-;;;
-;;; chord-name.scm -- chord name utility functions
-;;;
-;;; source file of the GNU LilyPond music typesetter
-;;;
-;;; (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;
-;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; This file is part of LilyPond, the GNU music typesetter.
+;;;;
+;;;; Copyright (C) 2000--2015 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."
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 <<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: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<?))
- (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: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<?))
+ (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-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)))
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