Documentation/snippets/flute-slap-notation.ly


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%% DO NOT EDIT this file manually; it is automatically
%% generated from LSR http://lsr.di.unimi.it
%% Make any changes in LSR itself, or in Documentation/snippets/new/ ,
%% and then run scripts/auxiliar/makelsr.py
%%
%% This file is in the public domain.
\version "2.18.0"

\header {
  lsrtags = "contemporary-notation, winds"

  texidoc = "
It is possible to indicate special articulation techniques such as a
flute @qq{tongue slap} by replacing the note head with the appropriate
glyph.

"
  doctitle = "Flute slap notation"
} % begin verbatim


slap =
#(define-music-function (parser location music) (ly:music?)
#{
  \override NoteHead.stencil =
  #(lambda (grob)
     (grob-interpret-markup grob
      (markup #:musicglyph "scripts.sforzato")))
  \override NoteHead.stem-attachment =
  #(lambda (grob)
     (let* ((thickness (ly:staff-symbol-line-thickness grob))
            (stem (ly:grob-object grob 'stem))
            (dir (ly:grob-property stem 'direction UP)))
       (cons 1 (+ (if (= dir DOWN)
                      0.5
                      0)
                  (/ thickness 2)))))
  $music
  \revert NoteHead.stencil
  \revert NoteHead.stem-attachment
#})

\relative c' {
  c4 \slap c d r
  \slap { g4 a } b r
}