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Re: [css3-images] comments on radial gradients

From: L. David Baron <dbaron@dbaron.org>
Date: Wed, 14 Mar 2012 17:38:03 -0500
To: "Tab Atkins Jr." <jackalmage@gmail.com>
Cc: www-style@w3.org
Message-ID: <20120314223803.GA20477@pickering.dbaron.org>
On Wednesday 2012-03-14 15:07 -0700, Tab Atkins Jr. wrote:
> > In section 4.3 (Repeating gradients),
> > http://dev.w3.org/csswg/css3-images/#repeating-gradients :
> >
> >  I think this section ought to be clearer about how negative color
> >  stops are handled for repeating radial gradients.  The rules for
> >  repeating in this section seem to contradict the earlier statement
> >  that positions less than 0 have no effect on rendering in radial
> >  gradients, since direct application of the repeating rules seems
> >  to make them take up space and render.
> 
> Why isn't this handled by the existing text?  "When rendered, however,
> the color-stops are repeated infinitely in both directions, with their
> positions shifted by multiples of the difference between the last
> specified color-stop's position and the first specified color-stop's
> position."

I can't even tell from that which behavior you're saying happens.
Given:

  background: repeating-radial-gradient(red -50%, green 0%, blue 100%)

Does the red->green part show up or not?  The radial gradients
section explicitly says that it doesn't, and the repeating gradients
section explicitly says that it does.

-David

-- 
𝄞   L. David Baron                         http://dbaron.org/   𝄂
𝄢   Mozilla                           http://www.mozilla.org/   𝄂
Received on Wednesday, 14 March 2012 22:38:44 GMT

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