+%%% lilyponddefs.tex -- TeX macros for LilyPond output.
+%%%
+%%% source file of the GNU LilyPond music typesetter
+%%%
+%%% (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+%%% Han-Wen Nienhuys <hanwen@cs.uu.nl>
+%%% Mats Bengtsson <mats.bengtsson@s3.kth.se>
+%%%
+%% Avoid \par while reading this file.
+\edef\lilyponddefsELC{\the\endlinechar}%
+\endlinechar -1\relax
+
+%% This runs with plain TeX, LaTeX, pdftex, and texinfo.
%%
-%% include file for LilyPond
+%% To avoid interferences, lilyponddefs.tex must be loaded within a group.
+%% It is loaded only once, so the definitions must be global.
%%
-%% this file defines various macros to accomodate lilypond output
+%% The overall structure of a file created by LilyPond is as follows:
%%
-%% let's not make par before endinput
-
-% TeXbook ex 7.7
-\def\ifundefined#1{\expandafter\ifx\csname#1\endcsname\relax}
-
-
-% If we must make titles, do so, before we're Skipped.
-\ifx\mustmakelilypondtitle\undefined\else\makelilypondtitle\fi
-\ifx\mustmakelilypondpiecetitle\undefined\else\makelilypondpiecetitle\fi
-%
-% skip if included already
-\def\SkipLilydefs{\endinput}
-\ifundefined{EndLilyPondOutput}
- \def\EndLilyPondOutput{\csname bye\endcsname}
- \def\SkipLilydefs{}
-\fi
-\SkipLilydefs
-
-% need to do some stuff to turn pagenumbering off
-\ifundefined{documentclass}
- \input lilypond-plaintex
-\else
- \input lilypond-latex
-\fi
-
-% The feta characters
-\input feta20.tex
-
-\font\fetasixteen=feta16
-\def\fetafont{\fetasixteen}
-\def\fetachar#1{\hbox{\fetasixteen#1}}
-
-
-\def\botalign#1{\vbox to 0pt{\vss #1}}
-\def\leftalign#1{\hbox to 0pt{#1\hss}}
-
-% Attempt to keep lilypiecetitle together with the piece:
-
-%
-% TODO: figure this out.
-%
-
-\def\myfilbreak{} %\par\vfil\penalty200\vfilneg}
-
-
-\ifundefined{lilypondpaperinterscorelinefill}
- \def\lilypondpaperinterscorelinefill{0}
-\else
- \def\lilypondpaperinterscorelinefill{1}
-\fi
-
-\def\interscoreline{\vskip \lilypondpaperinterscoreline \lilypondpaperunit plus \lilypondpaperinterscorelinefill fill}
-
-\def\placebox#1#2#3{%
- \botalign{\hbox{\raise #1\leftalign{\kern #2{}#3}}}}%
-
-% Are we using PDFTeX? If so, use pdf definitions.
-% MiKTeX checks \pdfoutput the wrong way, makes our
-% check more complicated.
-\ifx\pdfoutput\undefined
- \input lily-ps-defs
-\else
- \ifx\pdfoutput\relax
- \input lily-ps-defs
+%% <lilypond parameter definitions>
+%% \ifx\lilypondstart \undefined
+%% \input lilyponddefs
+%% \fi
+%% \lilypondstart
+%% <font setup and note output>
+%% \lilypondend
+
+\newdimen\lytempdim
+\newdimen\outputscale
+
+%% Handy macros from the LaTeX manual.
+\long\gdef\lilypondfirst#1#2{#1}
+\long\gdef\lilypondsecond#1#2{#2}
+\gdef\lilypondifundefined#1{
+ \expandafter\ifx\csname#1\endcsname\relax
+ \expandafter\lilypondfirst
+ \else
+ \expandafter\lilypondsecond
+ \fi
+}
+
+\gdef\lilypondstart{
+ \begingroup
+ \catcode `\@=11\relax
+ %% \@nodocument is defined as \relax after `\begin{document}'
+ \lilypondifundefined{@nodocument}
+ {
+ %% either plain TeX or texinfo or not at the beginning of LaTeX input
+ \def\x{\endgroup}}
+ {
+ %% FIXME: a4
+ %% provide a proper LaTeX preamble (for A4 paper format)
+ \def\x{
+ \endgroup
+ \def\lilyponddocument{}
+ \documentclass[a4paper]{article}
+ %% safe-mode
+ \nofiles
+ \usepackage{inputenc}
+ \pagestyle{empty}
+ \lilypondifundefined{lilypondclassic}
+ {
+ %% Nullify [La]TeX page layout settings, page layout by LilyPond.
+ \topmargin-1in
+ \headheight0pt\headsep0pt
+ \oddsidemargin-1in
+ \evensidemargin\oddsidemargin
+ }
+ {
+ %% Center staves horizontally on page
+ \ifdim\lilypondpaperlinewidth\lilypondpaperunit > 0pt
+ \hsize\lilypondpaperlinewidth\lilypondpaperunit
+ \lytempdim \paperwidth
+ \advance\lytempdim -\the\hsize
+ \lytempdim 0.5\lytempdim
+ \advance\lytempdim -1in
+ \oddsidemargin \lytempdim
+ \evensidemargin \lytempdim
+ \fi
+ }
+ \parindent 0pt
+ %% TEXINFO workaround: \begin is defined as \outer, use \csname.
+ \csname begin\endcsname{document}}}
+ \x}
+
+\gdef\lilypondend{
+ \lilypondifundefined{lilypondbook}
+ {\lilypondifundefined{lilypondpaperlastpagefill}
+ {\vskip 0pt plus\lilypondpaperinterscorelinefill00 fill}
+ {}}
+ {}
+ \begingroup
+ \lilypondifundefined{lilyponddocument}
+ {\def\x{\endgroup}}
+ {\def\x{\endgroup\csname end\endcsname{document}}}
+ \x}
+
+%% Inversed \loop ... \repeat macro
+\def\lilypondloop#1\lilypondrepeat{
+ \def\lilypondbody{#1}
+ \lilyponditerate
+}
+
+\def\lilyponditerate{
+ % \if ...
+ \lilypondbody
+ \let\lilypondnext \relax
\else
- \pdfoutput=1
- \input lily-pdf-defs
+ \let\lilypondnext \lilyponditerate
\fi
-\fi
-
-\def\EndLilyPondOutput{%
-\ifundefined{lilypondpaperlastpagefill}%
- \vskip 0pt plus \lilypondpaperinterscorelinefill00 fill
-\fi
-\csname bye\endcsname}
-
-% need to do some stuff to turn pagenumbering off
-% they seriously mess up your fragments.
-
-\ifx\csname nolilyfooter\endcsname\relax
- \message{[footer defined]}%
- \csname lilyfooter\texsuffix\endcsname%
-\else
- \message{[footer empty]}
- \csname%
- nolilyfooter\texsuffix\endcsname
-\fi
-
-\ifx\outputscale\undefined
- \csname global\endcsname\csname newdimen\endcsname\outputscale
-\fi
+ \lilypondnext
+}
+
+%% Allow overriding of pagebreak
+\lilypondifundefined{lilypondpagebreak}
+{
+ \lilypondifundefined{@nodocument}
+ {\gdef\lilypondpagebreak{\eject}}
+ {\gdef\lilypondpagebreak{\newpage}}
+ }
+ {}
+
+%% Include \special only once.
+\gdef\lilypondspecial{
+ \special{header=music-drawing-routines.ps}
+ \gdef\lilypondspecial{}
+}
+
+%% The feta characters.
+\input feta20
+
+\global\font\fetasixteen = feta16
+\gdef\fetafont{\fetasixteen}
+\gdef\fetachar#1{\hbox{\fetasixteen#1}}
+
+\gdef\topalign#1{\vbox to 0pt{\hbox{#1}\vss}}
+\gdef\leftalign#1{\hbox to 0pt{#1\hss}}
+
+\gdef\lyitem#1#2#3{
+ \topalign{\raise#2\outputscale\leftalign{\kern#1\outputscale#3}}}
+
+\gdef\lybox#1#2#3#4#5{
+ \lytempdim\baselineskip
+ \advance\lytempdim-#4\outputscale
+ \raise\lytempdim
+ \vbox to#4\outputscale{
+ \leftalign{\kern#1\outputscale\lower#2\outputscale\topalign{#5}}
+ \vss}}
+
+\gdef\lyvrule#1#2#3#4{
+ \kern#1\outputscale
+ \vrule width #2\outputscale depth #3\outputscale height #4\outputscale}
+
+%% FIXME: 'interscoreline' and 'lilypondPAPERinterscoreline
+\lilypondifundefined{lilypondpaperinterscorelinefill}
+ {\gdef\lilypondpaperinterscorelinefill{0}}
+ {\gdef\lilypondpaperinterscorelinefill{1}}
+
+%% Allow overriding of interscoreline, e.g. for lilypond.py's --preview
+\lilypondifundefined{interscoreline}
+{
+ \lilypondifundefined{lilypondclassic}
+ {\gdef\interscoreline{}}
+ {\gdef\interscoreline{
+ \vskip\lilypondpaperinterscoreline\lilypondpaperunit
+ plus \lilypondpaperinterscorelinefill fill}}
+}
+{}
+
+%% Include postscript definitions unless using PDFTeX,
+%% in that case use pdf definitions.
+%% MiKTeX workaround: use \csname.
+\lilypondifundefined{lilypondpostscript}
+{\lilypondifundefined{pdfoutput}
+ {\input lily-ps-defs }
+ {\pdfoutput = 1
+ \input lily-pdf-defs }}
+{}
+
+%% Restore newline functionality (disabled to avoid \par).
+\endlinechar \lilyponddefsELC
\endinput
+
+%% end lilyponddefs.tex
projects / lilypond.git / blobdiff