On 26/06/14 00:33, David Nalesnik wrote:
On Wed, Jun 25, 2014 at 3:02 PM, Pierre Perol-Schneider <
pierre.schneider.pa...@gmail.com> wrote:
Hi,
This thread :
http://lilypond.1069038.n5.nabble.com/Positioning-spanner-at-different-height-after-line-break-td163618.html
made me think that maybe it would be good to find another example for this
part :
http://www.lilypond.org/doc/v2.18/Documentation/extending/difficult-tweaks.html
since it's now easy to tweak with the \alterBroken command.
Perhaps with a nested property (which \alterBroken won't handle)?
It's worth noting that the example in the NR changes 'extra-offset through
'after-line-breaking. The example can be adapted to work directly as an
override of 'extra-offset (which is what \alterBroken does essentially):
#(define (my-callback grob)
(let* (
;; have we been split?
(orig (ly:grob-original grob))
;; if yes, get the split pieces (our siblings)
(siblings (if (ly:grob? orig)
(ly:spanner-broken-into orig)
'())))
(if (and (>= (length siblings) 2)
(eq? (car (last-pair siblings)) grob))
'(-2 . 5))))
\relative c'' {
\override Tie.extra-offset = #my-callback
c1 ~ \break
c2 ~ c
}
--David
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Hello,
http://code.google.com/p/lilypond/issues/detail?id=4090
I think David N and I got sidetracked about a display issue of the
existing tweak using lilypond, lilypond-book and how the doc images are
created.
So if David N, you can think of a better example using '.. a nested
property' (whatever that is :) ) then I feel free to make a patch or
update the tracker and I can make a patch.
James
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