W3C home > Mailing lists > Public > www-style@w3.org > August 2011

Re: Splitting background-position in two different attributes

From: Brad Kemper <brad.kemper@gmail.com>
Date: Mon, 15 Aug 2011 12:42:30 -0700
Message-Id: <1DD2B8BD-BE05-4A9F-BFB3-7A36DBE014D9@gmail.com>
Cc: fantasai <fantasai.lists@inkedblade.net>, "www-style@w3.org" <www-style@w3.org>
To: Brian Manthos <brianman@microsoft.com>
I think it should be CSS4 then. I would not like the progress of CSS3 B&B towards PR and REC slowed down to add new features. 

Brad Kemper

On Aug 15, 2011, at 12:21 PM, Brian Manthos <brianman@microsoft.com> wrote:

> There are other concerns before you even get to that.
> Things like...
> div {
>    background-image: url(a.png), url(b.png), url(c.png), url(d.png);
>    background-position-x: 1px, 2px, 3px;
>    background-position-y: 10%, 20%, 30%, 40%, 50%;
>    background-repeat: no-repeat, repeat, repeat-y;
> }
> (a) What should an OM query for background-position return?  (I think empty string because it's not constructible.)
> (b) What should the used value for the x dimension of background-position be for the 4th image? (I think 1px, just like its repeat value is no-repeat.)
> There are a myriad of cases like these.  We've addressed many of them in IE9 and have work to do (IE10+) on others.  Whether the WG will agree with our assessments and approach will be fodder for many fun discussions, I'm sure.
> -Brian
> -----Original Message-----
> From: www-style-request@w3.org [mailto:www-style-request@w3.org] On Behalf Of fantasai
> Sent: Monday, August 15, 2011 12:02 PM
> To: www-style@w3.org
> Subject: Re: Splitting background-position in two different attributes
> On 08/15/2011 10:28 AM, Brian Manthos wrote:
>> I think getting the serialization addressed before throwing more into 
>> the entanglement that is background is preferred.
> Also, I'd like to see a proposal that actually specifies the interaction with the extended background-position syntax that was introduced in L3 and the logical-keyword set that we will presumably introduce in L4.
> ~fantasai
Received on Monday, 15 August 2011 19:43:10 UTC

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