Easy layer access for rgb8 filters.

[Boudewijn Rempt]

On Monday 17 January 2005 11:57, Casper Boemann wrote:

> Does it matter if it is a little bit larger than actual (I could change to
> a closer fit on the expence of slower iterators). But I don't see a real
> need for a closer fit - why is that important ?

Because people don't expect their filters to work on pixels that aren't there. 
But we don't need to burden all the iterators with that, we could keep track 
of the true extent and return that when asked for it.

-- 
Boudewijn Rempt 
http://www.valdyas.org/fading/index.cgi
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