On Wed, Apr 26, 2017 at 3:08 PM, Kieren MacMillan
<[email protected]> wrote:
> Hi all,
>
>> I think this request is idiosyncratic enough to be left to a
>> two-stage process, some thing along the lines of:
>
> That would work, of course… but I think it would be easier (and better for
> long-term maintainability) to do it all in Lilypond, e.g.,
>
> %% SNIPPET BEGINS
> \version "2.19.17"
>
> \paper {
> ragged-right = ##t
> indent = 0
> }
>
> music = {
> \overrideProperty Score.NonMusicalPaperColumn.line-break-system-details
> #'((X-offset . 38))
> \repeat unfold 8 c'' \break
> \overrideProperty Score.NonMusicalPaperColumn.line-break-system-details
> #'((X-offset . 33))
> \repeat unfold 12 c'' \break
> \overrideProperty Score.NonMusicalPaperColumn.line-break-system-details
> #'((X-offset . 46))
> \repeat unfold 4 c'' \break
> \overrideProperty Score.NonMusicalPaperColumn.line-break-system-details
> #'((X-offset . 39.5))
> \repeat unfold 8 c'' \break
> }
>
> \score { \music }
> %% SNIPPET ENDS
>
> A little trial-and-error is required if doing it manually, but there might be
> a way to automate the process.
>
Here you go:
%%%%%%%%%%%%%%%%%
\version "2.19"
\paper {
ragged-right = ##t
indent = 0
}
\layout {
\context {
\Score
\override NonMusicalPaperColumn.after-line-breaking =
#(lambda (grob)
(if (eqv? (ly:item-break-dir grob) 1) ; line beginning
(let* ((sys (ly:grob-system grob))
(sys-width (ly:grob-extent sys sys X))
(layout (ly:grob-layout grob))
(line-full-width (ly:output-def-lookup layout 'line-width)))
(ly:grob-set-nested-property! grob
'(line-break-system-details X-offset)
(/ (- line-full-width (interval-length sys-width)) 2)))))
}
}
music = {
\repeat unfold 8 c'' \break
\repeat unfold 12 c'' \break
\repeat unfold 4 c'' \break
\repeat unfold 8 c'' \break
}
\score { \music }
%%%%%%%%%%%%%%%%%%
Hope this helps,
David
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