;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2007 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
;; (use-modules (ice-9 optargs))
'grob-property gprop))
(define direction-polyphonic-grobs
- '(Stem Tie Rest Slur PhrasingSlur Script TextScript Dots DotColumn Fingering))
+ '(DotColumn
+ Dots
+ Fingering
+ LaissezVibrerTie
+ PhrasingSlur
+ RepeatTie
+ Rest
+ Script
+ Slur
+ Stem
+ TextScript
+ Tie))
(define-safe-public (make-voice-props-set n)
(make-sequential-music
"Either reset middleCPosition to the stored original, or remember
old middleCPosition, add OCTAVATION to middleCPosition, and set
OTTAVATION to `8va', or whatever appropriate."
- (if (number? (ly:context-property context 'middleCPosition))
- (begin
- (if (number? (ly:context-property context 'originalMiddleCPosition))
- (let ((where (ly:context-property-where-defined context 'middleCPosition)))
-
- (ly:context-set-property! context 'middleCPosition
- (ly:context-property context 'originalMiddleCPosition))
- (ly:context-unset-property where 'originalMiddleCPosition)
- (ly:context-unset-property where 'ottavation)))
-ot
- (let* ((where (ly:context-property-where-defined context 'middleCPosition))
- (c0 (ly:context-property context 'middleCPosition))
- (new-c0 (+ c0 (* -7 octavation)))
- (string (cdr (assoc octavation '((2 . "15ma")
- (1 . "8va")
- (0 . #f)
- (-1 . "8vb")
- (-2 . "15mb"))))))
- (ly:context-set-property! context 'middleCPosition new-c0)
- (ly:context-set-property! context 'originalMiddleCPosition c0)
- (ly:context-set-property! context 'ottavation string)))))
+ (if (number? (ly:context-property context 'middleCOffset))
+ (let ((where (ly:context-property-where-defined context 'middleCOffset)))
+ (ly:context-unset-property where 'middleCOffset)
+ (ly:context-unset-property where 'ottavation)))
+
+ (let* ((offset (* -7 octavation))
+ (string (cdr (assoc octavation '((2 . "15ma")
+ (1 . "8va")
+ (0 . #f)
+ (-1 . "8vb")
+ (-2 . "15mb"))))))
+ (ly:context-set-property! context 'middleCOffset offset)
+ (ly:context-set-property! context 'ottavation string)
+ (ly:set-middle-C! context)))
(set! (ly:music-property m 'procedure) ottava-modify)
(context-spec-music m 'Staff)))
((< i 0))
(f (vector-ref v i))))
-;; TODO: make a remove-grace-property too.
(define-public (add-grace-property context-name grob sym val)
"Set SYM=VAL for GROB in CONTEXT-NAME. "
(define (set-prop context)
(ly:context-set-property! where 'graceSettings new-settings)))
(ly:export (context-spec-music (make-apply-context set-prop) 'Voice)))
+(define-public (remove-grace-property context-name grob sym)
+ "Remove all SYM for GROB in CONTEXT-NAME. "
+ (define (sym-grob-context? property sym grob context-name)
+ (and (eq? (car property) context-name)
+ (eq? (cadr property) grob)
+ (eq? (caddr property) sym)))
+ (define (delete-prop context)
+ (let* ((where (ly:context-property-where-defined context 'graceSettings))
+ (current (ly:context-property where 'graceSettings))
+ (prop-settings (filter
+ (lambda(x) (sym-grob-context? x sym grob context-name))
+ current))
+ (new-settings current))
+ (for-each (lambda(x)
+ (set! new-settings (delete x new-settings)))
+ prop-settings)
+ (ly:context-set-property! where 'graceSettings new-settings)))
+ (ly:export (context-spec-music (make-apply-context delete-prop) 'Voice)))
+
(defmacro-public def-grace-function (start stop)
(ly:music-length music))
music)
-(define (skip-to-last music parser)
+(define-public (make-duration-of-length moment)
+ "Make duration of the given MOMENT length."
+ (ly:make-duration 0 0
+ (ly:moment-main-numerator moment)
+ (ly:moment-main-denominator moment)))
- "Replace MUSIC by
+(define (skip-this moment)
+ "set skipTypesetting, make SkipMusic of the given MOMENT length,
+ and then unset skipTypesetting."
+ (make-sequential-music
+ (list
+ (context-spec-music (make-property-set 'skipTypesetting #t)
+ 'Score)
+ (make-music 'SkipMusic 'duration
+ (make-duration-of-length moment))
+ (context-spec-music (make-property-set 'skipTypesetting #f)
+ 'Score))))
+
+(define (unskip-this moment)
+ "unset skipTypesetting, make SkipMusic of the given MOMENT length,
+ and then set skipTypesetting."
+ (make-sequential-music
+ (list
+ (context-spec-music (make-property-set 'skipTypesetting #f)
+ 'Score)
+ (make-music 'SkipMusic 'duration
+ (make-duration-of-length moment))
+ (context-spec-music (make-property-set 'skipTypesetting #t)
+ 'Score))))
+
+(define (skip-as-needed music parser)
+ "Replace MUSIC by
+ << { \\set skipTypesetting = ##f
+ LENGTHOF(\\showFirstLength)
+ \\set skipTypesetting = ##t
+ LENGTHOF(\\showLastLength) }
+ MUSIC >>
+ if appropriate.
+
+ When only showFirstLength is set,
+ the 'length property of the music is
+ overridden to speed up compiling."
+ (let*
+ ((show-last (ly:parser-lookup parser 'showLastLength))
+ (show-first (ly:parser-lookup parser 'showFirstLength)))
+ (cond
+
+ ;; both properties may be set.
+ ((and (ly:music? show-first) (ly:music? show-last))
+ (let*
+ ((orig-length (ly:music-length music))
+ (skip-length (ly:moment-sub orig-length (ly:music-length show-last)))
+ (begin-length (ly:music-length show-first)))
+ (make-simultaneous-music
+ (list
+ (make-sequential-music
+ (list
+ (skip-this skip-length)
+ ;; let's draw a separator between the beginning and the end
+ (context-spec-music (make-property-set 'whichBar "||")
+ 'Timing)))
+ (unskip-this begin-length)
+ music))))
+
+ ;; we may only want to print the last length
+ ((ly:music? show-last)
+ (let*
+ ((orig-length (ly:music-length music))
+ (skip-length (ly:moment-sub orig-length (ly:music-length show-last))))
+ (make-simultaneous-music
+ (list
+ (skip-this skip-length)
+ music))))
+
+ ;; we may only want to print the beginning; in this case
+ ;; only the first length will be processed (much faster).
+ ((ly:music? show-first)
+ (let*
+ ((orig-length (ly:music-length music))
+ (begin-length (ly:music-length show-first)))
+ ;; the first length must not exceed the original length.
+ (if (ly:moment<? begin-length orig-length)
+ (set! (ly:music-property music 'length)
+ (ly:music-length show-first)))
+ music))
-<< { \\set skipTypesetting = ##t
- LENGTHOF(\\showLastLength)
- \\set skipTypesetting = ##t }
- MUSIC >>
+ (else music))))
-if appropriate.
- "
- (let*
- ((show-last (ly:parser-lookup parser 'showLastLength)))
-
- (if (ly:music? show-last)
- (let*
- ((orig-length (ly:music-length music))
- (skip-length (ly:moment-sub orig-length (ly:music-length show-last))))
-
- (make-simultaneous-music
- (list
- (make-sequential-music
- (list
- (context-spec-music (make-property-set 'skipTypesetting #t)
- 'Score)
- (make-music 'SkipMusic 'duration
- (ly:make-duration
- 0 0
- (ly:moment-main-numerator skip-length)
- (ly:moment-main-denominator skip-length)))
- (context-spec-music (make-property-set 'skipTypesetting #f)
- 'Score)))
- music)))
- music)))
-
(define-public toplevel-music-functions
(list
(lambda (x parser) (music-map cue-substitute x))
(lambda (x parser)
- (skip-to-last x parser)
+ (skip-as-needed x parser)
)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; accidentals
+(define-public ((make-accidental-rule octaveness lazyness) context pitch barnum measurepos)
+ "Creates an accidental rule that makes its decision based on the octave of the note
+ and a laziness value.
+ octaveness is either 'same-octave or 'any-octave and defines whether the rule should
+ respond to accidental changes in other octaves than the current. 'same-octave is the
+ normal way to typeset accidentals - an accidental is made if the alteration is different
+ from the last active pitch in the same octave. 'any-octave looks at the last active pitch
+ in any octave.
+ lazyness states over how many bars an accidental should be remembered.
+ 0 is default - accidental lasts over 0 bar lines, that is, to the end of current measure.
+ A positive integer means that the accidental lasts over that many bar lines.
+ -1 is 'forget immediately', that is, only look at key signature.
+ #t is forever."
+ (let ((keysig (ly:context-property context 'localKeySignature)))
+ (ly:find-accidentals-simple keysig pitch barnum lazyness octaveness)))
+
+(define (key-entry-notename entry)
+ "Return the pitch of an entry in localKeySignature. The entry is either of the form
+ '(notename . alter) or '((octave . notename) . (alter barnum . measurepos))."
+ (if (number? (car entry))
+ (car entry)
+ (cdar entry)))
+
+(define (key-entry-octave entry)
+ "Return the octave of an entry in localKeySignature (or #f if the entry does not have
+ an octave)."
+ (and (pair? (car entry)) (caar entry)))
+
+(define (key-entry-bar-number entry)
+ "Return the bar number of an entry in localKeySignature (or #f if the entry does not
+ have a bar number)."
+ (and (pair? (car entry)) (caddr entry)))
+
+(define (key-entry-measure-position entry)
+ "Return the measure position of an entry in localKeySignature (or #f if the entry does
+ not have a measure position)."
+ (and (pair? (car entry)) (cdddr entry)))
+
+(define (key-entry-alteration entry)
+ "Return the alteration of an entry in localKeySignature."
+ (if (number? (car entry))
+ (cdr entry)
+ (cadr entry)))
+
+(define-public (find-pitch-entry keysig pitch accept-global accept-local)
+ "Return the first entry in keysig that matches the pitch.
+ accept-global states whether key signature entries should be included.
+ accept-local states whether local accidentals should be included.
+ if no matching entry is found, #f is returned."
+ (if (pair? keysig)
+ (let* ((entry (car keysig))
+ (entryoct (key-entry-octave entry))
+ (entrynn (key-entry-notename entry))
+ (oct (ly:pitch-octave pitch))
+ (nn (ly:pitch-notename pitch)))
+ (if (and (equal? nn entrynn)
+ (or (and accept-global (equal? #f entryoct))
+ (and accept-local (equal? oct entryoct))))
+ entry
+ (find-pitch-entry (cdr keysig) pitch accept-global accept-local)))
+ #f))
+
+(define-public (neo-modern-accidental-rule context pitch barnum measurepos)
+ "an accidental rule that typesets an accidental if it differs from the key signature
+ AND does not directly follow a note on the same staff-line.
+ This rule should not be used alone because it does neither look at bar lines
+ nor different accidentals at the same notename"
+ (let* ((keysig (ly:context-property context 'localKeySignature))
+ (entry (find-pitch-entry keysig pitch #t #t)))
+ (if (equal? #f entry)
+ (cons #f #f)
+ (let* ((global-entry (find-pitch-entry keysig pitch #t #f))
+ (key-acc (if (equal? global-entry #f)
+ 0
+ (key-entry-alteration global-entry)))
+ (acc (ly:pitch-alteration pitch))
+ (entrymp (key-entry-measure-position entry))
+ (entrybn (key-entry-bar-number entry)))
+ (cons #f (not (or (equal? acc key-acc)
+ (and (equal? entrybn barnum) (equal? entrymp measurepos)))))))))
+
+(define-public (teaching-accidental-rule context pitch barnum measurepos)
+ "an accidental rule that typesets a cautionary accidental
+ if it is included in the key signature AND does not directly follow
+ a note on the same staff-line."
+ (let* ((keysig (ly:context-property context 'localKeySignature))
+ (entry (find-pitch-entry keysig pitch #t #t)))
+ (if (equal? #f entry)
+ (cons #f #f)
+ (let* ((global-entry (find-pitch-entry keysig pitch #f #f))
+ (key-acc (if (equal? global-entry #f)
+ 0
+ (key-entry-alteration global-entry)))
+ (acc (ly:pitch-alteration pitch))
+ (entrymp (key-entry-measure-position entry))
+ (entrybn (key-entry-bar-number entry)))
+ (cons #f (not (or (equal? acc key-acc)
+ (and (equal? entrybn barnum) (equal? entrymp measurepos)))))))))
+
(define-public (set-accidentals-properties extra-natural
auto-accs auto-cauts
context)
(define-public (set-accidental-style style . rest)
"Set accidental style to STYLE. Optionally takes a context argument,
-e.g. 'Staff or 'Voice. The context defaults to Voice, except for piano styles, which
+e.g. 'Staff or 'Voice. The context defaults to Staff, except for piano styles, which
use GrandStaff as a context. "
(let ((context (if (pair? rest)
(car rest) 'Staff))
(cond
;; accidentals as they were common in the 18th century.
((equal? style 'default)
- (set-accidentals-properties #t '(Staff (same-octave . 0))
- '() context))
+ (set-accidentals-properties #t
+ `(Staff ,(make-accidental-rule 'same-octave 0))
+ '()
+ context))
;; accidentals from one voice do NOT get cancelled in other voices
((equal? style 'voice)
- (set-accidentals-properties #t '(Voice (same-octave . 0))
- '() context))
+ (set-accidentals-properties #t
+ `(Voice ,(make-accidental-rule 'same-octave 0))
+ '()
+ context))
;; accidentals as suggested by Kurt Stone, Music Notation in the 20th century.
;; This includes all the default accidentals, but accidentals also needs cancelling
;; in other octaves and in the next measure.
((equal? style 'modern)
- (set-accidentals-properties #f '(Staff (same-octave . 0) (any-octave . 0) (same-octave . 1))
- '() context))
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1))
+ '()
+ context))
;; the accidentals that Stone adds to the old standard as cautionaries
((equal? style 'modern-cautionary)
- (set-accidentals-properties #f '(Staff (same-octave . 0))
- '(Staff (any-octave . 0) (same-octave . 1))
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0))
+ `(Staff ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1))
+ context))
+ ;; same as modern, but accidentals different from the key signature are always
+ ;; typeset - unless they directly follow a note of the same pitch.
+ ((equal? style 'neo-modern)
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ ,neo-modern-accidental-rule)
+ '()
+ context))
+ ((equal? style 'neo-modern-cautionary)
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0))
+ `(Staff ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ ,neo-modern-accidental-rule)
+ context))
+ ;; Accidentals as they were common in dodecaphonic music with no tonality.
+ ;; Each note gets one accidental.
+ ((equal? style 'dodecaphonic)
+ (set-accidentals-properties #f
+ `(Staff ,(lambda (c p bn mp) '(#f . #t)))
+ '()
context))
;; Multivoice accidentals to be read both by musicians playing one voice
;; and musicians playing all voices.
;; Accidentals are typeset for each voice, but they ARE cancelled across voices.
((equal? style 'modern-voice)
(set-accidentals-properties #f
- '(Voice (same-octave . 0) (any-octave . 0) (same-octave . 1)
- Staff (same-octave . 0) (any-octave . 0) (same-octave . 1))
+ `(Voice ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1))
'()
context))
;; same as modernVoiceAccidental eccept that all special accidentals are typeset
;; as cautionaries
((equal? style 'modern-voice-cautionary)
(set-accidentals-properties #f
- '(Voice (same-octave . 0))
- '(Voice (any-octave . 0) (same-octave . 1)
- Staff (same-octave . 0) (any-octave . 0) (same-octave . 1))
+ `(Voice ,(make-accidental-rule 'same-octave 0))
+ `(Voice ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1))
context))
;; stone's suggestions for accidentals on grand staff.
;; Accidentals are cancelled across the staves in the same grand staff as well
((equal? style 'piano)
(set-accidentals-properties #f
- '(Staff (same-octave . 0)
- (any-octave . 0) (same-octave . 1)
- GrandStaff (any-octave . 0) (same-octave . 1))
+ `(Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ GrandStaff
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1))
'()
pcontext))
((equal? style 'piano-cautionary)
(set-accidentals-properties #f
- '(Staff (same-octave . 0))
- '(Staff (any-octave . 0) (same-octave . 1)
- GrandStaff (any-octave . 0) (same-octave . 1))
+ `(Staff ,(make-accidental-rule 'same-octave 0))
+ `(Staff ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ GrandStaff
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1))
pcontext))
+
+ ;; same as modern, but cautionary accidentals are printed for all sharp or flat
+ ;; tones specified by the key signature.
+ ((equal? style 'teaching)
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0))
+ `(Staff ,(make-accidental-rule 'same-octave 1)
+ ,teaching-accidental-rule)
+ context))
;; do not set localKeySignature when a note alterated differently from
;; localKeySignature is found.
;; remembered for the duration of a measure.
;; accidentals not being remembered, causing accidentals always to
;; be typeset relative to the time signature
-
((equal? style 'forget)
(set-accidentals-properties '()
- '(Staff (same-octave . -1))
- '() context))
+ `(Staff ,(make-accidental-rule 'same-octave -1))
+ '()
+ context))
;; Do not reset the key at the start of a measure. Accidentals will be
;; printed only once and are in effect until overridden, possibly many
;; measures later.
((equal? style 'no-reset)
(set-accidentals-properties '()
- '(Staff (same-octave . #t))
+ `(Staff ,(make-accidental-rule 'same-octave #t))
'()
context))
(else
- (ly:warning (_ "unknown accidental style: ~S" style))
+ (ly:warning (_ "unknown accidental style: ~S") style)
(make-sequential-music '()))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(ly:music-property (car evs) 'pitch)
#f)))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define-public (extract-named-music music music-name)
+"Return a flat list of all music named @code{music-name}
+from @code{music}."
+ (let ((extracted-list
+ (if (ly:music? music)
+ (if (eq? (ly:music-property music 'name) music-name)
+ (list music)
+ (let ((elt (ly:music-property music 'element))
+ (elts (ly:music-property music 'elements)))
+ (if (ly:music? elt)
+ (extract-named-music elt music-name)
+ (if (null? elts)
+ '()
+ (map (lambda(x)
+ (extract-named-music x music-name ))
+ elts)))))
+ '())))
+ (flatten-list extracted-list)))
+
+(define-public (event-chord-notes event-chord)
+"Return a list of all notes from @{event-chord}."
+ (filter
+ (lambda (m) (eq? 'NoteEvent (ly:music-property m 'name)))
+ (ly:music-property event-chord 'elements)))
+
+(define-public (event-chord-pitches event-chord)
+"Return a list of all pitches from @{event-chord}."
+ (map (lambda (x) (ly:music-property x 'pitch))
+ (event-chord-notes event-chord)))