On Thu, May 23, 2013 at 8:09 PM, Rik Cabanier <cabanier@gmail.com> wrote:
>
>
> On Thu, May 23, 2013 at 7:53 PM, Robert O'Callahan <robert@ocallahan.org>wrote:
>
>> SVG filters using 'BackgroundImage' has all the problems of CSS
>> blending/compositing, basically.
>>
>
> Yes.
>
> I think there is now a clear path on how to calculate the backdrop for
> HTML but how to calculate it for SVG is still in question.
> There is a spec but only IE and opera implemented it and I think it might
> be cpu intensive.
>
Just tested on IE10: enable-background seems to be working fine in SVG on
IE10/Tablet unless I've made a syntax error (screenshots below). SVG
filters are hw accelerated in IE10, so it's pretty fast.
basic enable-background: http://tinypic.com/r/33wa1i0/5
feBlend=screen example with opacity http://tinypic.com/r/rc3qs0/5
> Filters, blending and opacity should probably cause isolation...
>