Drawing circles around note heads: Difference between revisions

@@ Line 1: / Line 1: @@
-Here is how to circle a note.
+A circle can be drawn around a note head by providing a custom Scheme function to temporarily override the <code>stencil</code> property.
 <lilypond version="2.24">
-%LSR contributed by Valentin http://lists.gnu.org/archive/html/lilypond-user/2010-10/msg00523.html
+% LSR originally contributed by Valentin
+% LSR http://lists.gnu.org/archive/html/lilypond-user/2010-10/msg00523.html
-circle =
+circle = \tweak NoteHead.stencil
-\once \override NoteHead.stencil = #(lambda (grob)
+  #(lambda (grob)
      (let* ((note (ly:note-head::print grob))
             (combo-stencil (ly:stencil-add
@@ Line 13: / Line 14: @@
              (ly:stencil-extent note X)
              (ly:stencil-extent note Y))))
+  \etc
 { \circle c'' }
@@ Line 18: / Line 20: @@
 [[Category:Editorial annotations]]
-[[Category:Included in the official documentation]][[Category:Snippet]]
+[[Category:Scheme]]
+[[Category:Included in the official documentation]]
+[[Category:Snippet]]