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Re: [Devel] CIDCMap support code (alpha version)


From: Werner LEMBERG
Subject: Re: [Devel] CIDCMap support code (alpha version)
Date: Sun, 16 Jun 2002 11:10:56 +0200 (CEST)

> > > It support the cidrange, cidchar, notdefrange and notdefchar
> > > operaters.  And it does not support the bfrange and bfchar
> > > operators because we must change FT_Charmap architecture before
> > > to do it.
> > 
> > It looks very nice!  Do you already have something in mind how
> > charmap support in FT should be changed?
> 
> * New charmap selection scheme.
> 
> The meaning of ft_encoding_ is something wrong.
> We should specfice the charcter set and the its encoding.
> 
> For example, when we use FT_Select_Charmap( ft_encoding_unicode ),
> we do not know the encoding of the charmap because UCS2, UCS4 and
> UTF8 are the charmaps with ft_encoding_unicode.

Maybe it is best to introduce a new `expert' API to be used in
parallel to the current ft_encoding_* stuff.  I can't see an easy way
to combine the current approach in FreeType with the needs for proper
CIDCMap support.

> * psaux module to handle multiple glyph indexes.
> (e.g. <0000ffff>)

I don't understand what you mean with that -- I can't find the term
`multiple glyph indices' in any of Adobe's technical notes for
CIDCMaps.


    Werner



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