Documentation/snippets/drawing-circles-around-note-heads.ly


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%% DO NOT EDIT this file manually; it is automatically
%% generated from LSR http://lsr.dsi.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 "2.17.11"

\header {
  lsrtags = "editorial-annotations"

  texidoc = "
Here is how to circle a note.

"
  doctitle = "Drawing circles around note heads"
} % begin verbatim

circle =
\once \override NoteHead.stencil = #(lambda (grob)
    (let* ((note (ly:note-head::print grob))
           (combo-stencil (ly:stencil-add
               note
               (circle-stencil note 0.1 0.8))))
          (ly:make-stencil (ly:stencil-expr combo-stencil)
            (ly:stencil-extent note X)
            (ly:stencil-extent note Y))))

{ \circle c' }