W3C home > Mailing lists > Public > www-style@w3.org > April 2005

Re: Fourth value for background-attachment?

From: Kelly Miller <lightsolphoenix@gmail.com>
Date: Tue, 19 Apr 2005 14:41:12 -0400
Message-ID: <426550C8.9020008@gmail.com>
To: www-style@w3.org

Emrah BASKAYA wrote:

> What Kelly Miller means is, there should be a third option where the 
> image  is fixed relative to the ELEMENT and not WINDOW, and had been 
> outlined  very nicely by Peter-Paul Koch at  
> http://www.quirksmode.org/css/background.html .
> He says there should be a third option for the background-attachment  
> properties, that is what Kelly is talking about, I believe.
> I had earlier read this at quirksmode and I really like the idea, but 
> I am  sure someone on the list will manage to find a fundemental flaw 
> with the  idea that I possibly could never think of.
> On Tue, 19 Apr 2005 19:44:17 +0300, Kelly Miller  
> <lightsolphoenix@gmail.com> wrote:
>> Anne van Kesteren wrote:
>>> Kelly Miller wrote:
>>>> This is something that I've been wondering about.  Does anyone 
>>>> think  CSS could benefit from a value of background-attachment that 
>>>> is  relative to the top left corner of the root element (basically, 
>>>> like  fixed except it scrolls with the document instead of staying 
>>>> in one  place)?
>>> You can just apply it to the root element... And if that isn't 
>>> enough,  you can also apply multiple background images to the root 
>>> element with  the current CSS3 proposal...
>> I don't think you're quite getting what I'm saying.  Yes, you could
>> apply it to the root element, but what I'd rather do is apply it to the
>> element that actually represents where I want the image to display.
>> Basically, I want a type of background-attachment that allows me to use
>> background-position where 0, 0 is the top left of the document, but the
>> only part displayed is the part where the element intersects with the
>> image.  Basically, this would be to fixed what the new 'local' value is
>> to scroll.
Actually, no, that's not what I'm saying.  What you decribe is the new 
background-attachment value 'local' (this is actually what IE uses for 
the value of scroll).  What I mean is something that works like this new 
local value, but is fixed with regards to the window.  But logically, if 
a background is attached relative to the window but scrolls, it's 
actually attached relative to the DOCUMENT (or the root element, 
technically).  What I'm suggesting is a value like this; it would make 
it easier to line up background images in layouts where normally slicing 
would be needed.

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Received on Tuesday, 19 April 2005 18:41:13 UTC

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