Re: Cannot get a text stencil from this font

[Mark Knoop]

At 16:43 on 05 Sep 2021, Jean Abou Samra wrote:
> Le 05/09/2021 à 16:22, Mark Knoop a écrit :
> > Hi,
> >
> > I'm using Aaron's excellent overlayMarkup function from this thread: 
> > https://lists.gnu.org/archive/html/lilypond-user/2021-09/msg00052.html and am 
> > seeing different behaviour for Script objects depending if they are attached to 
> > notes or to multimeasure rests. See the following example. Any ideas how to 
> > deal with this?
>
> Script has font-encoding set to 'fetaMusic, to look
> up glyphs in music fonts. That's curious as it doesn't
> seem to need it (it uses music font defaults for its
> default stencil anyway). Try:
>
> \version "2.23.3"
>
> overlayMarkup =
> #(define-scheme-function
>  (self-x self-y parent-x parent-y markup)
>  ((number? 0) (number? 0) (number? 0) (number? 0) markup?)
>  (grob-transformer 'stencil
>   (lambda (grob orig)
>    (let* ((xex (ly:stencil-extent orig X))
>           (yex (ly:stencil-extent orig Y))
>           (xoff (interval-index xex parent-x))
>           (yoff (interval-index yex parent-y))
>           (sten (grob-interpret-markup grob markup)))
>     (set! sten (ly:stencil-aligned-to sten X self-x))
>     (set! sten (ly:stencil-aligned-to sten Y self-y))
>     (ly:stencil-add orig
>      (ly:stencil-translate sten (cons xoff yoff)))))))
>
> {
>   R1
>  -\tweak stencil \overlayMarkup 0 0 0 3 "test"
>  \fermata
>  g'1
>  -\tweak stencil \overlayMarkup 0 0 0 3
>    \markup \override #'(font-encoding . latin1) "test"
>  \fermata
> }

Many thanks Jean, that's it. Strange that this is affected by the Grob the 
Script is being attached to.

--
Mark Knoop