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Re: order of alterations in Staff.keySignature for general keysignatures
From: |
Reinhold Kainhofer |
Subject: |
Re: order of alterations in Staff.keySignature for general keysignatures |
Date: |
Sun, 30 Nov 2008 17:55:19 +0100 |
User-agent: |
KMail/1.10.3 (Linux/2.6.27-9-generic; KDE/4.1.3; i686; ; ) |
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Am Sonntag, 30. November 2008 16:41:14 schrieb Neil Puttock:
> 2008/11/30 Trevor Daniels <address@hidden>:
> > I've added a suitable comment to the snippet.
>
> I'm afraid it's not necessarily the case that they'll always be in
> reverse order, since the ordering is controlled by keyAlterationOrder
> (which obviously defaults to standard classical ordering).
No, the keyAlterationOrder only affects the generation of the keySignature
alist from the pitch-alist of the KeyChangeEvent. The Key_engraver::read_event
function also creates the keySignature list in the reverse order using the
keyAlterationOrder...
Once the keySignature list is created (either by Key_engraver::read_event for
standard \key settings or by setting it manually), the
Key_engraver::create_key method only takes that list verbatim and prints its
contents in reverse order...
I've played around a little bit, inserting three scm_reverse calls in key-
engraver.cc to make keySignature use the proper (unreversed) ordering of the
alterations. I'll send a patch as soon as I've finished my other coding.
Cheers,
Reinhold
- --
- ------------------------------------------------------------------
Reinhold Kainhofer, Vienna University of Technology, Austria
email: address@hidden, http://reinhold.kainhofer.com/
* Financial and Actuarial Mathematics, TU Wien, http://www.fam.tuwien.ac.at/
* K Desktop Environment, http://www.kde.org, KOrganizer maintainer
* Chorvereinigung "Jung-Wien", http://www.jung-wien.at/
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