Documentation/snippets/marking-notes-of-spoken-parts-with-a-cross-on-the-stem.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 "2.13.16"
   5
   6 \header {
   7   lsrtags = "editorial-annotations, vocal-music"
   8
   9   texidoc = "
  10 This example shows how to put crosses on stems.  Mark the beginning of
  11 a spoken section with the @code{\\speakOn} keyword, and end it with the
  12 @code{\\speakOff} keyword.
  13
  14 "
  15   doctitle = "Marking notes of spoken parts with a cross on the stem"
  16 } % begin verbatim
  17
  18 speakOn = {
  19   \override Stem #'stencil = #(lambda (grob)
  20     (let* ((x-parent (ly:grob-parent grob X))
  21            (is-rest? (ly:grob? (ly:grob-object x-parent 'rest))))
  22       (if is-rest?
  23         empty-stencil
  24         (ly:stencil-combine-at-edge
  25           (ly:stem::print grob)
  26           Y
  27           (- (ly:grob-property grob 'direction))
  28           (grob-interpret-markup grob
  29             (markup #:hspace -1.025 #:fontsize -4
  30               #:musicglyph "noteheads.s2cross"))
  31           -2.3 0))))
  32 }
  33
  34 speakOff = {
  35   \revert Stem #'stencil
  36 }
  37
  38 \score {
  39   \new Staff {
  40     \relative c'' {
  41       a4 b a c
  42       \speakOn
  43       g4 f r g
  44       b4 r d e
  45       \speakOff
  46       c4 a g f
  47     }
  48   }
  49 }
  50