Documentation/snippets/changing-properties-for-individual-grobs.ly

   1 %% Do not edit this file; it is automatically
   2 %% generated from LSR http://lsr.dsi.unimi.it
   3 %% This file is in the public domain.
   4 \version "2.13.29"
   5
   6 \header {
   7   lsrtags = "tweaks-and-overrides"
   8
   9   texidoc = "
  10 The @code{\\applyOutput} command allows the tuning of any layout
  11 object, in any context. It requires a Scheme function with three
  12 arguments.
  13
  14 "
  15   doctitle = "Changing properties for individual grobs"
  16 } % begin verbatim
  17
  18 #(define (mc-squared grob grob-origin context)
  19   (let ((sp (ly:grob-property grob 'staff-position)))
  20     (if (grob::has-interface grob 'note-head-interface)
  21       (begin
  22         (ly:grob-set-property! grob 'stencil
  23           (grob-interpret-markup grob
  24             (make-lower-markup 0.5
  25               (case sp
  26                 ((-5) "m")
  27                 ((-3) "c ")
  28                 ((-2) (make-smaller-markup (make-bold-markup "2")))
  29                 (else "bla")))))))))
  30
  31 \relative c' {
  32   <d f g b>2
  33   \applyOutput #'Voice #mc-squared
  34   <d f g b>2
  35 }