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Code Editor : textfit.sty

%%
%% This is file `textfit.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% textfit.dtx  (with options: `package')
%% Copyright (C) 1993,94 Sebastian Rahtz and Phil Taylor.
%% All rights reserved. Permission is granted to to
%% customize the declarations in this file to serve the needs of your
%% installation.  However, no permission is granted to distribute a
%% modified version of this file under its original name.
%% 
\def\fileversion{5}
\def\filedate{1994/04/15}
\def\docdate{1994/04/15}
%% File: textfit.dtx Copyright (C) 1994 Sebastian Rahtz and Phil Taylor
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{textfit}[\filedate]
\newif\ifScalebyMagsteps
\newif\ifNoisyFitting
\NoisyFittingfalse
\ScalebyMagstepsfalse
\DeclareOption{noisy}{\NoisyFittingtrue}
\DeclareOption{magstep}{\ScalebyMagstepstrue}
\ProcessOptions
\newcount \mags@f@r
\newdimen \desired@size
\newcount \r@mainder
\newcount \m@gstepcount
\newcount \m@gsteplimit
\newcount \m@gstepvalue
\newdimen \m@gstepdimen
\def \magsteps {\afterassignment \m@gsteps \m@gsteplimit = }
\def \m@gsteps
    {\let \@r = \or
     \def \or {\noexpand \or}%
     \m@gstepdimen = 0.166667 \maxdimen
     \m@gstepvalue = 1000
     \m@gstepcount = 0
     \def \magstep {}%
     \loop
     \ifnum     \m@gstepcount < \m@gsteplimit
                \advance \m@gstepcount by 1
                \ifnum \m@gstepvalue > \m@gstepdimen
                        \advance \m@gstepcount by -1
                        \message {Sorry --- integer overflow would occur if
                                        I went any further; stopped at
                                                \the \m@gstepcount.}
                        \m@gsteplimit = \m@gstepcount
                \else
                        \multiply \m@gstepvalue by 12
                        \multiply \r@mainder by 12
                        \divide \r@mainder by 10
                        \advance \m@gstepvalue by \r@mainder
                        \r@mainder = \m@gstepvalue
                        \divide \m@gstepvalue by 10
                        \multiply \m@gstepvalue by 10
                        \advance \r@mainder by -\m@gstepvalue
                        \divide \m@gstepvalue by 10
                        \ifnum \r@mainder < 5
                               \edef \magstep {\magstep \or \the \m@gstepvalue}%
                        \else
                               \advance \m@gstepvalue by 1
                               \edef \magstep {\magstep \or \the \m@gstepvalue}%
                               \advance \m@gstepvalue by -1
                        \fi
                \fi
     \repeat
     \edef \magstep ##1%
          {\noexpand \ifcase ##1
                        1000\magstep
           \noexpand \else 0%
           \noexpand \message
                {Sorry --- \string \magstep \space ##1
                                is not in range 0 .. \the \m@gsteplimit}%
           \noexpand \fi
           \noexpand \relax
          }%
     \let \or = \@r
    }
\magsteps 63
\def \Fontname #1{\expandafter \strip@size \fontname #1 }
\def \strip@size #1 #2#{#1\void@@@}
\def \void@@@ #1{}
\gdef\n@d#1.#2:{#1}
\def \@scaletofit[#1]#2#3{%
     \def\Hb@x{h}\def\H@rV{#1}%
     \ifx\H@rV\Hb@x\def\C@mpare{\wd}\else\def\C@mpare{\ht}\fi
     \desired@size #2
     \def\curr@fontname{\Fontname \font {} }%
     \ifScalebyMagsteps
        \mags@f@r \z@
        \setbox 0 = \hbox{#3}%
        \def\@increment{1}%
\def\@test{<}%
        \ifdim \C@mpare 0 > \desired@size
           \message{When scaling by Magsteps, you cannot go downwards!}%
        \fi
        \loop
        \font \temp@font = \curr@fontname  scaled \magstep \mags@f@r
\setbox 0 = \hbox{{\temp@font #3}}%
        \ifNoisyFitting
          \message {Trying \noexpand \magstep \the \mags@f@r...}%
        \fi
        \ifdim \C@mpare 0 \@test \desired@size
           \advance \mags@f@r by \@increment
        \repeat
        \ifnum \mags@f@r=\z@
           \mags@f@r1
         \fi
         \advance \mags@f@r by -\@increment
     \else
        \font\temp@font=\curr@fontname at1pt
        \setbox 0 = \hbox{{\temp@font #3}}%
        \@tempdima\C@mpare0
        \multiply\@tempdima by 500 %\@m
        \def\foo@@{\expandafter\n@d\the\@tempdima:}%
        \@tempdimb\desired@size
        \divide\@tempdimb by \foo@@
        \multiply\@tempdimb by 500 %\@m
     \fi
     \ifScalebyMagsteps
        \ifNoisyFitting
  \message {The calculated font is \curr@fontname
           scaled \noexpand \magstep \the \mags@f@r}%
        \fi
        \font \temp@font = \curr@fontname scaled \magstep \mags@f@r
     \else
        \ifNoisyFitting
           \message {The calculated font is \curr@fontname ->\the\@tempdimb}%
        \fi
        \font\temp@font=\curr@fontname at \the\@tempdimb
     \fi
     \ifx\H@rV\Hb@x
        \hbox to \desired@size {\hss{\temp@font #3}\hss}%
     \else
        \hbox {{\temp@font #3}}%
     \fi
}
\def\scaletowidth{\@scaletofit[h]}
\def\scaletoheight{\@scaletofit[v]}
\endinput
%%
%% End of file `textfit.sty'.

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Code Editor : textfit.sty