ly/grace-init.ly

   1
   2 startGraceMusic = {
   3     \property Voice.Stem \override  #'direction = #1
   4     \property Voice.Stem \override #'length = #6
   5     \property Voice.Stem \override #'lengths =
   6         #(map (lambda (x) (* 0.8 x)) '(3.5 3.5 3.5 4.5 5.0))
   7     \property Voice.Stem \override #'beamed-lengths =
   8         #(map (lambda (x) (* 0.8 x)) '(0.0 2.5 2.0 1.5))
   9     \property Voice.Stem \override #'beamed-minimum-lengths =
  10         #(map (lambda (x) (* 0.8 x)) '(0.0 1.5 1.25 1.0))
  11     \property Voice.Stem \override #'no-stem-extend = ##t
  12     \property Voice.Stem \override #'flag-style  = #"grace"
  13     \property Voice.Beam \override #'thickness = #0.384
  14
  15     %% Instead of calling Beam::space_function, we should invoke
  16     %% the previously active beam function...
  17     \property Voice.Beam \override #'space-function =
  18       #(lambda (beam mult) (* 0.8 (Beam::space_function beam mult)))
  19
  20     \property Voice.Beam \override #'position-callbacks =
  21       #`(,Beam::least_squares
  22          ,Beam::check_concave
  23          ,Beam::slope_damping)
  24
  25     % Can't use Staff.fontSize, since time sigs, keys sigs, etc. will
  26     % be smaller as well.
  27
  28     \property Voice.fontSize = #-2
  29     \property Staff.Accidental \override #'font-relative-size = #-2
  30     \property Voice.Slur \override #'direction = #-1
  31 }
  32
  33 stopGraceMusic = {
  34     \property Voice.Slur \revert #'direction
  35     \property Staff.Accidental \revert #'font-relative-size
  36     \property Voice.Beam \revert #'thickness
  37
  38     \property Voice.Stem \revert #'flag-style
  39     \property Voice.Stem \revert #'no-stem-extend
  40     \property Voice.Stem \revert #'beamed-lengths
  41     \property Voice.Stem \revert #'beamed-minimum-lengths
  42     \property Voice.Stem \revert #'lengths
  43     \property Voice.Stem \revert #'length
  44     \property Voice.Stem \revert #'direction
  45     \property Voice.Beam \revert #'space-function
  46
  47     \property Voice.Beam \revert #'position-callbacks
  48
  49     % Can't use Staff.fontSize, since time sigs, keys sigs, etc. will
  50     % be smaller as well.
  51
  52     \property Voice.fontSize \unset
  53 }