder -\PreviewBorder
    \PreviewBorder \PreviewBorder}
    \fi
    %% if active
    \ifPreview\bxpw@dispatch@active \fi
    %
    }
    \def\bxpw@dispatch@active{%
    %
    %% Same as in prtightpage.def
    \def\pr@nextbb{\edef\next{\next\space\number\dimen@}%
    \expandafter\xdef\csname pr@bb@%
    \romannumeral\count@\endcsname{\the\dimen@}%
    \advance\count@\@ne\ifnum\count@<5
    \afterassignment\pr@nextbb\dimen@=\fi}%
    \global\let\pr@bbadjust\@empty
    \pr@addto@front\pr@ship@end{\begingroup
    \let\next\@gobble
    \count@\@ne\afterassignment\pr@nextbb
    \dimen@\PreviewBbAdjust
    \ifx\pr@bbadjust\next
    \else \global\let\pr@bbadjust\next
    \typeout{Preview: Tightpage \pr@bbadjust}%
    \fi\endgroup}%
    %% post-shipout process for dvipdfmx
    \g@addto@macro\pr@ship@end{\dimen@\ht\pr@box
    \ifdim\dimen@<\z@ \dimen@\z@\fi
    \advance\dimen@\pr@bb@iv
    \dimen@ii=\dimen@
    \voffset=-1in
    \advance\voffset\dimen@
    \advance\voffset-\ht\pr@box
    \dimen@\dp\pr@box
    \ifdim\dimen@<\z@ \dimen@\z@\fi
    \advance\dimen@-\pr@bb@ii
    \advance\dimen@\dimen@ii
    \paperheight\dimen@
    \dimen@\wd\pr@box
    \ifdim\dimen@<\z@ \dimen@=\z@\fi
    \advance\dimen@-\pr@bb@i
    \advance\dimen@\pr@bb@iii
    \paperwidth\dimen@
    \setbox\pr@box\hbox{%
    \special{papersize=\the\paperwidth,\the\paperheight}%
    \box\pr@box}%
    \hoffset=-1in
    \advance\hoffset-\pr@bb@i
    \let\pr@offset@override\@empty}%
    %
    }
    %% all done
    \endinput
    7 changes: 7 additions & 0 deletions test-preview.tex
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    \documentclass[a4paper]{article}
    \usepackage[active,dvipdfmx,tightpage]{preview} % add 'dvipdfmx'
    \begin{document}
    \begin{preview}
    Happy {\TeX}ing!!
    \end{preview}
    \end{document}