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Posted to dev@pdfbox.apache.org by "Christian Gawron (JIRA)" <ji...@apache.org> on 2015/10/28 18:13:27 UTC

[jira] [Created] (PDFBOX-3069) Add code for CCITT compression

Christian Gawron created PDFBOX-3069:
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             Summary: 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


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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