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[Bug 9895] New: HTMLImageElement's "complete" attribute definition implies immediate image decoding

From: <bugzilla@jessica.w3.org>
Date: Wed, 09 Jun 2010 22:33:33 +0000
To: public-html-bugzilla@w3.org
Message-ID: <bug-9895-2486@http.www.w3.org/Bugs/Public/>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=9895

           Summary: HTMLImageElement's "complete" attribute definition
                    implies immediate image decoding
           Product: HTML WG
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: andreas.kling@nokia.com
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html@w3.org


The UA normally wants to defer decoding of (currently) invisible images until
they're actually needed, as an optimization.

However, this makes it difficult to implement HTMLImageElement's "complete"
attribute, since we need to decode the entire image to know if it's complete or
not.

Both WebKit and Gecko lie about "complete" right now, in part due to the
privacy leak referred to here: https://bugs.webkit.org/show_bug.cgi?id=28832

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Received on Wednesday, 9 June 2010 22:33:35 GMT

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