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Re: [css3-2d-transforms] Interop: matrix() values e,f <number> or <length>

From: Aryeh Gregor <Simetrical+w3c@gmail.com>
Date: Sun, 21 Nov 2010 15:44:42 -0500
Message-ID: <AANLkTik6-hB4ag1P669nD24Zp-3fSMkpbqo1cSRr4tSD@mail.gmail.com>
To: Boris Zbarsky <bzbarsky@mit.edu>
Cc: Chris Marrin <cmarrin@apple.com>, www-style list <www-style@w3.org>
On Fri, Nov 19, 2010 at 3:01 PM, Boris Zbarsky <bzbarsky@mit.edu> wrote:
> On 11/19/10 1:26 PM, Chris Marrin wrote:
>> This brings up a glaring problem with CSSMatrix. When you construct one,
>> it is not associated with any element, so you can't use an element's style
>> to convert units. Today, when we encounter the above CSSMatrix constructor I
>> believe we just convert 50% to a value of 50 or something equally arbitrary.
>> We should probably amend CSSMatrix to allow an element to be passed to the
>> constructor. This brings up the next sticky issue of what happens when, for
>> instance, the client size of the element changes. Do values in the CSSMatrix
>> change? Madness!
> Agreed.  Why are we allowing percentages here again?  ;)

Doesn't em cause the same problem?
Received on Sunday, 21 November 2010 20:45:35 UTC

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