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Re: [css3-background] Where we are with Blur value discussion

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Fri, 16 Jul 2010 15:30:46 -0700
Message-ID: <AANLkTim1MxnZNOpLv9hNuHdAHsrnDUM9wRpp9a56V6HK@mail.gmail.com>
To: Aryeh Gregor <Simetrical+w3c@gmail.com>
Cc: "L. David Baron" <dbaron@dbaron.org>, Brad Kemper <brad.kemper@gmail.com>, Simon Fraser <smfr@me.com>, Brendan Kenny <bckenny@gmail.com>, www-style list <www-style@w3.org>
On Fri, Jul 16, 2010 at 3:14 PM, Aryeh Gregor <Simetrical+w3c@gmail.com> wrote:
> On Thu, Jul 15, 2010 at 5:41 PM, Tab Atkins Jr. <jackalmage@gmail.com> wrote:
>> ?_?  That sounds plenty testable to me.  Grab the pixels, verify they
>> form a gradient, then check where the 99% point is hit.  Sounds easy
>> to me.
>
> What algorithm do you propose to "verify they form a gradient"?  Other
> than specifying a canonical type of gradient (say, Gaussian) and just
> comparing against that?

By "forms a gradient" I mean "creates a monotonic transition from one
color to another".  That's easy to verify by just walking the pixels.

~TJ
Received on Friday, 16 July 2010 22:31:38 GMT

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