[jira] [Resolved] (PDFBOX-955) Can't extract b/w images from PDF

["Andreas Lehmkühler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Lehmkühler resolved PDFBOX-955.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.6.0
         Assignee: Andreas Lehmkühler

Works fine after removing the ImageIO-dependency (see PDFBOX-1018). 
The attached pngs were created using PDFToImage from the current trunk.

> Can't extract b/w images from PDF
> ---------------------------------
>
>                 Key: PDFBOX-955
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-955
>             Project: PDFBox
>          Issue Type: Improvement
>    Affects Versions: 1.4.0
>         Environment: Windows XP prof, Java 1.6.0_22, Netbeans 6.9.1
>            Reporter: Tilman Hausherr
>            Assignee: Andreas Lehmkühler
>            Priority: Minor
>              Labels: extract
>             Fix For: 1.6.0
>
>         Attachments: ExtractImages.java, PDFBOX955-d00000401.png, PDFBOX955-photo1.png, d0000040-01.png, d0000040.pdf, photo.jpg, photo.pdf
>
>
> I wrote a test application using org.apache.pdfbox.ExtractImages to... extract images as PNG. (This is the start of something bigger, which involves making a statistic about the content of over a million pages within PDF files) However all images I get are all black or all white when I test on our own PDF files. I did get correct images from a file that had color images. To extract, I tried page.convertToImage() and then writing with ImageIO.write(), but I also tried using PDFImageWriter, neither had success for b/w images.
> The sample PDF is not confidential; it does give a warning "getRGBImage returned NULL" but other PDFs that don't give the warning (but are confidential) also fail.

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