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Re: [css-device-adapt] Decoupling zoom and width/height

From: Florian Rivoal <florian@rivoal.net>
Date: Fri, 02 Nov 2012 21:45:39 +0100
To: www-style@w3.org
Message-ID: <op.wm5ymeduf5de51@riboaru-nashiosamus-imac-2.local>
On Wed, 31 Oct 2012 08:58:14 +0100, Rune Lillesveen <rune@opera.com> wrote:

> The current constraining procedure has a coupling between zoom and auto  
> widths/heights (6-9) and extending widths/heights to fill the viewport  
> for a non-auto zoom (10-11).
>
> [...]
>
> I would like to decouple the zoom from width/height by letting auto  
> width/height rely on non-auto width/height and initial viewport only.
>
> [...]
>
> Proposal, rule-wise:
>
> Replace step 6 and 7 with:
>
>    - If width and height are both ‘auto’, set width = initial-width
>
> and drop step 10 and 11.
>
> I have not worked out the details for the meta viewport to @viewport  
> mapping in chapter 11 to keep the same meta viewport behavior, but it  
> looks doable. I'll get back to that.

This makes sense to me. Assuming a semantics preserving mapping with the
meta viewport is possible (which I don't doubt), I think we should do this,
and that it is a good time to do it. The only two implementations I know
of are Opera's, which is willing to change, and Microsoft, whose support
is currently limited to parts not influenced by this change.

  - Florian
Received on Friday, 2 November 2012 20:46:05 GMT

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