input/regression/scheme-book-scores.ly

   1 \version "2.13.4"
   2
   3 \header {
   4
   5   texidoc = "Scores can be generated with scheme, too, and inserted into the
   6 current book(part). Generated and explicit scores can be mixed, the header
   7 informations from top- and booklevel stack correctly."
   8
   9 }
  10
  11 #(use-modules (scm display-lily))
  12
  13 % Sample score, which adds a score (containing just one note) to the current
  14 % book/bookpart/at toplevel using scheme rather than the parser.
  15 % That score is supposed to use the global header information, too.
  16 #(define add-one-note-score
  17    (let ((pitch 0))
  18         (lambda (parser)
  19           (let* ((scmpitch (ly:make-pitch 0 pitch 0))
  20                  (music (make-music 'EventChord
  21                           'elements (list (make-music 'NoteEvent
  22                                             'duration (ly:make-duration 2 0 1 1)
  23                                             'pitch scmpitch))))
  24                  (score (scorify-music music parser))
  25                  (layout (ly:output-def-clone $defaultlayout))
  26                  (desc (markup #:large #:line ((ly:format "Score with a ~a"
  27                                 (note-name->lily-string scmpitch parser))))))
  28             (ly:score-add-output-def! score layout)
  29             (add-text parser desc)
  30             (add-score parser score))
  31             (set! pitch (modulo (1+ pitch) 7)))))
  32
  33 oneNoteScore =
  34 #(define-music-function (parser location) ()
  35    (add-one-note-score parser)
  36    (make-music 'Music 'void #t))
  37
  38 %%%
  39
  40 \header {
  41   title = "Main Title"
  42   subtitle = "Main subtitle"
  43   piece = "Piecetitle"
  44 }
  45
  46 \oneNoteScore
  47
  48 \bookpart {
  49   \header { title ="Title 1" subtitle="Sub1"}
  50   \oneNoteScore
  51   \score { \relative c' c1 }
  52   \oneNoteScore
  53 }
  54
  55
  56 \bookpart {
  57   \score { \relative c' c1 }
  58   \oneNoteScore
  59 }
  60
  61 \oneNoteScore
  62