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https://issues.apache.org/jira/browse/PDFBOX-704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12908515#action_12908515
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Andreas Lehmkühler commented on PDFBOX-704:
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I studied the attached patch and came to the following results/questions:
- I added the CFF-stuff with revision 942546 in May 2010
- I added the encoding patch with revision 996348 (today)
- I added the same encoding patch to pdfbox with revision 996350 (today)
- What exactly is the purpose of the CMap/CMapParser changes?
- Why is the TTFParser a subclass of the CIDFontType2Parser, shouldn't it by
vice versa?
> Implementation of additional CMAP Formats for TrueType fonts
> ------------------------------------------------------------
>
> Key: PDFBOX-704
> URL: https://issues.apache.org/jira/browse/PDFBOX-704
> Project: PDFBox
> Issue Type: Improvement
> Components: FontBox
> Affects Versions: 1.0.0, 1.1.0
> Reporter: Eric Leleu
> Priority: Minor
> Attachments: CMapFormat.patch, fontbox.patch
>
>
> Hi,
> According to the Apple's "TrueType Reference Manual" and the Microsoft's
> "TrueType 1.0 Font Files Technical Specification", there are several CMap
> formats.
> Currently FontBox implements formats 0, 4 and 6.
> In attachment you can find a patch which implements formats 2, 8, 10, 12 and
> 13 according to my understanding of the following links :
> http://www.microsoft.com/typography/otspec/cmap.htm (OpenType Specification)
> http://developer.apple.com/fonts/TTRefMan/RM06/Chap6cmap.html
> This patch includes changes proposal of the JIRA Issues :
> PDFBOX-668, PDFBOX-670, PDFBOX-691
> I hope this patch will help you.
> Regards,
> Eric
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