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 "2.12.0"
   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
  14 #(define (letter-tablature-format str context event)
  15   (let*
  16       ((tuning (ly:context-property context 'stringTunings))
  17        (pitch (ly:event-property event 'pitch)))
  18     (make-whiteout-markup
  19      (make-vcenter-markup
  20       (string (integer->char
  21          (+ (char->integer #\a)
  22             (- (ly:pitch-semitones pitch)
  23             (list-ref tuning (- str 1))))))))))
  24
  25 music = \relative c {
  26   c4 d e f
  27   g4 a b c
  28   d4 e f g
  29 }
  30
  31 <<
  32   \new Staff {
  33     \clef "G_8"
  34     \music
  35   }
  36   \new TabStaff \with {
  37     tablatureFormat = #letter-tablature-format
  38   }
  39   {
  40     \music
  41   }
  42 >>