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% Copyright (c) 1985, 1986 Daniel C. Brotsky. All rights reserved.
% Font macros for yTeX. See the file YTEX.MAC for details.
% CONTENTS
% ^L-page contents
% ----------------------------------------------------------------------
% 1 %% Font macros for YTEX
% 2 %% typesize
% 3 %% usersize
% 4 %% initialization
\message{typesize,}
\newif\ifmagscaling
\newif\ifexactsizes
\newdimen\typesiz@
\newtoks\baselinefactor
\def\typesize {\afterassignment\typ@size\dimen@}
\def\typ@siz@ {%
\let\typ@size=\siz@rr
\ymessage{{\string\typesize=\the\dimen@}}
\ifdim 10\p@=\dimen@ \tenp@int \csname usersizeten\endcsname
\else \ifdim 11\p@=\dimen@ \elevenp@int \csname usersizeeleven\endcsname
\else \ifdim 12\p@=\dimen@ \twelvep@int \csname usersizetwelve\endcsname
\else \let\typ@size=\typ@siz@
\errhelp={Insert `\string\typesize=<dimen>'
where <dimen> is 10pt, 11pt, or 12pt.}%
\errmessage{Unrecognized size (\the\dimen@) in \string\typesize.
Try again.}\fi\fi\fi}
\def\siz@rr {%
\errhelp={Just continue and I'll ignore the size switch.}%
\errmessage{You can't change sizes in the middle of a document.}%
\relax}
\def\fixsiz@ {%
\ifx\typ@size\siz@rr
\else \global\let\typ@size=\siz@rr \global\let\fixsiz@=\relax
\errhelp={Too late now. Just continue and I'll assume you want }%
\addtotoks\errhelp\expandafter{\the\typesiz@.}%
\errmessage{You never gave a \string\typesize\space command.}%
\fi}
\let\typ@size=\typ@siz@
\def\tenp@int {%
\typesiz@=10pt
\s@tten \mag=\magstep\z@}
\def\elevenp@int {%
\typesiz@=11pt
\ifmagscaling
\s@tten \ifexactsizes \mag=1100 \else \mag=\magstephalf \fi
\else
\s@televen \mag=\magstep\z@
\fi}
\def\twelvep@int {%
\typesiz@=12pt
\ifmagscaling
\s@tten \ifexactsizes \mag=1200 \else \mag=\magstep\@ne \fi
\else
\s@ttwelve \mag=\magstep\z@
\fi}
\def\s@tten {%
\let\regsize=\tenpoint
\let\smlsize=\ninepoint
\let\smllsize=\eightpoint
\let\smlllsize=\eightpoint
\let\bigsize=\twelvepoint
\let\biggsize=\fourteenpoint
\let\bigggsize=\eighteenpoint
\regsize}
\def\s@televen {%
\let\regsize=\elevenpoint
\let\smlsize=\tenpoint
\let\smllsize=\ninepoint
\let\smlllsize=\eightpoint
\let\bigsize=\twelvepoint
\let\biggsize=\fourteenpoint
\let\bigggsize=\eighteenpoint
\regsize}
\def\s@ttwelve {%
\let\regsize=\twelvepoint
\let\smlsize=\tenpoint
\let\smllsize=\ninepoint
\let\smlllsize=\eightpoint
\let\bigsize=\fourteenpoint
\let\biggsize=\eighteenpoint
\let\bigggsize=\eighteenpoint
\regsize}
\message{usersize,}
% new def of \setnormalspa@cing that leaves displayskips alone
\def\setnormalsp@cing{% SIDE EFFECT is to go into \rm
\rm % set the em properly
\normalbaselineskip=\the\baselinefactor em%
\normalbaselines}
% user hook to \setnormalsp@cing
\def\setnormalbaselines {\setnormalsp@cing}
\def\normalbaselines{%
\lineskip\normallineskip
\baselineskip\normalbaselineskip
\lineskiplimit\normallineskiplimit
\setbox\strutbox=\hbox{\vrule height .7\baselineskip
depth .3\baselineskip width\z@}}
\def\usereighteenpointmacro {%
\let\smllrm=\twelverm
\let\smlrm=\fourteenrm\let\smlit=\fourteenit
\let\smlbf=\fourteenbf\let\smltt=\fourteentt}
\def\userfourteenpointmacro {%
\let\smllrm=\tenrm
\let\smlrm=\twelverm\let\smlit=\twelveit
\let\smlbf=\twelvebf\let\smltt=\twelvett}
\def\usertwelvepointmacro {%
\let\smllrm=\ninerm
\let\smlrm=\tenrm\let\smlit=\tenit
\let\smlbf=\tenbf\let\smltt=\eleventt}
\def\userelevenpointmacro {%
\let\smllrm=\eightrm
\let\smlrm=\tenrm\let\smlit=\tenit
\let\smlbf=\tenbf\let\smltt=\tentt}
\def\usertenpointmacro {%
\let\smllrm=\eightrm
\let\smlrm=\ninerm\let\smlit=\nineit
\let\smlbf=\ninebf\let\smltt=\ninett}
\def\userninepointmacro {%
\let\smllrm=\sevenrm
\let\smlrm=\eightrm\let\smlit=\eightit
\let\smlbf=\eightbf\let\smltt=\eighttt}
\def\usereightpointmacro {%
\let\smllrm=\sevenrm
\let\smlrm=\eightrm\let\smlit=\eightit
\let\smlbf=\eightbf\let\smltt=\eighttt}
\message{initialization,}
% parameters
\magscalingtrue
\baselinefactor={1.3}
% default type size
\tenp@int
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