1 ;;;; translation-functions.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
9 (define-public (format-metronome-markup dur count context)
10 (let* ((note-mark (make-smaller-markup
11 (make-note-by-number-markup (ly:duration-log dur)
12 (ly:duration-dot-count dur)
16 (make-general-align-markup Y DOWN note-mark)
17 (make-simple-markup "=")
18 (make-simple-markup (number->string count))))))
20 (define-public (format-mark-alphabet mark context)
21 (make-bold-markup (make-markalphabet-markup (1- mark))))
23 (define-public (format-mark-box-alphabet mark context)
24 (make-bold-markup (make-box-markup (make-markalphabet-markup (1- mark)))))
26 (define-public (format-mark-circle-alphabet mark context)
27 (make-bold-markup (make-circle-markup (make-markalphabet-markup (1- mark)))))
29 (define-public (format-mark-letters mark context)
30 (make-bold-markup (make-markletter-markup (1- mark))))
32 (define-public (format-mark-numbers mark context)
33 (make-bold-markup (number->string mark)))
35 (define-public (format-mark-barnumbers mark context)
36 (make-bold-markup (number->string (ly:context-property context 'currentBarNumber))))
38 (define-public (format-mark-box-letters mark context)
39 (make-bold-markup (make-box-markup (make-markletter-markup (1- mark)))))
41 (define-public (format-mark-circle-letters mark context)
42 (make-bold-markup (make-circle-markup (make-markletter-markup (1- mark)))))
44 (define-public (format-mark-box-numbers mark context)
45 (make-bold-markup (make-box-markup (number->string mark))))
47 (define-public (format-mark-circle-numbers mark context)
48 (make-bold-markup (make-circle-markup (number->string mark))))
50 (define-public (format-mark-box-barnumbers mark context)
51 (make-bold-markup (make-box-markup
52 (number->string (ly:context-property context 'currentBarNumber)))))
54 (define-public (format-mark-circle-barnumbers mark context)
55 (make-bold-markup (make-circle-markup
56 (number->string (ly:context-property context 'currentBarNumber)))))
59 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
61 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
63 (define-public (format-bass-figure figure event context)
64 (let* ((fig (ly:event-property event 'figure))
65 (fig-markup (if (number? figure)
67 ;; this is not very elegant, but center-aligning all digits
68 ;; is problematic with other markups, and shows problems
69 ;; in the (lack of) overshoot of feta alphabet glyphs.
72 (lambda (y) (make-translate-scaled-markup (cons -0.7 0) y))
76 ((eq? #t (ly:event-property event 'diminished))
77 (markup #:slashed-digit figure))
78 ((eq? #t (ly:event-property event 'augmented-slash))
79 (markup #:backslashed-digit figure))
80 (else (markup #:number (number->string figure 10)))))
83 (alt (ly:event-property event 'alteration))
87 #:general-align Y DOWN #:fontsize
88 (if (not (= alt DOUBLE-SHARP))
90 (alteration->text-accidental-markup alt))
93 (plus-markup (if (eq? #t (ly:event-property event 'augmented))
97 (alt-dir (ly:context-property context 'figuredBassAlterationDirection))
98 (plus-dir (ly:context-property context 'figuredBassPlusDirection))
101 (if (and (not fig-markup) alt-markup)
103 (set! fig-markup (markup #:left-align #:pad-around 0.3 alt-markup))
104 (set! alt-markup #f)))
107 ;; hmm, how to get figures centered between note, and
108 ;; lone accidentals too?
110 ;; (if (markup? fig-markup)
112 ;; fig-markup (markup #:translate (cons 1.0 0)
113 ;; #:hcenter fig-markup)))
117 (markup #:put-adjacent
119 (if (number? alt-dir)
122 #:pad-x 0.2 alt-markup
129 (markup #:put-adjacent
131 X (if (number? plus-dir)
134 #:pad-x 0.2 plus-markup)
137 (if (markup? fig-markup)
138 (markup #:fontsize -2 fig-markup)
143 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
146 (define-public (determine-frets context grob notes string-numbers)
147 (define (ensure-number a b)
152 ((tunings (ly:context-property context 'stringTunings))
153 (minimum-fret (ensure-number
154 (ly:context-property context 'minimumFret) 0))
155 (max-stretch (ensure-number
156 (ly:context-property context 'maximumFretStretch) 4))
157 (string-frets (determine-frets-mf notes string-numbers
158 minimum-fret max-stretch
162 (set! (ly:grob-property grob 'string-count) (length tunings))
163 (set! (ly:grob-property grob 'string-fret-finger-combinations) string-frets)
167 (define-public (determine-frets-mf notes string-numbers
168 minimum-fret max-stretch
171 (define (calc-fret pitch string tuning)
172 (- (ly:pitch-semitones pitch) (list-ref tuning (1- string))))
174 (define (note-pitch a)
175 (ly:event-property a 'pitch))
177 (define (note-pitch<? a b)
178 (ly:pitch<? (note-pitch a)
181 (define (note-finger ev)
182 (let* ((articulations (ly:event-property ev 'articulations))
187 ((num (ly:event-property art 'digit)))
189 (if (and (eq? 'fingering-event (ly:event-property art 'class))
191 (set! finger-found num))))
196 (define (note-string ev)
197 (let* ((articulations (ly:event-property ev 'articulations))
202 ((num (ly:event-property art 'string-number)))
205 (set! string-found num))))
210 (define (del-string string)
213 (delete string free-strings))))
214 (define specified-frets '())
215 (define free-strings '())
217 (define (close-enough fret)
222 (map (lambda (specced-fret)
223 (> max-stretch (abs (- fret specced-fret))))
227 (define (string-qualifies string pitch)
229 ((fret (calc-fret pitch string tunings)))
231 (and (>= fret minimum-fret)
236 (define string-fret-fingering-tuples '())
237 (define (set-fret note string)
238 (set! string-fret-fingering-tuples
240 (calc-fret (ly:event-property note 'pitch)
243 string-fret-fingering-tuples))
248 (set! specified-frets
249 (filter identity (map
251 (if (note-string note)
252 (calc-fret (note-pitch note)
253 (note-string note) tunings)
258 (set! free-strings (map 1+ (iota (length tunings))))
260 (for-each (lambda (note)
261 (del-string (note-string note)))
267 (if (note-string note)
268 (set-fret note (note-string note))
270 ((string (find (lambda (string) (string-qualifies string
272 (reverse free-strings))))
274 (set-fret note string)
275 (ly:warning "No string for pitch ~a (given frets ~a)" (note-pitch note)
279 (sort notes note-pitch<?))
281 string-fret-fingering-tuples)