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https://issues.apache.org/jira/browse/PDFBOX-1018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13040892#comment-13040892
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Roland Quast commented on PDFBOX-1018:
--------------------------------------
Well done! Sorry, I forgot the library was LGPL licensed. Yes, the non_com is
also a BSD style license, but old like you say. Now that I've found out
XMLGraphics has a TIFF reader, I might end up using that as well. Thanks once
again!
> Remove imageIO dependency (was: PDPage convertToImage bug creates white
> images from black and white pdf files.)
> ---------------------------------------------------------------------------------------------------------------
>
> Key: PDFBOX-1018
> URL: https://issues.apache.org/jira/browse/PDFBOX-1018
> Project: PDFBox
> Issue Type: Improvement
> Affects Versions: 1.2.0, 1.2.1, 1.3.1, 1.4.0, 1.5.0
> Environment: JDK 1.6.0_22
> Reporter: Roland Quast
> Assignee: Andreas Lehmkühler
> Priority: Critical
> Labels: pdfbox
> Fix For: 1.6.0
>
> Attachments: BlackAndWhiteBug.java, ColorWorks.java,
> PDFBOX1018-black_and_white1.png, black_and_white.pdf, color.pdf
>
>
> This bug has been reported in various other tickets submitted before. I am
> attempting to conclusively prove that this is an issue, and it needs to be
> attended to since all past tickets regarding this bug have been marked
> invalid.
> I have attached a video showing very basic code that will reproduce the
> issue. I have also attached the code that causes the issue, as well as a PDF
> file that works (a color one), and a black and white PDF file that doesn't.
> The main issue is that when reading a black and white PDF file (see attached
> black and white pdf file), the following message is displayed, and the
> contents of the output image is completely white.
> 26/05/2011 3:20:14 PM org.apache.pdfbox.util.operator.pagedrawer.Invoke
> process
> WARNING: getRGBImage returned NULL
> We use PDFBox in our program for reading PDF files, and at least 50 percent
> of our customer's PDF files (from different scanners) will not read because
> of this issue. This is a complete show stopper, and I'd be more than happy to
> help in any way I could to resolve it.
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