-;;;; music-functions.scm -- implement Scheme output routines for PostScript
+;;;; music-functions.scm --
;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
;;;; (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
-(use-modules (ice-9 optargs))
+;; (use-modules (ice-9 optargs))
;;; ly:music-property with setter
;;; (ly:music-property my-music 'elements)
(display ": { ")
(let ((es (ly:music-property music 'elements))
(e (ly:music-property music 'element)))
- (display (ly:mutable-music-properties music))
+ (display (ly:music-mutable-properties music))
(if (pair? es)
(begin (display "\nElements: {\n")
(map display-music es)
(define-public (unfold-repeats music)
"
-This function replaces all repeats with unfold repeats. It was
-written by Rune Zedeler. "
+This function replaces all repeats with unfold repeats. "
+
(let ((es (ly:music-property music 'elements))
(e (ly:music-property music 'element))
(n (ly:music-name music)))
(if (equal? n "Repeated_music")
(begin
+
(if (equal? (ly:music-property music 'iterator-ctor)
Chord_tremolo_iterator::constructor)
- (shift-duration-log music (ly:intlog2 (ly:music-property music 'repeat-count)) 0))
+ (let*
+ ((seq-arg? (memq 'sequential-music
+ (ly:music-property e 'types)))
+ (count (ly:music-property music 'repeat-count))
+ (dot-shift (if (= 0 (remainder count 3))
+ -1 0))
+ )
+
+ (if (= 0 -1)
+ (set! count (* 2 (quotient count 3))))
+
+ (shift-duration-log music (+ (if seq-arg? 1 0)
+ (ly:intlog2 count)) dot-shift)
+
+ (if seq-arg?
+ (ly:music-compress e (ly:make-moment (length (ly:music-property e 'elements)) 1)))
+ ))
+
(set! (ly:music-property music 'length)
Repeated_music::unfolded_music_length)
(set! (ly:music-property music 'start-moment-function)
Repeated_music::first_start)
(set! (ly:music-property music 'iterator-ctor)
Unfolded_repeat_iterator::constructor)))
+
(if (pair? es)
(set! (ly:music-property music 'elements)
(map unfold-repeats es)))
(define-public (make-skip-music dur)
(make-music 'SkipMusic
'duration dur))
+
(define-public (make-grace-music music)
(make-music 'GraceMusic
'element music))
"Check if we have R1*4-\\markup { .. }, and if applicable convert to
a property set for MultiMeasureRestNumber."
(define (script-to-mmrest-text script-music)
- "Extract 'direction and 'text from SCRIPT-MUSIC, and transform into property sets."
+ "Extract 'direction and 'text from SCRIPT-MUSIC, and transform into property sets."
(let ((dir (ly:music-property script-music 'direction))
(p (make-music 'MultiMeasureTextEvent
'text (ly:music-property script-music 'text))))
(ly:export (make-ottava-set ottavation)))
(define-public (make-time-signature-set num den . rest)
- " Set properties for time signature NUM/DEN.
-Rest can contain a list of beat groupings "
+ "Set properties for time signature NUM/DEN. Rest can contain a list
+of beat groupings "
(let* ((set1 (make-property-set 'timeSignatureFraction (cons num den)))
(beat (ly:make-moment 1 den))
(len (ly:make-moment num den))
(context-spec-music (make-sequential-music basic) 'Timing) 'Score)))
(define-public (make-mark-set label)
- "make the music for the \\mark command."
+ "Make the music for the \\mark command."
(let* ((set (if (integer? label)
(context-spec-music (make-property-set 'rehearsalMark label)
'Score)
(define-public (set-time-signature num den . rest)
(ly:export (apply make-time-signature-set `(,num ,den . ,rest))))
-(define-public (make-penalty-music pen)
+(define-public (make-penalty-music pen page-pen)
(make-music 'BreakEvent
- 'penalty pen))
+ 'penalty pen
+ 'page-penalty page-pen))
(define-public (make-articulation name)
(make-music 'ArticulationEvent
(if (vector? props)
(vector-reverse-map execute-1 props))))
+
+
+(defmacro-public def-grace-function (start stop)
+ `(def-music-function (location music) (ly:music?)
+ (make-music 'GraceMusic
+ 'origin location
+ 'element (make-music 'SequentialMusic
+ 'elements (list (ly:music-deep-copy ,start)
+ music
+ (ly:music-deep-copy ,stop))))))
+
+(defmacro-public def-music-function (args signature . body)
+ "Helper macro for `ly:make-music-function'.
+Syntax:
+ (def-music-function (location arg1 arg2 ...) (arg1-type? arg2-type? ...)
+ ...function body...)
+"
+ `(ly:make-music-function (list ,@signature)
+ (lambda (,@args)
+ ,@body)))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; switch it on here, so parsing and init isn't checked (too slow!)
;;
(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
-use PianoStaff as a context. "
+use GrandStaff as a context. "
(let ((context (if (pair? rest)
(car rest) 'Staff))
(pcontext (if (pair? rest)
- (car rest) 'PianoStaff)))
+ (car rest) 'GrandStaff)))
(ly:export
(cond
;; accidentals as they were common in the 18th century.
((equal? style 'piano)
(set-accidentals-properties #f
'( Staff (same-octave . 0) (any-octave . 0) (same-octave . 1)
- PianoStaff (any-octave . 0) (same-octave . 1))
+ GrandStaff (any-octave . 0) (same-octave . 1))
'()
pcontext))
((equal? style 'piano-cautionary)
(set-accidentals-properties #f
'(Staff (same-octave . 0))
'(Staff (any-octave . 0) (same-octave . 1)
- PianoStaff (any-octave . 0) (same-octave . 1))
+ GrandStaff (any-octave . 0) (same-octave . 1))
pcontext))
;; do not set localKeySignature when a note alterated differently from
;; localKeySignature is found.
'()
context))
(else
- (ly:warn (string-append "Unknown accidental style: " (symbol->string style)))
+ (ly:warn "Unknown accidental style: ~S" (symbol->string style))
(make-sequential-music '()))))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define-public (skip-of-length mus)
+ "Create a skip of exactly the same length as MUS."
+ (let*
+ ((skip
+ (make-music
+ 'SkipEvent
+ 'duration (ly:make-duration 0 0))))
+
+ (make-event-chord (list (ly:music-compress skip (ly:music-length mus))))
+))
+
+
+(define-public (mmrest-of-length mus)
+ "Create a mmrest of exactly the same length as MUS."
+
+ (let*
+ ((skip
+ (make-multi-measure-rest
+ (ly:make-duration 0 0) '() )))
+ (ly:music-compress skip (ly:music-length mus))
+ skip
+))
projects / lilypond.git / blobdiff