Percent repeat counters for piano music - Revision history

Lemzwerg: New category

2025-11-21T23:27:39Z

New category

← Older revision		Revision as of 23:27, 21 November 2025
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	[[Category:Staff notation]]		[[Category:Staff notation]]
	[[Category:Contexts and engravers]]		[[Category:Contexts and engravers]]
	[[Category:Scheme]][[Category:Snippet]]		[[Category:Scheme]]
			[[Category:Snippet]]

Lemzwerg at 22:57, 21 November 2025

2025-11-21T22:57:15Z

← Older revision		Revision as of 22:57, 21 November 2025
Line 72:		Line 72:
	[[Category:Staff notation]]		[[Category:Staff notation]]
	[[Category:Contexts and engravers]]		[[Category:Contexts and engravers]]
	[[Category:Scheme]]		[[Category:Scheme]][[Category:Snippet]]

Jean Abou Samra: Replace version="2.24.0" with version="2.24" now that the LilyWiki extension supports auto-selecting the latest release in a stable series

2025-11-16T18:57:39Z

Replace version="2.24.0" with version="2.24" now that the LilyWiki extension supports auto-selecting the latest release in a stable series

← Older revision		Revision as of 18:57, 16 November 2025
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	In piano music parts it is customary to put the repeat counters between the staves. While it is rather straightforward to add the two percent repeat engravers to the <code>Dynamics</code> context (which we use for centering the counter numbers), it is non-trivial to get some vertical whitespace above and below the digits for the double percent repeat counter.		In piano music parts it is customary to put the repeat counters between the staves. While it is rather straightforward to add the two percent repeat engravers to the <code>Dynamics</code> context (which we use for centering the counter numbers), it is non-trivial to get some vertical whitespace above and below the digits for the double percent repeat counter.

	<lilypond version="2.24.0">		<lilypond version="2.24">
	%% http://lsr.di.unimi.it/LSR/Item?id=883		%% http://lsr.di.unimi.it/LSR/Item?id=883

Jean Abou Samra: Import snippet from LSR

2025-10-26T22:49:58Z

Import snippet from LSR

New page

In piano music parts it is customary to put the repeat counters between the staves. While it is rather straightforward to add the two percent repeat engravers to the <code>Dynamics</code> context (which we use for centering the counter numbers), it is non-trivial to get some vertical whitespace above and below the digits for the double percent repeat counter.

<lilypond version="2.24.0">
%% http://lsr.di.unimi.it/LSR/Item?id=883

\relative c' {
\new PianoStaff <<
\new Staff {
\repeat percent 2 { e4 e e e } |
\repeat percent 2 {
f4 f f f |
d4 d d d
}
}

\new Dynamics {
\set countPercentRepeats = ##t
\repeat percent 2 { s1 } |
\repeat percent 2 { s1*2 }
}

\new Staff {
\repeat percent 2 { e4 e e e } |
\repeat percent 2 {
f4 f f f |
d4 d d d
} |
}
>>
}

\layout {
\context {
\Dynamics

% Add percent repeat engravers.
\consists "Percent_repeat_engraver"
\consists "Double_percent_repeat_engraver"

% Don't display the repeat glyphs.
\override PercentRepeat.transparent = ##t
\override DoublePercentRepeat.transparent = ##t

% Center the counter numbers -- this is easy,
% since the used feta digits are exactly two staff spaces high.
\override PercentRepeatCounter.Y-offset = #-1
\override DoublePercentRepeatCounter.Y-offset = #-1

% Simply setting the `whiteout' property avoids a clash between
% the counter and the barline, however, there is no vertical
% padding which makes the result unsatisfactory.
%
% We thus use a hand-made stencil instead to white out 0.5 units
% above and below the digit. The code is based on the
% `stencil-whiteout-box' function (in file `scm/stencil.scm').
\override DoublePercentRepeatCounter.stencil =
#(lambda (grob)
(let* ((stencil (ly:text-interface::print grob))
(x-ext (ly:stencil-extent stencil X))
(y-ext (ly:stencil-extent stencil Y))
(y-ext (interval-widen y-ext 0.5)))
(ly:stencil-add
(stencil-with-color (ly:round-filled-box x-ext y-ext 0.0)
white)
stencil)))
}
}
</lilypond>

[[Category:Repeats]]
[[Category:Keyboards]]
[[Category:Staff notation]]
[[Category:Contexts and engravers]]
[[Category:Scheme]]