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Re: 2D Transforms Update

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Fri, 1 Oct 2010 10:34:53 -0700
Message-ID: <AANLkTikhjCDdGuuJxBMxuAqL6ZVPZxGELxWaa_DTCLTG@mail.gmail.com>
To: "Dr. Olaf Hoffmann" <Dr.O.Hoffmann@gmx.de>
Cc: public-fx@w3.org
2010/10/1 Dr. Olaf Hoffmann <Dr.O.Hoffmann@gmx.de>:
> Am Freitag, 1. Oktober 2010 geschrieben:
>> 2010/10/1 Dr. Olaf Hoffmann <Dr.O.Hoffmann@gmx.de>:
>> > d) Some transformation functions (section 'Transformation Functions')
>> > have values like <angle> or <translation-value>.
>> > Does it imply additional unit identifiers in SVG or in CSS?
>> > For example for CSS angle is currently (CSS2.0 or CSS3 draft,
>> > not available at all in the referenced CSS2.1) only available
>> > for aural style sheets and requires a unit - I assume that the transform
>> > property will be applicable not just for aural style sheets in the future
>> > and hopefully the angles will not be normalised if applied to rotations,
>> > as currently required in CSS.
>>
>> In CSS3 the <angle> value is defined by CSS3 Values & Units.  It
>> definitely isn't just an aural-specific unit.
>>
>> The definition of <angle> will indeed be changed to not automatically
>> normalize, based on previous discussion in the CSS group.
>>
>
> The draft vom 2006 notes:
> "3.4.5. Angles
>
> Angle values (denoted by <angle> in the text) are used with aural cascading
> style sheets.
>
> Their format is a <number> immediately followed by an angle unit identifier.
>
> Angle unit identifiers are:
> deg: degrees
> grad: grads
> rad: radians
> turn: turns
>
> Angle values should be normalized to the range 0-360deg by the user agent. For
> example, -10deg and 350deg are equivalent.
>
> For example, a right angle is '90deg' or '100grad' or '1.570796326794897rad'.
> "
>
> I think there is no newer.

You need to be looking at the current working draft, located at
http://dev.w3.org/csswg/css3-values.  I apologize for the fact that
WDs are hard to find.  >_<

~TJ
Received on Friday, 1 October 2010 17:35:47 GMT

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