-----Original Message-----
From: wikitech-l-bounces(a)lists.wikimedia.org
[mailto:wikitech-l-bounces@lists.wikimedia.org] On Behalf Of
Trevor Parscal
Sent: 24 September 2009 21:49
To: wikitech-l(a)lists.wikimedia.org
Subject: Re: [Wikitech-l] JS2 design (was Re: Working towards
branchingMediaWiki 1.16)
On 9/24/09 1:40 PM, Jared Williams wrote:
> -----Original Message-----
> From: wikitech-l-bounces(a)lists.wikimedia.org
> [mailto:wikitech-l-bounces@lists.wikimedia.org] On Behalf
>
Of Trevor
>> Parscal
>> Sent: 24 September 2009 19:38
>> To: wikitech-l(a)lists.wikimedia.org
>> Subject: Re: [Wikitech-l] JS2 design (was Re: Working towards
>> branchingMediaWiki 1.16)
>>
>> On 9/24/09 9:31 AM, Jared Williams wrote:
>>
>>
>>>>> * Automatically create CSS sprites?
>>>>>
>>>>>
>>>>>
>>>> That would be neat, but perhaps a bit tricky.
>>>>
>>>>
>>>>
>>> Just trying to think how it'd work.
>>>
>>> Given a CSS selector, and an image, should be able to construct
>>>
a
> stylesheet which sets the background property of
the css
>
>
rules and an
> single image.
>
> (#toolbar-copy, toolbar-copy.png)
> (#toolbar-copy:hover, toolbar-copy-hover.png)
>
> And the generated stylesheet would get concatenated with other
> stylesheets.
>
>
>
> Again, I like sprites allot! But in reality, they are an
>
optimization
> technique that needs careful attention and
can cause
>
problems if done
>> improperly.
>>
>>
> Providing CSS sprite support would be (I guess) just a service for
>
> modules/extensions to use, just as a part of
the proposed client
> resource manager(?). So the mediawiki or an extension can put in a
>
> request for a some stylesheet or javascript
be linked to, it could
>
also
request for images possibly via CSS sprites.
So don't see how it should cause a problem.
Jared
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So you are saying that you believe a generic set of
sprite-generation utilities are going to be able to
completely overcome the issues I identified and be a better
use of time (to design, develop and use) than just creating
and using sprites manually?
- Trevor
I wouldn't say there a issues with CSS sprites, but there are
limitations which you have to be aware of before deciding on using
them, and therefore do not need overcoming.
In the context of providing toolbar imagery for UIs like a WYSIWYG
editor, or for playing video, audio, or for simple image editing, they
can remove a lot of round triping.
Jared
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Sounds like we agree. The issues weren't issues with sprites, they were
issues with automating them.
- Trevor