[whatwg] Built-in image sprite support in HTML5

Jonas Sicking jonas at sicking.cc
Wed Aug 25 19:10:35 PDT 2010

On Wed, Aug 25, 2010 at 7:00 PM, Silvia Pfeiffer
<silviapfeiffer1 at gmail.com> wrote:
>> > As we adopt media fragment URIs into the HTML5 spec, we should prescribe
>> > what the user experience is meant to be, such that UAs can implement a
>> > consistent handling.
>> I don't think it makes sense to have the HTML spec define what other specs
>> mean. We've had to do it in places, but only when the other specifications
>> have dropped the ball.
> I will take the desire to have a clear specification for what Web browsers
> are to do with Media Fragment URIs back into the Media Fragment WG. I
> believe Web browsers are a special and the most important use case for such
> URIs, so it makes sense to specify that clearly.
> It would, however, be good to have an indication where HTML would like to
> see it going. Would it be better for a media fragment URI for images such as
> http://example.com/picture.png#xywh=160,120,320,240  to display the full
> image with the rectangle somehow highlighted (as is the case with fragment
> URIs to HTML pages), or would it be better to actually just display the
> specified region and hide the rest of the image (i.e. create a sprite)? What
> makes the most sense for images?

I definitely think creating a sprite makes the most sense. There are a
lot more usage of spriting out there then there are of highlighting a
particular portion of an image loaded using <img>

/ Jonas

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