[Libreoffice-bugs] [Bug 55058] List of EMF import bugs with examples

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=55058

--- Comment #30 from mathog <mathog at caltech.edu> ---
My most recent EMF, EMF+, and WMF test files have been uploaded, along with
images of each made on Windows XP using "Windows Preview".  In many instances
to see what is actually going on, for instance line end treatments, it is
necessary to zoom in with the actual viewer.  Current versions of Inkscape can
also be used to view the EMF and WMF files and it is, to the best of my
ability, 1:1 with the Windows XP Preview image.  Inkscape does not yet have
EMF+ display.  The code to generate these test files and other related EMF,
EMF+, WMF code is at:

  https://sourceforge.net/projects/libuemf/

If anybody reading this knows how to properly handle files containing mixtures
of EMF and EMF+ records please contact me or post a link to the section of the
relevant Microsoft documentation.  An EMF document may contain an object
described in both EMF and EMF+ records and there is no obvious way to determine
which EMF object description corresponds to which EMF+ object description.  So
as far as I can tell it seems the only safe thing to do is to either render
just the EMF records or just the EMF+ records.  However, some applications
(like some versions of PowerPoint) will render everything in a diagram to an
EMF file as both EMF and EMF+ records except the text, which is EMF only.  So
that the EMF+ description in the EMF file is always incomplete.

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