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https://issues.apache.org/jira/browse/PDFBOX-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15024297#comment-15024297
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Andreas Lehmkühler commented on PDFBOX-3069:
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I guess the correct term is "+0" ;-) and yes I agree with Tilman

> Add code for CCITT compression
> ------------------------------
>
>                 Key: PDFBOX-3069
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3069
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: PDModel
>            Reporter: Christian Gawron
>            Priority: Minor
>              Labels: ccitt, compression
>
> The class org.apache.pdfbox.pdmodel.graphics.image.CCITTFactory contains code 
> to create a PDImageXObject from an existing TIFF file. Unlike the 
> corresponding JPEGFactory it does *not* provide any code to create a 
> PDImageXObject from a BufferedImage. The main reason is that pdfbox contains 
> only code to decompress CCITT group 3/4 files, code for compression is 
> missing.
> Based on the compression code in Apache Commons Imaging I implemented the 
> missing method and I'm willing to contribute it.
> I can provide a patch, but I would need advise whether it's preferable to 
> duplicate code from Apache Commons Imaging or to create a dependency on it.



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