On Wednesday 02 July 2008 12.44:46 Mattias Gärtner wrote:
> > > I don't see how this have a big impact on the performance.
> >
> > The code is complicated enough, don't you think? ;-)
>
> Ah, sorry, now I understand.
> You meant, the performance penalty of the *programmer* is not negligible
> comparing ASCII/UCS-2 and UTF-8/16.

:-))))

> Yes, it's true, that for layout code it is often better (readability,
> maintance) to refactor the code first, before extending it for UTF.
> Especially if it is optimized code.
> BTW, where is the layout code that handles Right-To-Left, kerning and sub
> pixel rendering?

Not supported. For wisiwig layout calculations of Truetype and Postscript 
printer fonts a scaled up shaddow font is used for emulation of sub pixel 
placement.
Full Unicode handling is much more than to have the ability to encode all 
possible Unicode points...

Martin
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