Re: Problem with a font

[Walter Garcia-Fontes]

* Thomas Morley, address@hidden [03/04/18 17:40]:
> > Just a question, sorry if it is obvious, what do you mean by
> > "typographic apostrophes/quotation marks"?
> >
> 
> 
> 
> Probably:  ‘ or ’
> 
> As for italic you may try Torsten's markup-command `slanted' from:
> http://lilypond.1069038.n5.nabble.com/How-to-prevent-ly-stencil-rotate-to-modify-dimensions-tt210800.html
> 
> Leading to:
> 
> #(define-markup-command
>   (slanted layout props arg)
>   (markup?)
>   #:category font
>   #:properties ((slant-angle 12))
>   "Fake a slanted font"
>   (let* ((alpha-rad (* 0.5 (acos (tan (* (/ PI -180) slant-angle)))))
>           (alpha-deg (* (/ 180 PI) alpha-rad))
>           (stencil
>             (if (markup? arg)
>                 (interpret-markup layout props arg)
>                 empty-stencil)))
> 
>     (ly:stencil-outline
>       (ly:stencil-scale
>         (ly:stencil-rotate
>           (ly:stencil-scale
>             (ly:stencil-rotate
>               (ly:stencil-outline stencil point-stencil)
>               45 0 0)
>            1
>            (* (tan alpha-rad)))
>          (* (- alpha-deg)) 0 0)
>        (* (sqrt 2) (cos alpha-rad)) (/ 0.5 (sqrt 0.5) (sin alpha-rad)))
>      stencil)))
> 
> \markup
>   \override #'(font-name . "Escolar2")
>   \line {
>       problem‘s’s
>     \override #'(slant-angle . 18)
>     \slanted
>     { problem‘s’s }
>   }
> 

Awesome! Thanks a lot. 

I get an error in your code for "slanting" the font:

Parsing...letras.ly:18:5:
In expression (ly:stencil-outline (ly:stencil-scale # # ...) stencil):
letras.ly:18:5: Unbound variable: ly:stencil-outline 

-- 
Walter Garcia-Fontes
L'Hospitalet de Llobregat