[jira] [Commented] (FOP-2697) Acrobat Reader error with Adobe Kozuka Mincho font

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[jira] [Commented] (FOP-2697) Acrobat Reader error with Adobe Kozuka Mincho font

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    [ https://issues.apache.org/jira/browse/FOP-2697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15899322#comment-15899322 ]

Kazuyuki Murakami commented on FOP-2697:

KozMinPr6N-Regular.otf with embedding-mode="full", this works fine.
But this font has a size of 7 MB, it is difficult to embed it all.

> Acrobat Reader error with Adobe Kozuka Mincho font
> --------------------------------------------------
>                 Key: FOP-2697
>                 URL: https://issues.apache.org/jira/browse/FOP-2697
>             Project: FOP
>          Issue Type: Bug
>          Components: font/opentype
>    Affects Versions: trunk
>         Environment: Operating Systems: Windows
> JDK: 1.8
> OpenFont: Adobe Kozuka Mincho
>            Reporter: Kazuyuki Murakami
>         Attachments: fop.xconf, test.fo, test_KozukaMinchoPr6NR.pdf, test_NotoSansCJKjp.pdf
> The Kozuka Mincho Pr6N R font cannot be embedded into PDF document.
> How to repeat
> 1. Get FOP from trunk@1784735
> 2. Install Adobe Acrobat Reader DC Japanese language version.
> 3. Get Font from C:\Program Files (x86)\Adobe\Acrobat DC\Resource\CIDFont\KozMinPr6N-Regular.otf
> 4. Use my config file and generate the PDF, there is no error reported.
> 5. Open the PDF file in Acro-Reader, it will report the "cannot extract the embedded font" error.
> Notes
> 1. When use the Noto Sans CJK JP and Kozuka Gothic Pr6N M fonts, there is no problem.
> 2. But NfMotoya Cedar Std W1 (Free Font, Regisration needed) and Morisawa A-OTF Shin Go Pro R are failed.
> 3. Read embedded stream by CFFParser, test_NotoSansCJKjp.pdf is ok, test_KozukaMinchoPr6NR.pdf is failed at reading CharStringIndex.
> java.io.EOFException
> at org.apache.fontbox.cff.DataInput.readUnsignedShort(DataInput.java:151)
> at org.apache.fontbox.cff.CFFDataInput.readCard16(CFFDataInput.java:55)
> at org.apache.fontbox.cff.CFFParser.readIndexDataOffsets(CFFParser.java:172)
> at org.apache.fontbox.cff.CFFParser.readIndexData(CFFParser.java:193)
> at org.apache.fontbox.cff.CFFParser.parseFont(CFFParser.java:456)
> at org.apache.fontbox.cff.CFFParser.parse(CFFParser.java:141)
> CFFParser#parseFont()
> // charstrings index
> DictData.Entry charStringsEntry = topDict.getEntry("CharStrings");
> int charStringsOffset = charStringsEntry.getNumber(0).intValue(); // THIS VALUE IS NEGATIVE!!
> input.setPosition(charStringsOffset);
> byte[][] charStringsIndex = readIndexData(input);

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