X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fchord-name.scm;h=7fd484d89750289549fd0fb4a772ce3a74f7c008;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=b576c9e8d211e3805ccd8047a0cd0945e588146b;hpb=1036b837e5c947284f1b64029b912793edab3dad;p=lilypond.git diff --git a/scm/chord-name.scm b/scm/chord-name.scm index b576c9e8d2..7fd484d897 100644 --- a/scm/chord-name.scm +++ b/scm/chord-name.scm @@ -1,959 +1,148 @@ -;;; -;;; chord-name.scm -- Compile chord name -;;; -;;; source file of the GNU LilyPond music typesetter -;;; -;;; (c) 2000--2002 Jan Nieuwenhuizen -;;; - - -(use-modules - (ice-9 debug) - (ice-9 format) - (ice-9 regex) - (ice-9 string-fun) - ) - - - -;(define (dbg x) (write-me "" x)) -(define (dbg x) x) - -;;(define (write-me x) (write x) (newline) x) -;;(define (write-me-2 x y) (write "FOO") (write x) (write y) (newline) y) - - -" -TODO: - - * Use lilypond Pitch objects -- SCM pitch objects lead to - duplication. LilyPond pitch objects force meaningful names - (i.e. (ly:pitch-octave PITCH) ) - - * Pitches are musical objects. The pitches -> markup step should -happen earlier (during interpreting), brew-molecule () should only -dump reinterpret the markup as a molecule. - - * chord:: prefix is a poor-man's namespace device. - We have a module system to prevent export to userland. - Nested functions can take care of many other clashes. --hwn. - - * easier tweakability: - - - split chord::names-alists up into logical bits, - such as chord::exceptions-delta, exceptions-oslash - - iso just the 'style parameter, use a list, eg: - \property ChordNames.ChordName \set - #'style = #'(jazz delta oslash german-tonic german-Bb) - - * clean split/merge of bass/banter/american stuff. - GET RID OF code duplication. - - * fix FIXMEs - - * doc strings - -" - -;; " hey Emacs: string has ended - - -;; pitch = (octave notename alteration) -;; -;; note = (notename . alteration) -;; -;; markup = markup text -- see font.scm and input/test/markup.ly - - -(define-public chord::exception-alist-banter - `( - ; C iso C.no3.no5 - (((0 . 0)) . ,empty-markup) - ; C iso C.no5 - (((0 . 0) (2 . 0)) . ,empty-markup) - ; Cm iso Cm.no5 - (((0 . 0) (2 . -1)) . ,(make-simple-markup "m")) - ; C2 iso C2.no3 - (((0 . 0) (1 . 0) (4 . 0)) - . ,(make-normal-size-super-markup (make-simple-markup "2 "))) - ; C4 iso C4.no3 - (((0 . 0) (3 . 0) (4 . 0)) - . ,(make-normal-size-super-markup (make-simple-markup "4 "))) - ;; Cdim iso Cm5- - (((0 . 0) (2 . -1) (4 . -1)) . ,(make-simple-markup "dim")) - ; URG: Simply C:m5-/maj7 iso Cdim maj7 - (((0 . 0) (2 . -1) (4 . -1) (6 . 0)) - . ,(make-line-markup - (list - (make-simple-markup "m") - (make-normal-size-super-markup (make-simple-markup "5-/maj7 "))))) - ; URG: Simply C:m5-/7 iso Cdim7 - (((0 . 0) (2 . -1) (4 . -1) (6 . -1)) - . ,(make-line-markup - (list - (make-simple-markup "m") - (make-normal-size-super-markup (make-simple-markup "5-/7 "))))) - ; Co iso C:m5-/7- - (((0 . 0) (2 . -1) (4 . -1) (6 . -2)) - . ,(make-super-markup (make-simple-markup "o"))) - ; Cdim9 - (((0 . 0) (2 . -1) (4 . -1) (6 . -2) (1 . -1)) - . ,(make-line-markup - (list (make-simple-markup "dim") - (make-normal-size-super-markup (make-simple-markup "9 "))))) - (((0 . 0) (2 . -1) (4 . -1) (6 . -2) (1 . -1) (3 . -1)) - . ,(make-line-markup - (list (make-simple-markup "dim") - (make-normal-size-super-markup - (make-simple-markup "11 "))))) - - )) - -; pitch->note-name: drops octave -(define (pitch->note-name pitch) - (cons (cadr pitch) (caddr pitch))) - -(define (old-accidental->markup acc) - "ACC is an int, return a markup making an accidental." - (if (= acc 0) - (make-line-markup (list empty-markup)) - (make-smaller-markup (make-musicglyph-markup - (string-append "accidentals-" - (number->string acc)))))) - - -; unused. - -;; FIXME: possibly to be used for american/jazz style -;; However, only pos == columns is used, which seems to do -;; exactly what old-accidental->markup does... -(define (amy-accidental->text acc) (accidental->textp acc 'columns)) - - -;; These not used -;;;(define (accidental->text-super acc) (accidental->textp acc 'simple-super)) -;;(define (accidental->text-super acc) (accidental->textp acc 'super)) -;;(define (accidental->text-sub acc) (accidental->textp acc 'sub)) - - -;; -;; TODO: invent sensible way to make note name tweaking possible? -;; -(define (old-pitch->markup pitch) - (make-line-markup - (list - (make-simple-markup - (vector-ref #("C" "D" "E" "F" "G" "A" "B") (cadr pitch))) - (make-normal-size-super-markup - (old-accidental->markup (caddr pitch)))))) +;;;; 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)) + +;; +;; TODO: make into markup. +;; +(define-public (alteration->text-accidental-markup alteration) -;;; Hooks to override chord names and note names, -;;; see input/tricks/german-chords.ly - -(define old-pitch->markup-banter old-pitch->markup) - -;; We need also steps, to allow for Cc name override, -;; see input/test/Cc-chords.ly -(define (pitch->chord-name-markup-banter pitch steps) - (old-pitch->markup-banter pitch)) - -(define pitch->note-name-markup-banter old-pitch->markup-banter) - -(define (step->markup 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->markup-banter pitch) - (make-simple-markup - (if (= (cadr pitch) 6) - (case (caddr pitch) - ((-2) "7-") - ((-1) "7") - ((0) "maj7") - ((1) "7+") - ((2) "7+")) - (step->markup pitch)))) +(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 (step->markup-previously-alternate-jazz pitch) +(define-public (note-name->markup pitch) + "Return pitch markup for PITCH." (make-line-markup (list - (old-accidental->markup (caddr pitch)) (make-simple-markup - (number->string (+ (cadr pitch) (if (= (car pitch) 0) 1 8))))))) - -(define (step->markup-previously-jazz pitch) - (if (= (cadr pitch) 6) - (case (caddr pitch) - ;; sharp 7 only included for completeness? - ((-2) (make-line-markup - (list - (old-accidental->markup -1) - (make-simple-markup "7")))) - ((-1) (make-simple-markup "7")) - ((0) (make-simple-markup "maj7")) - ;;((0) (make-line-markup - ;; (list (make-simple-markup "maj7")))) - ((1) (make-line-markup - (list - (old-accidental->markup 1) (make-simple-markup "7")))) - ((2) (make-line-markup - (list (old-accidental->markup 1) - (make-simple-markup "7"))))) - (step->markup-previously-alternate-jazz pitch))) - + (vector-ref #("C" "D" "E" "F" "G" "A" "B") (ly:pitch-notename pitch))) + (accidental->markup (ly:pitch-alteration pitch))))) -(define pitch::semitone-vec #(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::< l r) - (< (pitch::semitone l) (pitch::semitone r))) - -(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))) - - -; what's this? -(define chord::minor-major-vec #(0 -1 -1 0 -1 -1 0)) - -;; FIXME: unLOOP -;; 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))))))))) - -(define (chord::additions steps) -" Return: - * any even step (2, 4, 6) - * any uneven step that is chromatically altered, - (where 7-- == -1, 7- == 0, 7 == +1) - * highest step - -?and jazz needs also: - - * TODO: any uneven step that's lower than an uneven step which is - chromatically altered - " - (let ((evens (filter-list (lambda (x) (!= 0 (modulo (cadr x) 2))) steps)) - (altered-unevens - (filter-list (lambda (x) - (let ((n (cadr x)) (a (caddr x))) - (or (and (= 6 n) (!= -1 a)) - (and (!= 6 n) - (= 0 (modulo n 2)) - (!= 0 a))))) - steps)) - (highest (let ((h (car (last-pair steps)))) - (if (and (not (null? h)) - (or (> 4 (cadr h)) - (!= 0 (caddr h)))) - (list (list h)) - '())))) - ;; Hmm, what if we have a step twice, can we ignore that? - (uniq-list (sort (apply append evens altered-unevens highest) - pitch::<)))) - - -;; FIXME: unLOOP, see ::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))))) - -(define (chord::additions->markup-banter additions subtractions) - (if (pair? additions) - (make-line-markup - (list - (let ((step (step->markup-banter (car additions)))) - (if (or (pair? (cdr additions)) - (pair? subtractions)) - (make-line-markup - (list step (make-simple-markup "/"))) - step)) - (chord::additions->markup-banter (cdr additions) subtractions))) - empty-markup)) - -(define (chord::subtractions->markup-banter subtractions) - (if (pair? subtractions) - (make-line-markup - (list - (make-simple-markup "no") - (let ((step (step->markup-previously-jazz - (car subtractions)))) - (if (pair? (cdr subtractions)) - (make-line-markup - (list step (make-simple-markup "/"))) - step)) - (chord::subtractions->markup-banter (cdr subtractions)))) - empty-markup)) - -(define (chord::bass-and-inversion->markup-banter bass-and-inversion) - (if (and (pair? bass-and-inversion) - (or (car bass-and-inversion) - (cdr bass-and-inversion))) - (make-line-markup - (list - (make-simple-markup "/") - (pitch->note-name-markup-banter - (if (car bass-and-inversion) - (car bass-and-inversion) - (cdr bass-and-inversion))))) - empty-markup)) - -;; FIXME: merge this function with inner-name-jazz, -american -;; iso using chord::bass-and-inversion->markup-banter, -;; See: chord::exceptions-lookup -(define (chord::inner-name-banter tonic exception-part additions subtractions - bass-and-inversion steps) - " - - Banter style - Combine tonic, exception-part of chord name, - additions, subtractions and bass or inversion into chord name +(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* ((tonic-markup (pitch->chord-name-markup-banter tonic steps)) - (except-markup (if exception-part exception-part empty-markup)) - ;; UGR. How do we know if we should add a separator or not? - ;; maybe just add extra column to exception list? - (sep-markup (if (and exception-part - (let ((s (format "~s" except-markup))) - (and - (string-match "super" s) - ;; ugh ugh - ;; python: `except_markup`[-5:] != '"o"))' - (not (equal? - "\"o\"))" - (substring s - (- (string-length s) 5)))))) - (or (pair? additions) - (pair? subtractions))) - (make-super-markup (make-simple-markup "/")) - empty-markup)) - (adds-markup (chord::additions->markup-banter additions subtractions)) - (subs-markup (chord::subtractions->markup-banter subtractions)) - (b+i-markup (chord::bass-and-inversion->markup-banter - bass-and-inversion))) - + (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 - tonic-markup - except-markup - sep-markup + (make-simple-markup + (vector-ref #("C" "D" "E" "F" "G" "A" "H" "B") (car n-a))) (make-normal-size-super-markup - (make-line-markup (list adds-markup subs-markup))) - b+i-markup)))) - -(define (c++-pitch->scm p) - (if (ly:pitch? p) - (list (ly:pitch-octave p) (ly:pitch-notename p) (ly:pitch-alteration p)) - #f)) - -(define (chord::name-banter tonic exception-part unmatched-steps - bass-and-inversion steps) - (let ((additions (chord::additions unmatched-steps)) - (subtractions (chord::subtractions unmatched-steps))) - - (chord::inner-name-banter tonic exception-part additions subtractions - bass-and-inversion steps))) - - -;; see above. -(define (chord::exceptions-lookup exceptions steps) - " - return (MATCHED-EXCEPTION . BASE-CHORD-WITH-UNMATCHED-STEPS) - BASE-CHORD-WITH-UNMATCHED-STEPS always includes (tonic 3 5) - -" - ;; this is unintelligible. - ;; - (define (chord::exceptions-lookup-helper - exception-alist try-steps unmatched-steps exception-part) - " - - check exception-alist for biggest matching part of try-steps - return (MATCHED-EXCEPTION . UNMATCHED-STEPS) - -" - (if (pair? try-steps) - ;; FIXME: junk '(0 . 0) from exceptions lists? - ;; if so: how to handle first '((0 . 0) . #f) entry? - ;; - ;; FIXME: either format exceptions list as real pitches, ie, - ;; including octave '((0 2 -1) ..), or drop octave - ;; from rest of calculations, - (let ((entry (assoc - (map (lambda (x) (pitch->note-name x)) - (append '((0 0 0)) try-steps)) - exception-alist))) - (if entry - (chord::exceptions-lookup-helper - #f '() unmatched-steps (cdr entry)) - (let ((r (reverse try-steps))) - (chord::exceptions-lookup-helper - exception-alist - (reverse (cdr r)) - (cons (car r) unmatched-steps) #f)))) - (cons exception-part unmatched-steps))) - - (let* ((result (chord::exceptions-lookup-helper - exceptions - steps '() #f)) - (exception-part (car result)) - (unmatched-steps (cdr result)) - (matched-steps (if (= (length unmatched-steps) 0) - 3 - (+ 1 (- (length steps) - (length unmatched-steps))))) - (unmatched-with-1-3-5 - (append (do ((i matched-steps (- i 1)) - (base '() (cons `(0 ,(* (- i 1) 2) 0) base))) - ((= i 0) base) - ()) - unmatched-steps))) - (list exception-part unmatched-with-1-3-5))) - - - -;;; American style -;;; - -;; See input/test/american-chords.ly -;; -;; Original Version by James Hammons, -;; Complete rewrite by Amelie Zapf, - -;; DONT use non-ascii characters, even if ``it works'' in Windows - -;;a white triangle -(define mathm-markup-object - (make-override-markup '(font-family . math) (make-simple-markup "M"))) - -;a black triangle -(define mathn-markup-object - (make-override-markup '(font-family . math) (make-simple-markup "N"))) - -(define (step->markup-accidental pitch) - (make-line-markup - (list - (case (caddr pitch) - ((-2) (old-accidental->markup -2)) - ((-1) (old-accidental->markup -1)) - ((0) empty-markup) - ((1) (old-accidental->markup 1)) - ((2) (old-accidental->markup 2))) - (make-simple-markup (number->string (+ (cadr pitch) (if (= (car pitch) 0) 1 8))))))) - -(define-public chord::exception-alist-american - `( - (((0 . 0)) . ,empty-markup) - (((0 . 0) (2 . -1)) . ,(make-simple-markup "m")) - - ;; these should probably be normal-size? --jcn - ;;(((0 . 0) (4 . 0)) . ,(make-super-markup (make-simple-markup "5 "))) - ;;(((0 . 0) (1 . 0) (4 . 0)) . ,(make-super-markup (make-simple-markup "2 "))) - - (((0 . 0) (4 . 0)) . ,(make-normal-size-super-markup (make-simple-markup "5 "))) - (((0 . 0) (1 . 0) (4 . 0)) . ,(make-normal-size-super-markup (make-simple-markup "2 "))) - - ;;choose your symbol for the fully diminished chord - (((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . ,(make-simple-markup "dim")) - ;;(((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . ,(make-line-markup (list empty-markup (make-super-markup (make-simple-markup "o"))))) - )) - -(define (step->markup-american pitch) - (case (cadr pitch) - ((6) (case (caddr pitch) - ((-2) (make-line-markup (list (old-accidental->markup -1) (make-simple-markup "7")))) - ((-1) (make-simple-markup "7")) - ((0) (make-simple-markup "maj7")) - ((1) (make-line-markup (list (old-accidental->markup 1) (make-simple-markup "7")))) - ((2) (make-line-markup (list (old-accidental->markup 2) (make-simple-markup "7")))))) - ((4) (case (caddr pitch) - ((-2) (make-line-markup (list (old-accidental->markup -2) (make-simple-markup "5")))) - ;;choose your symbol for the diminished fifth - ((-1) (make-simple-markup "-5")) - ;;((-1) (make-line-markup (list (old-accidental->markup -1) (make-simple-markup "5"))))) - ((0) empty-markup) - ;;choose your symbol for the augmented fifth - ;;((1) (make-simple-markup "aug")) - ;;((1) (make-line-markup (list (old-accidental->markup 1) (make-simple-markup "5"))))) - ((1) (make-simple-markup "+5")) - ((2) (make-line-markup (list (old-accidental->markup 2) (make-simple-markup "5")))))) - (else (if (and (= (car pitch) 0) - (= (cadr pitch) 3) - (= (caddr pitch) 0)) - (make-simple-markup "sus4") - (step->markup-accidental pitch))))) - -(define (chord::additions->markup-american additions subtractions) - (if (pair? additions) - ;; I don't like all this reasoning here, when we're actually typesetting. - (if(and(pair? (cdr additions)) ;a further addition left over - (or(and(= 0 (caddr(car additions))) ;this addition natural - (not(= 6 (cadr(car additions))))) - (and(= -1 (caddr(car additions))) - (= 6 (cadr(car additions))))) - (or(and(= 0 (caddr(cadr additions))) ;the following addition natural - (not(= 6 (cadr(cadr additions))))) - (and(= -1 (caddr(cadr additions))) - (= 6 (cadr(cadr additions))))) - (or(and(= (car(car additions)) (car(cadr additions))) ;both a third apart - (= 2 (- (cadr(cadr additions)) (cadr(car additions))))) - (and(= 1 (- (car(cadr additions)) (car(car additions)))) - (= 5 (- (cadr(car additions)) (cadr(cadr additions)))))) - (or(null? subtractions) ;this or clause protects the "adds" - (and (pair? subtractions) - (or (< (car(cadr additions)) (car(car subtractions))) - (and(= (car(cadr additions)) (car(car subtractions))) - (< (cadr(cadr additions)) (cadr(car subtractions)))))))) - (chord::additions->markup-american (cdr additions) subtractions) - (make-line-markup - (list - (let ((step (step->markup-american (car additions)))) - (if (or (pair? (cdr additions)) - (pair? subtractions)) - (if (and (pair? (cdr additions)) - (or(< 3 (- (cadr(cadr additions)) (cadr(car additions)))) - (and(< 0 (- (car(cadr additions)) (car(car additions)))) - (> 4 (- (cadr(car additions)) (cadr(cadr additions))))))) - (make-line-markup (list step (make-simple-markup " add"))) - ;; tweak your favorite separator here - ;; (make-line-markup (list step (make-simple-markup "/"))) - (make-line-markup (list step (make-simple-markup " ")))) - step)) - (chord::additions->markup-american (cdr additions) subtractions)))) - empty-markup)) - -(define (chord::inner-name-american tonic exception-part additions subtractions - bass-and-inversion steps) - (let* ((tonic-markup (pitch->chord-name-markup-banter tonic steps)) - (except-markup (if exception-part exception-part empty-markup)) - ;; UGR. How do we know if we should add a separator or not? - ;; maybe just add extra column to exception list? - (sep-markup (if (and exception-part - (let ((s (format "~s" except-markup))) - (and - (string-match "super" s) - ;; ugh ugh - ;; python: `except_markup`[-7:] != '"o"))' - (not (equal? - "\"o\"))))" - (substring s - (- (string-length s) 7)))))) - (or (pair? additions) - (pair? subtractions))) - (make-super-markup (make-simple-markup "/")) - empty-markup)) - ;;this list contains all the additions that go "in line" - (prefixes - (filter-list - (lambda (x) - (let ((o (car x)) (n (cadr x)) (a (caddr x))) - (and (not (and (= 0 o) (= 2 n))) ;gets rid of unwanted thirds - ;;change this if you want it differently - (not (and (= 0 o) (= 3 n) (= 0 a))) ;sus4 - (not (and (= 0 o) (= 4 n) (!= 0 a)))))) ;alt5 - additions)) - ;;this list contains all the additions that are patched onto the end - ;;of the chord symbol, usually sus4 and altered 5ths. - (suffixes - ;;take out the reverse if it bothers you in a pathological chord - (reverse - (filter-list - (lambda (x) - (let ((o (car x)) (n (cadr x)) (a (caddr x))) - (and(not (and (= 0 o) (= 2 n))) ;gets rid of unwanted thirds - ;;change this correspondingly - (or(and (= 0 o) (= 3 n) (= 0 a)) ;sus4 - (and (= 0 o) (= 4 n) (!= 0 a)))))) ;alt5 - additions))) - (relevant-subs (filter-list - (lambda (x) ;catches subtractions higher than 5th - (let((o (car x)) (n (cadr x))) - (or (> o 0) - (> n 4)))) - subtractions)) - (pref-markup (chord::additions->markup-american prefixes relevant-subs)) - (suff-markup (chord::additions->markup-american suffixes relevant-subs)) - (b+i-markup (chord::bass-and-inversion->markup-banter bass-and-inversion))) + (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 - tonic-markup except-markup sep-markup - (make-normal-size-super-markup - (make-line-markup (list pref-markup suff-markup))) - b+i-markup)))) - -(define (chord::additions-american steps) - (let ((evens (filter-list (lambda (x) (!= 0 (modulo (cadr x) 2))) steps)) - ;we let all the unevens pass for now, we'll fix that later. - (unevens - (filter-list (lambda (x) - (let ((n (cadr x)) (a (caddr x))) - (or (and (= 6 n) (!= -1 a)) - (and (< 3 n) - (= 0 (modulo n 2)))))) - steps)) - (highest (let ((h (car (last-pair steps)))) - (if (and (not (null? h)) - (or (> 4 (cadr h)) - (!= 0 (caddr h)))) - (list (list h)) - '())))) - (uniq-list (sort (apply append evens unevens highest) - pitch::<)))) - - ;; American style chordnames use no "no", - ;; but otherwise very similar to banter for now - (define-public (chord::name-american tonic exception-part unmatched-steps - bass-and-inversion steps) - (let ((additions (chord::additions-american unmatched-steps)) - (subtractions (chord::subtractions unmatched-steps))) - (chord::inner-name-american tonic exception-part additions subtractions - bass-and-inversion steps))) - - ;;; Jazz style - ;;; -;; Jazz chords, by Atte Andr'e Jensen -;; Complete rewrite by Amelie Zapf (amy@loueymoss.com) - -;; FIXME: identical to chord::exception-alist-american, apart from commented -;; dim chord. should merge. -(define-public chord::exception-alist-jazz - `( - (((0 . 0)) . ,empty-markup) - (((0 . 0) (2 . -1)) . ,(make-simple-markup "m")) - - ;; these should probably be normal-size? --jcn - ;;(((0 . 0) (4 . 0)) . ,(make-super-markup (make-simple-markup "5 "))) - ;;(((0 . 0) (1 . 0) (4 . 0)) . ,(make-super-markup (make-simple-markup "2 "))) - - (((0 . 0) (4 . 0)) . ,(make-normal-size-super-markup (make-simple-markup "5 "))) - (((0 . 0) (1 . 0) (4 . 0)) . ,(make-normal-size-super-markup (make-simple-markup "2 "))) - - ;;choose your symbol for the fully diminished chord - ;;(((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . ,(make-simple-markup "dim")) - (((0 . 0) (2 . -1) (4 . -1) (6 . -2)) . ,(make-line-markup (list (make-simple-markup "") (make-super-markup (make-simple-markup "o"))))) - )) - -;; FIXME: rather similar to step->markup-american. should merge. -(define (step->markup-jazz pitch) - (case (cadr pitch) - ((6) (case (caddr pitch) - ((-2) (make-line-markup (list (old-accidental->markup -1) (make-simple-markup "7")))) - ((-1) (make-simple-markup "7")) - ;;Pick your favorite maj7 - ((0) mathm-markup-object) ;;a white triangle - ;;((0) mathn-markup-object) ;;a black triangle - ;;((0) (make-simple-markup "maj7")) ;;good old maj7 - ((1) (make-line-markup (list (old-accidental->markup 1) (make-simple-markup "7")))) - ((2) (make-line-markup (list (old-accidental->markup 2) (make-simple-markup "7")))))) - ((4) (case (caddr pitch) - ((-2) (make-line-markup (list (old-accidental->markup -2) (make-simple-markup "5")))) - ;;choose your symbol for the diminished fifth - ;;((-1) (make-simple-markup "-5")) - ((-1) (make-line-markup (list (old-accidental->markup -1) (make-simple-markup "5")))) - ((0) empty-markup) - ;;choose your symbol for the augmented fifth - ;;((1) (make-simple-markup "aug")) - ((1) (make-line-markup (list (old-accidental->markup 1) (make-simple-markup "5")))) - ;;((1) (make-simple-markup "+5")) - ((2) (make-line-markup (list (old-accidental->markup 2) (make-simple-markup "5")))))) - (else (if (and (= (car pitch) 0) - (= (cadr pitch) 3) - (= (caddr pitch) 0)) - (make-simple-markup "sus4") - (step->markup-accidental pitch))))) - -;; FIXME: identical to chord::additions->markup-american, -;; except for -jazz / -american suffixes on calls -(define (chord::additions->markup-jazz additions subtractions) - (if (pair? additions) - ;; I don't like all this reasoning here, when we're actually typesetting. - (if(and(pair? (cdr additions)) ;a further addition left over - (or(and(= 0 (caddr(car additions))) ;this addition natural - (not(= 6 (cadr(car additions))))) - (and(= -1 (caddr(car additions))) - (= 6 (cadr(car additions))))) - (or(and(= 0 (caddr(cadr additions))) ;the following addition natural - (not(= 6 (cadr(cadr additions))))) - (and(= -1 (caddr(cadr additions))) - (= 6 (cadr(cadr additions))))) - (or(and(= (car(car additions)) (car(cadr additions))) ;both a third apart - (= 2 (- (cadr(cadr additions)) (cadr(car additions))))) - (and(= 1 (- (car(cadr additions)) (car(car additions)))) - (= 5 (- (cadr(car additions)) (cadr(cadr additions)))))) - (or(null? subtractions) ;this or clause protects the "adds" - (and (pair? subtractions) - (or (< (car(cadr additions)) (car(car subtractions))) - (and(= (car(cadr additions)) (car(car subtractions))) - (< (cadr(cadr additions)) (cadr(car subtractions)))))))) - (chord::additions->markup-jazz (cdr additions) subtractions) - (make-line-markup - (list - (let ((step (step->markup-jazz (car additions)))) - (if (or (pair? (cdr additions)) - (pair? subtractions)) - (if (and (pair? (cdr additions)) - (or(< 3 (- (cadr(cadr additions)) (cadr(car additions)))) - (and(< 0 (- (car(cadr additions)) (car(car additions)))) - (> 4 (- (cadr(car additions)) (cadr(cadr additions))))))) - (make-line-markup (list step (make-simple-markup " add"))) - ;; tweak your favorite separator here - ;; (make-line-markup (list step (make-simple-markup "/"))) - (make-line-markup (list step (make-simple-markup " ")))) - step)) - (chord::additions->markup-jazz (cdr additions) subtractions)))) - empty-markup)) - -;; FIXME: identical to chord::additions->markup-american. -;; except for -jazz / -american suffixes on calls -(define (chord::inner-name-jazz tonic exception-part additions subtractions - bass-and-inversion steps) - (let* ((tonic-markup (pitch->chord-name-markup-banter tonic steps)) - (except-markup (if exception-part exception-part empty-markup)) - ;; UGR. How do we know if we should add a separator or not? - ;; maybe just add extra column to exception list? - (sep-markup (if (and exception-part - (let ((s (format "~s" except-markup))) - (and - (string-match "super" s) - ;; ugh ugh - ;; python: `except_markup`[-7:] != '"o"))' - (not (equal? - "\"o\"))))" - (substring s - (- (string-length s) 7)))))) - (or (pair? additions) - (pair? subtractions))) - (make-super-markup (make-simple-markup "/")) - empty-markup)) - ;;this list contains all the additions that go "in line" - (prefixes - (filter-list - (lambda (x) - (let ((o (car x)) (n (cadr x)) (a (caddr x))) - (and (not (and (= 0 o) (= 2 n))) ;gets rid of unwanted thirds - ;;change this if you want it differently - (not (and (= 0 o) (= 3 n) (= 0 a))) ;sus4 - (not (and (= 0 o) (= 4 n) (!= 0 a)))))) ;alt5 - additions)) - ;;this list contains all the additions that are patched onto the end - ;;of the chord symbol, usually sus4 and altered 5ths. - (suffixes - ;;take out the reverse if it bothers you in a pathological chord - (reverse - (filter-list - (lambda (x) - (let ((o (car x)) (n (cadr x)) (a (caddr x))) - (and(not (and (= 0 o) (= 2 n))) ;gets rid of unwanted thirds - ;;change this correspondingly - (or(and (= 0 o) (= 3 n) (= 0 a)) ;sus4 - (and (= 0 o) (= 4 n) (!= 0 a)))))) ;alt5 - additions))) - (relevant-subs (filter-list - (lambda (x) ;catches subtractions higher than 5th - (let((o (car x)) (n (cadr x))) - (or (> o 0) - (> n 4)))) - subtractions)) - (pref-markup (chord::additions->markup-jazz prefixes relevant-subs)) - (suff-markup (chord::additions->markup-jazz suffixes relevant-subs)) - (b+i-markup (chord::bass-and-inversion->markup-banter bass-and-inversion))) + (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 - tonic-markup except-markup sep-markup - (make-normal-size-super-markup - (make-line-markup (list pref-markup suff-markup))) - b+i-markup)))) - -(define (chord::name-jazz tonic exception-part unmatched-steps - bass-and-inversion steps) - (let ((additions (chord::additions-american unmatched-steps)) - (subtractions (chord::subtractions unmatched-steps))) - (chord::inner-name-jazz tonic exception-part additions subtractions - bass-and-inversion steps))) - - -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; - - -(define-public (new-chord->markup func ly-pitches bass inversion context) - "Entry point for New_chord_name_engraver. See chord-name.scm for the -signature of FUNC. LY-PITCHES, BASS and INVERSION are lily -pitches. EXCEPTIONS is an alist (see scm file). - " - - (let* ((pitches (map c++-pitch->scm ly-pitches)) - (exceptions (ly:get-context-property context 'chordNameExceptions)) - (bass-and-inversion - (cons (c++-pitch->scm bass) - (c++-pitch->scm inversion))) - (diff (pitch::diff '(0 0 0) (car pitches))) - (steps (if (cdr pitches) (map (lambda (x) - (pitch::transpose x diff)) - (cdr pitches)) - '())) - (lookup (dbg (chord::exceptions-lookup exceptions steps))) - (exception-part (dbg (car lookup))) - (unmatched-steps (cadr lookup)) - (tonic (car pitches)) - ) - - (func tonic exception-part unmatched-steps bass-and-inversion steps) - )) - -(define-public (chord->markup-jazz . args) - (apply new-chord->markup (cons chord::name-jazz args)) - ) - -(define-public (chord->markup-american . args) - (apply new-chord->markup (cons chord::name-american args)) - ) - -(define-public (chord->markup-banter . args) - (apply new-chord->markup (cons chord::name-banter args)) - ) - -(define-public (new-chord-name-brew-molecule grob) - (let* - ( - (ws (ly:get-grob-property grob 'word-space)) - (markup (ly:get-grob-property grob 'text)) - (molecule (interpret-markup grob - (cons '((word-space . 0.0)) - (Font_interface::get_property_alist_chain grob)) - markup)) - ) - - ;; - ;; chord names aren't in staffs, so WS is in global staff space. - (if (number? ws) - (ly:combine-molecule-at-edge - molecule - X RIGHT (ly:make-molecule "" (cons 0 ws) '(-1 . 1) ) - 0.0) - molecule) - )) - -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; - -(define-public (set-chord-name-style sym) - "Return music expressions that set the chord naming style. For -inline use in .ly file" - - (define (chord-name-style-setter function exceptions) - (context-spec-music - (make-sequential-music - (list (make-property-set 'chordNameFunction function) - (make-property-set 'chordNameExceptions exceptions))) - "ChordNames" - ) - ) - - (ly:export - (case sym - ((jazz) - (chord-name-style-setter chord->markup-jazz - chord::exception-alist-jazz)) - ((banter) - (chord-name-style-setter chord->markup-banter - chord::exception-alist-banter)) - ((american) - (chord-name-style-setter chord->markup-american - chord::exception-alist-american)) - - ((ignatzek) - (chord-name-style-setter ignatzek-chord-names - '())) - ((double-plus-new-banter) - (chord-name-style-setter double-plus-new-chord->markup-banter - chord::exception-alist-banter)) - - ((double-plus-new-jazz) - (chord-name-style-setter double-plus-new-chord->markup-jazz - chord::exception-alist-jazz)) - ))) - -;; can't put this in double-plus-new-chord-name.scm, because we can't -;; ly:load that very easily. -(define-public (set-double-plus-new-chord-name-style style options) - "Return music expressions that set the chord naming style. For -inline use in .ly file" - - (define (chord-name-style-setter function) - (context-spec-music - (make-sequential-music - (list (make-property-set 'chordNameFunction function) - - ;; urg , misuse of chordNameExceptions function. - (make-property-set 'chordNameExceptions options))) - "ChordNames")) + (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. +" - (ly:export - (case style - ((banter) - (chord-name-style-setter double-plus-new-chord->markup-banter)) - - ((jazz) - (chord-name-style-setter double-plus-new-chord->markup-jazz))))) + (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)))