X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fchord-name.scm;h=29ec16fc805d24ccc0cb8b57245f9d5df19eb7c5;hb=HEAD;hp=13d187fa1c342653e2db353458463b458ff726c4;hpb=f23a0d9dcda87d3f6f072fba3addeae941cce4aa;p=lilypond.git diff --git a/scm/chord-name.scm b/scm/chord-name.scm index 13d187fa1c..29ec16fc80 100644 --- a/scm/chord-name.scm +++ b/scm/chord-name.scm @@ -1,11 +1,20 @@ -;;; -;;; chord-name.scm -- chord name utility functions -;;; -;;; source file of the GNU LilyPond music typesetter -;;; -;;; (c) 2000--2004 Jan Nieuwenhuizen -;;; -;;; Han-Wen Nienhuys +;;;; This file is part of LilyPond, the GNU music typesetter. +;;;; +;;;; Copyright (C) 2000--2015 Jan Nieuwenhuizen +;;;; Han-Wen Nienhuys +;;;; +;;;; 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 . (define (natural-chord-alteration p) "Return the natural alteration for step P." @@ -13,115 +22,151 @@ FLAT 0)) +(define (conditional-string-downcase str condition) + (if condition + (string-downcase str) + str)) -;; +;; ;; TODO: make into markup. -;; +;; (define-public (alteration->text-accidental-markup alteration) + (make-smaller-markup (make-raise-markup (if (= alteration FLAT) - 0.3 - 0.6) + 0.3 + 0.6) (make-musicglyph-markup - (string-append "accidentals-" (number->string alteration)))))) - + (assoc-get alteration standard-alteration-glyph-name-alist ""))))) + (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 - ))) + (= alteration FLAT) 0.094725))) - -(define-public (note-name->markup pitch) - "Return pitch markup for PITCH." +(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) 0.57285385 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 lowercase?) + "Return pitch markup for @var{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))))) + (conditional-string-downcase + (vector-ref #("C" "D" "E" "F" "G" "A" "B") (ly:pitch-notename pitch)) + lowercase?)) + (accidental->markup (ly:pitch-alteration pitch))))) +(define (pitch-alteration-semitones pitch) + (inexact->exact (round (* (ly:pitch-alteration pitch) 2)))) -(define-public ((chord-name->german-markup B-instead-of-Bb) pitch) +(define-safe-public ((chord-name->german-markup B-instead-of-Bb) + pitch lowercase?) "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 (ly:pitch-alteration pitch)) - (n-a (if (member (cons name alt) `((6 . ,FLAT) (6 . ,DOUBLE-FLAT))) - (cons 7 (+ (if B-instead-of-Bb SEMI-TONE 0) alt)) - (cons name alt)))) + (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))) + (conditional-string-downcase + (vector-ref #("C" "D" "E" "F" "G" "A" "H" "B") (car n-a)) + lowercase?)) (make-normal-size-super-markup - (accidental->markup (cdr n-a))))))) - + (accidental->markup (/ (cdr n-a) 2))))))) -(define-public (note-name->german-markup pitch) +(define-safe-public (note-name->german-markup pitch lowercase?) (let* ((name (ly:pitch-notename pitch)) - (alt (ly:pitch-alteration pitch)) - (n-a (if (member (cons name alt) `((6 . ,FLAT) (6 . ,DOUBLE-FLAT))) - (cons 7 (+ SEMI-TONE alt)) - (cons name alt)))) + (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) ) + (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) 2) )) - (list-ref '("eses" "es" "" "is" "isis") (+ 2 (/ (cdr n-a) 2) )) - )))))) + (list-ref '( "ses" "s" "" "is" "isis") (+ 2 (cdr n-a))) + (list-ref '("eses" "es" "" "is" "isis") (+ 2 (cdr n-a))))))))) -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; +(define ((chord-name->italian-markup re-with-eacute) pitch lowercase?) + "Return pitch markup for @var{pitch}, using Italian/@/French note names. +If @var{re-with-eacute} is set to @code{#t}, french `ré' is returned for +pitch@tie{}D instead of `re'." + + (let* ((name (ly:pitch-notename pitch)) + (alt (ly:pitch-alteration pitch))) + (make-line-markup + (list + (make-simple-markup + (conditional-string-downcase + (vector-ref + (if re-with-eacute + #("Do" "Ré" "Mi" "Fa" "Sol" "La" "Si") + #("Do" "Re" "Mi" "Fa" "Sol" "La" "Si")) + name) + lowercase?)) + (accidental->markup-italian alt) + )))) +(export chord-name->italian-markup) ;; fixme we should standardize on omit-root (or the other one.) -;; perhaps the default should also be reversed --hwn -(define-public (sequential-music-to-chord-exceptions seq . rest) +;; 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:get-mus-property m 'elements)) - (omit-root (and (pair? rest) (car rest))) - (pitches (map (lambda (x) (ly:get-mus-property x 'pitch)) - (filter - (lambda (y) (memq 'note-event - (ly:get-mus-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:get-mus-property x 'text)) - (filter - (lambda (y) (memq 'text-script-event - (ly:get-mus-property y 'types))) - elts))) - - (text (if (null? texts) #f (if omit-root (car texts) texts)))) + (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-req-chord? m) + (define (is-event-chord? m) (and - (memq 'event-chord (ly:get-mus-property m 'types)) + (memq 'event-chord (ly:music-property m 'types)) (not (equal? ZERO-MOMENT (ly:music-length m))))) - (let* ((elts (filter is-req-chord? (ly:get-mus-property seq 'elements))) - (alist (map chord-to-exception-entry elts))) - (filter (lambda (x) (cdr x)) alist))) - + (let* ((elts (filter is-event-chord? (ly:music-property seq 'elements))) + (alist (map chord-to-exception-entry elts))) + (filter cdr alist)))