Re: Absolute font-size for TextScript

[Kieren MacMillan]

Hi Paolo,

> how exactly do I have to call \absFontSize

%%%%
\version "2.19.83"

allowGrobCallback =
#(define-scheme-function (parser location syms) (symbol-list?)
   (let ((interface (car syms))
         (sym (cadr syms)))
     #{
       \with {
         \consists #(lambda (context)
                      `((acknowledgers .
                          ((,interface . ,(lambda (engraver grob 
source-engraver)
                                            (let ((prop (ly:grob-property grob 
sym)))
                                              (if (procedure? prop) 
(ly:grob-set-property! grob sym (prop grob)))
                                              ))))
                          ))
                      )
       }
     #}))

absFontSize =
#(define-scheme-function (parser location pt)(number?)
   (lambda (grob)
     (let* ((layout (ly:grob-layout grob))
            (ref-size (ly:output-def-lookup (ly:grob-layout grob) 
'text-font-size 12)))
       (magnification->font-size (/ pt ref-size))
       )))

% LilyBin
\score {

  { c'1^"foobar" d'2-> \once \override Script.font-size = \absFontSize #72  2-> 
}

  \layout {
    \context {
      \Score
      \allowGrobCallback font-interface.font-size
      \override TextScript.font-size = \absFontSize #22
    }
  } 
}
%%%%

Hope that helps!
Kieren.
________________________________

Kieren MacMillan, composer (he/him/his)
‣ website: www.kierenmacmillan.info
‣ email: info@kierenmacmillan.info