[HarfBuzz] Unicode vs glyphs

[Tom Hacohen]

On Tue, 2011-06-14 at 13:46 +0200, Eduardo Castiñeyra wrote:
> For instance, I used fribidi in the past and it returned the visual 
> string in Unicode format. I think that hb_shape does pretty the same 
> thing. The only reason I imagine is that not all the glyphs may have an 
> index in the Unicode table, so it would be imposible to represent them 
> all as Unicode indices, but I don't know whether it is true.
> 
This is true, and this is exactly why.

What do you need the "visual unicode string" for anyway?

> Is there any literature about layout processing for not having to ask 
> these kind of questions in the list? I'm very lost on what to expect 
> from i18n libraries.
I mostly use the Microsoft pages, but if you can find something else,
please let me know.

--
Tom.