input/regression/flags-default.ly

   1 \version "2.12.0"
   2 #(set-global-staff-size 17)
   3
   4 \header {
   5   texidoc = "Default flag styles: '(), 'mensural and 'no-flag.
   6   Compare all three methods to print them: (1) C++ default implementation,
   7   (2) Scheme implementation using the 'flag-style grob property and
   8   (3) setting the 'flag property explicitly to the desired Scheme function.
   9   All three systems should be absolutely identical."
  10 }
  11
  12 \paper {
  13   line-width = 18\cm
  14 }
  15
  16 % test notes, which will be shown in different style:
  17 testnotes = { \autoBeamOff
  18   c'8 d'16 c'32 d'64 \acciaccatura {c'8} d'64
  19   c''8 d''16 c''32 d''64 \acciaccatura {c''8} d''64
  20 }
  21
  22 % Old settings: flag-style set to default, 'mensural, 'no-flag; using the
  23 % default C++ function ly:stem::calc-stem
  24 {
  25   \override Score.RehearsalMark #'self-alignment-X = #LEFT
  26   \time 2/4
  27
  28   \mark "Default flags (C++)"
  29   \testnotes
  30
  31   \mark "Symbol: 'mensural (C++)"
  32   \override Stem #'flag-style = #'mensural
  33   \testnotes
  34
  35   \mark "Symbol: 'no-flag (C++)"
  36   \override Stem #'flag-style = #'no-flag
  37   \testnotes
  38 }
  39
  40 % The same, but using the Scheme implementation of default-flag
  41 {
  42   \override Score.RehearsalMark #'self-alignment-X = #LEFT
  43   \time 2/4
  44
  45   \override Stem #'flag = #default-flag
  46   \revert Stem #'flag-style
  47   \mark "Default flags (Scheme)"
  48   \testnotes
  49
  50   \mark "Symbol: 'mensural (Scheme)"
  51   \override Stem #'flag-style = #'mensural
  52   \testnotes
  53
  54   \mark "Symbol: 'no-flag (Scheme)"
  55   \override Stem #'flag-style = #'no-flag
  56   \testnotes
  57 }
  58
  59 % New scheme functions: normal-flag, mensural-flag, no-flag
  60 {
  61   \override Score.RehearsalMark #'self-alignment-X = #LEFT
  62   \time 2/4
  63
  64   \mark "Function: normal-flag"
  65   \override Stem #'flag = #normal-flag
  66   \testnotes
  67
  68   \mark "Function: mensural-flag"
  69   \override Stem #'flag = #mensural-flag
  70   \testnotes
  71
  72   \mark "Function: no-flag"
  73   \override Stem #'flag = #no-flag
  74   \testnotes
  75 }