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https://issues.apache.org/jira/browse/PDFBOX-2941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15415792#comment-15415792
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John Hewson commented on PDFBOX-2941:
-------------------------------------
Sure thing!
> Improve PDFDebugger (2)
> -----------------------
>
> Key: PDFBOX-2941
> URL: https://issues.apache.org/jira/browse/PDFBOX-2941
> Project: PDFBox
> Issue Type: Improvement
> Components: Utilities
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Attachments: gs-bugzilla694570.pdf, keep_zoom.diff, osx-tabs.png,
> pdfdebugger-screenshot-reverted.png, pdfdebugger-screenshot-trunc.png,
> screenshot_debugger_new.png, screenshot_debugger_not_aligned.png,
> screenshot_debugger_old.png, screenshot_w7_fontsize.png,
> separate_filter_choice_from_text_hex_views.diff, sonar_qube_resolve.diff,
> sonar_qube_resolve_25_08.diff
>
>
> This is a follow-up issue to PDFBOX-2530 to implement extra ideas that came
> up in GSoC2015, ideas that were not implemented due to lack of time, and new
> ideas.
> - save modified PDFs
> - refactor PDFDebugger.java
> - render glyphs of fonts
> - editing in hex viewer
> - ✓ refactor StreamPane to share stream filtering among Text view and hex view
> - ✓ password dialog when hitting protected PDF
> - remove nodes (e.g. elements from a COSDictionary)
> - show "pretty" XML
> - delete array or dictionary elements
> - edit & keep content streams
> - load content streams
> - display filtered streams even if the unfiltered stream is corrupt
> (PDFBOX-2976)
> - ✓ display the "caused by" part exception stack trace (nested exceptions)
> - ✓ keep zoom
> - ✓ integrate DrawPrintTextLocations into rendering
> - integrate area text extraction with a mouse-created rectangle that shows
> the coordinates in a status line
> - ✓ show permission flags of {{Encrypt/P}} entry
> - ✓ show signature flags of {{Root/AcroForm/SigFlags}} entry, see Table 219
> in PDF spec
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