-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; tuplets.
-
-(define-public (denominator-tuplet-formatter mus)
- (number->string (ly:music-property mus 'denominator)))
-
-(define-public (fraction-tuplet-formatter mus)
- (string-append
- (number->string (ly:music-property mus 'denominator))
- ":"
- (number->string (ly:music-property mus 'numerator))
- ))
-
+;;;; translation-functions.scm --
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;; Jan Nieuwenhuizen <janneke@gnu.org>
;; metronome marks
-(define-public (format-metronome-markup event context)
- (let*
- ((dur (ly:music-property event 'tempo-unit))
- (count (ly:music-property event 'metronome-count))
- (note-mark (make-note-by-number-markup (ly:duration-log dur)
- (ly:duration-dot-count dur)
- 1) ) )
- (make-line-markup
- (list
- note-mark
- (make-simple-markup "=")
- (make-simple-markup (number->string count))
-
- ))))
+(define-public (format-metronome-markup text dur count context)
+ (let* ((hide_note (eq? #t (ly:context-property context 'tempoHideNote)))
+ (note-mark (if (and (not hide_note) (ly:duration? dur))
+ (make-smaller-markup
+ (make-note-by-number-markup (ly:duration-log dur)
+ (ly:duration-dot-count dur)
+ 1))
+ #f))
+ (note-markup (if (and note-mark (number? count) (> count 0) )
+ (make-concat-markup (list
+ (make-general-align-markup Y DOWN note-mark)
+ (make-simple-markup " ")
+ (make-simple-markup "=")
+ (make-simple-markup " ")
+ (make-simple-markup (number->string count))))
+ #f))
+ (text-markup (if (not (null? text))
+ (make-bold-markup text)
+ #f)))
+ (if text-markup
+ (if note-markup
+ (make-line-markup (list text-markup
+ (make-concat-markup (list (make-simple-markup "(")
+ note-markup
+ (make-simple-markup ")")))))
+ (make-line-markup (list text-markup))
+ )
+ (if note-markup
+ (make-line-markup (list note-markup))
+ #f
+ )
+ )
+ )
+)
+
+(define-public (format-mark-alphabet mark context)
+ (make-bold-markup (make-markalphabet-markup (1- mark))))
+(define-public (format-mark-box-alphabet mark context)
+ (make-bold-markup (make-box-markup (make-markalphabet-markup (1- mark)))))
+(define-public (format-mark-circle-alphabet mark context)
+ (make-bold-markup (make-circle-markup (make-markalphabet-markup (1- mark)))))
(define-public (format-mark-letters mark context)
(make-bold-markup (make-markletter-markup (1- mark))))
(define-public (format-mark-numbers mark context)
(make-bold-markup (number->string mark)))
+(define-public (format-mark-barnumbers mark context)
+ (make-bold-markup (number->string (ly:context-property context 'currentBarNumber))))
+
+(define-public (format-mark-box-letters mark context)
+ (make-bold-markup (make-box-markup (make-markletter-markup (1- mark)))))
+
+(define-public (format-mark-circle-letters mark context)
+ (make-bold-markup (make-circle-markup (make-markletter-markup (1- mark)))))
+
+(define-public (format-mark-box-numbers mark context)
+ (make-bold-markup (make-box-markup (number->string mark))))
+
+(define-public (format-mark-circle-numbers mark context)
+ (make-bold-markup (make-circle-markup (number->string mark))))
+
+(define-public (format-mark-box-barnumbers mark context)
+ (make-bold-markup (make-box-markup
+ (number->string (ly:context-property context 'currentBarNumber)))))
+
+(define-public (format-mark-circle-barnumbers mark context)
+ (make-bold-markup (make-circle-markup
+ (number->string (ly:context-property context 'currentBarNumber)))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Bass figures.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define-public (format-bass-figure figure event context)
+ (let* ((fig (ly:event-property event 'figure))
+ (fig-markup (if (number? figure)
+
+ ;; this is not very elegant, but center-aligning all digits
+ ;; is problematic with other markups, and shows problems
+ ;; in the (lack of) overshoot of feta alphabet glyphs.
+
+ ((if (<= 10 figure)
+ (lambda (y) (make-translate-scaled-markup (cons -0.7 0) y))
+ identity)
+
+ (cond
+ ((eq? #t (ly:event-property event 'diminished))
+ (markup #:slashed-digit figure))
+ ((eq? #t (ly:event-property event 'augmented-slash))
+ (markup #:backslashed-digit figure))
+ (else (markup #:number (number->string figure 10)))))
+ #f
+ ))
+ (alt (ly:event-property event 'alteration))
+ (alt-markup
+ (if (number? alt)
+ (markup
+ #:general-align Y DOWN #:fontsize
+ (if (not (= alt DOUBLE-SHARP))
+ -2 2)
+ (alteration->text-accidental-markup alt))
+
+ #f))
+ (plus-markup (if (eq? #t (ly:event-property event 'augmented))
+ (markup #:number "+")
+ #f))
+
+ (alt-dir (ly:context-property context 'figuredBassAlterationDirection))
+ (plus-dir (ly:context-property context 'figuredBassPlusDirection))
+ )
+
+ (if (and (not fig-markup) alt-markup)
+ (begin
+ (set! fig-markup (markup #:left-align #:pad-around 0.3 alt-markup))
+ (set! alt-markup #f)))
+
+
+ ;; hmm, how to get figures centered between note, and
+ ;; lone accidentals too?
+
+ ;; (if (markup? fig-markup)
+ ;; (set!
+ ;; fig-markup (markup #:translate (cons 1.0 0)
+ ;; #:hcenter fig-markup)))
+
+ (if alt-markup
+ (set! fig-markup
+ (markup #:put-adjacent
+ fig-markup X
+ (if (number? alt-dir)
+ alt-dir
+ LEFT)
+ #:pad-x 0.2 alt-markup
+ )))
+
+
+ (if plus-markup
+ (set! fig-markup
+ (if fig-markup
+ (markup #:put-adjacent
+ fig-markup
+ X (if (number? plus-dir)
+ plus-dir
+ LEFT)
+ #:pad-x 0.2 plus-markup)
+ plus-markup)))
+
+ (if (markup? fig-markup)
+ (markup #:fontsize -2 fig-markup)
+ empty-markup)
+
+ ))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; fret diagrams
+
+(define-public (determine-frets context grob notes string-numbers)
+ (define (ensure-number a b)
+ (if (number? a)
+ a
+ b))
+(let*
+ ((tunings (ly:context-property context 'stringTunings))
+ (minimum-fret (ensure-number
+ (ly:context-property context 'minimumFret) 0))
+ (max-stretch (ensure-number
+ (ly:context-property context 'maximumFretStretch) 4))
+ (string-frets (determine-frets-mf notes string-numbers
+ minimum-fret max-stretch
+ tunings)))
+
+
+ (set! (ly:grob-property grob 'string-count) (length tunings))
+ (set! (ly:grob-property grob 'string-fret-finger-combinations) string-frets)
+
+ ))
+
+(define-public (determine-frets-mf notes string-numbers
+ minimum-fret max-stretch
+ tunings)
+
+ (define (calc-fret pitch string tuning)
+ (- (ly:pitch-semitones pitch) (list-ref tuning (1- string))))
+
+ (define (note-pitch a)
+ (ly:event-property a 'pitch))
+
+ (define (note-pitch<? a b)
+ (ly:pitch<? (note-pitch a)
+ (note-pitch b)))
+
+ (define (note-finger ev)
+ (let* ((articulations (ly:event-property ev 'articulations))
+ (finger-found #f))
+
+ (map (lambda (art)
+ (let*
+ ((num (ly:event-property art 'digit)))
+
+ (if (and (eq? 'fingering-event (ly:event-property art 'class))
+ (number? num))
+ (set! finger-found num))))
+ articulations)
+
+ finger-found))
+
+ (define (note-string ev)
+ (let* ((articulations (ly:event-property ev 'articulations))
+ (string-found #f))
+
+ (map (lambda (art)
+ (let*
+ ((num (ly:event-property art 'string-number)))
+
+ (if (number? num)
+ (set! string-found num))))
+ articulations)
+
+ string-found))
+
+ (define (del-string string)
+ (if (number? string)
+ (set! free-strings
+ (delete string free-strings))))
+ (define specified-frets '())
+ (define free-strings '())
+
+ (define (close-enough fret)
+ (reduce
+ (lambda (x y)
+ (and x y))
+ #t
+ (map (lambda (specced-fret)
+ (> max-stretch (abs (- fret specced-fret))))
+ specified-frets)
+ ))
+
+ (define (string-qualifies string pitch)
+ (let*
+ ((fret (calc-fret pitch string tunings)))
+
+ (and (>= fret minimum-fret)
+ (close-enough fret))
+
+ ))
+
+ (define string-fret-fingering-tuples '())
+ (define (set-fret note string)
+ (set! string-fret-fingering-tuples
+ (cons (list string
+ (calc-fret (ly:event-property note 'pitch)
+ string tunings)
+ (note-finger note))
+ string-fret-fingering-tuples))
+ (del-string string))
+
+
+ ;;; body.
+ (set! specified-frets
+ (filter identity (map
+ (lambda (note)
+ (if (note-string note)
+ (calc-fret (note-pitch note)
+ (note-string note) tunings)
+ #f))
+ notes)))
+
+
+ (set! free-strings (map 1+ (iota (length tunings))))
+
+ (for-each (lambda (note)
+ (del-string (note-string note)))
+ notes)
+
+
+ (for-each
+ (lambda (note)
+ (if (note-string note)
+ (set-fret note (note-string note))
+ (let*
+ ((string (find (lambda (string) (string-qualifies string
+ (note-pitch note)))
+ (reverse free-strings))))
+ (if string
+ (set-fret note string)
+ (ly:warning "No string for pitch ~a (given frets ~a)" (note-pitch note)
+ specified-frets))
+
+ )))
+ (sort notes note-pitch<?))
+
+ string-fret-fingering-tuples)