[Bug 23562] New: ”Quality level” for image/jpeg needs to be defined

https://www.w3.org/Bugs/Public/show_bug.cgi?id=23562

            Bug ID: 23562
           Summary: ”Quality level” for image/jpeg needs to be defined
           Product: HTML WG
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P3
         Component: HTML5 spec
          Assignee: dave.null@w3.org
          Reporter: jukka.k.korpela@kolumbus.fi
        QA Contact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-admin@w3.org,
                    public-html-wg-issue-tracking@w3.org

The table at 4.8.11.2 (Serializing bitmaps to a file) says that for image/jpeg
format, the second argument of toDataURL() “must be treated as the desired
quality level”. There is no definition for what “quality level” means here and
what effect it has, and the old JPEG specification cited,
http://www.w3.org/Graphics/JPEG/jfif3.pdf
does not define it either (it does not contain the word “quality”).

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Received on Friday, 18 October 2013 13:12:21 UTC