Re: [Devel] PFR/OpenDoc driver now available

[David Turner]

Hi Ian,

Ian Quigley a écrit :
> 
> > Basically, if only PFR _hinting_ is patented, we could distribute
> > a driver using the auto-hinter, plus an additional configuration
> > macro to eventually implement the hinting (for people and companies
> > like yourself that have a license to).
> 
> For my 2 cents, I didn't know that PFR had any hinting? You have
> Type 1 style horizontal and vertical control stems, and blue
> values. Unless Bitstream have some how managed to patent that?
>
Details can be found at:

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=/netahtml/search-adv.htm&r=1&p=1&f=G&l=50&d=ft95&S1=Bitstream.ASNM.&OS=AN/Bitstream&RS=AN/Bitstream
 

PFR fonts had hints. These are automatically generated from the outlines
when the font is converted to the format (using proprietary Bitstream
code anyway), and are essential to "good" rendering as well..

What's hard to determine is wether the patent covers hinting proper
or the simple glyph decoding algorithm.. I believe the former but I'm
not sure about this just yet..

If you have the time to take a deep look at the patent, maybe you could
enlighten us with more details..

Regards,

- David


> Ian
> 
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