Re: Chord bass note font

[Klaus Blum]

Thomas Ibbotson wrote
> I see you're defining a new function "lower-extension", which looks like
> it
> modifies and passes through its arguments to another function
> "note-name->markup". Am I close?

Yes, that's it! 
By the way: I forgot to replace the name "lower-extension" by something that
suits the purpose... but that's only a matter of taste. :)


Thomas Ibbotson wrote
> how does it only affect the bass note argument?

Interesting question, I just had a look at 
http://www.lilypond.org/doc/v2.18/Documentation/internals-big-page.html

There are two different functions:

chordNoteNamer is "used for single pitches" (e.g. the bass note name)
whereas
chordRootNamer is "used for chords" and thus affects the chord's root. 
IIUC both of them simply call "note-name->markup". 
You can replace them by custom-made functions that do additional things like
formatting etc. 
Any markup command can be used. 

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\version "2.18.2"

#(define (customized-bass-name pitch chbass)
   "Return re-sized markup for pitch note name."
   #{
     \markup \fontsize #-2
     #(note-name->markup pitch chbass)
   #})

#(define (customized-root-name pitch chbass)
   "Do other strange stuff with the root name."
   #{
     \markup \with-color #red \italic
     #(note-name->markup pitch chbass)
   #})


\layout {
  \context {
    \ChordNames
    chordNoteNamer = #customized-bass-name
    chordRootNamer = #customized-root-name
    slashChordSeparator = \markup { \with-color #green "/" }
  }
}

\score {
  \new StaffGroup <<
    \chords {
      c1/e d:m/f
    }
    \new Staff { c''1 c''  }
  >>
  \layout { }
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%





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