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%	zhfont.sty	coded by YIN Dian
%	Simplify setting various font effects
%	Hist:	071204	First coded.
%		071210	Improved. Added \newfontfamilywithslant and
%			\newfontfamilywithslantandbold to simplify setting.
%		071211	Added fake bold support.
%		071231	Added underdot support.
%		080102	Minor changes on underdot. Don's use \scantokens.
%			Fixed bug of \zhfont in ulem. Added font family
%			selection and fake bold support in active hanzi.
\NeedsTeXFormat{LaTeX2e}[1996/12/01]
\def\filedate{2008/01/02}
\ProvidesPackage{zhfont}[\filedate]
\RequirePackage{zhspacing}
\RequirePackage{zhulem}
\newif\ifzhfont@fakebold
\zhfont@fakeboldfalse
\DeclareOption{fakebold}{\zhfont@fakeboldtrue}
\ProcessOptions\relax

\def\zhs@tmpmacro{}
\def\zhs@curr@fam{-1}

\zhnfsssavefont
\g@addto@macro\zhs@savefont{%
  \long\edef\zhs@tmpmacro{\f@family}%
  \def\zhs@curr@fam{0}%
  \ifx\zhs@tmpmacro\sfdefault
    \def\zhs@curr@fam{1}%
  \else\ifx\zhs@tmpmacro\ttdefault
    \def\zhs@curr@fam{2}%
  \fi\fi
  \edef\zhs@tmpmacro{\f@family}%
  \ifx\zhs@tmpmacro\sfdefault
    \def\zhs@curr@fam{1}%
  \else\ifx\zhs@tmpmacro\ttdefault
    \def\zhs@curr@fam{2}%
  \fi\fi
}
\ifzhfont@fakebold
\def\zhfont@bx{bx}
\g@addto@macro\zhs@savefont{%
  \ifx\f@series\zhfont@bx
    \special{pdf: literal direct q 0.3 w 2 Tr}%
  \fi
}
\g@addto@macro\zhs@restorefont{%
  \ifx\f@series\zhfont@bx
    \special{pdf: literal direct 0 Tr}%
  \fi
}
\fi

\def\newfontfamilywithslant#1#2{%
  \newfontfamily#1[ItalicFont=#2,ItalicFeatures={RawFeature={slant=0.17}},BoldItalicFont=#2,BoldItalicFeatures={RawFeature={slant=0.17}}]{#2}%
}
\def\newfontfamilywithslantandbold#1#2#3{%
  \newfontfamily#1[BoldFont=#3,ItalicFont=#2,ItalicFeatures={RawFeature={slant=0.17}},BoldItalicFont=#3,BoldItalicFeatures={RawFeature={slant=0.17}}]{#2}%
}

\ifzhfont@fakebold
  \newfontfamilywithslant\zhrmfont{SimSun}
  \newfontfamilywithslant\zhsffont{SimHei}
  \newfontfamilywithslant\zhttfont{[simfang.ttf]}
\else
  \newfontfamilywithslantandbold\zhrmfont{SimSun}{SimHei}
  \newfontfamilywithslant\zhsffont{SimHei}
  \newfontfamilywithslantandbold\zhttfont{[simfang.ttf]}{[simkai.ttf]}
\fi
\def\zhfont{\ifcase\zhs@curr@fam\zhrmfont\or\zhsffont\or\zhttfont\else\zhrmfont\fi}

\def\setzhmainfont{\newfontfamily\zhrmfont}
\def\setzhsansfont{\newfontfamily\zhsffont}
\def\setzhmonofont{\newfontfamily\zhttfont}

\enableactivehanzi
\def\zhhanzihook#1{%
  % select family
  \long\edef\zhs@tmpmacro{\f@family}%
  \def\zhs@curr@fam{0}%
  \ifx\zhs@tmpmacro\sfdefault
    \def\zhs@curr@fam{1}%
  \else\ifx\zhs@tmpmacro\ttdefault
    \def\zhs@curr@fam{2}%
  \fi\fi
  \edef\zhs@tmpmacro{\f@family}%
  \ifx\zhs@tmpmacro\sfdefault
    \def\zhs@curr@fam{1}%
  \else\ifx\zhs@tmpmacro\ttdefault
    \def\zhs@curr@fam{2}%
  \fi\fi
  \ifzhfont@fakebold\ifx\f@series\zhfont@bx
    \special{pdf: literal direct q 0.3 w 2 Tr}%
  \fi\fi
  {\XeTeXinterchartokenstate=0\zhs@font #1}%
  \ifzhfont@fakebold\ifx\f@series\zhfont@bx
    \special{pdf: literal direct 0 Tr}%
  \fi\fi
}

\def\underdot@dot{\XeTeXinterchartokenstate=0\zhpunctfont \vbox to 0.5em{\vss\hbox{·}\vss}}
%\def\underdot@dot{\vbox to 0.5em{\vss\hbox{\bf .}\vss}}
\newskip\underdot@skip
\underdot@skip=2.5pt
\def\underdot{%
  \begingroup
  \makehanziglobalactive
  \def\zhhanzihook##1{%
    \setbox0=\hbox{\underdot@dot}%
    \leavevmode\vtop{\baselineskip=\underdot@skip\lineskiplimit=-\maxdimen
    \advance\baselineskip\ht0
    % select family
    \long\edef\zhs@tmpmacro{\f@family}%
    \def\zhs@curr@fam{0}%
    \ifx\zhs@tmpmacro\sfdefault
      \def\zhs@curr@fam{1}%
    \else\ifx\zhs@tmpmacro\ttdefault
      \def\zhs@curr@fam{2}%
    \fi\fi
    \edef\zhs@tmpmacro{\f@family}%
    \ifx\zhs@tmpmacro\sfdefault
      \def\zhs@curr@fam{1}%
    \else\ifx\zhs@tmpmacro\ttdefault
      \def\zhs@curr@fam{2}%
    \fi\fi
    \ialign{####\cr\XeTeXinterchartokenstate=0\zhs@font 
    \ifzhfont@fakebold\ifx\f@series\zhfont@bx
    \special{pdf: literal direct q 0.3 w 2 Tr}##1%
    \special{pdf: literal direct 0 Tr}\else ##1\fi\else ##1\fi
    \cr\hidewidth\box0\hidewidth\cr}}%
  }%
  \underd@t
}
\def\underd@t#1{%
  #1%
  \makehanzigloballetter
  \endgroup
}

\endinput