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https://issues.apache.org/jira/browse/PDFBOX-457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853781#action_12853781
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Andreas Lehmkühler commented on PDFBOX-457:
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The given example 580505.PR00003.000003.PDF uses a CCITTFaxDecode filter as
compression algo (it is common for pdfs created by a FAX) . PDFBox doesn't have
a builtin support for that filter and that's the reason why getRGBImage returns
null. To read those kind of files, the ImageIO-lib [1] has to be added to the
classpath .
[1] https://jai-imageio.dev.java.net/
> PDF to Image doesn't show correctly the document
> ------------------------------------------------
>
> Key: PDFBOX-457
> URL: https://issues.apache.org/jira/browse/PDFBOX-457
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 0.8.0-incubator
> Reporter: Marcelo Tavares
> Assignee: Daniel Wilson
> Attachments: 580505.PR00003.000003.PDF, pdfbox-457-as_fax.pdf,
> pdfbox-457-Scan_from_a_Xerox_WorkCentre_Pro.PDF, pdfbox-457.PNG,
> testPDFToImage1.png
>
>
> I tried to convert the following document to image, but I got the attached
> result.
> It parsed just the text. I also tried different formats like JPG. I ran it
> using the PDFToImage class passing the document path as parameter.
> I've read that sometimes the document is not created respecting the PDF
> standard. But, is there a possibility to ignore it?! In fact, it's very
> important to me, so, could I use PDF Box despite of those "errors"?
> Thank you
> Marcelo
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