Documentation/snippets/new/dynamics-text-spanner-postfix.ly

   1 \version "2.13.20"
   2
   3 \header {
   4   lsrtags = "expressive-marks, tweaks-and-overrides"
   5   texidoc = "The \cresc, \dim and \decresc spanners can now be redefined as
   6 postfix operators and produce one text spanner.  Defining custom spanners is
   7 also easy.  Hairpin and text crescendi can be easily mixed. \< and \> produce
   8 hairpins by default, \cresc etc. produce text spanners by default.
   9 "
  10   doctitle = "Dynamics text spanner postfix"
  11 }
  12
  13 % Some sample text dynamic spanners, to be used as postfix operators
  14 crpoco =
  15 #(make-music 'CrescendoEvent
  16              'span-direction START
  17              'span-type 'text
  18              'span-text "cresc. poco a poco")
  19 % Redefine the existing \cresc, \dim and \decresc commands to use postfix syntax
  20 cresc =
  21 #(make-music 'CrescendoEvent
  22              'span-direction START
  23              'span-type 'text
  24              'span-text "cresc.")
  25 dim =
  26 #(make-music 'DecrescendoEvent
  27              'span-direction START
  28              'span-type 'text
  29              'span-text "dim.")
  30 decresc =
  31 #(make-music 'DecrescendoEvent
  32              'span-direction START
  33              'span-type 'text
  34              'span-text "decresc.")
  35
  36 \relative c' {
  37   c4\cresc d4 e4 f4 |
  38   g4 a4\! b4\crpoco c4 |
  39   c4 d4 e4 f4 |
  40   g4 a4\! b4\< c4 |
  41   g4\dim a4 b4\decresc c4\!
  42 }
  43