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Re: ISSUE-2334 - filter primitive subregion and feGaussianBlur (Was: Re: Announcement: Last Call WD of SVG 1.1 Second Edition)

From: Robert O'Callahan <robert@ocallahan.org>
Date: Fri, 9 Jul 2010 00:04:27 -0700
Message-ID: <AANLkTila5OVMHT8lRulfeeC8gmSWqkSX7jdBr-DIwZ9V@mail.gmail.com>
To: Erik Dahlstrom <ed@opera.com>
Cc: "www-svg@w3.org" <www-svg@w3.org>
On Tue, Jul 6, 2010 at 5:46 AM, Erik Dahlstrom <ed@opera.com> wrote:

>
>
> http://dev.w3.org/SVG/profiles/1.1F2/ua-tests/gaussianblur-filter-subregion-issue-2334.svg
>
> It seems that we have at least four implementations (Opera, Chrome, Batik,
> Adobe SVG plugin (and I'd assume Illustrator also - untested though)) that
> conceptually works as "clip the input, apply the filter, clip the output"
> versus one implementation (Firefox) that conceptually "applies the filter
> and then clips the output". Inkscape doesn't seem to handle filter primitive
> subregions (I've tried versions 0.47 and dev-0.48).
>
> It can be argued that either way is better or worse (I think that both ways
> have valid use-cases). Still I'd suggest going with the legacy behaviour
> (input+output clipping) on this one, and adding a way for SVG Filters 1.2 to
> say whether input or output clipping is the desired behaviour, e.g by
> introducing a new filter primitive element feClip.
>
> Thoughts? Would the above resolution be acceptable to you?
>

Yes.

Rob
-- 
"He was pierced for our transgressions, he was crushed for our iniquities;
the punishment that brought us peace was upon him, and by his wounds we are
healed. We all, like sheep, have gone astray, each of us has turned to his
own way; and the LORD has laid on him the iniquity of us all." [Isaiah
53:5-6]
Received on Friday, 9 July 2010 07:04:55 GMT

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