Tilman Hausherr created PDFBOX-6162:
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Summary: Reuse of symbols not supported
Key: PDFBOX-6162
URL: https://issues.apache.org/jira/browse/PDFBOX-6162
Project: PDFBox
Issue Type: Sub-task
Components: JBIG2
Affects Versions: 3.0.4 JBIG2
Reporter: Tilman Hausherr
.ArrayIndexOutOfBoundsException: Index 2 out of bounds for length 2
at
org.apache.pdfbox.jbig2.segments.SymbolDictionary.getToExportFlags(SymbolDictionary.java:898)
at
org.apache.pdfbox.jbig2.segments.SymbolDictionary.getDictionary(SymbolDictionary.java:467)
at
org.apache.pdfbox.jbig2.segments.SymbolDictionary.retrieveImportSymbols(SymbolDictionary.java:990)
at
org.apache.pdfbox.jbig2.segments.SymbolDictionary.setInSyms(SymbolDictionary.java:267)
at
org.apache.pdfbox.jbig2.segments.SymbolDictionary.parseHeader(SymbolDictionary.java:130)
at
org.apache.pdfbox.jbig2.segments.SymbolDictionary.init(SymbolDictionary.java:1025)
at
org.apache.pdfbox.jbig2.SegmentHeader.getSegmentData(SegmentHeader.java:380)
Considering the name of the file, I assume this means we don't support the
reuse of symbols correctly. The file has at least 4 different symbol segments.
From what I see on
https://github.com/SerenityOS/serenity/blob/master/Tests/LibGfx/test-inputs/jbig2/json/bitmap-symbol-context-reuse.json
the text segment refers to the symbols of the 4 previous symbol segments, and
the symbol segments indicate some logic to retain the symbols of previous
segments, so one will have to investigate what happens.
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