Utilisateur:Psychoslave/lilypond

• https://lilypond.org/doc/v2.23/Documentation/notation/note-heads
• https://duckduckgo.com/?t=ffab&q=anatomie+d%27une+note+de+solf%C3%A8ge+hampe&iax=images&ia=images&iai=https%3A%2F%2Fwww.apprendrelesolfege.com%2F_dl%2Fimages%2Fanatomie-note-de-musique.png
• https://lilypond.org/doc/v2.23/Documentation/learning-big-page.fr.html
• https://lilypond.org/doc/v2.23/Documentation/snippets/pitches
• https://stackoverflow.com/questions/46796783/custom-note-heads-in-lilypond
• https://musicnotation.org/wiki/software/lilypond/
  • https://musicnotation.org/wp-content/uploads/2013/03/Custom-notehead-styles-demo.pdf
  • https://musicnotation.org/wp-content/uploads/2013/03/Custom-notehead-styles-demo.ly
• https://lilypond.community/t/soucis-demail-sur-ce-forum/5777

\version "2.24.4"
%Association list of pitches to colors.
#(define color-mapping
   (list
    (cons (ly:make-pitch 0 0 NATURAL) (x11-color 'red))
    (cons (ly:make-pitch 0 0 SHARP) (x11-color 'green))
    (cons (ly:make-pitch 0 1 FLAT) (x11-color 'green))
    (cons (ly:make-pitch 0 2 NATURAL) (x11-color 'red))
    (cons (ly:make-pitch 0 2 SHARP) (x11-color 'green))
    (cons (ly:make-pitch 0 3 FLAT) (x11-color 'red))
    (cons (ly:make-pitch 0 3 NATURAL) (x11-color 'green))
    (cons (ly:make-pitch 0 4 SHARP) (x11-color 'red))
    (cons (ly:make-pitch 0 5 NATURAL) (x11-color 'green))
    (cons (ly:make-pitch 0 5 FLAT) (x11-color 'red))
    (cons (ly:make-pitch 0 6 SHARP) (x11-color 'red))
    (cons (ly:make-pitch 0 1 NATURAL) (x11-color 'blue))
    (cons (ly:make-pitch 0 3 SHARP) (x11-color 'blue))
    (cons (ly:make-pitch 0 4 FLAT) (x11-color 'blue))
    (cons (ly:make-pitch 0 5 SHARP) (x11-color 'blue))
    (cons (ly:make-pitch 0 6 FLAT) (x11-color 'blue))))

%Compare pitch and alteration (not octave).
#(define (pitch-equals? p1 p2)
   (and
    (= (ly:pitch-alteration p1) (ly:pitch-alteration p2))
    (= (ly:pitch-notename p1) (ly:pitch-notename p2))))

#(define (pitch-to-color pitch)
   (let ((color (assoc pitch color-mapping pitch-equals?)))
     (if color
         (cdr color))))

#(define (color-notehead grob)
   (pitch-to-color
    (ly:event-property (event-cause grob) 'pitch)))

\score {
  \new Staff \relative c' {
    \aikenHeads
    \override NoteHead.color = #color-notehead
    c8 b d dis ees f g aes
  }
}

\score {
  {
    \aikenHeads
    c''2 a' c' a

    % Switch to thin-variant noteheads
    \set shapeNoteStyles = ##(doThin reThin miThin
                              faThin sol laThin tiThin)
    c'' a' c' a
  }​

}