PDSimpleFont.determineEncoding will never parse embedded CMAPs
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Key: PDFBOX-1137
URL: https://issues.apache.org/jira/browse/PDFBOX-1137
Project: PDFBox
Issue Type: Bug
Components: Text extraction
Affects Versions: 1.6.0
Reporter: Antoni Mylka
The enconding of a PDSimpleFont is determined in determineEncoding. It contains
a series of ifs. Most notably at the end there is a:
if (encoding instanceof COSDictionary) { ... }
else if (encoding instanceof COSStream) { ... }
This is wrong because COSStream is a subclass of COSDictionary, so the program
will never get into the COSStream-specific block, which is responsible for the
parsing of embedded CMAPs. The solution would be to reverse the order of those
ifs.
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