ly/grace-init.ly

   1
   2 #(define (grace-beam-space-function multiplicity)
   3   (* (if (<= multiplicity 3) 0.816 0.844) 0.8))
   4
   5
   6 startGraceMusic = {
   7     \property Voice.Stem \override  #'direction = #1
   8     \property Voice.Stem \override #'length = #6
   9     \property Voice.Stem \override #'lengths =
  10         #(map (lambda (x) (* 0.8 x)) '(3.5 3.5 3.5 4.5 5.0))
  11     \property Voice.Stem \override #'beamed-lengths =
  12         #(map (lambda (x) (* 1.25 x)) '(0.0 2.5 2.0 1.5))
  13     \property Voice.Stem \override #'beamed-minimum-lengths =
  14         #(map (lambda (x) (* 1.25 x)) '(0.0 1.5 1.25 1.0))
  15     \property Voice.Stem \override #'no-stem-extend = ##t
  16     \property Voice.Stem \override #'flag-style  = #"grace"
  17
  18     \property Voice.Beam \override #'space-function = #grace-beam-space-function
  19     \property Voice.Beam \override #'thickness = #0.3
  20
  21     % must use staff. Accidentals should also be smaller.
  22     \property Staff.fontSize = #-2
  23 }
  24
  25 stopGraceMusic = {
  26     \property Voice.Beam \revert #'space-function
  27     \property Voice.Beam \revert #'thickness
  28
  29     \property Voice.Stem \revert #'flag-style
  30     \property Voice.Stem \revert #'no-stem-extend
  31     \property Voice.Stem \revert #'beamed-lengths
  32     \property Voice.Stem \revert #'beamed-minimum-lengths
  33     \property Voice.Stem \revert #'lengths
  34     \property Voice.Stem \revert #'length
  35     \property Voice.Stem \revert #'direction
  36
  37     \property Staff.fontSize \unset
  38 }