Hi Dirk, we originally had both keywords in the spec, but decided that it was too confusing so combined them into one. Most people didn't like the 'enable-background' property so we kept the 'isolation' name and deprecated the old one. We did this under the impression that few implementations have support for 'enable-background'. For the few that have it, they could simply map it to the 'isolation' property. Rik On Tue, Aug 7, 2012 at 10:28 AM, Dirk Schulze <dschulze@adobe.com> wrote: > 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? > > Greetings, > Dirk > > [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 Monday, 13 August 2012 00:08:24 UTC
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