Re: Utility of background-composite and background-blend-mode?

On Sun, Mar 3, 2013 at 8:28 PM, Robert O'Callahan <robert@ocallahan.org>wrote:

> On Fri, Feb 1, 2013 at 10:52 AM, Rik Cabanier <cabanier@gmail.com> wrote:
>
>> On Thu, Jan 31, 2013 at 1:41 PM, Robert O'Callahan <robert@ocallahan.org>wrote:
>>
>>> What are the use-cases for 'background-composite'? It seems like a very
>>> specialized feature whose effect can be achieved pretty easily by just
>>> using more elements or (in some cases) pseudo-elements.
>>>
>>
>> I agree it's pretty specialized. We've seen people use it to make small
>> animations. ie https://github.com/simurai/lab/tree/gh-pages/icons
>> It's fairly simple to implement so I added it to the spec.
>>
>
> There's still a cost. I would like other browser vendors to chime in with
> opinions on whether they think this is worth having.
>

I would be happy postponing 'background-composite' until the next level of
the spec. The reason is that it will be hard (if not impossible for certain
UA's) to implement concurrently with 'background-blend-mode' which is more
useful and easier to grasp for authors.