Re: alpha blending

Lawrence D'Oliveiro <[email protected]> Thu, 26 Mar 2015 07:54:51 +1300

Newsgroups	gmane.comp.lib.cairo
Organization	Geek Central
Message-ID	<[email protected]>

On Wed, 25 Mar 2015 11:24:44 -0400, James Cloos wrote:

> It advocates:   blend(x,y) = sqrt((x^2+y^2)/2)

Why?
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