;;;
;;; source file of the GNU LilyPond music typesetter
;;;
-;;; (c) 2000--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; (c) 2000--2003 Jan Nieuwenhuizen <janneke@gnu.org>
;; define factor of total volume per dynamic marking
)
absolute-volume-alist))
-(define (default-dynamic-absolute-volume s)
+(define-public (default-dynamic-absolute-volume s)
(let ((entry (assoc s absolute-volume-alist)))
(if entry
(cdr entry))))
;; define factors of total volume of minimum and maximum volume
-(define instrument-equaliser-alist '())
-(set! instrument-equaliser-alist
+(define instrument-equalizer-alist '())
+(set! instrument-equalizer-alist
(append
'(
("flute" . (0 . 0.7))
("cello" . (0.2 . 0.8))
("contrabass" . (0.2 . 0.8))
)
- instrument-equaliser-alist))
+ instrument-equalizer-alist))
;; (name . program+32768*(channel10 ? 1 : 0) )
(define instrument-names-alist '())
)
-(define (default-instrument-equaliser s)
- (let ((entry (assoc s instrument-equaliser-alist)))
+(define-public (default-instrument-equalizer s)
+ (let ((entry (assoc s instrument-equalizer-alist)))
(if entry
(cdr entry))))
-;; returns whether the instrument should use midi channel 9
-(define (percussion-p instrument)
+
+(define-public (percussion? instrument)
+ "
+returns whether the instrument should use midi channel 9
+"
(let* ((inst (symbol->string instrument))
(entry (assoc inst instrument-names-alist))
)
(and entry (>= (cdr entry) 32768))
)
)
-
-;; returns the program of the instrument
-(define (midi-program instrument)
+(define-public (midi-program instrument)
+"
+returns the program of the instrument
+"
(let* ((inst (symbol->string instrument))
(entry (assoc inst instrument-names-alist))
)
;; 90 == 90/127 == 0.71 is supposed to be the default value
;; urg: we should set this at start of track
-(define dynamic-default-volume 0.71)
+(define-public dynamic-default-volume 0.71)
-;; Count number of sharps minus number of flats
-(define (accidentals-in-key pitch-list)
+(define-public (accidentals-in-key pitch-list)
+ "Count number of sharps minus number of flats"
(apply + (map cdr pitch-list)))
-
-;; Characterise the key as major if the alteration of the
-;; third scale note is the same as that of the main note
-;; Note: MIDI cannot handle other tonalities than major/minor.
-(define (major-key pitch-list)
- (eq? (cdr (list-ref pitch-list 4)) (cdr (list-ref pitch-list 6))))