[whatwg] Built-in image sprite support in HTML5
Ian Hickson
ian at hixie.ch
Tue Aug 3 17:19:45 PDT 2010
On Fri, 21 May 2010, David Weitzman wrote:
>
> There are various approaches to using image sprites with HTML and CSS,
> but at the end of the day they are all essentially hacks. A solution
> that would be simpler than any existing approach would be to introduce
> new attributes for <img> to specify x and y offsets and clipping on
> images. With that you would get simpler markup for sprites and better
> accessibility.
>
> One downside of this approach is that with background image sprites you
> can have a CSS class that abstracts away the name of the sprite image.
> With <img> tags you would have to specify the URL and height/width
> individually on every sprited image.
I think the right solution is a fragment identifier.
On Sat, 22 May 2010, Silvia Pfeiffer wrote:
> On Sat, May 22, 2010 at 3:23 AM, Tab Atkins Jr. <jackalmage at gmail.com> wrote:
> >
> > The Media Fragments WG has a draft spec out for, well, Media
> > Fragments, which let you specify which section of an image you want
> > right in the url. The browser should then automatically cut it out
> > and serve just the sprite you want.
>
> Yes, I was going to suggest that spec, too, see
> http://www.w3.org/2008/WebVideo/Fragments/WD-media-fragments-spec/#naming-space
>
> However, what exactly happens with a media fragment URI like
> http://example.com/picture.png#xywh=160,120,320,240 is not fully
> specified in the Media Fragment URI spec.
I would recommend fixing that. :-)
--
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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