Werner LEMBERG <[email protected]> writes:
> [2.17.26]
>
> Folks,
>
>
> it seems there isn't an easy possibility to change the size of \tempo
> marks globally. Have I missed something? This code
>
> {
> \tempo "abc" c''1 |
> \override MetronomeMark.font-size = #20
> \override MetronomeMark.font-family = #'sans
> \tempo "abc" c''1 |
> }
>
> has zero effect – inspite of the fact that `font-interface' is
> explicitly mentioned in the list of supported interfaces of
> `MetronomeMark' (in `lilypond-internals'). This smells like a bug...
No, it's by design.
\override MetronomeMark.font-size = #20 is just short for
\override Bottom.MetronomeMark.font-size = #20
which is most often the same as
\override Voice.MetronomeMark.font-size = #20
(unless the current Bottom context isn't a Voice). Maybe we should
explain this better in the override section?
Now you _could_ move the Metronome_mark_engraver to Voice level where
the overrides would indeed see an effect, but that would lead to some
funny-looking scores.
> Looking into metronome-engraver.cc, I see that the whole formatting
> work is delegated to `metronomeMarkFormatter' (something which should
> be mentioned in the documentation of `MetronomeMark'), which in turn
> is by default bound to `format-metronome-markup'. What about making
> `format-metronome-markup' honor the unused `font-size' property of
> `MetronomeMark' grobs? Ditto for `font-shape' and friends.
{
\tempo "abc" c''1 |
\override Score.MetronomeMark.font-size = #20
\override Score.MetronomeMark.font-family = #'sans
\tempo "abc" c''1 |
}
works just fine.
> Of course, I can simply provide a modified version of
> `format-metronome-markup', but I consider this overkill if I just want
> to change the font size...
It's overkill anyway.
If you can't remember your context, try tweaks:
{
\tempo "abc" c''1 |
\tweak font-size #20
\tweak font-family #'sans
\tempo "abc" c''1 |
}
also works fine (starting with 2.17.16, issue 3296).
--
David Kastrup
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