Re: [ft-devel] questions about OpenType fonts with CFF data

[Tom Kacvinsky]

http://www.adobe.com/devnet/font/pdfs/5176.CFF.pdf  should give you  
more information on CFF.

AS for your assumptions:

(1) Most OpenTpe/CFF fonts I have seen have only one font in the FontSet

(2) There are other font encoding methods that can be used besides  
CID keyed fonts

(3) I've never seen a CFF font that uses Type 1 charstrings.  So you  
are left with Type 2
      charstrings.

Regards,

Tom


On 2009/10/03, at 12:57 , Manlio Perillo wrote:

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> Hi.
>
> I'm writing an OpenType font parser (in Python), and I want to  
> implement
> support for parsing the CFF data (I found the parser code in FreeType
> very useful, thanks).
>
> Unfortunately the OpenType spec is not very detailed about CFF, so I
> have decided to ask the questions here; I hope its not a problem!
>
> I have 3 questions:
> 1) Should I assume that only 1 font is allowed in the FontSet?
> 2) Should I assume that only CID-keyed fonts are allowed?
> 3) Should I assume that only charstring type 2 format is allowed?
>
>
>
> Thanks   Manlio Perillo
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