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Subject: [OASIS Issue Tracker] Commented: (OFFICE-3465) ODF CD05-1 10.4.4<draw:image> use of <office:binary-data> unimplementable

    [ http://tools.oasis-open.org/issues/browse/OFFICE-3465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21968#action_21968 ] 

Dennis Hamilton commented on OFFICE-3465:

Well, <draw:image> is only used in <draw:frame> and I can see there being two <draw:image> elements, one linking to an [SVG] markup and the second including a [PNG] in its <office:binary-data> (or by a different link).  There could be even more alternatives of course.

But the statement about [SVG] being preferable to [PNG] seems weird.  It can't say should but I don't care if there is a note that says something like 

[Note: Usually graphically drawn images (e.g., [SVG]), when available, are preferable to raster-graphic images (e.g., [PNG]).

With regard to ODF 1.1, I found a general statement about draw-text that didn't say what was done with it.  

I see ODF 1.1 9.3.2 does it say that the text content is rendered in addition to the image.  Where and how?  Does the <draw:frame> optional <draw:image-map> apply over this.  Does  <draw:contour-path> and <draw:contour-polygon> get into the act?  I would have thought the last two were about text outside of the frame that mght flow around it based on the <draw:contour-*> elements.  How is the text inside the <draw:image> presented in the <draw:frame> in conjunction with the image?

Of the thirteen <draw:*> elements that have draw-text in addition to whatever their shape is, <draw:image> is  the only one that can be a child of a <draw:frame>.  It can be nowhere else.  There may not be enough information for the others too (not sure), but there definitely seems to be too little information for <draw:image>, especially for the <office:binary-data> case. 

> ODF CD05-1 10.4.4 <draw:image> use of <office:binary-data> unimplementable
> --------------------------------------------------------------------------
>                 Key: OFFICE-3465
>                 URL: http://tools.oasis-open.org/issues/browse/OFFICE-3465
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>          Components: Graphics, Part 1 (Schema)
>    Affects Versions: ODF 1.2 CD 05
>            Reporter: Dennis Hamilton
>            Assignee: Patrick Durusau
>            Priority: Blocker
>             Fix For: ODF 1.2 CD 06
> See similar issue OFFICE-3463
> In 10.4.4, the image (however obtained) is apparently parked in the <office:binary-data> and the only allowed attribute on <draw:image> is the <draw:filter-name>.  (There can be no xlink:href and the defaults for the other xlink attributes are apparently not relevant.)
> All that 10.4.5 <office:binary-data> provides base64binary of the image, but we are given no clue what the represented image format is. 
> Although there is a "should" about [SVG] and [PNG] but no indication how to tell what the <office:binary-data> represents (and if this case is relevant to [SVG], but if not, how is the SVG included in the element, or is that not provided for?)
> It is unclear how there is a choice to represent the image any other way than in binary data, unless the alternative is always with xlink:href and it is not permitted to cache the retrieved image in the <draw:image> element (because it would then not be refreshable).
> This is seriously underspecified as well as not being interoperably implementable from the information provided.
> Although ODF 1.1:9.3.2 is not much more specific.  There, the XLink information is described as not necessary when the <office:binary-data> is present, but it is not described as forbidden.  

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