John Mayfield created PDFBOX-5350:
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Summary: Regression unicode mapping in Korean document
Key: PDFBOX-5350
URL: https://issues.apache.org/jira/browse/PDFBOX-5350
Project: PDFBox
Issue Type: Bug
Components: FontBox
Affects Versions: 2.0.25, 2.0.20, 2.0.18, 2.0.16
Reporter: John Mayfield
Attachments: KR1019900015076.pdf, KR1019980000128.pdf,
KR1019980000128_2_0_15.txt, KR1019980000128_2_0_25.txt, KR1020140140600.pdf
The text output from Korean Patent PDFs changed in v2.0.15+ (due to unicode
mapping?), this was previously addressed in PDFBOX-4661 and resolved that
example PDF in v2.0.18 - thanks. Unfortunately v2.0.18 causes other documents
(included here) to now have incorrect text output.
PDFTextStripper stripper = new PDFTextStripper();
PDDocument doc = PDDocument.load(new File("KR1019980000128.pdf"));
stripper.getText(doc);
Like in PDFBOX-4661 there are numerous warnings of the form:
WARNING: No Unicode mapping for CID+14172 (14172) in font GKYPPJ+GulimChe
I've attached the text dump of two versions, but in brief:
2.0.15: 공개번호 (public number)
2.0.25: 공개
I only confirmed the issue in the versions listed above but presume the issue
persists >=2.0.18.
My reading of PDFBOX-4661 is there is something funky about these PDFs? PDFBOX
v2.0.15 had the correct text output. Testing in PDF.js incorrectly produces
공개뮈픸 so I can see there is something non-trivial here.
Any help is much appreciated.
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