+%%% lilyponddefs.tex -- TeX macros for LilyPond output.
+%%%
+%%% source file of the GNU LilyPond music typesetter
+%%%
+%%% (c) 1998--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+%%% Han-Wen Nienhuys <hanwen@cs.uu.nl>
+%%% Mats Bengtsson <mats.bengtsson@s3.kth.se>
+%%%
%%
-%% include file for LilyPond
+%% Avoid \par while reading this file.
%%
-%% this file defines various macros to accomodate lilypond output
+\edef\lilyponddefsELC{\the\endlinechar}%
+\endlinechar -1\relax
+
+%% This runs with plain TeX, LaTeX, pdftex, and texinfo.
%%
-%% let's not make par before endinput
-%
-% TeXbook ex 7.7
-\def\ifundefined#1{\expandafter\ifx\csname#1\endcsname\relax}
-%
-% 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
+%% To avoid interferences, lilyponddefs.tex must be loaded within a group.
+%% It is loaded only once, so the definitions must be global.
+%%
+%% The overall structure of a file created by LilyPond is as follows:
+%%
+%% <lilypond parameter definitions>
+%% <font setup>
+%% \ifx\lilypondstart \undefined
+%% \input lilyponddefs
+%% \fi
+%% \lilypondstart
+%% <note output>
+%% \lilypondend
+%% A temporary variable.
+%%
+\newdimen\lytempdim
-%
-\def\botalign#1{\vbox to 0pt{\vss #1}}
-\def\leftalign#1{\hbox to 0pt{#1\hss}}
-
-\input feta20.tex
-
-% Attempt to keep lilypiecetitle together with the piece:
-\def\myfilbreak{\par\vfil\penalty200\vfilneg}
-
-% stacked horizontal lines
-\ifundefined{mudelapaperinterscoreline}
- \def\interscoreline{\vskip 16pt\myfilbreak}
-\else
- \def\interscoreline{\vskip\mudelapaperinterscoreline pt\myfilbreak}
-\fi
-\def\placebox#1#2#3{%
- \botalign{\hbox{\raise #1\leftalign{\kern #2{}#3}}}}%
-
-% Are we using PDFTeX? If so, use pdf definitions to translate
-% \embeddedps commands to embedded PDF.
-\ifx\pdfoutput\undefined
- \input lily-ps-defs
-\else
- \pdfoutput=1
- \input lily-pdf-defs
-\fi
-
-\def\EndLilyPondOutput{%
- \csname bye\endcsname
+%% The scaling factor for all dimensions.
+%%
+\newdimen\outputscale
+
+\long\gdef\lilypondfirst#1#2{#1}
+\long\gdef\lilypondsecond#1#2{#2}
+
+%% \lilypondundefined{xxx}{foo}{bar}
+%%
+%% If `xxx' (without the leading backslash) is an undefined macro,
+%% execute block `foo'. Otherwise, execute block `bar'. Based on
+%% a similar macro from the LaTeX kernel.
+%%
+\gdef\lilypondifundefined#1{
+ \expandafter\ifx\csname#1\endcsname\relax
+ \expandafter\lilypondfirst
+ \else
+ \expandafter\lilypondsecond
+ \fi
}
-\def\postheader{}
-% need to do some stuff to turn pagenumbering off
-% they seriously mess up your fragments.
+%% Urgh. LilyPond uses EC fonts, but texinfo is based on CM. We thus
+%% have to handle T1 font encoding by ourselves; all manipulations are
+%% collected in the macro \lilypondECencoding. Note that the following
+%% code only provides the texinfo interface, not complete access to all
+%% EC glyphs.
+%%
+%% All definitions are taken from texinfo or LaTeX (with modifications
+%% if necessary).
+%%
+\begingroup
+\catcode `\@=11\relax
+\gdef\lilypondECencoding{
+ \def\"##1{
+ {\accent4 ##1}}
+ \def\'##1{
+ {\accent1 ##1}}
+ \def\,##1{
+ {\leavevmode
+ \setbox\z@\hbox{##1}
+ \ifdim\ht\z@=1ex
+ \accent11 ##1
+ \else
+ {\ooalign{
+ \unhbox\z@
+ \crcr
+ \hidewidth
+ \char11
+ \hidewidth}}
+ \fi}}
+ \def\=##1{
+ {\accent9 ##1}}
+ \def\^##1{
+ {\accent2 ##1}}
+ \def\`##1{
+ {\accent0 ##1}}
+ \def\~##1{
+ {\accent3 ##1}}
+ \def\dotaccent##1{
+ {\accent10 ##1}}
+ \def\H##1{
+ {\accent5 ##1}}
+ \def\ringaccent##1{
+ {\accent6 ##1}}
+% \def\tieaccent##1{} % unsupported: this is TS1
+ \def\u##1{
+ {\accent8 ##1}}
+ \def\ubaraccent##1{
+ {\o@lign{
+ \relax
+ ##1
+ \crcr
+ \hidewidth
+ \sh@ft{29}\vbox to.2ex{
+ \hbox{\char9}
+ \vss}
+ \hidewidth}}}
+ \def\udotaccent##1{
+ {\o@lign{
+ \relax
+ ##1
+ \crcr
+ \hidewidth
+ \sh@ft{10}.
+ \hidewidth}}}
+ \def\v##1{
+ {\accent7 ##1}}
+
+ \chardef\exclamdown=189
+ \chardef\questiondown=190
+
+ \def\aa{
+ \ringaccent{a}}
+ \def\AA{
+ \ringaccent{A}}
+ \chardef\AE=198
+ \chardef\ae=230
+ \chardef\ptexi=25
+ \chardef\j=26
+ \chardef\L=138
+ \chardef\l=170
+ \chardef\O=216
+ \chardef\o=248
+ \chardef\OE=215
+ \chardef\oe=247
+ \chardef\ss=255
+}
+\endgroup
+
+%% This macro provides the necessary setup to make the lilypond data
+%% work with plain TeX, LaTeX, and texinfo.
+%%
+%% The reason of using \begingroup and \endgroup is to make the macro \x
+%% immediately disappear after it has been executed. Since we have \def
+%% within \def within \gdef, four hash signs (`#') are needed for
+%% parameters.
+%%
+%% \lilypondfontencoding is emitted by LilyPond to set the encoding of
+%% text strings.
+%%
+\gdef\lilypondstart{
+ \frenchspacing
+ \outputscale \lilypondpaperoutputscale\lilypondpaperunit
+
+ \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
+
+ \def\lilypondfontencoding####1{
+ \lilypondECencoding}
+ \def\lilypondpagebreak{
+ \eject}
+ \def\lilypondnopagebreak{
+ \ifvmode
+ \penalty 10000\relax
+ \fi}}}
+
+ {%% LaTeX mode: Provide a complete preamble.
+ \def\x{
+ \endgroup
+
+ %% Indicate that we shall emit `\end{document}' while executing
+ %% \lilypondend.
+ \def\lilyponddocument{}
+
+ \def\lilypondfontencoding####1{
+ \fontencoding{####1}
+ \selectfont}
+ \def\lilypondpagebreak{
+ \newpage}
+ \def\lilypondnopagebreak{
+ \nopagebreak}
+
+ \documentclass[\lilyponddocumentclassoptions]{article}
+
+ %% As a safety guard, don't produce auxiliary files.
+ \nofiles
+
+ %% FIXME: workaround non-existent TeX.def.
+ \def\TeXdef{TeX}\ifx\TeXdef\lilypondpaperinputencoding
+ \usepackage[latin1]{inputenc}
+ \else
+ \usepackage[\lilypondpaperinputencoding]{inputenc}
+ \fi
+ \pagestyle{empty}
+
+ \usepackage{color}
-\ifx\csname nolilyfooter\endcsname\relax
- \message{[footer defined]}%
- \csname lilyfooter\texsuffix\endcsname%
-\else
- \message{[footer empty]}
- \csname%
- nolilyfooter\texsuffix\endcsname
-\fi
+ \lilypondifundefined{lilypondclassic}
+ {%% If not in `classic' mode, undo LaTeX's page layout settings
+ %% since LilyPond does the layout by itself.
+ \topmargin-1in
+ \headheight0pt\headsep0pt
+ \oddsidemargin-1in
+ \evensidemargin\oddsidemargin}
-% fix chord.cc::banter_str before removing these
-\input fetdefs
+ {%% Otherwise center output horizontally, without changing the
+ %% vertical positioning.
+ \hsize\lilypondpaperlinewidth\lilypondpaperunit
+ \lytempdim \paperwidth
+ \advance\lytempdim -\the\hsize
+ \lytempdim 0.5\lytempdim
+ \advance\lytempdim -1in
+ \oddsidemargin \lytempdim
+ \evensidemargin \lytempdim}
+ \parindent 0pt
+
+ %% We can't directly say `\begin{document}' in this macro since
+ %% older versions of texinfo.tex define \begin as \outer; this
+ %% means that it causes an error if \begin is found within another
+ %% macro (even if the corresponding code will never be executed).
+ %% As a workaround we use \csname to call \begin.
+ \csname begin\endcsname{document}}}
+ \x}
+
+%% The opposite of \lilypondstart.
+%%
+\gdef\lilypondend{
+ %% Handle the `lastpagefill' parameter from the \layout block.
+ %% Ignore it if \lilypondbook is defined.
+ \lilypondifundefined{lilypondbook}
+ {\lilypondifundefined{lilypondpaperlastpagefill}
+ {\vskip 0pt plus\lilypondpaperinterscorelinefill00 fill}
+ {}}
+ {}
+
+ \begingroup
+ \lilypondifundefined{lilyponddocument}
+ {\def\x{
+ \endgroup}}
+ {\def\x{
+ \endgroup
+ \csname end\endcsname{document}}}
+ \x}
+
+%% Load the PostScript drawing routines. This is done using \special.
+%% To avoid multiple inclusions, redefine \lilypondspecial to a no-op
+%% afterwards.
+%%
+\gdef\lilypondspecial{
+ \special{header=music-drawing-routines.ps}
+ \gdef\lilypondspecial{}}
+
+%% The most used macro in LilyPond output. Put #3 into a zero-width box
+%% which is moved to the right by #1 (scaled by \outputscale) and moved
+%% up by #2 (also scaled by \outputscale).
+%%
+\gdef\lyitem#1#2#3{
+ \raise #2\outputscale \hbox to 0pt {
+ \kern #1\outputscale
+ #3
+ \hss}}
+
+%% All LilyPond music data is enclosed in this macro (as third argument).
+%% The data (which consists of boxes with zero width) gets an artificial
+%% width of #1 and a height of #2. The resulting box is then centered
+%% vertically along the x-height of the current font.
+%%
+%% Parameters #1 and #2 are scaled by \outputscale.
+%%
+\gdef\lybox#1#2#3{
+ \lytempdim #2\outputscale
+ \lytempdim -0.5\lytempdim
+ \advance\lytempdim 1ex
+ \leavevmode
+ \raise \lytempdim \hbox to #1\outputscale {
+ %% Convert depth of #3 into height only.
+ \vbox to #2\outputscale {\hbox{#3}\vss}
+ \hss}}
+
+%% Produce a black bar (width #2, depth #3, height #4) with a vertical
+%% offset #1. Everything is scaled by \outputscale.
+%%
+\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's --preview
+%%
+\lilypondifundefined{interscoreline}
+ {\lilypondifundefined{lilypondclassic}
+ {\gdef\interscoreline{}}
+ {\gdef\interscoreline{
+ \vskip\lilypondpaperinterscoreline\lilypondpaperunit
+ plus \lilypondpaperinterscorelinefill fill}}}
+ {}
+
+%% Include PostScript definitions (which are differently defined for
+%% TeX and pdfTeX). This is loaded once only because the inputted files
+%% define \lilypondpostscript.
+%%
+%% (Don't remove the spaces after the arguments to \input!)
+%%
+%
+%% In teTeX-3.0, latex is actually pdfetex, and we need
+%% ifpdf.sty to determinine if we are really *tex or pdf*tex.
+%
+%% \input ifpdf.sty
+%
+%% However, ifpfd.sty is too smart for LilyPond, so we copy the
+%% logic here. Using \input ifpdf.sty is a no-op when using latex,
+%% and the \ifpdf switch is needed before \documentclass, using
+%% \usepackage{ifpdf} is not an option.
+%
+\input lily-ps-defs
+
+% barfs with texi
+% Runaway argument?
+%{
+%! Forbidden control sequence found while scanning use of \lilypondfirst.
+%<inserted text>
+% \par
+%<to be read again>
+% \newif
+%l.330 {\newif
+% \ifpdf
+%?
+%
+%%
+%\lilypondifundefined{lilypondpostscript}
+% {\newif\ifpdf
+% \ifx\pdfoutput\undefined
+% \else
+% \ifx\pdfoutput\relax
+% \else
+% \ifcase\pdfoutput
+% \else
+% \pdftrue
+% \fi
+% \fi
+% \fi
+% \ifpdf
+% {\input lily-pdf-defs }
+% \else
+% {\input lily-ps-defs }
+% \fi}
+% {}
+%
+%% Restore newline functionality (disabled to avoid \par).
+%%
+\endlinechar \lilyponddefsELC
\endinput
+
+%% end lilyponddefs.tex
projects / lilypond.git / blobdiff