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[css3-images] paint sources

From: L. David Baron <dbaron@dbaron.org>
Date: Sun, 5 Feb 2012 19:31:54 +0100
To: www-style@w3.org
Message-ID: <20120205183154.GA2708@pickering.dbaron.org>
http://dev.w3.org/csswg/css3-images/#element-reference
(Overview.html revision 1.269) says the following:

  # Host languages may define that some elements provide a paint
  # source. Paint sources have an intrinsic width, height, and
  # appearance, separate from the process of rendering, and so may
  # be used as images even when they're not being rendered. Examples
  # of elements that provide paint sources are the <linearGradient>,
  # <radialGradient>, and <pattern> elements in SVG, or the <img>,
  # <video>, and <canvas> elements in HTML.

Given that the SVG and HTML specifications don't currently define
that these elements provide a paint source, I think *this*
specification should define that they provide a paint source, and
define how they do.  It can still allow other languages to add
defintions, and future levels of HTML and SVG to revise theirs.

-David

-- 
𝄞   L. David Baron                         http://dbaron.org/   𝄂
𝄢   Mozilla                           http://www.mozilla.org/   𝄂
Received on Sunday, 5 February 2012 20:59:38 GMT

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