bltSelection

[Boudewijn Rempt]

On Tuesday 14 June 2005 21:49, Adrian Page wrote:

> It may be intentional the way it's done at the moment, but I would
> multiply the source alpha by the mask value rather than use thresholds.
> That way anti-aliased selections work perfectly, 'selecting' the correct
> amount of the pixel in question, whatever its alpha is.

I seem to vaguely remember that there was a reason for thresholding, but I 
guess it was because we couldn't easily get at the selctedness in an iterator 
at that time.
-- 
Boudewijn Rempt 
http://www.valdyas.org/fading/index.cgi
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