[CREATE] [OpenRaster] proposal: new layer modes, ref updates, extra properties for layer groups, impact on apps

[Boudewijn Rempt]

On Mon, 24 Feb 2014, Andrew Chadwick wrote:

> Any more feedback on this? Boud mentioned on IRC that he thinks it
> looks OK, and we had a bit of a to-and-fro on #gimp about it.

Yes, I'm okay with the proposal. Not sure, though, about adding more 
porter duff modes. It could be a long time before I figure out how to 
support them :-)

> People
> are beginning to nag me on Twitter about getting it integrated with
> MyPaint master now.
>
> Since the changes in the latest proposal are pretty minimal, I'd like
> to move ahead with it in the next week. Would that meet with
> everyone's approval?
>
> Quick Q: do we need to any more more than svg:dst-in and svg:dst-out?
> We could add all the Porter-Duff modes, but they're not all equally
> useful! Destination In/Out seem to be the most useful for masking an
> isolated stack. Off the top of my head, svg:src-atop might be of some
> limited use to artists too - the rest, not so much. I'm tempted to add
> them all for completeness however. Any objections?
>
> -- 
> Andrew Chadwick
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