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|
; A set of simple tests / questions for score objects.
;;; Not Appending
(define (Music?)
(string=? (d-GetType) "CHORD"))
(define (Note?)
(and (Music?) (d-GetNoteName)))
(define (Rest?)
(and (not (d-GetNoteName)) (Music?)))
(define (AtMusic?)
(string=? (d-GetType #f) "CHORD"))
;;;On or Appending after
(define (AtNote?)
(and (AtMusic?) (d-GetNoteName)))
(define (AtRest?)
(and (not (d-GetNoteName)) (AtMusic?)))
(define (Chord?)
(if (Note?)
(string-contains (d-GetNotes) " ")
#f)) ; no note
(define (AtChord?)
(if (Note?)
(string-contains (d-GetNotes) " ")
#f)) ; no note
(define (SingleNote?)
(if (Note?)
(not (string-contains (d-GetNotes) " "))
#f)) ; no note
(define (AtSingleNote?)
(if (AtNote?)
(not (string-contains (d-GetNotes) " "))
#f)) ; no note
(define (Directive?)
(string=? (d-GetType) "LILYDIRECTIVE"))
(define (Timesignature?)
(string=? (d-GetType) "TIMESIG"))
(define (Keysignature?)
(string=? (d-GetType) "KEYSIG"))
(define (Clef?)
(string=? (d-GetType) "CLEF"))
(define (TupletOpen?)
(string=? (d-GetType) "TUPOPEN"))
(define (TupletClose?)
(string=? (d-GetType) "TUPCLOSE"))
(define (TupletMarker?)
(or (TupletOpen?) (TupletClose?)))
;;; types on or after when appending
(define (AtDirective?)
(string=? (d-GetType #f) "LILYDIRECTIVE"))
(define (AtTimesignature?)
(string=? (d-GetType #f) "TIMESIG"))
(define (AtKeysignature?)
(string=? (d-GetType #f) "KEYSIG"))
(define (AtClef?)
(string=? (d-GetType #f) "CLEF"))
(define (AtTupletOpen?)
(string=? (d-GetType #f) "TUPOPEN"))
(define (AtTupletClose?)
(string=? (d-GetType #f) "TUPCLOSE"))
(define (AtTupletMarker?)
(or (AtTupletOpen?) (AtTupletClose?)))
(define (Tupletopen?) ;deprecated name
(TupletOpen?))
(define (Tupletclose?) ;deprecated name
(TupletClose))
(define (Tupletmarker?) ;deprecated name
(TupletMarker?))
(define (Singlenote?) ;deprecated name
(SingleNote?))
(define (StemDirective?)
(string=? (d-GetType) "STEMDIRECTIVE"))
(define (None?)
(string=? (d-GetType) "None"))
(define (MeasureEmpty?) (None?))
(define (MovementEmpty?) (and (None?) (= 1 (d-GetMeasuresInStaff)) (= 1 (d-GetStaffsInMovement))))
(define (Appending?)
(string=? (d-GetType) "Appending"))
(define (MeasureEnd?)
(or (Appending?) (MeasureEmpty?)))
(define (MeasureBeginning?)
(= 1 (d-GetHorizontalPosition)))
(define (ColumnEmpty?)
(define return #f)
(define measure (d-GetMeasure)) ; to make shure we stay in the same column all the time.
(d-PushPosition)
(if (not (MoveToColumnStart))
#f ; if we have unequal staff length in staff 1 stop immediatly,
(let loop ()
(if (and (None?) (equal? measure (d-GetMeasure)))
(begin
(set! return #t)
(if (d-MoveToStaffDown)
(loop)))
(set! return #f))))
(d-PopPosition)
return)
;ActionChooser is a meta function to provide a simple way to react to all types of Denemo items in the score.
(define (ActionChooser chord tupclose tupopen lilydirective clef timesig keysig stemdirective)
(define type (string->symbol (d-GetType)))
(case type
((CHORD) (chord))
((TUPCLOSE) (tupclose))
((TUPOPEN) (tupopen))
((LILYDIRECTIVE) (lilydirective))
((CLEF) (clef))
((TIMESIG) (timesig))
((KEYSIG) (keysig))
((STEMDIRECTIVE) (stemdirective))
(else #f)))
#! (define (ActionChooserExample)
(ActionChooser
(lambda () (disp "Chord")) ;chords, notes, rests
(lambda () (disp "tupclose")) ; tuplet close
(lambda () (disp "Tupopen")) ; tuplet open
(lambda () (disp "lily")) ; lilypond directive
(lambda () (disp "clef")) ; clefs
(lambda () (disp "time")) ; timesignatures
(lambda () (disp "key")) ; keysignatures
(lambda () (disp "stem")))) ; stem directives /voice presets
(MapToSelection ActionChooserExample)!#
|
