W3C home > Mailing lists > Public > www-svg@w3.org > April 2010

SVG Compositing

From: Dirk Schulze <vbs85@gmx.de>
Date: Tue, 13 Apr 2010 10:14:25 +0200
To: www-svg@w3.org
Message-ID: <1271146465.3599.16.camel@dirk-laptop>

I have a question to SVG Compositing
(http://www.w3.org/TR/2009/WD-SVGCompositing-20090430). Maybe it's to
late to make bigger changes on the Spec anyway, but wouldn't it be
easier to understand compositing by adding a new tag like <composite>?

This tag could have attributes 'source', 'destination', 'operater' and
other attributes depending on the operator. The handling would be
simular to feComposite

Short example:
  <rect id="rect" width="100" height="100" />
  <circle id="circle" r="50" cx="120" cy="120" />

<composite source="url(#rect)" destination="url(#circle)"
operator="src-in" />

Of course it should be possible to cascade the composite effects.
This is just a design proposal. It's hard to find examples for the use
of enable-background in the web (beside the wrong test in the test
And I don't believe that it will be used more frequently for SVG 2.0 -
with or without Compositing.

Received on Tuesday, 13 April 2010 08:21:39 UTC

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