Re: [SVG 1.1] BackgroundImage and alpha compositing

On Wed, 2007-07-11 at 09:19 +1000, Anthony Grasso wrote:
>   - Place a group around the objects and set
> enable-background="accumulate". The downside to this is you may not want
> the accumulated background underneath. Also if the accumulated
> background is transparent you'll probably run into this effect anyway.

Yes, I still experienced the problem in that case.

>   - Add an "in" attribute to feBlend and set it to in="BackgroundAlhpa".
> This will eliminate the effect caused by the transparent background and
> produce the desired output.

Huh.  I'll give it a try...

> The working group recognizes the problem you've raised, and in
> response, 
> we are strongly considering adding a new compositing filter to the SVG
> 1.2 Filters module.

Ok, cool.  How do you forsee such a filter working?

> We hope this response addresses your issue. If not, we are happy to
> consider any other suggestions you may have. Thanks.

I'll let you know; thanks!

-mental