Dan Caprioara created FOP-2704:
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Summary: Using the Google fonts Roboto font (updated 2017),
java.lang.UnsupportedOperationException: coverage set class table not yet
supported
Key: FOP-2704
URL: https://issues.apache.org/jira/browse/FOP-2704
Project: FOP
Issue Type: Bug
Components: font/opentype
Affects Versions: 2.2, 2.1
Reporter: Dan Caprioara
Attachments: Roboto-Regular.ttf, Roboto-Thin.ttf
Steps:
# Download the Roboto TTF font from Google Fonts.
# Create a configuration file with a triplet pointing to the "roboto-regular"
or "roboto-thin" TTF file.
You get:
{code}
java.lang.UnsupportedOperationException: coverage set class table not yet
supported
at
org.apache.fop.complexscripts.fonts.GlyphClassTable$CoverageSetClassTable.<init>(GlyphClassTable.java:262)
at
org.apache.fop.complexscripts.fonts.GlyphClassTable.createClassTable(GlyphClassTable.java:88)
at
org.apache.fop.complexscripts.fonts.OTFAdvancedTypographicTableReader_Original.readGDEFMarkGlyphsTableFormat1(OTFAdvancedTypographicTableReader_Original.java:3344)
at
org.apache.fop.complexscripts.fonts.OTFAdvancedTypographicTableReader.readGDEFMarkGlyphsTableFormat1(OTFAdvancedTypographicTableReader.java:69)
at
org.apache.fop.complexscripts.fonts.OTFAdvancedTypographicTableReader_Original.readGDEFMarkGlyphsTable(OTFAdvancedTypographicTableReader_Original.java:3357)
at
org.apache.fop.complexscripts.fonts.OTFAdvancedTypographicTableReader_Original.readGDEF(OTFAdvancedTypographicTableReader_Original.java:3427)
at
org.apache.fop.complexscripts.fonts.OTFAdvancedTypographicTableReader_Original.readAll(OTFAdvancedTypographicTableReader_Original.java:80)
at
org.apache.fop.fonts.truetype.OpenFont.handleCharacterSpacing(OpenFont.java:786)
at org.apache.fop.fonts.truetype.OpenFont.readFont(OpenFont.java:755)
at
org.apache.fop.fonts.truetype.OFFontLoader.read(OFFontLoader.java:109)
at org.apache.fop.fonts.truetype.OFFontLoader.read(OFFontLoader.java:93)
{code}
There are two changes that should be done to the
{{OTFAdvancedTypographicTableReader}}.
# The method {{readGDEFMarkGlyphsTableFormat1}} should catch this exception
# The method {{constructLookupsLanguage}} should check if the {{languages}}
parameter is null.
After these changes, the PDF is produced and it looks good. I am not sure what
are the side effects on the font that is embedded into the PDF..
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