On Wed, 11 Sep 2013, Dean Jackson wrote: > On 11 Sep 2013, at 5:32 am, Ian Hickson <i...@hixie.ch> wrote: > > On Wed, 11 Sep 2013, Dean Jackson wrote: > >> On 11 Sep 2013, at 12:14 am, Stephen White <senorbla...@chromium.org> > >> wrote: > >>> > >>> now that some browsers are including browser zoom (page zoom) in > >>> window.devicePixelRatio > >> > >> Ouch. Who is doing this and why? > > > > Why ouch? > > Because we’ve always operated under the assumption that devicePixelRatio > is the mapping from CSS px to device pixels at 1:1 scale/zoom, and that > it is constant for a particular display. The only change content would > see is if the window is dragged to/from a high resolution screen. > > There are other ways to query the page zoom.
That seems broken... why would you want to hide the page zoom? > I fear this will break existing content. I don’t think we’d ever want to > change the behaviour. I guess we'll just have to treat devicePixelRatio as legacy and introduce a new value that's the real device:pixel ratio, then. -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'