X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fchord-name.scm;h=7fd484d89750289549fd0fb4a772ce3a74f7c008;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=8261fe0b3ca38554e239c6a050718c537c536b56;hpb=b9c65b122d107a6f7c1a44d3041f6cfeb78fc4a2;p=lilypond.git diff --git a/scm/chord-name.scm b/scm/chord-name.scm index 8261fe0b3c..7fd484d897 100644 --- a/scm/chord-name.scm +++ b/scm/chord-name.scm @@ -1,548 +1,148 @@ -;;; -;;; chord-name.scm -- Compile chord name -;;; -;;; source file of the GNU LilyPond music typesetter -;;; -;;; (c) 2000--2001 Jan Nieuwenhuizen -;;; +;;;; chord-name.scm -- chord name utility functions +;;;; +;;;; source file of the GNU LilyPond music typesetter +;;;; +;;;; (c) 2000--2008 Jan Nieuwenhuizen +;;;; Han-Wen Nienhuys + +(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) - (ice-9 format) - (ice-9 regex) - (ice-9 string-fun) - ) - -;; -;; (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- - (((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, -;; - -;; 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)) . ("" (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 . -1) (4 . -1) (6 . -1)) . (rows ((raise . 1) "o") (((kern . -0.85) (raise . 1.1) (font-relative-size . -2)) "/") "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 -;; 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) (size . -2) ("o"))) - (((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . ("" (super "o"))) - - ;; half diminshed chords - ;; half diminished seventh chord = slashed o - ;; (((0 . 0) (2 . -1) (4 . -1) (6 . -1)) . (((raise . 0.8) "/o"))) - (((0 . 0) (2 . -1) (4 . -1) (6 . -1)) . (rows ((raise . 1) "o") (((kern . -0.85) (raise . 1.1) (font-relative-size . -2)) "/") "7")) ; slashed 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 (accidental->text acc) - (if (= acc 0) - '() - (list - (append '(music) - (list - (append '(named) - (list - (append '((font-relative-size . -2)) - (list (append '((raise . 0.6)) - (list - (string-append "accidentals-" - (number->string acc)))))))))))) -) - -(define (pitch->text pitch) - (cons - (make-string 1 (integer->char (+ (modulo (+ (cadr pitch) 2) 7) 65))) - (accidental->text (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 <>-\\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 ..., + ;; 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)))