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Re: Specifying hit testing in CSS

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Mon, 23 Aug 2010 11:26:25 -0400
Message-ID: <4C729321.7070000@mit.edu>
To: Leif Arne Storset <lstorset@opera.com>
CC: "www-style@w3.org" <www-style@w3.org>
On 8/23/10 11:17 AM, Leif Arne Storset wrote:
> It would seem logical that 'pointer-events: painted' would not hit a box
> with 'opacity: 0'.

But would hit one with "opacity: 0.00000001"?  Why the discontinuity? 
Neither one is user-visible; given that final pixel values are typically 
integer RGBA the latter isn't even computer-visible, since it ends up 
rounding to 0 when compositing.

Received on Monday, 23 August 2010 15:26:59 UTC

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