/usr/share/lilypond/2.14.2/scm/chord-name.scm is in lilypond-data 2.14.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 | ;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
;;;; Copyright (C) 2000--2011 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
;;;;
;;;; 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/>.
(define (natural-chord-alteration p)
"Return the natural alteration for step P."
(if (= (ly:pitch-steps p) 6)
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)
(make-musicglyph-markup
(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)))
(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 lowercase?)
"Return pitch markup for @var{pitch}."
(make-line-markup
(list
(make-simple-markup
(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-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-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
(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) 2)))))))
(define-safe-public (note-name->german-markup pitch lowercase?)
(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 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)
))))
;; 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)))
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