Wolfgang Glas created PDFBOX-1549:
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Summary: TTFSubFont generates bug-prone TTF sub fonts screwing
some printers
Key: PDFBOX-1549
URL: https://issues.apache.org/jira/browse/PDFBOX-1549
Project: PDFBox
Issue Type: Bug
Components: FontBox
Affects Versions: 1.8.0
Environment: all
Reporter: Wolfgang Glas
Fix For: 1.8.0
The extracted TTF fonts generated by TTFSubFont do not conform to the TrueType
standard.
Most notably, the font checksum is calculated to an invalid value
among other more subtle issues. Users may experience a screwed up firmware of
Minolta printers when such a file is printed via Adobe Reader and the Windows
PostScript printer driver.
With the help of Microsoft's font validator tool, I have already been able to
fix most of these problems in my original code:
http://www.microsoft.com/typography/fontvalidator.mspx
A port of my patch to pdfbox is on the way, but it's quite cumbersome to port
the patch to the pdfbox code. (tab vs. space, testcases needed...)
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