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https://issues.apache.org/jira/browse/PDFBOX-927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13002537#comment-13002537
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Andreas Lehmkühler commented on PDFBOX-927:
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I extracted the images using an other tool and got the same results
IMO that leads to the conclusion that
- the images embedded in the given pdf have a poor quality
- other readers like adobe or xpdf must have some build-in algos to improve the
rendering automatically
- PDFBox works fine
- we should also add an image enhancer ...
> Problem on writing some kind of images to a File in filesystem
> --------------------------------------------------------------
>
> Key: PDFBOX-927
> URL: https://issues.apache.org/jira/browse/PDFBOX-927
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 1.2.1, 1.3.1, 1.4.0
> Environment: JDK5 / 6
> Reporter: JOSE FREITAS
> Priority: Minor
> Attachments: 1___Im0-1.jpg, ExtractImages.java, comparison.png, test
> with pdindexed.pdf
>
>
> I have an image object which is an instance of PDXObjectImage.
> If it has PDIndexed as colorspace.
>
> "image.getColorSpace() instanceof PDIndexed"
> the image is wrongly rendered.
> Is there any known issue with this colorSpace?
> I think the problem could be at:
> image.write2file(...) or
> image.write2OutputStream(...);
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