W3C home > Mailing lists > Public > www-style@w3.org > August 2010

Re: [css3-transitions/animations] updates to specifications

From: Dean Jackson <dino@apple.com>
Date: Wed, 25 Aug 2010 04:41:54 +1000
Cc: www-style@w3.org
Message-Id: <924605F5-464C-40B3-97FD-8B671EA18A37@apple.com>
To: Paul Bakaus <paul.bakaus@gmail.com>

On 24/08/2010, at 7:43 PM, Paul Bakaus wrote:

> 
> 
> On Mon, Aug 23, 2010 at 2:16 AM, Dean Jackson <dino@apple.com> wrote:
> I've updated the CSS3 Transitions and Animations editor's drafts with the following changes (as agreed on at the last CSS f2f meeting):
> 
> CSS 3 Transitions - http://dev.w3.org/csswg/css3-transitions/
> 
> - A new timing-function that allows discrete changes, called "steps". It breaks the domain of the animation into a number of equal intervals, each the same increment over the output percentage. The output value is flat along an interval. You control the number of intervals and whether or not the change in output value happens at the start or the end. There are some shorthands, step-start and step-end, which provide the common case - a single discrete change in output.
> 
> Yes! I'm so happy that this made it into the spec draft! This finally allows for sprite animations over background images, which is probably a test case you should feature in the WebKit blog, as it is a usecase that really shows off the new steps feature.


We have not yet implemented the steps() function in WebKit. Hopefully very soon though!

If you're interested:
https://bugs.webkit.org/show_bug.cgi?id=44541

Dean
Received on Tuesday, 24 August 2010 18:42:30 GMT

This archive was generated by hypermail 2.3.1 : Tuesday, 26 March 2013 17:20:30 GMT