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Re: Behavior of device-pixel-ratio under zoom

From: Simon Fraser <smfr@me.com>
Date: Sun, 11 Nov 2012 18:46:04 -0800
Cc: www-style@w3.org
Message-id: <6117E5A1-D82C-4108-820D-ECBDD8D3DEF1@me.com>
To: Jonathan Kew <jfkthame@googlemail.com>
On Nov 11, 2012, at 5:54 pm, Jonathan Kew <jfkthame@googlemail.com> wrote:

> On 11/11/12 16:13, Simon Fraser wrote:
> 
>> We (Apple) feel quite strongly that device-pixel-ratio, like window.devicePixelRatio,
>> should not change under zoom. It's answering a question about the device hardware,
>> not the current zoom state of the page.
> 
> Could you clarify what question about the device hardware it is answering, exactly? i.e., what are the two quantities or dimensions whose ratio it reflects? I'm not clear exactly what the specification (what specification?) expects…

Device pixels per CSS pixel when the page is at unit scale.

Simon
Received on Monday, 12 November 2012 02:46:38 GMT

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