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Re: ISSUE-2137 (canvas negotiation begin time): Add clarification about begin time for canvas negotiation [Last Call: SVG 1.2 Tiny ]

From: Cyril Concolato <cyril.concolato@enst.fr>
Date: Tue, 14 Oct 2008 08:36:21 +0200
Message-ID: <48F43DE5.7060808@enst.fr>
To: SVG Working Group WG <public-svg-wg@w3.org>

SVG Working Group Issue Tracker a écrit :
> 
> ISSUE-2137 (canvas negotiation begin time): Add clarification about begin time for canvas negotiation [Last Call: SVG 1.2 Tiny ]
> 
> http://www.w3.org/Graphics/SVG/WG/track/issues/2137
> 
> Raised by: Doug Schepers
> On product: Last Call: SVG 1.2 Tiny 
> 
> Cyril Concolato
> <http://lists.w3.org/Archives/Public/www-svg/2008Oct/0110.html>:
> [[
> * Section 7.1. Coordinate Systems, Transformations and Units Introduction
> Could you add a clarification about when the canvas negotiation happens? I think it happens upon parsing the start tag of the SVG root element but this is not clear. 
More precisely, I suggest adding the following sentence in the progressive rendering section (5.9.2) after the sentence:
"The following rules apply to progressive rendering:"
"* the negotiation process for the size of the SVG viewport (see Establishing the size of the initial viewport) happens when the start-tag of the rootmost 'svg' element has been processed."

This clarification is needed because I think that since script elements can have access to the viewport width/height, the negotiation has to happen before any script is processed.

Cyril

-- 
Cyril Concolato
Maître de Conférences/Associate Professor
Groupe Mutimedia/Multimedia Group
Département Traitement du Signal et Images
/Dept. Signal and Image Processing
Ecole Nationale Supérieure des Télécommunications
46 rue Barrault
75 013 Paris, France
http://tsi.enst.fr/~concolat 
Received on Tuesday, 14 October 2008 06:37:10 GMT

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