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Re: Compositing math in SVG

From: Calculemus <calculemus1988@gmail.com>
Date: Sun, 29 Jul 2012 03:02:08 +0200
Message-ID: <CAOn8Oo_kgX32oYQp_C8VsK8-JevQ5if+jaMHaZfvaQrxYtEeLQ@mail.gmail.com>
To: Rik Cabanier <cabanier@gmail.com>
Cc: Dirk Schulze <dschulze@adobe.com>, "steve@fenestra.com" <steve@fenestra.com>, "www-svg@w3.org" <www-svg@w3.org>
Ah, can't get it to work....

In the first case, what exactly is Cs and what is Cb?
Cb is the old background, but I am not clear with what Cs
is. From your example it seems it is B(Cb,Cs) but then
the formula:

c0 = s x (1 - b) x Cs + s x b x B(Cb, Cs) + (1 - s) x b x Cb

becomes:

c0 = 0 x (1 - b) x B(Cb, Cs) + 0 x b x B(Cb, B(Cb, Cs)) + (1 - 0) x b x Cb

and that is confusing...
Received on Sunday, 29 July 2012 01:02:35 GMT

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