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Re: [css3-transforms] UA supporting only 2D transforms

From: fantasai <fantasai.lists@inkedblade.net>
Date: Fri, 30 Dec 2016 18:24:50 +0330
To: Simon Sapin <simon.sapin@exyr.org>, www-style list <www-style@w3.org>
Message-ID: <85f2f54d-4651-8f56-2254-ab5af2b3d6a5@inkedblade.net>
On 03/24/2013 12:10 AM, Simon Sapin wrote:
> Hi,
>
> Itís been discussed on this list a few times here but I donít remember if there was a conclusion. More importantly, I canít
> find a definitive answer in the ED.
>
> What should an UA do if it only wants to support or can only support 2D transforms?
>
> The "Partial implementations" section seems to indicate that any 'transform' property declaration or attribute value should be
> considered invalid if it contains a 3D functions. (2D and 3D functions already are in different spec section, so thatís good.)
>
> Similarly, I suppose that the 'transform-style', 'perspective', 'perspective-origin' and 'backface-visibility' are ignored. Or
> should the values that establish a stacking context still do that?
>
> The more tricky part is transform-origin with three values. Should a 3-value declaration be invalid? Or should the third just
> be ignored?

It's a bit late, but the WG is in the process of addressing this comment by re-splitting Transforms into 2D and 3D. :p

~fantasai
Received on Saturday, 31 December 2016 12:00:09 UTC

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