W3C home > Mailing lists > Public > public-respimg@w3.org > February 2013

Re: CfC: to publish "The srcset attribute" specification as a First Public Working Draft (FPWD)

From: Marcos Caceres <w3c@marcosc.com>
Date: Wed, 27 Feb 2013 12:42:25 +0000
To: "public-respimg@w3.org" <public-respimg@w3.org>
Cc: "Nathanael D. Jones" <nathanael.jones@gmail.com>, Edward O'Connor <eoconnor@apple.com>, Yoav Weiss <yoav@yoav.ws>, Mathew Marquis <mat@matmarquis.com>, Fred Andrews <fredandw@live.com>, Paul Cotton <Paul.Cotton@microsoft.com>
Message-ID: <1D264ED4362541D590C2CAD18F42A096@marcosc.com>
Actually, we have the same problem in reverse. Some of us are not members of the HTML working group. Can I recommend we use:  

http://lists.w3.org/Archives/Public/public-html-comments/



--  
Marcos Caceres
http://datadriven.com.au


On Wednesday, 27 February 2013 at 12:11, Marcos Caceres wrote:

> Agree. Please everyone refrain from having the discussion here. Some of the people CC'd cannot discuss the matter here for IPR reasons.  
>  
> --  
> Marcos Caceres
> http://datadriven.com.au
>  
>  
> On Wednesday, 27 February 2013 at 12:04, Paul Cotton wrote:
>  
> > Would it be possible to send this to public-html@w3.org (mailto:public-html@w3.org) for discussion there by the HTML WG?
> >  
> > /paulc
> >  
> > Paul Cotton, Microsoft Canada
> > 17 Eleanor Drive, Ottawa, Ontario K2E 6A3
> > Tel: (425) 705-9596 Fax: (425) 936-7329
> >  
> > From: Nathanael D. Jones [mailto:nathanael.jones@gmail.com]  
> > Sent: Wednesday, February 27, 2013 6:24 AM
> > To: Edward O'Connor; Yoav Weiss; Marcos Caceres; Paul Cotton; Mathew Marquis
> > Cc: public-respimg@w3.org (mailto:public-respimg@w3.org); Fred Andrews
> > Subject: Re: CfC: to publish "The srcset attribute" specification as a First Public Working Draft (FPWD)  
> >  
> > A Unified solution to <picture>
> >  
> >  
> > Perhaps there's a very simple way to support both pre- and post-layout queries with <picture>, and sacrifice neither functionality or performance.
> >  
> >  
> > If sources specify the dimensions of the images (and more than one image matches the media queries), we delay image fetching until CSS is downloaded; otherwise fetching can occur immediately.
> >  
> >  
> > We can then apply sizing constraints to further filter the list of images (media queries are still king, but if more than 1 image 'matches', we use size constraints).
> >  
> >  
> > I've written up the details here: https://gist.github.com/nathanaeljones/5047077
> >  
> >  
> > ---  
> >  
> >  
> > I also propose the expansion of the Use Cases and Requirements document to include:  
> >  
> >  
> > 11 The solution SHOULD offer an method to leverage breakpoints defined in CSS.
> > 12. The solution SHOULD support a simplified syntax to support primary use case 3.1 (preferably a list of images and their dimensions), in order to reach users of content management systems and those without detailed knowledge of CSS media queries.
> >  
> > This allows complexity to be moved from HTML to CSS, and removes the need for high-volume repetition of breakpoint logic.
> >  
> >  
> > Authors who wish to use responsive web design will be able to use a CSS framework or snippet and matching CSS classes on <picture> to achieve responsive images - a path much less intimidating than CSS media queries, and much easier for CMSes and authoring tools to support (how would a GUI for media queries be designed)?
> >  
> >  
> > I fear for adoption of <picture> unless we can make it CMS and 'non-coder' friendly.  
> >  
> >  
> > Thanks,
> > Nathanael  
> >  
> > On Wed, Feb 6, 2013 at 7:31 PM, Edward O'Connor <eoconnor@apple.com (mailto:eoconnor@apple.com)> wrote:
> > Hi Fred,
> >  
> > You wrote:
> >  
> > > If the 'picture' and 'srcset' proposals are limited to[…] using only
> > > information available pre-layout[…] it may not be proper for ambiguity  
> > > in the RICG proposals to delay other development work in an area that
> > > needs urgent attention.  
> >  
> >  
> >  
> > I'd like to clarify two things:
> >  
> > 1) The srcset="" specification is not a proposal of the Responsive
> > Images Community Group, although feedback from the members of that
> > group have certainly contributed to the feature's design.
> >  
> > 2) By working on the srcset="" nor <picture> specifications within this
> > working group, those working on them are not delaying other work that
> > you or other WG members may want to take on. In particular, if you
> > would like to work on a proposal for an adaptive images feature that
> > relies on layout information, please do so! I would be happy to
> > review a draft in that area.  
> >  
> > > It is not immediately obvious to me how the specialized 'picture' and
> > > 'srcset' solutions proposed by the RICG could fit alongside more
> > > general solutions and it is likely that more general solution would
> > > subsume the current proposals.  
> >  
> >  
> >  
> > I think we can address such confusion within these drafts when and if a
> > more general solution is produced.
> >  
> >  
> > Thanks,
> > Ted  
>  
Received on Wednesday, 27 February 2013 12:42:57 UTC

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