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\ifx\indivbarrules\undefined\else\endinput\fi
\immediate\write10{MusiXDashed and Dotted BaRlines 1.0\space<23 February 2002>}%
% by Rainer Dunker
% Ideas and code based on musixbar.tex
% by Mthimkhulu Molekwa <MMolekwa@rrs.co.za>
\makeatletter
\newdimen\barline@depth
\def\barlinedash#1{\vskip.5\Internote
\hrule\@width#1\@height\Internote
\vskip.5\Internote}
\def\barlinedots#1{\vskip.5\Internote
\hbox to #1{\hss\tenrm.\hss}
\vskip.5\Internote}
\def\rul@indiv#1{%
\n@loop
\Comp@High
\multiply\barline@depth -1\relax
\advance\barline@depth\altitude
\expandafter\ifx\csname s@b\romannumeral\noinstrum@nt\endcsname\relax
% normal barline below instrument
\raise\altitude\rlap{\vrule\@depth\barline@depth\@width#1\@height0pt }%
\else
\expandafter\ifx\csname s@b\romannumeral\noinstrum@nt\endcsname 2%
% dashed barline below instrument
\raise\altitude\hbox{%
\lower\barline@depth\rlap{%
\vbox to \barline@depth{%
\xleaders\vbox{\barlinedash{#1}}\vfill}}}%
\else
\expandafter\ifx\csname s@b\romannumeral\noinstrum@nt\endcsname 3%
% dotted barline below instrument
\raise\altitude\hbox{%
\lower\barline@depth\rlap{%
\vbox to \barline@depth{%
\xleaders\vbox{\barlinedots{#1}}\vfill}}}%
\fi
\fi
\fi
\ifnum\st@ffs>1 % multi-staff instrument
\multi@instrum@bars{#1}%
\else % single-staff instrument
\expandafter\ifx\csname h@bl\romannumeral\noinstrum@nt\endcsname\relax
% normal barline through instrument
\raise\altitude\rlap{\vrule\@depth0pt \@width#1\@height\y@v}%
\else
\expandafter\ifx\csname h@bl\romannumeral\noinstrum@nt\endcsname 2%
% dashed barline through instrument
\raise\altitude\rlap{%
\vbox to \y@v{%
\cleaders\vbox to 2\internote{\vss
\hrule\@width#1\@height\internote
\vss}%
\vfill}}%
\else
\expandafter\ifx\csname h@bl\romannumeral\noinstrum@nt\endcsname 3%
% dotted barline through instrument
\raise\altitude\rlap{%
\vbox to \y@v{%
\cleaders\vbox to 2\internote{\vss
\hbox to #1{\hss\tenrm.\hss}%
\vss}%
\vfill}}%
\fi
\fi
\fi
\fi
\barline@depth\altitude
\advance\barline@depth\y@v
\repeat
\addspace#1}
\def\multi@instrum@bars#1{%
\begingroup
% retrieve staff height
\count@=\nblines \advance\count@ -1 \multiply\count@ 2
\dimen@=\count@\internote
\p@loop
% barline within staff
\expandafter\ifx\csname h@bl\romannumeral\noinstrum@nt\endcsname\relax
% normal barline through staff
\raise\altportee\rlap{\vrule\@depth0pt \@width#1\@height\dimen@}%
\else
\expandafter\ifx\csname h@bl\romannumeral\noinstrum@nt\endcsname 2%
% dashed barline through staff
\raise\altportee\rlap{%
\vbox to \dimen@{%
\cleaders\vbox to 2\internote{\vss
\hrule\@width#1\@height\internote
\vss}%
\vfill}}%
\else
\expandafter\ifx\csname h@bl\romannumeral\noinstrum@nt\endcsname 3%
% dotted barline through staff
\raise\altportee\rlap{%
\vbox to \dimen@{%
\cleaders\vbox to 2\internote{\vss
\hbox to #1{\hss\tenrm.\hss}%
\vss}%
\vfill}}%
\fi
\fi
\fi
\count@portee
% barline above staff
\ifnum\noport@@<\st@ffs % not for topmost staff
\barline@depth\interportee
\advance\barline@depth -\dimen@
\raise\altportee\hbox{\raise\dimen@\rlap{%
\expandafter\ifx\csname s@mb\romannumeral\noinstrum@nt\endcsname
\relax
% normal barline
\vrule\@height\barline@depth\@width#1\relax
\else
\expandafter\ifx\csname s@mb\romannumeral\noinstrum@nt\endcsname 2%
% dashed barline
\vbox to \barline@depth{%
\xleaders\vbox{\barlinedash{#1}}\vfill}%
\else
\expandafter\ifx\csname s@mb\romannumeral\noinstrum@nt\endcsname
3% dotted barline
\vbox to \barline@depth{%
\xleaders\vbox{\barlinedots{#1}}\vfill}%
\fi
\fi
\fi}}%
\fi
\repeat
\endgroup}
% Activate individual barline processing
\def\indivbarrules{%
\let\writ@rule\rul@indiv
\sepbarrule 1}
%== separates bar line of specified instrument from one of previous instrument
\def\sepbarrule#1{\expandafter\let\csname s@b\romannumeral#1\endcsname 1}
%== connects bar line of specified instrument to one of previous instrument
% with dashed line
\def\condashbarrule#1{%
\ifnum#1>1 \expandafter\let\csname s@b\romannumeral#1\endcsname 2\fi}
%== connects bar line of specified instrument to one of previous instrument
% with dotted line
\def\condotbarrule#1{%
\ifnum#1>1 \expandafter\let\csname s@b\romannumeral#1\endcsname 3\fi}
%== connects bar line of specified instrument to one of previous instrument
\def\conbarrule#1{%
\ifnum#1>1 \expandafter\let\csname s@b\romannumeral#1\endcsname\relax\fi}
%== hides bar line for specified instrument
\def\hidebarrule#1{\expandafter\let\csname h@bl\romannumeral#1\endcsname 1}
%== dashes bar line for specified instrument
\def\showdashbarrule#1{\expandafter\let\csname h@bl\romannumeral#1\endcsname 2}
%== dots bar line for specified instrument
\def\showdotbarrule#1{\expandafter\let\csname h@bl\romannumeral#1\endcsname 3}
%== shows bar line for specified instrument
\def\showbarrule#1{\expandafter\let\csname h@bl\romannumeral#1\endcsname\relax}
%== separates bar line within multistaff instrument
\def\sepmultibarrule#1{\expandafter\let\csname s@mb\romannumeral#1\endcsname 1}
%== dashes bar line between staves of multistaff instrument
\def\condashmultibarrule#1{%
\expandafter\let\csname s@mb\romannumeral#1\endcsname 2}
%== dots bar line between staves of multistaff instrument
\def\condotmultibarrule#1{%
\expandafter\let\csname s@mb\romannumeral#1\endcsname 3}
%== shows bar line between staves of multistaff instrument
\def\conmultibarrule#1{%
\expandafter\let\csname s@mb\romannumeral#1\endcsname\relax}
% set barlines for all instruments together
\def\allbarrules#1{\n@loop#1\noinstrum@nt\repeat}
\makeatother
\endinput
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Here comes an example of how to use these macros
\input musixtex
\input musixdbr
\instrumentnumber4
\setstaffs23
\setstaffs32
\setlines14
\setsize2\tinyvalue
\indivbarrules
\startpiece
% normal barlines
\bar
% barlines on staves
\allbarrules\sepbarrule
\allbarrules\sepmultibarrule
\allbarrules\showbarrule
\bar
% barlines between staves
\allbarrules\conbarrule
\allbarrules\conmultibarrule
\allbarrules\hidebarrule
\bar
% dashed barlines on staves
\allbarrules\sepbarrule
\allbarrules\sepmultibarrule
\allbarrules\showdashbarrule
\bar
% dashed barlines between staves
\allbarrules\condashbarrule
\allbarrules\condashmultibarrule
\allbarrules\hidebarrule
\bar
% dotted barlines on staves
\allbarrules\sepbarrule
\allbarrules\sepmultibarrule
\allbarrules\showdotbarrule
\bar
% dotted barlines between staves
\allbarrules\condotbarrule
\allbarrules\condotmultibarrule
\allbarrules\hidebarrule
\bar
% a wild mixture of all
\showdotbarrule1\hidebarrule2\showdashbarrule3\showbarrule4%
\condashbarrule2\conbarrule3\condotbarrule4%
\condashmultibarrule2\sepmultibarrule3%
\bar
% conventional ending
\allbarrules\showbarrule
\allbarrules\conbarrule
\allbarrules\conmultibarrule
\Endpiece
\bye
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