On Fri, Jan 13, 2017 at 7:21 PM, David Nalesnik
<david.nales...@gmail.com> wrote:
> On Fri, Jan 13, 2017 at 11:50 AM, Gilles THIBAULT
> <gilles.thiba...@free.fr> wrote:
>> Le vendredi 13 janvier 2017, 14:06:23 Gianmaria Lari a écrit :
>>> I have a problem with (the fantastic) addFingering snippet.
>>>
>>> Here it is my simple code.
>>>
>>> \version "2.19.54"
>>> \include "addFingering.ly"
>>>
>>> {
>>> \addFingering {a b a b} #"12"
>>> }
>>>
>>> {
>>> \addFingering {\repeat unfold 2 {a b}} #"12"
>>> }
>>
>> You can create your own repeat function :
>>
>> %%%
>>
>> nCopy = #(define-music-function (parser location n music)(integer? ly:music?)
>> (cond
>> ((> n 1)(ly:music-deep-copy (make-sequential-music (make-list n music))))
>> ((= n 1) music)
>> (else (make-music 'Music 'void #t))))
>>
>>
>> \addFingering { \nCopy #2 {a b} } #"12"
>>
>> %%%
>>
>
> You could also do this without \addFingering:
>
> nCopyNoFingerings =
> #(define-music-function (parser location n music) (integer? ly:music?)
> (cond
> ((= n 1)
> music)
> ((> n 1)
> (let ((stripped
> (music-filter
> (lambda (m) (not (music-is-of-type? m 'fingering-event)))
> (ly:music-deep-copy music))))
> (make-sequential-music
> (cons music
> (make-list (1- n) stripped)))))
> (else (make-music 'Music 'void #t))))
>
>
> { \nCopyNoFingerings #3 { a-1 b-2 } }
And you could omit other things besides fingerings with this definition:
nCopyWithout =
#(define-music-function (parser location n types music)
(integer? list? ly:music?)
(cond
((= n 1)
music)
((> n 1)
(let* ((cpy (ly:music-deep-copy music))
(stripped
(let loop ((t types) (result cpy))
(if (null? t)
result
(loop (cdr t)
(music-filter
(lambda (m) (not (music-is-of-type? m (car t))))
cpy))))))
(make-sequential-music
(cons music
(make-list (1- n) stripped)))))
(else (make-music 'Music 'void #t))))
{ \nCopyWithout #3 #'(fingering-event dynamic-event script-event) {
a-1\f b-2-> } }
-DN
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