Re: Compositing math in SVG from Calculemus on 2012-07-21 (www-svg@w3.org from July 2012)

From: Calculemus <calculemus1988@gmail.com>
Date: Sun, 22 Jul 2012 01:59:10 +0200
To: Rik Cabanier <cabanier@gmail.com>
Cc: steve@fenestra.com, www-svg@w3.org
Message-ID: <CAOn8Oo9P9-9Bt-rVDd3anhR5qO1xo3j630gXaGq=y9qC9tDDJg@mail.gmail.com>

Yes we are using pre-multiplied values so I don't need to
divide the result with alpha. But yes I also calculate the result
alpha as: aa + ba(1-aa)

Hmm, what exactly do you mean by "matte with white"?

Thanks

Received on Saturday, 21 July 2012 23:59:37 UTC