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RE: Adaptive images

From: Henri Sivonen <hsivonen@iki.fi>
Date: Tue, 31 May 2011 17:09:04 +0300
To: Leonard Rosenthol <lrosenth@adobe.com>
Cc: Karl Dubost <karld@opera.com>, "public-html@w3.org" <public-html@w3.org>
Message-ID: <1306850944.2453.38.camel@shuttle>
On Tue, 2011-05-31 at 06:48 -0700, Leonard Rosenthol wrote:
> Correct.  And that's fine for web/server-hosted content.
> However, consider an EPUB3 file where there is no negotiation going on.  So you'd (most likely) need something in the <img> tag that would list the alternatives and then have those connected (via id/name) to CSS queries so the UA would know which one to pick.

If you've transferring the whole epub bundle to the end user anyway, why
bother having multiple versions of images instead of having a high-res
image and letting the client downsample? Are you optimizing client CPU
and RAM use instead of the epub bundle size?

Henri Sivonen
Received on Tuesday, 31 May 2011 14:09:37 UTC

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