-;;;
-;;; chord-name.scm -- Compile chord name
-;;;
-;;; source file of the GNU LilyPond music typesetter
-;;;
-;;; (c) 2000--2001 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;
+;;;; chord-name.scm -- chord name utility functions
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 2000--2008 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+(define (natural-chord-alteration p)
+ "Return the natural alteration for step P."
+ (if (= (ly:pitch-steps p) 6)
+ FLAT
+ 0))
-
-(use-modules
- (ice-9 debug)
- ;; urg, these two only to guess if a '/' is needed to separate
- ;; user-chord-name and additions/subtractions
- (ice-9 format)
- (ice-9 regex)
- )
-
-;;
-;; (octave notename accidental)
-;;
-
-;;
-;; text: scm markup text -- see font.scm and input/test/markup.ly
-;;
-
-;; TODO
-;;
-;; * clean split of base/banter/american stuff
-;; * text definition is rather ad-hoc
-;; * do without format module
-;; * finish and check american names
-;; * make notename (tonic) configurable from lilypond
-;; * fix append/cons stuff in inner-name-banter
-;; * doc strings.
-
-;;;;;;;;;
-(define chord::names-alist-banter '())
-(set! chord::names-alist-banter
- (append
- '(
- ; C iso C.no3.no5
- (((0 . 0)) . #f)
- ; C iso C.no5
- (((0 . 0) (2 . 0)) . #f)
- ; Cm iso Cm.no5
- (((0 . 0) (2 . -1)) . ("m"))
- ; C2 iso C2.no3
- (((0 . 0) (1 . 0) (4 . 0)) . (super "2"))
- ; C4 iso C4.no3
- (((0 . 0) (3 . 0) (4 . 0)) . (super "4"))
- ; Cdim iso Cm5-
- (((0 . 0) (2 . -1) (4 . -1)) . ("dim"))
- ; Co iso Cm5-7-
- ; urg
- (((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . (super "o"))
- ; Cdim9
- (((0 . 0) (2 . -1) (4 . -1) (6 . -2) (1 . -1)) . ("dim" (super "9")))
- (((0 . 0) (2 . -1) (4 . -1) (6 . -2) (1 . -1) (3 . -1)) . ("dim" (super "11")))
- )
- chord::names-alist-banter))
-
-
-;; NOTE: Duplicates of chord names defined elsewhere occur in this list
-;; in order to prevent spurious superscripting of various chord names,
-;; such as maj7, maj9, etc.
-;;
-;; See input/test/american-chords.ly
-;;
-;; James Hammons, <jlhamm@pacificnet.net>
-;;
-
-;; DONT use non-ascii characters, even if ``it works'' in Windows
-
-(define chord::names-alist-american '())
-
-(set! chord::names-alist-american
- (append
- '(
- (((0 . 0)) . #f)
- (((0 . 0) (2 . 0)) . #f)
- ;; Root-fifth chord
- (((0 . 0) (4 . 0)) . ("5"))
- ;; Common triads
- (((0 . 0) (2 . -1)) . ("m"))
- (((0 . 0) (3 . 0) (4 . 0)) . ("sus"))
- (((0 . 0) (2 . -1) (4 . -1)) . ("dim"))
-;Alternate: (((0 . 0) (2 . -1) (4 . -1)) . ((super "o")))
- (((0 . 0) (2 . 0) (4 . 1)) . ("aug"))
-;Alternate: (((0 . 0) (2 . 0) (4 . 1)) . ("+"))
- (((0 . 0) (1 . 0) (4 . 0)) . ("2"))
- ;; Common seventh chords
- (((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . (rows (super "o") "7"))
- (((0 . 0) (2 . 0) (4 . 0) (6 . 0)) . ("maj7"))
- (((0 . 0) (2 . -1) (4 . 0) (6 . -1)) . ("m7"))
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1)) . ("7"))
- (((0 . 0) (2 . -1) (4 . 0) (6 . 0)) . ("m(maj7)"))
- ;jazz: the delta, see jazz-chords.ly
- ;;(((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . (super ((font-family . math) "N"))
- ;; ugh, kludge slashed o
- (((0 . 0) (2 . -1) (4 . -1) (6 . -1)) . (rows ((raise . 1) "o") ((kern . -0.85) ((raise . 0.57) ((font-relative-size . -3) "/"))) "7")) ; slashed o
- (((0 . 0) (2 . 0) (4 . 1) (6 . -1)) . ("aug7"))
- (((0 . 0) (2 . 0) (4 . -1) (6 . 0)) . (rows "maj7" ((font-relative-size . -2) ((raise . 0.2) (music (named "accidentals--1")))) "5"))
- (((0 . 0) (2 . 0) (4 . -1) (6 . -1)) . (rows "7" ((font-relative-size . -2) ((raise . 0.2) (music (named "accidentals--1")))) "5"))
- (((0 . 0) (3 . 0) (4 . 0) (6 . -1)) . ("7sus4"))
- ;; Common ninth chords
- (((0 . 0) (2 . 0) (4 . 0) (5 . 0) (1 . 0)) . ("6/9")) ;; we don't want the '/no7'
- (((0 . 0) (2 . 0) (4 . 0) (5 . 0)) . ("6"))
- (((0 . 0) (2 . -1) (4 . 0) (5 . 0)) . ("m6"))
- (((0 . 0) (2 . 0) (4 . 0) (1 . 0)) . ("add9"))
- (((0 . 0) (2 . 0) (4 . 0) (6 . 0) (1 . 0)) . ("maj9"))
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . 0)) . ("9"))
- (((0 . 0) (2 . -1) (4 . 0) (6 . -1) (1 . 0)) . ("m9"))
-
- )
- chord::names-alist-american))
-
-;; Jazz chords, by Atte Andr'e Jensen <atte@post.com>
-;; NBs: This uses the american list as a base.
-;; Some defs take up more than one line,
-;; be carefull when messing with ;'s!!
-
-
-;; FIXME
-;;
-;; This is getting out-of hand? Only exceptional chord names that
-;; cannot be generated should be here.
-;; Maybe we should have inner-jazz-name and inner-american-name functions;
;;
-;;
-;;
-;; DONT use non-ascii characters, even if ``it works'' in Windows
-
-(define chord::names-alist-jazz '())
-(set! chord::names-alist-jazz
- (append
- '(
- ;; major chords
- ; major sixth chord = 6
- (((0 . 0) (2 . 0) (4 . 0) (5 . 0)) . (((raise . 0.5) "6")))
- ; major seventh chord = triangle
- ;; shouldn't this be a filled black triange, like this: ? --jcn
- ;; (((0 . 0) (2 . 0) (4 . 0) (6 . 0)) . (((raise . 0.5)((font-family . math) "N"))))
- (((0 . 0) (2 . 0) (4 . 0) (6 . 0)) . (((raise . 0.5)((font-family . math) "M"))))
- ; major chord add nine = add9
- (((0 . 0) (2 . 0) (4 . 0) (1 . 0)) . (((raise . 0.5) "add9")))
- ; major sixth chord with nine = 6/9
- (((0 . 0) (2 . 0) (4 . 0) (5 . 0) (1 . 0)) . (((raise . 0.5) "6/9")))
-
- ;; minor chords
- ; minor sixth chord = m6
- (((0 . 0) (2 . -1) (4 . 0) (5 . 0)) . (rows("m")((raise . 0.5) "6")))
- ;; minor major seventh chord = m triangle
- ;; shouldn't this be a filled black triange, like this: ? --jcn
- ;;(((0 . 0) (2 . -1) (4 . 0) (6 . 0)) . (rows ("m") ((raise . 0.5)((font-family . math) "N"))))
- (((0 . 0) (2 . -1) (4 . 0) (6 . 0)) . (rows ("m") ((raise . 0.5)((font-family . math) "M"))))
- ; minor seventh chord = m7
- (((0 . 0) (2 . -1) (4 . 0) (6 . -1)) . (rows("m")((raise . 0.5) "7")))
- ; minor sixth nine chord = m6/9
- (((0 . 0) (2 . -1) (4 . 0) (5 . 0) (1 . 0)) . (rows("m")((raise . 0.5) "6/9")))
- ; minor with added nine chord = madd9
- (((0 . 0) (2 . -1) (4 . 0) (1 . 0)) . (rows("m")((raise . 0.5) "add9")))
- ; minor ninth chord = m9
- (((0 . 0) (2 . -1) (4 . 0) (6 . -1) (1 . 0)) . (rows("m")((raise . 0.5) "9")))
-
- ;; dominant chords
- ; dominant seventh = 7
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1)) . (((raise . 0.5) "7")))
- ; augmented dominant = +7
- ;(((0 . 0) (2 . 0) (4 . +1) (6 . -1)) . (((raise . 0.5) "+7"))) ; +7 with both raised
- (((0 . 0) (2 . 0) (4 . +1) (6 . -1)) . (rows("+")((raise . 0.5) "7"))) ; +7 with 7 raised
- ;(((0 . 0) (2 . 0) (4 . +1) (6 . -1)) . (rows((raise . 0.5) "7(")
- ; ((raise . 0.3)(music (named ("accidentals-1"))))
- ; ((raise . 0.5) "5)"))); 7(#5)
- ; dominant flat 5 = 7(b5)
- (((0 . 0) (2 . 0) (4 . -1) (6 . -1)) . (rows((raise . 0.5) "7(")
- ((raise . 0.3)(music (named ("accidentals--1"))))
- ((raise . 0.5) "5)")))
- ; dominant 9 = 7(9)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . 0)) . (((raise . 0.8)"7(9)")))
- ; dominant flat 9 = 7(b9)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . -1)) . (
- ((raise . 0.8)"7(")
- ((raise . 0.3)(music (named ("accidentals--1"))))
- ((raise . 0.8)"9)")))
- ; dominant sharp 9 = 7(#9)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . +1)) . (
- ((raise . 0.8)"7(")
- ((raise . 0.3)(music (named ("accidentals-1"))))
- ((raise . 0.8)"9)")))
- ; dominant 13 = 7(13)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (5 . 0)) . (((raise . 0.8)"7(13)")))
- ; dominant flat 13 = 7(b13)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (5 . -1)) . (
- ((raise . 0.8)"7(")
- ((raise . 0.3)(music (named ("accidentals--1"))))
- ((raise . 0.8)"13)")))
- ; dominant 9, 13 = 7(9,13)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . 0) (5 . 0)) . (((raise . 0.8)"7(9, 13)")))
- ; dominant flat 9, 13 = 7(b9,13)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . -1) (5 . 0)) . (
- ((raise . 0.8)"7(")
- ((raise . 0.3)(music (named ("accidentals--1"))))
- ((raise . 0.8)"9, 13)")))
- ; dominant sharp 9, 13 = 7(#9,13)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . +1) (5 . 0)) . (
- ((raise . 0.8)"7(")
- ((raise . 0.3)(music (named ("accidentals-1"))))
- ((raise . 0.8)"9, 13)")))
- ; dominant 9, flat 13 = 7(9,b13)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . 0) (5 . -1)) . (
- ((raise . 0.8)"7(9, ")
- ((raise . 0.3)(music (named ("accidentals--1"))))
- ((raise . 0.8)"13)")))
- ; dominant flat 9, flat 13 = 7(b9,b13)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . -1) (5 . -1)) . (
- ((raise . 0.8)"7(")
- ((raise . 0.3)(music (named ("accidentals--1"))))
- ((raise . 0.8)"9, ")
- ((raise . 0.3)(music (named ("accidentals--1"))))
- ((raise . 0.8)"13)")))
- ; dominant sharp 9, flat 13 = 7(#9,b13)
- (((0 . 0) (2 . 0) (4 . 0) (6 . -1) (1 . +1) (5 . -1)) . (
- ((raise . 0.8)"7(")
- ((raise . 0.3)(music (named ("accidentals-1"))))
- ((raise . 0.8)"9, ")
- ((raise . 0.3)(music (named ("accidentals--1"))))
- ((raise . 0.8)"13)")))
-
- ;; diminished chord(s)
- ; diminished seventh chord = o
-
-
- ;; DONT use non-ascii characters, even if ``it works'' in Windows
-
- ;;(((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . (((raise . 0.8)"o"))); works, but "o" is a little big
- (((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . ((raise . 0.8) (size . -2) ("o")))
-
- ;; half diminshed chords
- ; half diminished seventh chord = slashed o
- (((0 . 0) (2 . -1) (4 . -1) (6 . -1)) . (((raise . 0.8)"/o")))
- ; half diminished seventh chord with major 9 = slashed o cancelation 9
- (((0 . 0) (2 . -1) (4 . -1) (6 . -1) (1 . 0)) . (
- ((raise . 0.8)"/o(")
- ((raise . 0.3)(music (named ("accidentals-0"))))
- ((raise . 0.8)"9)")));
-
-;; Missing jazz chord definitions go here (note new syntax: see american for hints)
-
- )
- chord::names-alist-american))
-
-;;;;;;;;;;
-
-
-(define (pitch->note-name pitch)
- (cons (cadr pitch) (caddr pitch)))
+;; TODO: make into markup.
+;;
+(define-public (alteration->text-accidental-markup alteration)
-(define (pitch->text pitch)
- (cons
- (make-string 1 (integer->char (+ (modulo (+ (cadr pitch) 2) 7) 65)))
- (if (= (caddr pitch) 0)
- '()
- (list
- (append '(music)
- (list
- (append '(named)
- (list
- (append '((font-relative-size . -2))
- (list (append '((raise . 0.6))
- (list
- (string-append "accidentals-"
- (number->string (caddr pitch)))))))))))))))
-
-;;; Hooks to override chord names and note names,
-;;; see input/tricks/german-chords.ly
-
-(define (pitch->text-banter pitch)
- (pitch->text pitch))
-
-(define (pitch->chord-name-text-banter pitch)
- (pitch->text-banter pitch))
-
-(define (pitch->note-name-text-banter pitch)
- (pitch->text-banter pitch))
-
-(define (step->text pitch)
- (string-append
- (number->string (+ (cadr pitch) (if (= (car pitch) 0) 1 8)))
- (case (caddr pitch)
- ((-2) "--")
- ((-1) "-")
- ((0) "")
- ((1) "+")
- ((2) "++"))))
+ (make-smaller-markup
+ (make-raise-markup
+ (if (= alteration FLAT)
+ 0.3
+ 0.6)
+ (make-musicglyph-markup
+ (assoc-get alteration standard-alteration-glyph-name-alist "")))))
-(define (step->text-banter pitch)
- (if (= (cadr pitch) 6)
- (case (caddr pitch)
- ((-2) "7-")
- ((-1) "7")
- ((0) "maj7")
- ((1) "7+")
- ((2) "7+"))
- (step->text pitch)))
-
-(define pitch::semitone-vec (list->vector '(0 2 4 5 7 9 11)))
-
-(define (pitch::semitone pitch)
- (+ (* (car pitch) 12)
- (vector-ref pitch::semitone-vec (modulo (cadr pitch) 7))
- (caddr pitch)))
-
-(define (pitch::transpose pitch delta)
- (let ((simple-octave (+ (car pitch) (car delta)))
- (simple-notename (+ (cadr pitch) (cadr delta))))
- (let ((octave (+ simple-octave (quotient simple-notename 7)))
- (notename (modulo simple-notename 7)))
- (let ((accidental (- (+ (pitch::semitone pitch) (pitch::semitone delta))
- (pitch::semitone `(,octave ,notename 0)))))
- `(,octave ,notename ,accidental)))))
-
-(define (pitch::diff pitch tonic)
- (let ((simple-octave (- (car pitch) (car tonic)))
- (simple-notename (- (cadr pitch) (cadr tonic))))
- (let ((octave (+ simple-octave (quotient simple-notename 7)
- (if (< simple-notename 0) -1 0)))
- (notename (modulo simple-notename 7)))
- (let ((accidental (- (pitch::semitone pitch)
- (pitch::semitone tonic)
- (pitch::semitone `(,octave ,notename 0)))))
- `(,octave ,notename ,accidental)))))
-
-(define (pitch::note-pitch pitch)
- (+ (* (car pitch) 7) (cadr pitch)))
-
-(define (chord::step tonic pitch)
- (- (pitch::note-pitch pitch) (pitch::note-pitch tonic)))
-
-;; text: list of word
-;; word: string + optional list of property
-;; property: align, kern, font (?), size
-
-(define chord::minor-major-vec (list->vector '(0 -1 -1 0 -1 -1 0)))
-
-;; compute the relative-to-tonic pitch that goes with 'step'
-(define (chord::step-pitch tonic step)
- ;; urg, we only do this for thirds
- (if (= (modulo step 2) 0)
- '(0 0 0)
- (let loop ((i 1) (pitch tonic))
- (if (= i step) pitch
- (loop (+ i 2)
- (pitch::transpose
- pitch `(0 2 ,(vector-ref chord::minor-major-vec
- ;; -1 (step=1 -> vector=0) + 7 = 6
- (modulo (+ i 6) 7)))))))))
-
-;; find the pitches that are not part of `normal' chord
-(define (chord::additions chord-pitches)
- (let ((tonic (car chord-pitches)))
- ;; walk the chord steps: 1, 3, 5
- (let loop ((step 1) (pitches chord-pitches) (additions '()))
- (if (pair? pitches)
- (let* ((pitch (car pitches))
- (p-step (+ (- (pitch::note-pitch pitch)
- (pitch::note-pitch tonic))
- 1)))
- ;; pitch is an addition if
- (if (or
- ;; it comes before this step or
- (< p-step step)
- ;; its step is even or
- (= (modulo p-step 2) 0)
- ;; has same step, but different accidental or
- (and (= p-step step)
- (not (equal? pitch (chord::step-pitch tonic step))))
- ;; is the last of the chord and not one of base thirds
- (and (> p-step 5)
- (= (length pitches) 1)))
- (loop step (cdr pitches) (cons pitch additions))
- (if (= p-step step)
- (loop step (cdr pitches) additions)
- (loop (+ step 2) pitches additions))))
- (reverse additions)))))
-
-;; find the pitches that are missing from `normal' chord
-(define (chord::subtractions chord-pitches)
- (let ((tonic (car chord-pitches)))
- (let loop ((step 1) (pitches chord-pitches) (subtractions '()))
- (if (pair? pitches)
- (let* ((pitch (car pitches))
- (p-step (+ (- (pitch::note-pitch pitch)
- (pitch::note-pitch tonic))
- 1)))
- ;; pitch is an subtraction if
- ;; a step is missing or
- (if (> p-step step)
- (loop (+ step 2) pitches
- (cons (chord::step-pitch tonic step) subtractions))
- ;; there are no pitches left, but base thirds are not yet done and
- (if (and (<= step 5)
- (= (length pitches) 1))
- ;; present pitch is not missing step
- (if (= p-step step)
- (loop (+ step 2) pitches subtractions)
- (loop (+ step 2) pitches
- (cons (chord::step-pitch tonic step) subtractions)))
- (if (= p-step step)
- (loop (+ step 2) (cdr pitches) subtractions)
- (loop step (cdr pitches) subtractions)))))
- (reverse subtractions)))))
-
-;; combine tonic, user-specified chordname,
-;; additions, subtractions and base or inversion to chord name
-;;
-(define (chord::inner-name-banter tonic user-name additions subtractions base-and-inversion)
- (apply append
- '(rows)
- (pitch->chord-name-text-banter tonic)
- (if user-name user-name '())
- ;; why does list->string not work, format seems only hope...
- (if (and (string-match "super" (format "~s" user-name))
- (or (pair? additions)
- (pair? subtractions)))
- '((super "/"))
- '())
- (let loop ((from additions) (to '()))
- (if (pair? from)
- (let ((p (car from)))
- (loop (cdr from)
- (append to
- (cons
- (list 'super (step->text-banter p))
- (if (or (pair? (cdr from))
- (pair? subtractions))
- '((super "/"))
- '())))))
- to))
- (let loop ((from subtractions) (to '()))
- (if (pair? from)
- (let ((p (car from)))
- (loop (cdr from)
- (append to
- (cons '(super "no")
- (cons
- (list 'super (step->text-banter p))
- (if (pair? (cdr from))
- '((super "/"))
- '())))))) ; nesting?
- to))
- (if (and (pair? base-and-inversion)
- (or (car base-and-inversion)
- (cdr base-and-inversion)))
- (cons "/" (append
- (if (car base-and-inversion)
- (pitch->note-name-text-banter
- (car base-and-inversion))
- (pitch->note-name-text-banter
- (cdr base-and-inversion)))
- '()))
- '())
- '()))
-
-(define (chord::name-banter tonic user-name pitches base-and-inversion)
- (let ((additions (chord::additions pitches))
- (subtractions (chord::subtractions pitches)))
- (chord::inner-name-banter tonic user-name additions subtractions base-and-inversion)))
-
-;; american chordnames use no "no",
-;; but otherwise very similar to banter for now
-(define (chord::name-american tonic user-name pitches base-and-inversion)
- (let ((additions (chord::additions pitches))
- (subtractions #f))
- (chord::inner-name-banter tonic user-name additions subtractions base-and-inversion)))
-
-;; Jazz style--basically similar to american with minor changes
-(define (chord::name-jazz tonic user-name pitches base-and-inversion)
- (let ((additions (chord::additions pitches))
- (subtractions #f))
- (chord::inner-name-banter tonic user-name additions subtractions base-and-inversion)))
-
-(define (new-to-old-pitch p)
- (if (pitch? p)
- (list (pitch-octave p) (pitch-notename p) (pitch-alteration p))
- #f
- ))
-
-
-
-;; C++ entry point
-;;
-;; Check for each subset of chord, full chord first, if there's a
-;; user-override. Split the chord into user-overridden and to-be-done
-;; parts, complete the missing user-override matched part with normal
-;; chord to be name-calculated.
-;;
-;; CHORD: (pitches (base . inversion))
-(define (default-chord-name-function style chord)
- (let* ((style-string (symbol->string style))
- (pitches (map new-to-old-pitch (car chord)))
- (modifiers (cdr chord))
- (base-and-inversion (if (pair? modifiers)
- (cons (new-to-old-pitch (car modifiers))
- (new-to-old-pitch (cdr modifiers)))
- '(() . ())))
- (diff (pitch::diff '(0 0 0) (car pitches)))
- (name-func
- (ly-eval (string->symbol (string-append "chord::name-" style-string))))
- (names-alist
- (ly-eval (string->symbol (string-append "chord::names-alist-" style-string)))))
- (let loop ((note-names (reverse pitches))
- (chord '())
- (user-name #f))
- (if (pair? note-names)
- (let ((entry (assoc
- (reverse
- (map (lambda (x)
- (pitch->note-name (pitch::transpose x diff)))
- note-names))
- names-alist)))
- (if entry
- ;; urg? found: break loop
- (loop '() chord (cdr entry))
- (loop (cdr note-names) (cons (car note-names) chord) #f)))
- (let* ((transposed (if pitches
- (map (lambda (x) (pitch::transpose x diff)) chord)
- '()))
- (matched (if (= (length chord) 0)
- 3
- (- (length pitches) (length chord))))
- (completed
- (append (do ((i matched (- i 1))
- (base '() (cons `(0 ,(* (- i 1) 2) 0) base)))
- ((= i 0) base)
- ())
- transposed)))
- (name-func (car pitches) user-name completed base-and-inversion))))))
-
+(define (accidental->markup alteration)
+ "Return accidental markup for ALTERATION."
+ (if (= alteration 0)
+ (make-line-markup (list empty-markup))
+ (conditional-kern-before
+ (alteration->text-accidental-markup alteration)
+ (= alteration FLAT) 0.2)))
+
+(define (accidental->markup-italian alteration)
+ "Return accidental markup for ALTERATION, for use after an italian chord root name."
+ (if (= alteration 0)
+ (make-hspace-markup 0.2)
+ (make-line-markup
+ (list
+ (make-hspace-markup (if (= alteration FLAT) 0.7 0.5))
+ (make-raise-markup 0.7 (alteration->text-accidental-markup alteration))
+ (make-hspace-markup (if (= alteration SHARP) 0.2 0.1))
+ ))))
+
+(define-public (note-name->markup pitch)
+ "Return pitch markup for PITCH."
+ (make-line-markup
+ (list
+ (make-simple-markup
+ (vector-ref #("C" "D" "E" "F" "G" "A" "B") (ly:pitch-notename pitch)))
+ (accidental->markup (ly:pitch-alteration pitch)))))
+
+(define (pitch-alteration-semitones pitch)
+ (inexact->exact (round (* (ly:pitch-alteration pitch) 2))))
+
+(define-safe-public ((chord-name->german-markup B-instead-of-Bb) pitch)
+ "Return pitch markup for PITCH, using german note names.
+ If B-instead-of-Bb is set to #t real german names are returned.
+ Otherwise semi-german names (with Bb and below keeping the british names)
+"
+ (let* ((name (ly:pitch-notename pitch))
+ (alt-semitones (pitch-alteration-semitones pitch))
+ (n-a (if (member (cons name alt-semitones) `((6 . -1) (6 . -2)))
+ (cons 7 (+ (if B-instead-of-Bb 1 0) alt-semitones))
+ (cons name alt-semitones))))
+ (make-line-markup
+ (list
+ (make-simple-markup
+ (vector-ref #("C" "D" "E" "F" "G" "A" "H" "B") (car n-a)))
+ (make-normal-size-super-markup
+ (accidental->markup (/ (cdr n-a) 2)))))))
+
+(define-safe-public (note-name->german-markup pitch)
+ (let* ((name (ly:pitch-notename pitch))
+ (alt-semitones (pitch-alteration-semitones pitch))
+ (n-a (if (member (cons name alt-semitones) `((6 . -1) (6 . -2)))
+ (cons 7 (+ 1 alt-semitones))
+ (cons name alt-semitones))))
+ (make-line-markup
+ (list
+ (string-append
+ (list-ref '("c" "d" "e" "f" "g" "a" "h" "b") (car n-a))
+ (if (or (equal? (car n-a) 2) (equal? (car n-a) 5))
+ (list-ref '( "ses" "s" "" "is" "isis") (+ 2 (cdr n-a)))
+ (list-ref '("eses" "es" "" "is" "isis") (+ 2 (cdr n-a)))))))))
+
+(define-public ((chord-name->italian-markup re-with-eacute) pitch)
+ "Return pitch markup for PITCH, using italian/french note names.
+ If re-with-eacute is set to #t, french 'ré' is returned for D instead of 're'
+"
+ (let* ((name (ly:pitch-notename pitch))
+ (alt (ly:pitch-alteration pitch)))
+ (make-line-markup
+ (list
+ (make-simple-markup
+ (vector-ref
+ (if re-with-eacute
+ #("Do" "Ré" "Mi" "Fa" "Sol" "La" "Si")
+ #("Do" "Re" "Mi" "Fa" "Sol" "La" "Si"))
+ name))
+ (accidental->markup-italian alt)
+ ))))
+
+;; fixme we should standardize on omit-root (or the other one.)
+;; perhaps the default should also be reversed --hwn
+(define-safe-public (sequential-music-to-chord-exceptions seq . rest)
+ "Transform sequential music SEQ of type <<c d e>>-\\markup{ foobar }
+to (cons CDE-PITCHES FOOBAR-MARKUP), or to (cons DE-PITCHES
+FOOBAR-MARKUP) if OMIT-ROOT is given and non-false.
+"
+
+ (define (chord-to-exception-entry m)
+ (let* ((elts (ly:music-property m 'elements))
+ (omit-root (and (pair? rest) (car rest)))
+ (pitches (map (lambda (x) (ly:music-property x 'pitch))
+ (filter
+ (lambda (y) (memq 'note-event
+ (ly:music-property y 'types)))
+ elts)))
+ (sorted (sort pitches ly:pitch<?))
+ (root (car sorted))
+
+ ;; ugh?
+ ;;(diff (ly:pitch-diff root (ly:make-pitch -1 0 0)))
+ ;; FIXME. This results in #<Pitch c> ...,
+ ;; but that is what we need because default octave for
+ ;; \chords has changed to c' too?
+ (diff (ly:pitch-diff root (ly:make-pitch 0 0 0)))
+ (normalized (map (lambda (x) (ly:pitch-diff x diff)) sorted))
+ (texts (map (lambda (x) (ly:music-property x 'text))
+ (filter
+ (lambda (y) (memq 'text-script-event
+ (ly:music-property y 'types)))
+ elts)))
+
+ (text (if (null? texts) #f (if omit-root (car texts) texts))))
+ (cons (if omit-root (cdr normalized) normalized) text)))
+
+ (define (is-event-chord? m)
+ (and
+ (memq 'event-chord (ly:music-property m 'types))
+ (not (equal? ZERO-MOMENT (ly:music-length m)))))
+
+ (let* ((elts (filter is-event-chord? (ly:music-property seq 'elements)))
+ (alist (map chord-to-exception-entry elts)))
+ (filter (lambda (x) (cdr x)) alist)))
projects / lilypond.git / blobdiff