[PDFBOX-4661] Regression No Unicode mapping with Identity-H font

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.16, 2.0.17
• Fix Version/s: 2.0.18, 3.0.0 PDFBox
• Component/s: FontBox
• Labels: regression
• Assignee: Andreas Lehmkühler
• Reporter: Daniel Lowe
• Created: 27/Sep/19 11:10
• Updated: 22/Dec/21 19:37
• Resolved: 13/Oct/19 13:58

Description

In v2.0.16 or v2.0.17 running the following code. The expected output is obtained in v2.0.15 and earlier.

PDFTextStripper stripper = new PDFTextStripper();
PDDocument doc = PDDocument.load(new File("KR1020067006547.pdf"));
stripper.getText(doc);

results in errors like the following and missing characters

Sep 27, 2019 11:49:37 AM org.apache.pdfbox.pdmodel.font.PDType0Font toUnicode
WARNING: No Unicode mapping for CID+17679 (17679) in font LHXXBJ+¹ÙÅÁ-Identity-H
Sep 27, 2019 11:49:37 AM org.apache.pdfbox.pdmodel.font.PDType0Font toUnicode
WARNING: No Unicode mapping for CID+16131 (16131) in font LHXXBJ+¹ÙÅÁ-Identity-H
Sep 27, 2019 11:49:37 AM org.apache.pdfbox.pdmodel.font.PDType0Font toUnicode
WARNING: No Unicode mapping for CID+14802 (14802) in font LHXXBJ+¹ÙÅÁ-Identity-H

This change is likely related to PDFBOX-4549

Issue Links

• is related to: PDFBOX-5090 Missing text extraction under certain conditions starting with apache pdfbox 2.0.18
• is related to: PDFBOX-5350 Regression unicode mapping in Korean document