- From: Rune Lillesveen <rune@opera.com>
- Date: Tue, 13 Nov 2012 00:36:32 +0100
- To: www-style@w3.org
On Mon, 12 Nov 2012 15:28:00 +0100, Jonathan Kew <jfkthame@googlemail.com> wrote: > On 12/11/12 01:21, Rune Lillesveen wrote: >> For years Firefox has supported a zoom mode that does relayout the >> page (by changing the viewport size in CSS pixels). I believe Safari >> has supported something similar. >> >> I'm asking whether *that* kind of zoom should affect >> devicePixelRatio and device-pixel-ratio. >> >> >> Yes, I think so. > > AFAICT, it doesn't do so in Opera at the moment (12.10, Build 1652, Mac > OS X). I made a simple test page[1] to experiment with zooming, and > Opera resolutely insists it has a ratio of 2.0 (on a Retina display), > regardless of the zoom level. Which is a bug, I think. Looks like we only took Opera Mobile into consideration when implementing that property. > However, an article[2] several months ago noted that "Turns out Opera's > value depends on the zoom level." I was unable to reproduce this, which > caused me to wonder whether there has been a change to the behavior, > whereby it used to depend on zoom, but no longer does so? It doesn't say if this is Opera Desktop, Opera Mobile, or which version. I don't know. > [1] http://people.mozilla.org/~jkew/res/test.html > [2] http://www.quirksmode.org/blog/archives/2012/07/more_about_devi.html -- Rune Lillesveen
Received on Monday, 12 November 2012 23:36:55 UTC