Hi Klaus,
On Wed, Apr 1, 2015 at 9:13 AM, Klaus Blum <[email protected]> wrote:
> Dear LilyPond fellows,
>
> how can I read a property?
> For example, after having applied
> \override HorizontalBracket.line-thickness = #0.5
> is there an easy way to access that value?
>
> I know that it will work like this:
>
> colorSpan =
> #(define-music-function (parser location y-lower y-upper color)
> (number? number? color?)
> #{
> \once\override HorizontalBracket.stencil =
> $(lambda (grob)
> (let* (
> (thick (ly:grob-property grob 'line-thickness 1))
> ... do other stuff ...
> (ly:make-stencil (list 'color color
> (ly:stencil-expr (ly:round-filled-box X-ext Y-ext 0))
> X-ext Y-ext))))
> #})
>
> But that only works "inside" this replacement function. Am I missing the
> obvious?
>
>
> I'm trying to expand what has been started with snippet 960:
> http://lsr.di.unimi.it/LSR/Item?id=960
> This is how far I've come:
> ColorSpan-Showcase.ly
> <http://lilypond.1069038.n5.nabble.com/file/n173954/ColorSpan-Showcase.ly>
> ColorSpan-Showcase.pdf
> <http://lilypond.1069038.n5.nabble.com/file/n173954/ColorSpan-Showcase.pdf
> >
> ColorSpan-Example.ly
> <http://lilypond.1069038.n5.nabble.com/file/n173954/ColorSpan-Example.ly>
> ColorSpan-Example.pdf
> <http://lilypond.1069038.n5.nabble.com/file/n173954/ColorSpan-Example.pdf>
>
> Now I'm looking for a way to turn it into some easy-to-use functions.
> Also, I will try to apply that to David Nalesnik's code from this thread:
> http://lilypond.1069038.n5.nabble.com/box-around-notes-td35581.html
>
> Any suggestions are welcome!
>
> Cheers,
> Klaus
>
>
>
>
> --
> View this message in context:
> http://lilypond.1069038.n5.nabble.com/Reading-a-property-tp173954.html
> Sent from the User mailing list archive at Nabble.com.
>
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