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\chapter{Font Selection and Text Placement}
\section{Predefined text fonts}
While any \TeX\ font can be used by \musixtex, there are certain styles and
sizes that can be selected using shortcut commands.
For ordinary text the shortcuts cover fonts of eight different
sizes and three styles. The sizes in points are $8$, $9$, $10$, $12$, $14$, $17$, $20$, and $25$;
the styles are from the standard Computer Modern family: Roman, bold and italic. The
four smallest sizes are each available in all three styles, while the larger
sizes, which are intended for titles, are available only in bold style.
The size selection macros from smallest to biggest are \keyindex{smalltype},
\keyindex{Smalltype},
\keyindex{normtype}, \keyindex{medtype}, \keyindex{bigtype},
\keyindex{Bigtype},
\keyindex{BIgtype} and \keyindex{BIGtype}. Following size selection, the
style may be selected or changed using \keyindex{rm} (Roman), \keyindex{bf}
(bold) or \keyindex{it} (italic). If no style is explicitly selected, Roman style
will be used for the sizes \verb|\medtype| or smaller. For the larger sizes,
only bold style is provided and no style selection is required. Thus, for example,
eight point italic is selected with \verb|\smalltype\it|, while
twelve point Roman is selected using \verb|\medtype\rm| or simply
\verb|\medtype|. To change between styles while maintaining the same size,
code \verb|\rm|, \verb|\it| or \verb|\bf| as in Plain \TeX.
When \musixtex\ is started, the default font for ordinary text is
ten point Roman, equivalent to \verb|\normtype\rm|.
Another group of fonts, in bold extended italic style, is predefined in point sizes
$8$, $10$, $12$, $14$, and $17$ for dynamic markings. The appropriate font for the current
staff size may be selected simply by using \keyindex{ppff} as a
font specification. Macros \keyindex{tinydyn}, \keyindex{smalldyn}, \keyindex{normdyn}, or \keyindex{meddyn} may be
used to redefine \verb|\ppff| to represent one of the smallest four.
All predefined fonts are summarized in Table~\ref{predefinedfonts}. The second column gives an
explicit control sequence that can alternatively be used locally as a font specification.
\font\csmalltype=cmr8
\font\csmalltypebf=cmbx8
\font\csmalltypeit=cmti8
\font\cSmalltype=cmr9
\font\cSmalltypebf=cmbx9
\font\cSmalltypeit=cmti9
\font\cnormtype=cmr10
\font\cnormtypebf=cmbx10
\font\cnormtypeit=cmti10
\font\cmedtype=cmr12
\font\cmedtypebf=cmbx12
\font\cmedtypeit=cmti12
\font\cbigtype=cmbx12 scaled \magstep1
\font\cBigtype=cmbx12 scaled \magstep2
\font\cBIgtype=cmbx12 scaled \magstep3
\font\cBIGtype=cmbx12 scaled \magstep4
\font\cppfftwelve=cmbxti10 at 8pt
\font\cppffsixteen=cmbxti10
\font\cppfftwenty=cmbxti10 scaled \magstep1
\font\cppfftwentyfour=cmbxti10 scaled \magstep2
\font\cppfftwentynine=cmbxti10 scaled \magstep3
\font\cbigtype=cmbx12 scaled \magstep1
\font\cBigtype=cmbx12 scaled \magstep2
\font\cBIgtype=cmbx12 scaled \magstep3
\font\cBIGfont=cmbx12 scaled \magstep4
\begin{table}
\begin{center}
\begin{tabular}{lll}
\hline
Size and style & Font specification & Example \\
\hline
\verb|\smalltype| & \verb|\eightrm| & {\csmalltype small Roman} \\
\verb|\smalltype\bf| & \verb|\eightbf| & {\csmalltypebf small bold} \\
\verb|\smalltype\it| & \verb|\eightit| & {\csmalltypeit small italic} \\
\verb|\Smalltype| & \verb|\ninerm| & {\cSmalltype Small Roman} \\
\verb|\Smalltype\bf| & \verb|\ninebf| & {\cSmalltypebf Small bold} \\
\verb|\Smalltype\it| & \verb|\nineit| & {\cSmalltypeit Small italic} \\
\verb|\normtype| & \verb|\tenrm| & {\cnormtype normal Roman} \\
\verb|\normtype\bf| & \verb|\tenbf| & {\cnormtypebf normal bold} \\
\verb|\normtype\it| & \verb|\tenit| & {\cnormtypeit normal italic}\\
\verb|\medtype| & \verb|\twelverm| & {\cmedtype medium Roman} \\
\verb|\medtype\bf| & \verb|\twelvebf| & {\cmedtypebf medium bold} \\
\verb|\medtype\it| & \verb|\twelveit| & {\cmedtypeit medium italic}\\
\verb|\bigtype| & \verb|\bigfont| & {\cbigtype big bold} \\
\verb|\Bigtype| & \verb|\Bigfont| & {\cBigtype Big bold} \\
\verb|\BIgtype| & \verb|\BIgfont| & {\cBIgtype BIg bold} \\
\verb|\BIGtype| & \verb|\BIGfont| & {\cBIGtype BIG bold} \\
\verb|\tinydyn| & \verb|\ppfftwelve| & {\cppfftwelve pp ff diminuendo}\\
\verb|\smalldyn| & \verb|\ppffsixteen| & {\cppffsixteen pp ff diminuendo}\\
\verb|\normdyn| & \verb|\ppfftwenty| & {\cppfftwenty pp ff crescendo}\\
\verb|\meddyn| & \verb|\ppfftwentyfour| & {\cppfftwentyfour pp ff crescendo}\\[.4ex]
~ & \verb|\ppfftwentynine| & {\cppfftwentynine pp ff diminuendo}\\[.4ex]
\hline
\end{tabular}
\end{center}
\caption{Predefined fonts}
\label{predefinedfonts}
\end{table}
\section{User-defined text fonts}
Since \musixtex\ is a superset of \TeX, you are free to use the standard \TeX\
machinery for defining and using any special font you desire. You must first
of course ensure that (a) all the necessary font files (e.g., \verb|bla10.tfm|,
\verb|bla10.pfb|, or equivalents) are installed in the right places in your system, (b) all
configuration files (e.g., \verb|config.ps| or equivalent) have been updated, and
(c) the \TeX\ system has been ``rehashed''. Then you can use the font just as
in any \TeX\ document, e.g., by coding \verb|\font blafont=bla10| and then
\verb|\zchar{10}{\blafont Text in user-defined font}|.
You might also wish to replace once and for all the typefaces invoked by the
commands described in the previous section. Again, before doing this, you must
follow steps (a-c) of the previous paragraph for all fonts in question.
\label{UserFonts}
You can use bitmapped fonts, which are converted to
Postscript by e.g.,~\verb|dvips|, but you also may replace them
by native Postscript fonts.
The extension library
\verb|musixtmr.tex|\footnote{by Hiroaki {\sc Morimoto}}
replaces the default Computer Modern text fonts by
the Times series of fonts; see Section~\ref{times}.
Other extension libraries, \verb|musixplt.tex| and \verb|musixhv.tex|, replace the default text fonts by
Palatino and Helvetica fonts, respectively; see Sections~\ref{palatino} and \ref{helvetica}.
\font\tnormtype=ptmr7t
\font\tnormtypebf=ptmb7t
\font\tnormtypeit=ptmri7t
\font\tbigtype=ptmr7t scaled \magstep2
\font\tBigtype=ptmr7t scaled \magstep3
\font\pnormtype=pplr8r
\font\pnormtypebf=pplb8r
\font\pnormtypeit=pplri8r
\font\pbigtype=pplrc8r at 14pt
\font\pBigtype=pplrc8r at 17pt
\font\hnormtype=phvr8r at 10pt
\font\hnormtypebf=phvb8r at 10pt
\font\hnormtypeit=phvro8r at 10pt
\font\hbigtype=phvr8r at 14pt
\font\hBigtype=phvr8r at 17pt
Here is a comparison of some Times,
Palatino and Helvetica fonts:
\begin{center}
\begin{tabular}{lll}
\hline
{\tnormtype normal Times Roman} & {\pnormtype normal Palatino Roman} &{\hnormtype normal Helvetica Roman} \\
{\tnormtypebf normal Times bold} & {\pnormtypebf normal Palatino bold}& {\hnormtypebf normal Helvetica bold} \\
{\tnormtypeit normal Times italic} & {\pnormtypeit normal Palatino italic } & {\hnormtypeit normal Helvetica italic }\\
{\tbigtype Times big} & {\pbigtype Palatino big } & {\hbigtype Helvetica big } \\
{\tBigtype Times Big } & {\pBigtype Palatino Big } & {\hBigtype Helvetica Big } \\
\hline
\end{tabular}
\end{center}
For users who prefer to stick with the default Computer Modern
family but want to use the EC variants, the extension library
\verb|musixec.tex| is available; see Section~\ref{ecfonts}.
\section{Text placement}\label{textplacement}
Special macros are provided to allow precise placement of any \TeX\ text, vertically
relative to the staff, and horizontally relative to any note in
the staff.
The macros in the first group will vertically position the text with the
baseline at any specified pitch or staff line. They must be used
inside \verb|\notes...\en|. They will not insert any additional
horizontal space. They have the forms
\keyindex{zcharnote}\pitchp\verb|{|\ital{text}\verb|}|, \keyindex{lcharnote}\pitchp\verb|{|\ital{text}\verb|}|,
and \keyindex{ccharnote}\pitchp\verb|{|\ital{text}\verb|}|,
where \ital{p} is the pitch. With the first one, text will spill to the right
from the current insertion point, with the second it will spill to the left, and with the
third it will be centered horizontally.
The following abbreviations are available:
\begin{quote}
\begin{tabular}{lcl}
\keyindex{zcn}& for&\verb|\zcharnote| \\
\keyindex{lcn}& for&\verb|\lcharnote| \\
\keyindex{ccn}& for&\verb|\ccharnote| \\
\end{tabular}
\end{quote}
There are similar macros \keyindex{zchar}\pitchp\verb|{|\ital{text}\verb|}|,
\keyindex{lchar}\pitchp\verb|{|\ital{text}\verb|}|, and \keyindex{cchar}\pitchp\verb|{|\ital{text}\verb|}|,
which differ from the previous three in that the pitch \ital{must} be given with
a number (representing the number of staff positions up from the lowest line),
and that the number need not be an integer.
To vertically position any text midway between two consecutive staves, use
\keyindex{zmidstaff}\verb|{|{\it text}\verb|}|, \keyindex{lmidstaff}\verb|{|{\it text}\verb|}|,
or \keyindex{cmidstaff}\verb|{|{\it text}\verb|}| at the appropriate point in the lower staff.
The macros \keyindex{uptext}\verb|{|\ital{text}\verb|}| and
\keyindex{Uptext}\verb|{|\ital{text}\verb|}|
are simply shorthands for
\verb|\zchar{10}{|\ital{text}\verb|}| and
\verb|\zchar{14}{|\ital{text}\verb|}|,
respectively.
The text items handled by all of the above macros can include any appropriate
string of \TeX\
control sequences, including font definitions, \verb|\hbox|'es, etc.
Material posted with any of the macros described in this section will not
create any additional horizontal or vertical space within the current system,
and will overwrite anything in the current system that gets in the way. It is
the typesetter's responsibility to ensure there is adequate white space
within the current system to accommodate any text placed with
these macros. On the other hand, if text is placed far above or below a
system, \musixtex\ will usually insert additional vertical space if needed.
\section{Rehearsal marks}
Rehearsal marks are usually
boxed or circled uppercase letters or digits. They can be defined using the macros
\keyindex{boxit}\verb|{|\ital{text}\verb|}| or
\keyindex{circleit}\verb|{|\ital{text}\verb|}|. For boxed text,
the margin between the text and box is controlled by the dimension
register \keyindex{boxitsep}, which can be reset to any \TeX\ dimension if the
default value of \verb|3pt| is unsatisfactory. To place the mark, use \verb|\Uptext| or
any of the other macros defined in the previous section.
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