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[css-compositing][filter-effects] isolation vs enable-background

From: Dirk Schulze <dschulze@adobe.com>
Date: Tue, 7 Aug 2012 10:28:06 -0700
To: www-style list <www-style@w3.org>
Message-ID: <EC3D18BC-AEB9-4301-BCD7-23F234E883AF@adobe.com>
Hi CSS folks,

Sorry for jumping in late. I just realized that the CSS Compositing and Blending is using the property 'isolation'[1]. I see the problem is that 'isolation' does exactly the same thing as 'enable-background' [2] from Filter Effects. I would rather avoid to implement two properties with the same behavior but different names and keywords:

isolation: isolate | new
enable-background: accumulation | new

Personally I don't have a preference over the property name. But 'enable-background' is already implemented in a lot of SVG viewers as well as Opera and Internet Explorer 10. So there is no way for the Filter Effect spec t change the name (which is based on the RC of SVG 1.1 [3]).

Is it possible that we can use the same property name and keywords in CSS Compositing and Blending and share the definition of the property?


[1] https://dvcs.w3.org/hg/FXTF/rawfile/tip/compositing/index.html#enable-background
[2] https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html#AccessBackgroundImage
[3] http://www.w3.org/TR/SVG/filters.html#EnableBackgroundProperty
Received on Tuesday, 7 August 2012 17:28:36 UTC

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