Re: [Render] Re: OpenType support in Pango
- From: Werner LEMBERG <wl gnu org>
- To: render xfree86 org, otaylor redhat com
- Cc: freetype freetype org, gtk-i18n-list gtk org
- Subject: Re: [Render] Re: OpenType support in Pango
- Date: Thu, 21 Dec 2000 00:05:51 +0100 (CET)
> It's true that the implementation in FT1 where the string is copied
> over for every lookup applied is not very suited to applying large
> sets of lookups, however I think the model:
>
> - Set per-glyph properties determining which lookups should be
> applied.
> - Apply a series of lookups to the entire string.
>
> Is fine, and a lot simpler than alternatives.
Note that the FT1 code has been written mainly for demonstration
purposes. I'm not a specialist for string manipulation, and I'm sure
that a more efficient implementation is possible.
What exactly do you mean with `alternatives'? Data-structures
resp. implementation issues or the lookup algorithm itself? If you
mean the latter, can you please elaborate?
Werner
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