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Re: filters-image-02-b incorrect?

From: Erik Dahlstrom <ed@opera.com>
Date: Mon, 20 Dec 2010 10:45:35 +0100
To: public-svg-wg@w3.org
Message-ID: <op.vn0ap9g7geuyw5@localhost>
On Sat, 18 Dec 2010 00:44:02 +0100, Cameron McCormack <cam@mcc.id.au>  
wrote:

> It looks like filters-image-02-b might be incorrect:
>
>   http://dev.w3.org/SVG/profiles/1.1F2/test/harness/htmlObjectMiniApproved/filters-image-02-b.html
>
> The test relies on a to-animation using <animate> for xlink:href="".
> SMIL says that for such animations (because xlink:href="" values can
> never be interpolated) it should be implied that it uses
> calcMode="discrete".  This has implications on the timing – in
> particular, it means that the animation changes the image to the pink
> one immediately at the beginning of the animation.
>
>   https://bugzilla.mozilla.org/show_bug.cgi?id=619971
>
> An easy way to fix the test would be to add a from="" to the <animate>,
> or make it use values="" instead.
>
> Do others agree with this assessment?

Either of those changes would be fine with me, the test is really testing  
that xlink:href is animatable in feImage, not the timing (or at least  
wasn't meant to).

On a sidenote, is there a test for the discrete "to" behaviour? It seems  
that would be somewhat useful.

Cheers
/Erik

-- 
Erik Dahlstrom, Core Technology Developer, Opera Software
Co-Chair, W3C SVG Working Group
Personal blog: http://my.opera.com/macdev_ed
Received on Monday, 20 December 2010 09:46:16 GMT

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