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Re: [css-device-adapt] Units

From: Rune Lillesveen <rune@opera.com>
Date: Thu, 01 Nov 2012 11:45:58 +0100
To: "CSS WG" <www-style@w3.org>
Cc: "Kenneth Rohde Christiansen" <kenneth.christiansen@gmail.com>
Message-ID: <op.wm3b6ww18isf1p@id-c1005.oslo.osa>
On Mon, 29 Oct 2012 16:24:27 +0100, Kenneth Rohde Christiansen  
<kenneth.christiansen@gmail.com> wrote:

> Sure that is an option

I've updated the ED to say that viewport units are relative to the initial  
viewport.

> On Mon, Oct 29, 2012 at 4:17 PM, Rune Lillesveen <rune@opera.com> wrote:
>> On Mon, 29 Oct 2012 00:53:20 +0100, Christiansen, Kenneth R
>> <kenneth.r.christiansen@intel.com> wrote:
>>
>> I think it would make sense to disallow these within the @viewport rule.
>>
>>
>> Or resolve the values against the initial viewport. "width: 2vw" would  
>> be
>> the same as "width: 200%".
>>
>>
>>
>> Kenneth
>>
>>
>>
>> From: fremycompany_pub@yahoo.com [mailto:fremycompany_pub@yahoo.com]
>> Sent: Sunday, October 28, 2012 6:34 AM
>> To: CSS WG; Christiansen, Kenneth R; Øyvind Stenhaug
>> Subject: RE: [css-device-adapt] Units
>>
>>
>>
>> While we are at it, I’ve discovered an issue with CSS-Device-Adapt :  
>> there’s
>> nothing preventing you to specify the @viewport { width } declaration in
>> viewport units (vh,vw,vmin,vmax).
>>
>>
>>
>> However, those units are ill-defined in the @viewport rule since the  
>> width
>> isn’t properly computed at this time.
>>
>>
>>
>> @viewport { width: 2vw; }
>>
>>
>>
>> In the only browser supporting both @viewport and Viewport Units  
>> (IE10), the
>> declaration is causing weird rounding issues for viewport units later  
>> in the
>> document so this clearly has border-effects proving it’s not completely
>> ignored (even if the browser didn’t enter in a loop incrementing the
>> viewport width at each relayout operation).
>>
>>
>>
>> To make things simpler, I propose to invalidate the use of Viewport  
>> Units in
>> the Viewport AtRule.

-- 
Rune Lillesveen
Received on Thursday, 1 November 2012 10:46:18 GMT

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