Re: context properties within def-markup-command

[Han-Wen Nienhuys]

Andrzej Kopec wrote:
> Dear list,
>
> How to obtain context properties from within def-markup-command, or is it 
> possible though?
>
> I would like to use it to get properly scaled embeded-ps fragments 
> AUTOMATICALLY. Maybe
> example would present clearer my problem:
>
> this works with an argument:
>
> #(def-markup-command (myCustomClefScaled layout props scaleFactor) (number?)
>   (ly:stencil-add
>    (ly:make-stencil (list 'embedded-ps (string-append 
>      (ly:number->string scaleFactor) " " 
>      (ly:number->string scaleFactor) " scale
>      %%AND HERE GOES FURTHER PART OF PS CODE
>      " )) '(-3.5 . 3.5) '(-1.5 . 1.5))
>   ))
>
> and I want to know value of Staff.fontSize inside this macro, which in turn I 
> want to
> assign to scaleFactor variable.

Staff.fontSize ends up in the font-size property in PROPS. You can't 
access context variables from markups.

--
 Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen