%%
%% This is file `psfrag.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% psfrag.dtx  (with options: `package')
%% 
%% Copyright (c) 1996 Craig Barratt, Michael C. Grant, and David Carlisle.
%% All rights reserved.
%% 
%% This file is part of the PSfrag package.
%% 
\NeedsTeXFormat{LaTeX2e}[1995/12/01]
\ProvidesPackage{psfrag}[1997/01/22 v3.03 PSfrag (MCG)]
\newif\ifpfg@compat
\newif\ifpfg@prepass
\newif\ifpfg@debug \pfg@debugfalse
\if@compatibility
  \pfg@compattrue\pfg@prepasstrue
\else
  \pfg@compatfalse\pfg@prepassfalse
\fi
\def\psfragscanon{\pfg@prepasstrue}
\def\psfragscanoff{\pfg@prepassfalse}
\def\psfragdebugon{\pfg@debugtrue}
\def\psfragdebugoff{\pfg@debugfalse}
\DeclareOption{scanall}{\pfg@prepasstrue}
\DeclareOption{2emode}{\pfg@compatfalse\pfg@prepassfalse}
\DeclareOption{209mode}{\pfg@compattrue\pfg@prepasstrue}
\DeclareOption{debugshow}{\pfg@debugtrue
                         \PassOptionsToPackage\CurrentOption{graphics}}
\DeclareOption*{\PassOptionsToPackage\CurrentOption{graphics}}
\ProcessOptions
\RequirePackage{graphics}
\providecommand\Gin@PS@file@header[1]{\AtBeginDvi{\special{header=#1}}}
\Gin@PS@file@header{psfrag.pro}
\def\pfg@orient{1}
\def\@tempa{dvips.def}\ifx\Gin@driver\@tempa\def\pfg@orient{-1}\fi%
\def\@tempa{textures.def}\ifx\Gin@driver\@tempa\def\pfg@orient{-1}\fi%
\newcount\pfg@pcount \pfg@pcount=\z@
\newcount\pfg@scount \pfg@scount=\z@
\let\pfg@epsfbox\epsfbox
\newif\ifpfg@epsf\pfg@epsffalse
\def\epsfbox#1{%
    \begingroup\pfg@epsftrue
    \ifpfg@prepass\pfg@scan{#1}\fi
    \ifnum\pfg@scount>\z@\pfg@hidestart\fi
    \pfg@epsfbox{#1}%
    \ifnum\pfg@scount>\z@\pfg@hideend\fi
    \endgroup}
\let\pfg@Ginclude@eps\Ginclude@eps
\def\Ginclude@eps#1{%
    \ifpfg@epsf\else
        \begingroup\ifpfg@prepass\pfg@scan{#1}\fi
        \ifnum\pfg@scount>\z@\pfg@hidestart\fi
    \fi
    \pfg@Ginclude@eps{#1}%
    \ifpfg@epsf\else
        \ifnum\pfg@scount>\z@\pfg@hideend\fi
        \endgroup
    \fi}
\newenvironment{psfrags}{\ignorespaces}{\global\@ignoretrue}
\ifpfg@compat
\def\psfragspecial#1#2#3#4#5#6{%
   \PackageError{PSfrag}%
     {\string\psfragspecial no longer implemented.}{}}
\fi
\newif\ifpfg@star
\def\psfrag{\@ifstar{\pfg@startrue\@psfraga}{\pfg@starfalse\@psfraga}}
\def\@psfraga{\begingroup
   \@makeother\"\@makeother\*\@makeother\!\@makeother\~%
   \@makeother\:\@makeother\\\@makeother\%\@makeother\#%
   \@makeother\ \@psfragb}
\ifpfg@compat
\def\@psfragb#1{\xdef\@gtempa{#1}\endgroup
                \@ifnextchar[{\@psfragc{\@gtempa}}%
                             {\@psfrag{\@gtempa}[bl][bl][1][0]}}
\def\@psfragc#1[#2]{\@ifnextchar [{\@psfragd{#1}[#2]}%
                                  {\@psfrag{#1}[#2][bl][1][0]}}
\else
\def\@psfragb#1{\xdef\@gtempa{#1}\endgroup
                \@ifnextchar [{\@psfragc{\@gtempa}}%
                              {\@psfrag{\@gtempa}[Bl][Bl][1][0]}}
\def\@psfragc#1[#2]{\@ifnextchar [{\@psfragd{#1}[#2]}%
                                  {\@psfrag{#1}[#2][Bl][1][0]}}
\fi
\def\@psfragd#1[#2][#3]{\@ifnextchar [{\@psfrage{#1}[#2][#3]}%
                                      {\@psfrag{#1}[#2][#3][1][0]}}
\def\@psfrage#1[#2][#3][#4]{\@ifnextchar [{\@psfrag{#1}[#2][#3][#4]}%
                                       {\@psfrag{#1}[#2][#3][#4][0]}}
\def\pfg@newstring#1.#2{%
    \@nameedef{pfg@using@#2}{#1}%
    \pfg@starfalse\advance\pfg@scount\@ne}
\def\@psfrag#1{%
    \@ifundefined{pfg@using@#1}%
      {\expandafter\pfg@newstring\the\pfg@scount.{#1}}%
      {}%
    \edef\@tempa{\@nameuse{pfg@using@#1}}%
    \expandafter\@@psfrag\@tempa.{#1}}
\def\@@psfrag{\expandafter\@@@psfrag\the\pfg@pcount.}
\def\@nameedef#1#2{\expandafter\edef\csname #1\endcsname{#2}}
\def\@@@psfrag#1.#2.#3[#4][#5][#6][#7]#8{%
    \advance\pfg@pcount\@ne
    \ifpfg@star\else\@nameedef{pfg@align@#2}{(#3)[}\fi
    \@nameedef{pfg@align@#2}{\@nameuse{pfg@align@#2}[#1(#5)#6 #7]}%
    \@namedef{pfg@place@#1}{\pfg@@place{#1}{#4}{#8}}\ignorespaces}
\def\pfg@align#1.{\@nameuse{pfg@align@#1}}
\def\pfg@place#1.{\@nameuse{pfg@place@#1}}
\def\pfg@hidestart{%
    \def\pfg@{}\count@=\z@\loop\ifnum\count@<\pfg@scount
        \toks@=\expandafter{\expandafter\pfg@align\the\count@.}%
        \edef\pfg@{\pfg@\the\toks@]}%
        \advance\count@ by\@ne\repeat
    \Gin@PS@raw{/PSfrag where{pop\pfg@\the\pfg@scount\space
                \ifpfg@debug1\else0\fi\space\pfg@orient/Begin
                PSfrag}{userdict /PSfrag{pop}put}ifelse}}
\def\pfg@hideend{%
    \Gin@PS@raw{/End PSfrag}%
    \vbox to\z@{\vss
        \Gin@PS@raw{/Hide PSfrag}%
        \hbox to\z@{\hss \raisebox{\depth}{%
            \underline{PSfrag replacements}}}%
        \Gin@PS@raw{/Unhide PSfrag}%
        \count@=\z@\loop\ifnum\count@<\pfg@pcount
            \expandafter\pfg@place\the\count@.%
            \advance\count@ by\@ne\repeat}}
\let\pfg@dp\leftmargini\let\pfg@wd\leftmarginii
\let\pfg@dx\leftmarginiii\let\pfg@dy\leftmarginiv
\edef\pfg@bchar{ \string{ }
\edef\pfg@echar{ \string} }
\def\pfg@@place#1#2#3{\begingroup
    \sbox\z@{#3}%
    \dimen@=\ht\z@ \advance\dimen@ by\dp\z@%
    \pfg@wd=0.5\wd\z@\pfg@dp=0.5\dimen@
    \pfg@dx=\pfg@wd\pfg@dy=\pfg@dp
    \@tfor\@tempa:=#2\do{%
        \if l\@tempa \pfg@dx=\z@    \pfg@wd=\wd\z@ \else
        \if r\@tempa \pfg@dx=\wd\z@ \pfg@wd=\z@    \else
        \if b\@tempa \pfg@dy=\z@    \pfg@dp=\z@    \else
        \if t\@tempa \pfg@dy=\dimen@\pfg@dp=\dimen@\else
        \if B\@tempa \pfg@dy=\dp\z@ \pfg@dp=\dp\z@ \fi\fi\fi\fi\fi}%
    \setbox\z@\hbox to\z@{\hskip-\pfg@dx\box\z@\hss}%
    \setbox\z@\vbox to\z@{\vss\box\z@\vskip-\pfg@dy}%
    \vbox to\dimen@{\vss\hbox to\z@{\hss
        \Gin@PS@raw{\pfg@bchar}\box\z@
        \Gin@PS@raw{\pfg@echar#1/Place PSfrag}%
        \hskip\pfg@wd}\vskip\pfg@dp}%
    \endgroup}
\newwrite\pfg@temp
\def\pfg@scan#1{\begingroup
    \@tempcnta\z@
    \loop
    \ifnum\@tempcnta<\@xxxii
        \catcode\@tempcnta12 \advance\@tempcnta\@ne
    \repeat
    \let\do\@makeother\dospecials\catcode`\ 10 %
    \catcode`\{=1\catcode`\}=2\catcode127=12 %
    \catcode`\\=\active\catcode\endlinechar5 %
    \immediate\openout\pfg@temp=\jobname.pfg %
    \immediate\openin\@inputcheck=#1 %
    \ifeof\@inputcheck
      \PackageWarning{psfrag}{Could not scan #1...}\endgroup
    \else
      \message{<psfrag:#1>}%
      \@tempswatrue
      \loop
        \ifeof\@inputcheck
          \@tempswafalse
        \else
          \read\@inputcheck to\@tempa
          \expandafter\pfg@find\@tempa{\@nil}%
        \fi
      \if@tempswa
      \repeat
      \closein\@inputcheck
    \fi
    \immediate\closeout\pfg@temp
    \endgroup
    \@input{\jobname.pfg}}
\long\def\pfg@find#1#{\pfg@finda{#1}}
\begingroup
  \lccode`\~=`\\
  \lowercase{\endgroup
\long\def\pfg@finda#1#2{%
  \def\@tempa{#2}%
  \ifx\@tempa\@nnil
  \else
    \pfg@findb#1(~~tex(~~tex%
  \fi}
\long\def\pfg@findb#1(~~tex#2(~~tex#3\fi{%
  \fi
  \ifx\box#3\box
  \else
     {\let~\string
        \edef\@tempb{\@tempa}%
      \let~\relax
        \immediate\write\pfg@temp{%
          \string\psfrag\space
            {\string\\tex#2{\@tempa}}#2\@percentchar
          ^^J\@spaces\@spaces{\@tempb}\@percentchar}}%
    \let\@tempa\@empty
  \fi
  \expandafter\pfg@find\@tempa}
}
\endinput
%%
%% End of file `psfrag.sty'.