- From: Dean Jackson <dino@apple.com>
- Date: Thu, 29 Aug 2013 09:58:53 +1000
- To: Cameron McCormack <cam@mcc.id.au>
- Cc: "public-fx@w3.org" <public-fx@w3.org>
On 23 Aug 2013, at 11:09 am, Cameron McCormack <cam@mcc.id.au> wrote: > During the SVG telcon this morning, we talked about what it would mean to allow additive animation of filter functions in the 'filter' property, and I said I would send a mail with some more details (this is my ACTION-3520). > > Remember that "additive animations" in SVG are those that layer on top of other animations for the same attribute/property. So if you had: > > <g> > <animate attributeName="filter" dur="10s" > values="grayscale(0.5) blur(0px); grayscale(1) blur(4px)"/> > <animate attributeName="filter" dur="10s" > values="opacity(1); opacity(0.5)" additive="sum"/> > </g> > > what is the animated value of 'filter' at a given point during the animation? > > I think it makes sense for the "adding" operation to be "concatenate the lists". So the value at t=5s would be: > > grayscale(0.75) blur(2px) opacity(0.75) Agreed. Dean
Received on Wednesday, 28 August 2013 23:59:28 UTC