W3C home > Mailing lists > Public > www-style@w3.org > June 2010

Re: Border-radius proposal

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Wed, 30 Jun 2010 07:40:56 -0700
Message-ID: <AANLkTilfNrRsOJz0uS5wAUMDPD1npvbBPd9PhZraLjLx@mail.gmail.com>
To: Sean Edison-Albright <sean.albright+css@gmail.com>
Cc: www-style@w3.org
On Sun, Jun 27, 2010 at 7:11 AM, Sean Edison-Albright
<sean.albright+css@gmail.com> wrote:
> Greetings, all!
> The moderator of css-d suggested this might be a more appropriate
> forum for this proposal.  I was wondering if anyone had considered
> allowing negative arguments to the border-radius property to create a
> sort of scooped-out rounded corner -- like you might see on an
> old-fashioned movie ticket or a decorative border.  It seems like a
> fairly logical, and useful extension of the existing behavior.  What

While that sort of border effect could be useful, allowing it through
a negative argument on border-radius doesn't seem like a great way to
do it.  What happens if you specify both the height and width of a
corner, and one is positive but the other negative?

If we want multiple different corner styles (we do), then we should
address that directly through a separate property.  That way we can
present normal corners, scooped corners like you describe, and several
others, like dogear corners (just a straight line  cutting it off).

That way you'd create a scooped corner with something like this:

foo {
  border-radius: 8px;
  border-radius-style: scooped;

Received on Wednesday, 30 June 2010 14:41:52 UTC

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