%
% A tex file to help determine dims.
%

\font\musicfont=musix16
\font\slurfont=xslu16
\def\thefont{\musicfont}

\def\mb#1{{\thefont\char#1}}

\newdimen\wid
\newdimen\inc
\newdimen\here
\def\hruler#1{%
        \wid=#1pt
        \inc=\wid
        \divide\inc by #1
        \divide\wid by 2
        \here=-\wid
        \loop\ifdim\here<\wid\advance\here by\inc
                \hbox to0pt{\kern\here\vrule width0.05pt height 2pt\hss}%
        \repeat%
}

\def\vruler#1{%
        \wid=#1pt
        \inc=\wid
        \divide\inc by #1
        \divide\wid by 2
        \here=-\wid
        \loop\ifdim\here<\wid\advance\here by\inc
                \vbox to0pt{\vskip\here\vrule width2pt height 0.05pt\vss}%
        \repeat%
}
\def\twhrul{\hbox to 0pt{\hbox{\hruler{20}\vrule
        width0.1pt height 3ptdepth 1pt}}}
\def\twvrul{\hbox{\vbox to 20pt{\vruler{20}\vrule
        width3pt height 0.1pt}}}
 
\def\doitem#1{
        #1 %
         %\twvrul%doesn't work
        \hbox to 50pt{\qquad\twhrul\mb{#1}\hss}\setbox0=\hbox{\mb{#1}} width \the\wd0\ depth \the\dp0 \ height \the\ht0}

\newcount\n
\def\charn{\n=-1
        \loop\ifnum\n<255\advance\n by1
        \doitem{\number\n}\endgraf\repeat}


        \charn

\bye
