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SVGt 1.2 Sect 12.3.1: Video transform requirements

From: Kalle Raita <kraita@nvidia.com>
Date: Wed, 1 Aug 2007 14:09:53 +0200
Message-ID: <85DD8D3F1695004A8A9A5AC16CE584BE0218D8D3@deemmail01.nvidia.com>
To: <www-svg@w3.org>
Dear expert group,
 
Based on the SVGt 1.2 specification section 12.3.1, I'm unable to
determine if a conformant viewer must always support values "pinned90",
"pinned180", and "pinned270" for the transformBehaviour attribute. 
 
In 12.3.1 it's said:
"... SVGT 1.2 introduces the transformBehavior attribute and a
corresponding feature string:
http://www.w3.org/Graphics/SVG/feature/1.2/#TransformedVideo
<http://www.w3.org/TR/SVGMobile12/feature.html#TransformedVideo> "
The conclusion would be that the feature string is required for the
existence of the whole transformBehaviour attribute.
 
On the other hand in J.1 Specific feature strings it is said that:
"http://www.w3.org/Graphics/SVG/feature/1.2/#TransformedVideo:	 The
ability to perform any transformation (including scaling) on video
content
<http://www.w3.org/TR/SVGMobile12/multimedia.html#transformBehavior> ."
 
Other feature strings refer to the elements and attributes they enable,
but not the video related ones. This points to the direction that the
feature string signals the value "geometric" is usable; all other values
are always present.
 
What is the intended interpretation?
 
Yours,
  - Kalle Raita

Kalle Raita 
NVIDIA Corporation 
Tel. +358 40 723 1441 
kraita@nvidia.com 
http://eu.nvidia.com <http://eu.nvidia.com/>  

 

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Received on Wednesday, 1 August 2007 13:06:45 GMT

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