W3C home > Mailing lists > Public > www-style@w3.org > November 2009

Re: Individual properties for text-shadow and box-shadow

From: Anne van Kesteren <annevk@opera.com>
Date: Mon, 23 Nov 2009 17:14:41 -0200
To: "Tab Atkins Jr." <jackalmage@gmail.com>, "Dave Methvin" <dave.methvin@gmail.com>
Cc: www-style@w3.org
Message-ID: <op.u3u3qro564w2qv@annevk-t60>
On Mon, 23 Nov 2009 14:59:55 -0200, Tab Atkins Jr. <jackalmage@gmail.com>  
> On Fri, Nov 20, 2009 at 4:21 PM, Dave Methvin <dave.methvin@gmail.com>  
> wrote:
>> For the purposes of animation and other programmatic use, it would be  
>> very helpful to treat text-shadow as a shorthand property, then define
>> text-shadow-color, text-shadow-x, text-shadow-y, and text-shadow-radius  
>> as its subcomponents. That would be consistent with other CSS shorthand
>> properties such as border-right or background, where the individual
>> components are made available via separate CSS properties.
> I am generally in favor of breaking down any complex property into
> simple sub-properties.  I know, though, that implementors generally
> want to limit the number of properties in existence, because each one
> requires an entry on every element, increasing memory usage.
> I'm not sure where the correct line to draw is.  Shadows can be rather
> nice to animate, though - adjusting the depth of a shadow when you
> hover over something to represent it 'moving up' toward your mouse,
> for example.

If the use case is manipulation through script (and not through e.g.  
:hover) the correct solution might be an appropriate value interface in  
the CSSOM. Unfortunately I haven't really had time since TPAC yet to even  
start drafting the ideas around value APIs.

Anne van Kesteren
Received on Monday, 23 November 2009 19:15:26 UTC

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