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Re: [css4-background] use cases for 'border-corner-shape'?

From: L. David Baron <dbaron@dbaron.org>
Date: Sun, 24 Mar 2013 16:39:00 -0700
To: Brad Kemper <brad.kemper@gmail.com>
Cc: Lea Verou <lea@w3.org>, "www-style@w3.org" <www-style@w3.org>
Message-ID: <20130324233900.GA1468@crum.dbaron.org>
On Sunday 2013-03-24 16:24 -0700, Brad Kemper wrote:
> On Mar 24, 2013, at 2:38 PM, "L. David Baron" <dbaron@dbaron.org> wrote:
> 
> > I don't think there's enough
> > demand to ask that it be put into CSS as its own feature, requiring
> > substantial addition of implementation complexity (e.g., clipping
> > regions of those shapes, etc.).
> 
> Do you expect to be implementing CSS Masking using
> border-image-like syntax? (1) If so, isn't the new feature pretty
> much just syntactic sugar for an internally created SVG
> border-image and mask?

I don't think so, because it creates different author expectations
of performance.  If authors use a masking feature, they're more
likely to expect a substantial performance hit than for a border
feature.  Then again, maybe authors should expect substantial
performance hits for borders; they're often pretty slow.

-David

-- 
𝄞   L. David Baron                         http://dbaron.org/   𝄂
𝄢   Mozilla                           http://www.mozilla.org/   𝄂
Received on Sunday, 24 March 2013 23:39:24 GMT

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