Re: [whatwg] img srcset / css image-set issues

2012-08-24 Thread Fred Andrews
... > But that's exactly my point! The w/h descriptors are sufficient *only* for > art direction, where you want to swap between completely different images > (or at least different crops of the same image), based on viewport size, to > match other changes occurring in your responsive design as th

Re: [whatwg] img srcset / css image-set issues

2012-08-22 Thread John Mellor
On Wed, Aug 22, 2012 at 5:19 PM, Tab Atkins Jr. wrote: > On Wed, Aug 22, 2012 at 4:22 AM, John Mellor wrote: > > On Wednesday, August 22, 2012, Tab Atkins Jr. wrote: > >> Let's assume that, instead, you're trying to serve two versions of the > >> image: one for small screens and one for larger sc

Re: [whatwg] img srcset / css image-set issues

2012-08-22 Thread Tab Atkins Jr.
On Wed, Aug 22, 2012 at 4:22 AM, John Mellor wrote: > On Wednesday, August 22, 2012, Tab Atkins Jr. wrote: >> I doubt this is actually what you want, though - you're probably not >> actually trying to cater to devices with an 8:1 pixel ratio! (Those >> may not ever exist, even if technology does

Re: [whatwg] img srcset / css image-set issues

2012-08-22 Thread John Mellor
On Wednesday, August 22, 2012, Tab Atkins Jr. wrote: > On Tue, Aug 21, 2012 at 4:28 PM, John Mellor wrote: > > Take the simple example above where > > you have the same image saved in 4 sizes -- 320.jpg, 640.jpg, 1280.jpg > and > > 2560.jpg, named after their widths -- and you need it to scale ac

Re: [whatwg] img srcset / css image-set issues

2012-08-21 Thread Tab Atkins Jr.
On Tue, Aug 21, 2012 at 4:28 PM, John Mellor wrote: > On Tue, Aug 21, 2012 at 8:31 PM, Tab Atkins Jr. > wrote: >> >> On Tue, Aug 21, 2012 at 12:20 PM, John Mellor wrote: >> > 1. Neither is of any use for flexibly-sized images. >> >> This is what Media Queries and the similar 'w' and 'h' tokens i

Re: [whatwg] img srcset / css image-set issues

2012-08-21 Thread John Mellor
On Tue, Aug 21, 2012 at 8:31 PM, Tab Atkins Jr. wrote: > On Tue, Aug 21, 2012 at 12:20 PM, John Mellor wrote: > > 1. Neither is of any use for flexibly-sized images. > > This is what Media Queries and the similar 'w' and 'h' tokens in > @srcset are for. You can create one pair of 1x/2x images fo

Re: [whatwg] img srcset / css image-set issues

2012-08-21 Thread Tab Atkins Jr.
On Tue, Aug 21, 2012 at 12:31 PM, Tab Atkins Jr. wrote: > On Tue, Aug 21, 2012 at 12:20 PM, John Mellor wrote: >> CSS image-set and HTML img srcset are getting their first implementations >> but both APIs have serious shortcomings. We should fix them before it's too >> late: >> >> 1. Neither is o

Re: [whatwg] img srcset / css image-set issues

2012-08-21 Thread Tab Atkins Jr.
On Tue, Aug 21, 2012 at 12:20 PM, John Mellor wrote: > CSS image-set and HTML img srcset are getting their first implementations > but both APIs have serious shortcomings. We should fix them before it's too > late: > > 1. Neither is of any use for flexibly-sized images. > 2. srcset isn't as smart/