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[feaLib] OTLOffsetOverflowError with Source Sans Pro

See original GitHub issue

I’m getting an OTLOffsetOverflowError when applying Source Sans Pro features with feaLib. Going to https://github.com/adobe-fonts/source-sans-pro/tree/master/Roman/Regular and calling:

apply-feature-file.py features font.ttf font2.ttf

Gives me:

Traceback (most recent call last):
  File "/fonttools/Snippets/fontTools/ttLib/tables/otBase.py", line 277, in getData
    items[i] = packUShort(item.pos - pos)
  File "/fonttools/Snippets/fontTools/ttLib/tables/otBase.py", line 522, in packUShort
    return struct.pack(">H", value)
struct.error: 'H' format requires 0 <= number <= 65535

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/fonttools/Snippets/apply-feature-file.py", line 19, in <module>
    font.save(outputFontPath)
  File "/fonts/fonttools/Snippets/fontTools/ttLib/__init__.py", line 216, in save
    self._writeTable(tag, writer, done)
  File "/fonttools/Snippets/fontTools/ttLib/__init__.py", line 648, in _writeTable
    tabledata = self.getTableData(tag)
  File "/fonttools/Snippets/fontTools/ttLib/__init__.py", line 659, in getTableData
    return self.tables[tag].compile(self)
  File "/fonttools/Snippets/fontTools/ttLib/tables/otBase.py", line 91, in compile
    return writer.getAllData()
  File "/fonttools/Snippets/fontTools/ttLib/tables/otBase.py", line 408, in getAllData
    tableData = table.getData()
  File "/fonttools/Snippets/fontTools/ttLib/tables/otBase.py", line 282, in getData
    raise OTLOffsetOverflowError(overflowErrorRecord)
fontTools.ttLib.tables.otBase.OTLOffsetOverflowError: ('GPOS', 'LookupIndex:', 10, 'SubTableIndex:', 1, 'ItemName:', 'ClassDef2', 'ItemIndex:', None)

Issue Analytics

State:
Created 7 years ago
Comments:11 (9 by maintainers)

Top GitHub Comments

1reaction

behdadcommented, Apr 9, 2016

Should be fixed!

0reactions

behdadcommented, Apr 9, 2016

Let’s continue in https://github.com/behdad/fonttools/issues/537

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