W3C home > Mailing lists > Public > www-style@w3.org > December 2013

Re: [css-compositing] Request to move Compositing and Blending spec to CR

From: James Robinson <jamesr@google.com>
Date: Thu, 12 Dec 2013 18:47:50 -0800
Message-ID: <CAD73mdKVOT_hVstETFz_2xVT7knoXfc9xsmBb0ZbPMS9kZ6SMw@mail.gmail.com>
To: Rik Cabanier <cabanier@gmail.com>
Cc: www-svg <www-svg@w3.org>, www-style list <www-style@w3.org>, "public-fx@w3.org" <public-fx@w3.org>
On Thu, Dec 12, 2013 at 6:09 PM, Rik Cabanier <cabanier@gmail.com> wrote:

> The paragraph in question describes a compositing model that is not used
>> by canvas or HTML or CSS or SVG any other web technology and that there are
>> no plans to use in any web technology.  in way way do you think that it
>> *is* helpful to have in a web standard?
>>
>
> There are plans. CSS compositing was going to use clip-to-self which is
> why it was deferred to level 2; it required too many changes which would
> slow down progress.
>

I think that would be a bad idea, for the reasons in my first reply.


>
> Even if that was not the case, it's good to call out that there are
> different compositing modes and that canvas is using a particular one.
>

Do it on a blog or in a book or something other than in a web standard
spec, in that case.  We don't put all text that is potentially useful in
specs especially when it's describing behavior that is specifically *never*
used on the web.

- James


> That section of the spec has already come in handy when talking to browser
> developers (ie the skia team) and the graphics driver (ie NVidia)
>
Received on Friday, 13 December 2013 02:48:19 UTC

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