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List:       fop-dev
Subject:    [jira] [Commented] (FOP-2704) [PATCH] Google fonts Roboto font (updated 2017) UnsupportedOperationEx
From:       "Simon Steiner (Jira)" <jira () apache ! org>
Date:       2019-10-08 7:23:00
Message-ID: JIRA.13069973.1494244449000.23974.1570519380341 () Atlassian ! JIRA
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Simon Steiner commented on FOP-2704:
------------------------------------

Due to https://issues.apache.org/jira/browse/INFRA-19236

> [PATCH] Google fonts Roboto font (updated 2017) 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: 2.1, 2.2
> Reporter: Dan Caprioara
> Priority: Major
> Attachments: Roboto-Regular.ttf, Roboto-Thin.ttf, font-workaround.patch
> 
> 
> 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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