[jira] Updated: (PDFBOX-820) Support TIFF predictor 2 with FlateDecode, patch included

["Timo Boehme (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Timo Boehme updated PDFBOX-820:
-------------------------------

    Attachment: pdfbox_issue820.patch

patch which adds predictor 2 support to FlateFilter

> Support TIFF predictor 2 with FlateDecode, patch included
> ---------------------------------------------------------
>
>                 Key: PDFBOX-820
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-820
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Parsing
>    Affects Versions: 1.3.0
>            Reporter: Timo Boehme
>            Priority: Minor
>         Attachments: pdfbox_issue820.patch
>
>   Original Estimate: 0.08h
>  Remaining Estimate: 0.08h
>
> A patch which adds support for TIFF predictor 2 within FlateDecode. Currently the patch only supports 8 bits per component. Handling 4 bits per component could be implemented but I have no test document.
> The patch can be tested against http://pediatrics.aappublications.org/cgi/reprint/125/1/1
> the title graphic (Im0 at page 1) uses predictor type 2.

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