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RE: [css3-background] Negative box-shadow blur: equivalent to 0px or invalid ?

From: Sylvain Galineau <sylvaing@microsoft.com>
Date: Wed, 30 Jun 2010 17:10:53 +0000
To: Brad Kemper <brad.kemper@gmail.com>
CC: "www-style@w3.org" <www-style@w3.org>
Message-ID: <045A765940533D4CA4933A4A7E32597E214F96FE@TK5EX14MBXC120.redmond.corp.microsoft.com>
> From: Brad Kemper [mailto:brad.kemper@gmail.com]

> Interesting. I wonder if that is related to the pixel rounding thing,
> where anything other than an integer number of pixels (or perhaps
> device pixels?) are rounded down. I think some clarification in the
> spec is needed about what happens with half pixels or other non-integer
> blurs, whether or not an odd number width for the total blur is allowed,
> and this new issue of what should happen to negative blurs. It seems to
> me like there is some normalization happening.

I am asking about a specific issue: whether 'negative blur is not allowed'
means the whole property value should be treated as invalid.

Rounding is a different problem.
Received on Wednesday, 30 June 2010 17:11:42 UTC

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