This is brilliant!
Thanks to all for the various solutions!
> On 7. Jul 2018, at 16:18, Pierre Perol-Schneider
> <pierre.schneider.pa...@gmail.com> wrote:
>
> But of course !! Thanks very much Orm !
> Cheers,
> Pierre
>
> 2018-07-07 16:15 GMT+02:00 Orm Finnendahl
> <orm.finnend...@selma.hfmdk-frankfurt.de>:
> Hi Pierre,
>
> Am Samstag, den 07. Juli 2018 um 15:54:41 Uhr (+0200) schrieb Pierre
> Perol-Schneider:
> > Plus : any idea why 'testTwo does not work ?
>
> because the argument type of "arg" was string?. Below is the updated
> version:
>
> --
> Orm
>
>
> %circled-pattern
> #(define-markup-command
> (circled-pattern layout props radius angle num arg)
> (number? number? number? markup?)
> (interpret-markup layout props
> (let ((rep (abs num)))
> (cond
> ((= num 0) (markup ""))
> ((= num 1) (markup arg))
> (#t (markup
> (#:combine
> (#:null)
> (fold
> (lambda (i prev)
> (markup
> (#:combine
> (#:rotate
> (* i (/ angle rep))
> (#:concat (#:null #:hspace radius arg)))
> prev)))
> (markup (#:null))
> (iota (1+ rep))))))))))
>
> testOne = \markup "."
> testTwo = \markup { \rotate #45 "!" }
>
> \markup\circled-pattern #5 #180 #15 \testOne
> \markup\circled-pattern #5 #-180 #15 \testOne
> \markup\circled-pattern #5 #180 #2 \testOne
> \markup\circled-pattern #5 #180 #1 \testOne
> \markup\circled-pattern #5 #180 #0 \testOne
>
> \markup\circled-pattern #5 #360 #5 \testTwo
>
>
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