-;;;; translation-functions.scm --
+;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; source file of the GNU LilyPond music typesetter
-;;;;
-;;;; (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;; (c) 1998--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
;;;; Jan Nieuwenhuizen <janneke@gnu.org>
+;;;;
+;;;; LilyPond is free software: you can redistribute it and/or modify
+;;;; it under the terms of the GNU General Public License as published by
+;;;; the Free Software Foundation, either version 3 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; LilyPond is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; metronome marks
-(define-public (format-metronome-markup dur count context)
- (let* ((note-mark (make-smaller-markup
- (make-note-by-number-markup (ly:duration-log dur)
- (ly:duration-dot-count dur)
- 1))))
- (make-line-markup
- (list
- (make-general-align-markup Y DOWN 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))))
+ (metronome-markup text dur count hide-note)))
+
+(define-public (metronome-markup text dur count hide-note)
+ (let* ((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 (not hide-note) (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 (and note-markup (not hide-note))
+ (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))
+ (make-null-markup)))))
(define-public (format-mark-alphabet mark context)
(make-bold-markup (make-markalphabet-markup (1- mark))))
(make-bold-markup (number->string mark)))
(define-public (format-mark-barnumbers mark context)
- (make-bold-markup (number->string (ly:context-property context 'currentBarNumber))))
+ (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-box-barnumbers mark context)
(make-bold-markup (make-box-markup
- (number->string (ly:context-property context 'currentBarNumber)))))
+ (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)))))
+ (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.
-
+ ;; 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))
+ (lambda (y) (make-translate-scaled-markup
+ (cons -0.7 0) y))
identity)
- (if (eq? #t (ly:event-property event 'diminished))
- (markup #:slashed-digit figure)
- (markup #:number (number->string figure 10))))
- #f
- ))
+ (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)
(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))
- )
+ (plus-dir (ly:context-property context 'figuredBassPlusDirection)))
(if (and (not fig-markup) alt-markup)
(begin
;; 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)))
+ ;; #:center-align 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
- )))
-
-
+ X (if (number? alt-dir)
+ alt-dir
+ LEFT)
+ fig-markup
+ #: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)
+ fig-markup
#:pad-x 0.2 plus-markup)
plus-markup)))
-
+
(if (markup? fig-markup)
(markup #:fontsize -2 fig-markup)
- empty-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 (string-frets->dot-placement string-frets string-count)
+ (let* ((desc (list->vector
+ (map (lambda (x) (list 'mute (1+ x)))
+ (iota string-count)))))
+
+ (for-each (lambda (sf)
+ (let* ((string (car sf))
+ (fret (cadr sf))
+ (finger (caddr sf)))
+
+ (vector-set!
+ desc (1- string)
+ (if (= 0 fret)
+ (list 'open string)
+ (if finger
+ (list 'place-fret string fret finger)
+ (list 'place-fret string fret))))))
+ string-frets)
+
+ (vector->list desc)))
+
+ (define (get-predefined-fretboard predefined-fret-table tuning pitches)
+; (_i "Search through @var{predefined-fret-table} looking for a predefined
+;fretboard with a key of @var{(tuning . pitches)}. The search will check
+;both up and down an octave in order to accomodate transposition of the
+;chords.")
+ (define (get-fretboard key)
+ (let ((hash-handle
+ (hash-get-handle predefined-fret-table key)))
+ (if hash-handle
+ (cdr hash-handle) ; return table entry
+ '())))
+
+ (let ((test-fretboard (get-fretboard (cons tuning pitches))))
+ (if (not (null? test-fretboard))
+ test-fretboard
+ (let ((test-fretboard
+ (get-fretboard
+ (cons tuning (map (lambda (x) (shift-octave x 1)) pitches)))))
+ (if (not (null? test-fretboard))
+ test-fretboard
+ (get-fretboard
+ (cons tuning (map (lambda (x) (shift-octave x -1))
+ pitches))))))))
+
+;; body.
+ (let* ((tunings (ly:context-property context 'stringTunings))
+ (my-string-count (length tunings))
+ (details (ly:grob-property grob 'fret-diagram-details))
+ (predefined-frets
+ (ly:context-property context 'predefinedDiagramTable))
+ (pitches (map (lambda (x) (ly:event-property x 'pitch)) notes))
+ (predefined-fretboard
+ (if predefined-frets
+ (get-predefined-fretboard
+ predefined-frets
+ tunings
+ pitches)
+ '())))
+
+ (set! (ly:grob-property grob 'fret-diagram-details)
+ (if (null? details)
+ (acons 'string-count my-string-count '())
+ (acons 'string-count my-string-count details)))
+
+ (set! (ly:grob-property grob 'dot-placement-list)
+ (if (not (null? predefined-fretboard))
+ predefined-fretboard
+ (let* ((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)))
+ (string-frets->dot-placement
+ string-frets
+ my-string-count))))))
(define-public (determine-frets-mf notes string-numbers
minimum-fret max-stretch
(define (note-pitch a)
(ly:event-property a 'pitch))
- (define (note-pitch<? a b)
- (ly:pitch<? (note-pitch a)
- (note-pitch b)))
+ (define (note-pitch>? a b)
+ (ly:pitch<? (note-pitch b)
+ (note-pitch a)))
(define (note-finger ev)
(let* ((articulations (ly:event-property ev 'articulations))
(finger-found #f))
(map (lambda (art)
- (let*
- ((num (ly:event-property art 'digit)))
+ (let* ((num (ly:event-property art 'digit)))
(if (and (eq? 'fingering-event (ly:event-property art 'class))
(number? 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)))
+ (let* ((num (ly:event-property art 'string-number)))
(if (number? num)
(set! string-found num))))
string-found))
(define (del-string string)
- (if (number? string)
- (set! free-strings
- (delete string free-strings))))
+ (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)
- ))
-
+ (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))
-
- ))
-
+ (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))
-
+ (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)))
-
+ (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<?))
+ (let* ((fit-string (find (lambda (string)
+ (string-qualifies string (note-pitch note)))
+ free-strings)))
+ (if fit-string
+ (set-fret note fit-string)
+ (ly:warning "No string for pitch ~a (given frets ~a)"
+ (note-pitch note)
+ specified-frets)))))
+ (sort notes note-pitch>?))
string-fret-fingering-tuples)
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; tablature
+
+;; The TabNoteHead tablatureFormat callbacks.
+
+;; Calculate the fret from pitch and string number as letter
+;; The fret letter is taken from 'fretLabels if present
+(define-public (fret-letter-tablature-format string-number context event)
+ (let* ((tuning (ly:context-property context 'stringTunings))
+ (pitch (ly:event-property event 'pitch))
+ (labels (ly:context-property context 'fretLabels))
+ (fret (- (ly:pitch-semitones pitch)
+ (list-ref tuning (- string-number 1)))))
+ (make-vcenter-markup
+ (cond
+ ((= 0 (length labels))
+ (string (integer->char (+ fret (char->integer #\a)))))
+ ((and (<= 0 fret) (< fret (length labels)))
+ (list-ref labels fret))
+ (else
+ (ly:warning "No label for fret ~a (~a on string ~a);
+only ~a fret labels provided"
+ fret pitch string-number (length labels))
+ ".")))))
+
+;; Calculate the fret from pitch and string number as number
+(define-public (fret-number-tablature-format string-number context event)
+ (let* ((tuning (ly:context-property context 'stringTunings))
+ (pitch (ly:event-property event 'pitch)))
+ (make-vcenter-markup
+ (format
+ "~a"
+ (- (ly:pitch-semitones pitch)
+ (list-ref tuning
+ ;; remove 1 because list index starts at 0
+ ;;and guitar string at 1.
+ (1- string-number)))))))
+
+;; The 5-string banjo has got a extra string, the fifth (duh), which
+;; starts at the fifth fret on the neck. Frets on the fifth string
+;; are referred to relative to the other frets:
+;; the "first fret" on the fifth string is really the sixth fret
+;; on the banjo neck.
+;; We solve this by defining a new fret-number-tablature function:
+(define-public (fret-number-tablature-format-banjo string-number context event)
+ (let* ((tuning (ly:context-property context 'stringTunings))
+ (pitch (ly:event-property event 'pitch)))
+ (make-vcenter-markup
+ (let ((fret (- (ly:pitch-semitones pitch)
+ (list-ref tuning (1- string-number)))))
+ (number->string (cond
+ ((and (> fret 0) (= string-number 5))
+ (+ fret 5))
+ (else fret)))))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; bar numbers
+
+(define-public ((every-nth-bar-number-visible n) barnum)
+ (= 0 (modulo barnum n)))
+
+(define-public ((modulo-bar-number-visible n m) barnum)
+ (and (> barnum 1) (= m (modulo barnum n))))
+
+(define-public ((set-bar-number-visibility n) tr)
+ (let ((bn (ly:context-property tr 'currentBarNumber)))
+ (ly:context-set-property! tr 'barNumberVisibility
+ (modulo-bar-number-visible n (modulo bn n)))))
+
+(define-public (first-bar-number-invisible barnum) (> barnum 1))
+
+(define-public (all-bar-numbers-visible barnum) #t)
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; percent repeat counters
+
+(define-public ((every-nth-repeat-count-visible n) count context)
+ (= 0 (modulo count n)))
+
+(define-public (all-repeat-counts-visible count context) #t)
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