David Nalesnik <david.nales...@gmail.com> writes:
> OK! This should do it.
>
>
> Those functions using 'round-filled-box could be tailored to match
> the capabilities of 'dashed-line.
>
>
>
> The rewrite combines both of the approaches above: it uses
> 'round-filled-box for the stencil, and allows you to specify the
> length of the dashes and the spaces in between the dashes. The
> trade-off is that you may need to play around with the values to get
> the stem to end with a dash, or to end with a dash which isn't cut off
> too much.
>
> I incorporated the alterations that Harm made because I think they
> make the code clearer.
>
> I imagine the function build-pos-list could be done more elegantly,
> but at least it works. Any suggestions for doing this more artfully
> are welcome!
I don't really understand the function, but maybe something like
(define (build-pos-list len on off)
(let helper ((lst '()) (next 0) (on on) (off off))
(if (< next len)
(helper (cons next lst) (+ next on) off on)
(reverse! lst (list len)))))
will do. No idea whether this should have an even number of elements
always or not.
--
David Kastrup
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