input/lsr/letter-tablature-formatting.ly

   1 %% Do not edit this file; it is auto-generated from input/new
   2 %% This file is in the public domain.
   3 \version "2.11.57"
   4
   5 \header {
   6   lsrtags = "staff-notation,fretted-strings"
   7
   8   texidoc = "Tablature can be formatted using letters instead of
   9 numbers."
  10   doctitle = "Letter tablature formatting"
  11 } % begin verbatim
  12
  13 #(define (letter-tablature-format str context event)
  14   (let*
  15       ((tuning (ly:context-property context 'stringTunings))
  16        (pitch (ly:event-property event 'pitch)))
  17     (make-whiteout-markup
  18      (make-vcenter-markup
  19       (string (integer->char
  20          (+ (char->integer #\a)
  21             (- (ly:pitch-semitones pitch)
  22             (list-ref tuning (- str 1))))))))))
  23
  24 music = \relative c {
  25   c4 d e f
  26   g4 a b c
  27   d4 e f g
  28 }
  29
  30 <<
  31   \new Staff {
  32     \clef "G_8"
  33     \music
  34   }
  35   \new TabStaff \with {
  36     tablatureFormat = #letter-tablature-format
  37   } {
  38     \music
  39   }
  40 >>