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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 44886] Format of PICT records seems different to other metafile blips
Date Mon, 28 Apr 2008 03:16:14 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=44886





--- Comment #3 from Josh Micich <josh@gildedtree.com>  2008-04-27 20:16:14 PST ---
(In reply to comment #2)
> Someone emailed me from the POI project saying they're looking into it.
> 

I'm having trouble finding documentation for the Escher file stream.  This is
the best I have found -from this page:
http://www.microsoft.com/interop/docs/OfficeBinaryFormats.mspx
this file:
http://download.microsoft.com/download/0/B/E/0BE8BDD7-E5E8-422A-ABFD-4342ED7AD886/OfficeDrawing97-2007BinaryFormatSpecification.pdf

My understanding is that it is completely OK for POI contributors to use these
documents.  Does anyone know of a better resource describing the Escher file
format?  Perhaps we could update the POI source with a reference/URL to that
document.

It looks like this particular record (recordId == RECORD_ID_PICT) is described
on page 16 of the above document and from what I can tell, the unknown binary
data might be in zlib/deflate format.

Hope this helps.


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