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

Re: Image sprites use cases

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Sun, 30 Aug 2009 06:24:32 -0700
Message-ID: <4A9A7D90.2080406@mit.edu>
To: Alex Kaminski <activewidgets@gmail.com>
CC: www-style@w3.org
Alex Kaminski wrote:
> The checkbox image should reflect the value (checked, unchecked,
> mixed) and the control state (normal, hover, pressed, disabled).  That
> is 12 images and I would rather not have them in separate files, and
> use image sprites instead.

Is the right solution here image sprites plus a new complex CSS spec 
feature, or some sort of packaging format that gives you the main 
benefit of image sprites (only having to make one HTTP request to get ll 
the images) plus a new feature to support this packaging format in 
browsers?  Or is your usecase not addressed by the latter for some reason?

Note that the latter is easier to make backwards-compatible with 
browsers that don't support the packaging format; the failure mode will 
be separate requests per image rather than incorrect images.  So it can 
be rolled out before all browsers have support for it, as desired.

-Boris
Received on Sunday, 30 August 2009 13:25:18 GMT

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