CFF to Type1 Font conversion is missing/corrupting the font metrics
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Key: PDFBOX-1250
URL: https://issues.apache.org/jira/browse/PDFBOX-1250
Project: PDFBox
Issue Type: Bug
Components: FontBox, PDModel
Reporter: Mehdi Houshmand
Priority: Minor
So the problem here is easily reproducible with pretty much ANY CIDFontTypeOC
font file is embedded in a PDF and PDFBox is used to rasterize it, all the
glyphs appear to have bad horizontal metrics.
Fontbox converts the CID encoded font into a Type1 font using the
org.apache.fontbox.cff.Type1FontFormatter class and for some reason, when it
does this, the horizontal metrics of the glyphs are lost/corrupted. This can
clearly be seen by putting a System.out just before the byte[] type1Bytes is
given to Font.createFont in PDType1CFont.java.
I've included the PDF and the Type1 font that PDFBox gives java.awt.Font,
openning the font in FontForge or painting the text with Graphics2D will easily
illustrate this issue.
We plan on fixing this issue in the imminent future but unfortunately, I don't
make the rules...
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