TikZ の current page と jsclasses との相性問題の解決

fixpageforjs.sty

\NeedsTeXFormat{pLaTeX2e}
\ProvidesPackage{fixpageforjs}[2016/3/22, v0.01]
\RequirePackage{pgf}

\ifpapersize %% for [papersize] option of jsclasses
  \def\pgf@sys@pdf@mark@pos@pgfpageorigin{%
    \pgf@x=\dimexpr 1in \iftombow\else - 1truein\fi\relax
    \pgf@y=\dimexpr \paperheight*\the\mag/1000 - \paperheight + \iftombow 1in \else 1truein - 1in\fi\relax
    \ignorespaces
  }
\else %% for geometry.sty
  \def\pgf@sys@pdf@mark@pos@pgfpageorigin{%
    \pgf@x=\dimexpr 1in - 1truein\relax
    \pgf@y=\dimexpr \paperheight - \paperheight/\the\mag*1000 - 1in + 1truein\relax
    \ignorespaces
  }
  \expandafter\def\csname pgf@sh@np@current page\endcsname{%
    \def\southwest{\pgfpointorigin}%
    \def\northeast{\pgfpoint{\pgfsys@thepagewidth/\the\mag*1000}{\pgfsys@thepageheight/\the\mag*1000}}%
  }
\fi

\endinput