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Re: Size of the arpeggio's arrow
From: |
Thomas Morley |
Subject: |
Re: Size of the arpeggio's arrow |
Date: |
Thu, 5 Dec 2019 18:17:41 +0100 |
Am Do., 5. Dez. 2019 um 17:57 Uhr schrieb Paolo Prete <address@hidden>:
>
>
> Hi Thomas.
> Yes, I'm interested. I could not find any snippet for that, nor a
> corresponding property for "Arpeggio" in the "Lilypond Internals Reference"
> Thanks.
>
> Il giovedì 5 dicembre 2019, 16:22:12 GMT, Thomas Morley <address@hidden> ha
> scritto:
>
>
> Am Do., 5. Dez. 2019 um 15:07 Uhr schrieb Paolo Pr <address@hidden>:
>
> >
> > (I re-post this because it seems that mails from Yahoo services, like some
> > of my previous posts, are filtered as spam)
> >
> > Hello,
> >
> > how can I modify the size of the arrow of an \arpeggioArrowUp/Down object?
> >
> > Thanks
>
> >
>
> There is no builtin method to do so.
> You could create your own stencil, though.
>
> Interested in learning howto?
>
>
> Cheers,
> Harm
>
>
Ok :)
So what do we want?
While applying \arpeggioArrowUp we want the usual arpeggio, but the
added arrow-head should be sized as we want.
Alas, as soon as we set \arpeggioArrowUp the default is there.
Mmhh, what exactly does \arpeggioArrowUp?
Looking into property-init.ly (found by some search-functions of your
editor or some grepping):
arpeggioArrowUp = {
\revert Arpeggio.stencil
\revert Arpeggio.X-extent
\override Arpeggio.arpeggio-direction = #UP
}
Interesting is arpeggio-direction, looks like it triggers the arrowed arpeggio.
Let's proof:
{
\arpeggioArrowUp
R1
\override Arpeggio.arpeggio-direction = #'()
<b d' f' b'>\arpeggio
}
And indeed the arrow-head is gone.
Now we can recreate the _default_-stencil explicitely, using the
default-stencil, found in IR.
I.e. the procedure ly:arpeggio::print
NB, although we've set \arpeggioArrowUp
{
\arpeggioArrowUp
R1
\override Arpeggio.arpeggio-direction = #'()
\override Arpeggio.stencil =
#(lambda (grob)
(ly:arpeggio::print grob))
<b d' f' b'>\arpeggio
}
Let us put the arpeggio-direction into the stencil-override for conveniance:
{
\arpeggioArrowUp
R1
\override Arpeggio.stencil =
#(lambda (grob)
(ly:grob-set-property! grob 'arpeggio-direction '())
(ly:arpeggio::print grob))
<b d' f' b'>\arpeggio
}
Now we only need to add a suitable arrowhead to the stencil and are done.
So I need a little break, I'm cooking right now ;)
Cheers,
Harm
- Size of the arpeggio's arrow, Paolo Pr, 2019/12/05
- Re: Size of the arpeggio's arrow, Thomas Morley, 2019/12/05
- Re: Size of the arpeggio's arrow, Paolo Prete, 2019/12/05
- Re: Size of the arpeggio's arrow,
Thomas Morley <=
- Re: Size of the arpeggio's arrow, Thomas Morley, 2019/12/05
- Re: Size of the arpeggio's arrow, Thomas Morley, 2019/12/05
- Re: Size of the arpeggio's arrow, Thomas Morley, 2019/12/05
- Re: Size of the arpeggio's arrow, Thomas Morley, 2019/12/05
- Re: Size of the arpeggio's arrow, Thomas Morley, 2019/12/05
- Re: Size of the arpeggio's arrow, Paolo Pr, 2019/12/05
- Re: Size of the arpeggio's arrow, Thomas Morley, 2019/12/06
- Re: Size of the arpeggio's arrow, Paolo Pr, 2019/12/06
- Re: Size of the arpeggio's arrow, Thomas Morley, 2019/12/07
- Re: Size of the arpeggio's arrow, Werner LEMBERG, 2019/12/07