;;; define-music-display-methods.scm -- data for displaying music
;;; expressions using LilyPond notation.
;;;
-;;; Copyright (C) 2005--2011 Nicolas Sceaux <nicolas.sceaux@free.fr>
+;;; Copyright (C) 2005--2012 Nicolas Sceaux <nicolas.sceaux@free.fr>
;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
(define*-public (duration->lily-string ly-duration #:key (prev-duration (*previous-duration*))
(force-duration (*force-duration*))
- (time-factor-numerator (*time-factor-numerator*))
- (time-factor-denominator (*time-factor-denominator*)))
+ (time-scale (*time-scale*))
+ remember)
+ (if remember (*previous-duration* ly-duration))
(let ((log2 (ly:duration-log ly-duration))
(dots (ly:duration-dot-count ly-duration))
- (num+den (ly:duration-factor ly-duration)))
+ (scale (ly:duration-scale ly-duration)))
(if (or force-duration (not prev-duration) (not (equal? ly-duration prev-duration)))
(string-append (case log2
((-1) "\\breve")
((-3) "\\maxima")
(else (number->string (expt 2 log2))))
(make-string dots #\.)
- (let ((num? (not (or (= 1 (car num+den))
- (and time-factor-numerator
- (= (car num+den) time-factor-numerator)))))
- (den? (not (or (= 1 (cdr num+den))
- (and time-factor-denominator
- (= (cdr num+den) time-factor-denominator))))))
- (cond (den?
- (format #f "*~a/~a" (car num+den) (cdr num+den)))
- (num?
- (format #f "*~a" (car num+den)))
- (else ""))))
+ (let ((end-scale (/ scale time-scale)))
+ (if (= end-scale 1) ""
+ (format #f "*~a" end-scale))))
"")))
;;;
;;; post events
;;;
-(define post-event?
- (make-music-type-predicate
- 'AbsoluteDynamicEvent
- 'ArpeggioEvent
- 'ArticulationEvent
- 'BeamEvent
- 'BeamForbidEvent
- 'BendAfterEvent
- 'CrescendoEvent
- 'DecrescendoEvent
- 'EpisemaEvent
- 'ExtenderEvent
- 'FingeringEvent
- 'GlissandoEvent
- 'HarmonicEvent
- 'HyphenEvent
- 'MultiMeasureTextEvent
- 'NoteGroupingEvent
- 'PhrasingSlurEvent
- 'SlurEvent
- 'SostenutoEvent
- 'StringNumberEvent
- 'StrokeFingerEvent
- 'SustainEvent
- 'TextScriptEvent
- 'TextSpanEvent
- 'TieEvent
- 'TremoloEvent
- 'TrillSpanEvent
- 'TupletSpanEvent
- 'UnaCordaEvent))
+(define (post-event? m)
+ (music-is-of-type? m 'post-event))
(define* (event-direction->lily-string event #:optional (required #t))
(let ((direction (ly:music-property event 'direction)))
""
tremolo-type))))
-(define-post-event-display-method ArticulationEvent (event parser) #t
- (let ((articulation (ly:music-property event 'articulation-type)))
- (case (string->symbol articulation)
- ((marcato) "^")
- ((stopped) "+")
- ((tenuto) "-")
- ((staccatissimo) "|")
- ((accent) ">")
- ((staccato) ".")
- ((portato) "_")
- (else (format #f "\\~a" articulation)))))
+(define-display-method ArticulationEvent (event parser) #t
+ (let* ((articulation (ly:music-property event 'articulation-type))
+ (shorthand
+ (case (string->symbol articulation)
+ ((marcato) "^")
+ ((stopped) "+")
+ ((tenuto) "-")
+ ((staccatissimo) "|")
+ ((accent) ">")
+ ((staccato) ".")
+ ((portato) "_")
+ (else #f))))
+ (format #f "~a~:[\\~;~]~a"
+ (event-direction->lily-string event shorthand)
+ shorthand
+ (or shorthand articulation))))
(define-post-event-display-method FingeringEvent (event parser) #t
(ly:music-property event 'digit))
(define-post-event-display-method MultiMeasureTextEvent (event parser) #t
(markup->lily-string (ly:music-property event 'text)))
-(define-post-event-display-method BendAfterEvent (event parser) #t
+(define-post-event-display-method BendAfterEvent (event parser) #f
(format #f "\\bendAfter #~a" (ly:music-property event 'delta-step)))
(define-post-event-display-method HarmonicEvent (event parser) #f "\\harmonic")
-(define-post-event-display-method GlissandoEvent (event parser) #t "\\glissando")
-(define-post-event-display-method ArpeggioEvent (event parser) #t "\\arpeggio")
+(define-post-event-display-method GlissandoEvent (event parser) #f "\\glissando")
+(define-post-event-display-method ArpeggioEvent (event parser) #f "\\arpeggio")
(define-post-event-display-method AbsoluteDynamicEvent (event parser) #f
(format #f "\\~a" (ly:music-property event 'text)))
-(define-post-event-display-method StrokeFingerEvent (event parser) #t
+(define-post-event-display-method StrokeFingerEvent (event parser) #f
(format #f "\\rightHandFinger #~a" (ly:music-property event 'digit)))
(define-span-event-display-method BeamEvent (event parser) #f "[" "]")
'SequentialMusic
elements ((music
'EventChord
- elements ((music
- 'SkipEvent
- duration (ly:make-duration 0 0 0 1))
- (music
- 'SlurEvent
- span-direction START))))))
- #t)
- (with-music-match (?stop (music
- 'SequentialMusic
- elements ((music
- 'EventChord
- elements ((music
- 'SkipEvent
- duration (ly:make-duration 0 0 0 1))
- (music
- 'SlurEvent
- span-direction STOP))))))
+ elements
+ ((music
+ 'SlurEvent
+ span-direction START))))))
+ #t)
+ (with-music-match (?stop (music
+ 'SequentialMusic
+ elements ((music
+ 'EventChord
+ elements
+ ((music
+ 'SlurEvent
+ span-direction STOP))))))
(format #f "\\appoggiatura ~a" (music->lily-string ?music parser))))))
'SequentialMusic
elements ((music
'EventChord
- elements ((music
- 'SkipEvent
- duration (ly:make-duration 0 0 0 1))
- (music
- 'SlurEvent
- span-direction START)))
+ elements
+ ((music
+ 'SlurEvent
+ span-direction START)))
(music
'ContextSpeccedMusic
element (music
'OverrideProperty
grob-property-path '(stroke-style)
grob-value "grace"
- symbol 'Stem)))))
+ symbol 'Flag)))))
#t)
(with-music-match (?stop (music
'SequentialMusic
element (music
'RevertProperty
grob-property-path '(stroke-style)
- symbol 'Stem))
+ symbol 'Flag))
+
(music
'EventChord
- elements ((music
- 'SkipEvent
- duration (ly:make-duration 0 0 0 1))
- (music
- 'SlurEvent
- span-direction STOP))))))
+ elements
+ ((music
+ 'SlurEvent
+ span-direction STOP))))))
(format #f "\\acciaccatura ~a" (music->lily-string ?music parser))))))
(define-extra-display-method GraceMusic (expr parser)
(*max-element-number-before-break*))))
(elements (ly:music-property seq 'elements))
(chord? (make-music-type-predicate 'EventChord))
+ (note-or-chord? (make-music-type-predicate 'EventChord 'NoteEvent
+ 'LyricEvent 'RestEvent
+ 'ClusterNoteEvent))
(cluster? (make-music-type-predicate 'ClusterNoteEvent))
(note? (make-music-type-predicate 'NoteEvent)))
- (format #f "~a~a{~v%~v_~{~a ~}~v%~v_}"
+ (format #f "~a~a{~v%~v_~{~a~^ ~}~v%~v_}"
(if (any (lambda (e)
- (and (chord? e)
- (any cluster? (ly:music-property e 'elements))))
+ (or (cluster? e)
+ (and (chord? e)
+ (any cluster? (ly:music-property e 'elements)))))
elements)
"\\makeClusters "
"")
"\\figuremode ")
((any (lambda (chord)
(any (make-music-type-predicate 'LyricEvent)
- (ly:music-property chord 'elements)))
- (filter chord? elements))
+ (cons chord
+ (ly:music-property chord 'elements))))
+ (filter note-or-chord? elements))
"\\lyricmode ")
((any (lambda (chord)
(any (lambda (event)
(and (note? event)
(not (null? (ly:music-property event 'drum-type)))))
- (ly:music-property chord 'elements)))
- (filter chord? elements))
+ (cons chord
+ (ly:music-property chord 'elements))))
+ (filter note-or-chord? elements))
"\\drummode ")
(else ;; TODO: other modes?
""))
(music->lily-string music parser))
elements))
(if force-line-break 1 0)
- (if force-line-break (*indent*) 0))))
+ (if force-line-break (*indent*) 1))))
(define-display-method SimultaneousMusic (sim parser)
(parameterize ((*indent* (+ 3 (*indent*))))
;;;
(define-display-method EventChord (chord parser)
- ;; event_chord : simple_element post_events
- ;; | command_element
+ ;; event_chord : command_element
;; | note_chord_element
;; TODO : tagged post_events
;; post_events : ( post_event | tagged_post_event )*
;; tagged_post_event: '-' \tag embedded_scm post_event
- (let* ((elements (ly:music-property chord 'elements))
- (simple-elements (filter (make-music-type-predicate
- 'NoteEvent 'ClusterNoteEvent 'RestEvent
- 'MultiMeasureRestEvent 'SkipEvent 'LyricEvent)
- elements)))
- (if ((make-music-type-predicate 'StaffSpanEvent 'BreathingEvent) (car elements))
- ;; first, a special case: StaffSpanEvent (\startStaff, \stopStaff)
- ;; and BreathingEvent (\breathe)
- (music->lily-string (car elements) parser)
- (if (and (not (null? simple-elements))
- (null? (cdr simple-elements))
- ;; special case: if this simple_element has any post_events in
- ;; its 'articulations list, it should be interpreted instead
- ;; as a note_chord_element to prevent spurious output, e.g.,
- ;; \displayLilyMusic < c-1\4 >8 -> c-1\48
- (null? (filter post-event?
- (ly:music-property (car simple-elements) 'articulations)))
- ;; same for simple_element with \tweak
- (null? (ly:music-property (car simple-elements) 'tweaks)))
- ;; simple_element : note | figure | rest | mmrest | lyric_element | skip
- (let* ((simple-element (car simple-elements))
- (duration (ly:music-property simple-element 'duration))
- (lily-string (format #f "~a~a~a~{~a ~}"
- (music->lily-string simple-element parser)
- (duration->lily-string duration)
- (if (and ((make-music-type-predicate 'RestEvent) simple-element)
- (ly:pitch? (ly:music-property simple-element 'pitch)))
- "\\rest"
- "")
- (map-in-order (lambda (music)
- (music->lily-string music parser))
- (filter post-event? elements)))))
- (*previous-duration* duration)
- lily-string)
- (let ((chord-elements (filter (make-music-type-predicate
- 'NoteEvent 'ClusterNoteEvent 'BassFigureEvent)
- elements))
- (post-events (filter post-event? elements)))
- (if (not (null? chord-elements))
- ;; note_chord_element : '<' (notepitch | drumpitch)* '>" duration post_events
- (let ((lily-string (format #f "< ~{~a ~}>~a~{~a ~}"
- (map-in-order (lambda (music)
- (music->lily-string music parser))
- chord-elements)
- (duration->lily-string (ly:music-property (car chord-elements)
- 'duration))
- (map-in-order (lambda (music)
- (music->lily-string music parser))
- post-events))))
- (*previous-duration* (ly:music-property (car chord-elements) 'duration))
- lily-string)
- ;; command_element
- (format #f "~{~a ~}" (map-in-order (lambda (music)
- (music->lily-string music parser))
- elements))))))))
+ (let* ((elements (append (ly:music-property chord 'elements)
+ (ly:music-property chord 'articulations)))
+ (chord-repeat (ly:music-property chord 'duration)))
+ (call-with-values
+ (lambda ()
+ (partition (lambda (m) (music-is-of-type? m 'rhythmic-event))
+ elements))
+ (lambda (chord-elements other-elements)
+ (cond ((pair? chord-elements)
+ ;; note_chord_element :
+ ;; '<' (notepitch | drumpitch)* '>" duration post_events
+ (let ((duration (duration->lily-string (ly:music-property
+ (car chord-elements)
+ 'duration)
+ #:remember #t)))
+ ;; Format duration first so that it does not appear on
+ ;; chord elements
+ (format #f "< ~{~a ~}>~a~:{~:[-~;~]~a~^ ~}"
+ (map-in-order (lambda (music)
+ (music->lily-string music parser))
+ chord-elements)
+ duration
+ (map-in-order (lambda (music)
+ (list
+ (post-event? music)
+ (music->lily-string music parser)))
+ other-elements))))
+ ((ly:duration? chord-repeat)
+ (let ((duration (duration->lily-string chord-repeat
+ #:remember #t)))
+ (format #f "q~a~:{~:[-~;~]~a~^ ~}"
+ duration
+ (map-in-order (lambda (music)
+ (list
+ (post-event? music)
+ (music->lily-string music parser)))
+ other-elements))))
+
+ ((and (= 1 (length other-elements))
+ (not (post-event? (car other-elements))))
+ (format #f (music->lily-string (car other-elements) parser)))
+ (else
+ (format #f "< >~:{~:[-~;~]~a~^ ~}"
+ (map-in-order (lambda (music)
+ (list
+ (post-event? music)
+ (music->lily-string music parser)))
+ other-elements))))))))
(define-display-method MultiMeasureRestMusic (mmrest parser)
- (let* ((dur (ly:music-property mmrest 'duration))
- (ly (format #f "R~a~{~a ~}"
- (duration->lily-string dur)
- (map-in-order (lambda (music)
- (music->lily-string music parser))
- (ly:music-property mmrest 'articulations)))))
- (*previous-duration* dur)
- ly))
+ (format #f "R~a~{~a~^ ~}"
+ (duration->lily-string (ly:music-property mmrest 'duration)
+ #:remember #t)
+ (map-in-order (lambda (music)
+ (music->lily-string music parser))
+ (ly:music-property mmrest 'articulations))))
(define-display-method SkipMusic (skip parser)
(format #f "\\skip ~a" (duration->lily-string (ly:music-property skip 'duration) #:force-duration #t)))
;;;
(define (simple-note->lily-string event parser)
- (format #f "~a~a~a~a~{~a~}" ; pitchname octave !? octave-check articulations
+ (format #f "~a~a~a~a~a~a~:{~:[-~;~]~a~}" ; pitchname octave !? octave-check duration optional_rest articulations
(note-name->lily-string (ly:music-property event 'pitch) parser)
(octave->lily-string (ly:music-property event 'pitch))
(let ((forced (ly:music-property event 'force-accidental))
(make-string (1- (* -1 octave-check)) #\,))
(else "")))
""))
+ (duration->lily-string (ly:music-property event 'duration)
+ #:remember #t)
+ (if ((make-music-type-predicate 'RestEvent) event)
+ "\\rest" "")
(map-in-order (lambda (event)
- (music->lily-string event parser))
+ (list
+ (post-event? event)
+ (music->lily-string event parser)))
(ly:music-property event 'articulations))))
(define-display-method NoteEvent (note parser)
(cond ((not (null? (ly:music-property note 'pitch))) ;; note
(simple-note->lily-string note parser))
((not (null? (ly:music-property note 'drum-type))) ;; drum
- (format #f "~a" (ly:music-property note 'drum-type)))
+ (format #f "~a~a~{~a~}" (ly:music-property note 'drum-type)
+ (duration->lily-string (ly:music-property note 'duration)
+ #:remember #t)
+ (map-in-order (lambda (event)
+ (music->lily-string event parser))
+ (ly:music-property note 'articulations))))
(else ;; unknown?
"")))
(define-display-method RestEvent (rest parser)
(if (not (null? (ly:music-property rest 'pitch)))
(simple-note->lily-string rest parser)
- "r"))
+ (format #f "r~a~{~a~}"
+ (duration->lily-string (ly:music-property rest 'duration)
+ #:remember #t)
+ (map-in-order (lambda (event)
+ (music->lily-string event parser))
+ (ly:music-property rest 'articulations)))))
(define-display-method MultiMeasureRestEvent (rest parser)
- "R")
+ (string-append "R" (duration->lily-string (ly:music-property rest 'duration)
+ #:remember #t)))
(define-display-method SkipEvent (rest parser)
- "s")
+ (format #f "s~a~{~a~}"
+ (duration->lily-string (ly:music-property rest 'duration)
+ #:remember #t)
+ (map-in-order (lambda (event)
+ (music->lily-string event parser))
+ (ly:music-property rest 'articulations))))
(define-display-method RepeatedChord (chord parser)
(music->lily-string (ly:music-property chord 'element) parser))
(if (null? bracket-stop) "" "]"))))
(define-display-method LyricEvent (lyric parser)
- (let ((text (ly:music-property lyric 'text)))
- (if (or (string? text)
- (eqv? (first text) simple-markup))
- ;; a string or a simple markup
- (let ((string (if (string? text)
- text
- (second text))))
- (if (string-match "(\"| |[0-9])" string)
- ;; TODO check exactly in which cases double quotes should be used
- (format #f "~s" string)
- string))
- (markup->lily-string text))))
+ (format "~a~{~a~^ ~}"
+ (let ((text (ly:music-property lyric 'text)))
+ (if (or (string? text)
+ (eqv? (first text) simple-markup))
+ ;; a string or a simple markup
+ (let ((string (if (string? text)
+ text
+ (second text))))
+ (if (string-match "(\"| |[0-9])" string)
+ ;; TODO check exactly in which cases double quotes should be used
+ (format #f "~s" string)
+ string))
+ (markup->lily-string text)))
+ (map-in-order (lambda (m) (music->lily-string m parser))
+ (ly:music-property lyric 'articulations))))
(define-display-method BreathingEvent (event parser)
"\\breathe")
(define-display-method TimeScaledMusic (times parser)
(let* ((num (ly:music-property times 'numerator))
(den (ly:music-property times 'denominator))
- (nd-gcd (gcd num den)))
+ (scale (/ num den))
+ (dur (*previous-duration*))
+ (time-scale (*time-scale*)))
+
(parameterize ((*force-line-break* #f)
- (*time-factor-numerator* (/ num nd-gcd))
- (*time-factor-denominator* (/ den nd-gcd)))
+ (*previous-duration*
+ (ly:make-duration (ly:duration-log dur)
+ (ly:duration-dot-count dur)
+ (* (ly:duration-scale dur)
+ scale)))
+ (*time-scale* (* time-scale scale)))
(format #f "\\times ~a/~a ~a"
num
den
;;; Repeats
;;;
+(define-display-method AlternativeEvent (alternative parser) "")
+
(define (repeat->lily-string expr repeat-type parser)
- (format #f "\\repeat ~a ~a ~a ~a"
- repeat-type
- (ly:music-property expr 'repeat-count)
- (music->lily-string (ly:music-property expr 'element) parser)
- (let ((alternatives (ly:music-property expr 'elements)))
- (if (null? alternatives)
- ""
- (format #f "\\alternative { ~{~a ~}}"
- (map-in-order (lambda (music)
- (music->lily-string music parser))
- alternatives))))))
+ (let* ((main (music->lily-string (ly:music-property expr 'element) parser)))
+ (format #f "\\repeat ~a ~a ~a ~a"
+ repeat-type
+ (ly:music-property expr 'repeat-count)
+ main
+ (let ((alternatives (ly:music-property expr 'elements)))
+ (if (null? alternatives)
+ ""
+ (format #f "\\alternative { ~{~a ~}}"
+ (map-in-order (lambda (music)
+ (music->lily-string music parser))
+ alternatives)))))))
(define-display-method VoltaRepeatedMusic (expr parser)
(repeat->lily-string expr "volta" parser))
(repeat->lily-string expr "percent" parser))
(define-display-method TremoloRepeatedMusic (expr parser)
- (let* ((count (ly:music-property expr 'repeat-count))
- (dots (if (= 0 (modulo count 3)) 0 1))
- (shift (- (log2 (if (= 0 dots)
- (/ (* count 2) 3)
- count))))
- (element (ly:music-property expr 'element))
- (den-mult 1))
- (if (eqv? (ly:music-property element 'name) 'SequentialMusic)
- (begin
- (set! shift (1- shift))
- (set! den-mult (length (ly:music-property element 'elements)))))
- (music-map (lambda (m)
- (let ((duration (ly:music-property m 'duration)))
- (if (ly:duration? duration)
- (let* ((dlog (ly:duration-log duration))
- (ddots (ly:duration-dot-count duration))
- (dfactor (ly:duration-factor duration))
- (dnum (car dfactor))
- (dden (cdr dfactor)))
- (set! (ly:music-property m 'duration)
- (ly:make-duration (- dlog shift)
- ddots ;;(- ddots dots) ; ????
- dnum
- (/ dden den-mult))))))
- m)
- element)
+ (let* ((main (ly:music-property expr 'element))
+ (children (if (music-is-of-type? main 'sequential-music)
+ ;; \repeat tremolo n { ... }
+ (length (extract-named-music main '(EventChord
+ NoteEvent)))
+ ;; \repeat tremolo n c4
+ 1))
+ (times (ly:music-property expr 'repeat-count))
+
+ ;; # of dots is equal to the 1 in bitwise representation (minus 1)!
+ (dots (1- (logcount (* times children))))
+ ;; The remaining missing multiplicator to scale the notes by
+ ;; times * children
+ (mult (/ (* times children (ash 1 dots)) (1- (ash 2 dots))))
+ (shift (- (ly:intlog2 (floor mult)))))
+ (set! main (ly:music-deep-copy main))
+ ;; Adjust the time of the notes
+ (ly:music-compress main (ly:make-moment children 1))
+ ;; Adjust the displayed note durations
+ (shift-duration-log main (- shift) (- dots))
(format #f "\\repeat tremolo ~a ~a"
- count
- (music->lily-string element parser))))
+ times
+ (music->lily-string main parser))))
;;;
;;; Contexts
(define-display-method OverrideProperty (expr parser)
(let* ((symbol (ly:music-property expr 'symbol))
- (property-path (ly:music-property expr 'grob-property-path))
- (properties (if (pair? property-path)
- property-path
- (list (ly:music-property expr 'grob-property))))
+ (properties (ly:music-property expr 'grob-property-path
+ (list (ly:music-property expr 'grob-property))))
(value (ly:music-property expr 'grob-value))
(once (ly:music-property expr 'once)))
(new-line->lily-string))))
(define-display-method RevertProperty (expr parser)
- (let ((symbol (ly:music-property expr 'symbol))
- (properties (ly:music-property expr 'grob-property-path)))
+ (let* ((symbol (ly:music-property expr 'symbol))
+ (properties (ly:music-property expr 'grob-property-path
+ (list (ly:music-property expr 'grob-property)))))
(format #f "\\revert ~a~a #'~a~a"
(if (eqv? (*current-context*) 'Bottom)
""
num den
(new-line->lily-string))
(format #f
- "#(set-time-signature ~a ~a '~a)~a"
- num den structure
+ "\\time #'~a ~a/~a~a"
+ structure num den
(new-line->lily-string)))))
;;; \melisma and \melismaEnd
projects / lilypond.git / blobdiff