X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fchord-name.scm;h=7c3822304af473f2a907a12bae4d89bf4ac36a55;hb=a3d2cc305208cbf98bc6c8ab31a2db0f5bcf085b;hp=fe4ba7ab12305dc9e126abfc13e203f9bfbe4e97;hpb=7eaeba29769613cb105e71ac40a71746d1601d90;p=lilypond.git diff --git a/scm/chord-name.scm b/scm/chord-name.scm index fe4ba7ab12..7c3822304a 100644 --- a/scm/chord-name.scm +++ b/scm/chord-name.scm @@ -1,9 +1,20 @@ -;;;; chord-name.scm -- chord name utility functions +;;;; This file is part of LilyPond, the GNU music typesetter. ;;;; -;;;; source file of the GNU LilyPond music typesetter -;;;; -;;;; (c) 2000--2006 Jan Nieuwenhuizen +;;;; Copyright (C) 2000--2009 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." @@ -15,13 +26,14 @@ ;; 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 - (string-append "accidentals." (number->string alteration)))))) + (assoc-get alteration standard-alteration-glyph-name-alist ""))))) (define (accidental->markup alteration) "Return accidental markup for ALTERATION." @@ -50,36 +62,39 @@ (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 (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))) (make-normal-size-super-markup - (accidental->markup (cdr n-a))))))) + (accidental->markup (/ (cdr n-a) 2))))))) (define-safe-public (note-name->german-markup pitch) (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)) (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-public ((chord-name->italian-markup re-with-eacute) pitch) "Return pitch markup for PITCH, using italian/french note names.