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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (TIKA-987) Embedded drawing (SHAPE MERGEFORMAT) sometimes not extracted
Date Sun, 02 Sep 2012 14:28:07 GMT

     [ https://issues.apache.org/jira/browse/TIKA-987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Michael McCandless updated TIKA-987:

    Attachment: picture.doc
> Embedded drawing (SHAPE MERGEFORMAT) sometimes not extracted
> ------------------------------------------------------------
>                 Key: TIKA-987
>                 URL: https://issues.apache.org/jira/browse/TIKA-987
>             Project: Tika
>          Issue Type: Bug
>          Components: parser
>            Reporter: Michael McCandless
>             Fix For: 1.3
>         Attachments: picture_3.doc, picture.doc
> I have two Word docs, both containing the same drawing, but one has
> text added.
> In one case (picture.doc) the extraction is correct: it contains only
> an embedded image.wmf; when I view the image it's correct.
> In the second case (picture_3.doc) the picture is extracted as image
> (no extension), and is 0 bytes, and there is an invalid character
> (mapped to unicode replacement char) inserted before the image:
> {noformat}
> <title/>
> </head>
> <body><p>�<img src="embedded:image1" alt="image1"/></p>
> <p/>
> <p/>
> <p>vehicle
> </p>
> {noformat}
> (Though, the text "vehicle" is extracted correctly).
> I dug a bit, and with the 2nd doc there is an embedded {SHAPE *
> MERGEFORMAT} field, which we invoke
> WordExtractor.handleSpecialCharacterRuns on, and somehow it extracts
> the 0-byte no-extension image as well as the invalid character.  With
> the first doc there is no field (at least not one that's handle with
> handleSpecialCharacterRuns...).  Otherwise I'm not sure how to
> fix... it could be something is going wrong in how POI parses the
> Pictures from PictureSource.

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