[Rd] Metapost device driver
Peter Dalgaard
P.Dalgaard at biostat.ku.dk
Tue Feb 6 12:41:10 CET 2007
Geoff Russell wrote:
> Hi All,
>
> I've started work on a MetaPost device driver (please don't hold your
> breath) and have one question about a magic number, see below.
>
> I've copied the XFig driver and renamed everything and this works, I can
> open the new metapost() and it works exactly like the xfig
> driver. Now all I have to do is the actual work!
>
> There is a magic number in ExtEntries as follows:
>
> static const R_ExternalMethodDef ExtEntries[] = {
> EXTDEF(PicTeX, 6),
> EXTDEF(PostScript, 16), EXTDEF(XFig, 11),
> EXTDEF(MetaPost, 12), /* Is 12 is OK */
> EXTDEF(PDF, 13),
>
> I just picked 12, is this Ok, or does it have some special significance?
>
>
You seem to have missed the 2nd part of Brian's reply: Yes, it is
significant, and not magic: it's the argument count.
--
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c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
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~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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