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Date: Tue, 9 Feb 2010 07:05:28 +0000 (UTC)
From: =?utf-8?Q?Andreas_Lehmk=C3=BChler_=28JIRA=29?= <jira@apache.org>
To: dev@pdfbox.apache.org
Subject: [jira] Resolved: (PDFBOX-542) Support for Adobe CFF/Type2 fonts
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     [ https://issues.apache.org/jira/browse/PDFBOX-542?page=3Dcom.atlassia=
n.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Lehmk=C3=BChler resolved PDFBOX-542.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.0.0

The java 6 dependencies are removed. I've added some comments to the code t=
o look for after the release.=20

At this point everything is done, so that I set this to resolved.

The CFF/Type2 support is a great improvement of PDFBox. Thanks to Villu for=
 his effort.


> Support for Adobe CFF/Type2 fonts
> ---------------------------------
>
>                 Key: PDFBOX-542
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-542
>             Project: PDFBox
>          Issue Type: New Feature
>          Components: FontBox, PDModel
>    Affects Versions: 0.8.0-incubator
>            Reporter: Villu Ruusmann
>            Assignee: Andreas Lehmk=C3=BChler
>             Fix For: 1.0.0
>
>         Attachments: fontbox-r818793.patch, pdfbox-r823839.patch, with-cf=
f.png, without-cff.png
>
>
> PDFBox should support embedded font types, most prominently the Adobe CFF=
/Type2 (aka Type1C) font type. The desired functionality includes both glyp=
h metrics (for PDF text extraction using org.apache.pdfbox.util.PDFTextStri=
pper) and glyph painting (for PDF rendering using org.apache.pdfbox.pdfview=
er.PageDrawer).
> I have implemented the basics of Adobe CFF/Type2 font specification. If t=
he other project members find my work substantial, I would like to see it i=
ncorporated into FontBox/PDFBox projects. Please see the attached patch fil=
es.
> Design considerations. A PDF FontFile3 stream can be parsed into CFFFont =
objects by class CFFParser. CFFFont contains a map of glyph names to Type2 =
charstrings, which can be converted to Type1 charstrings by class CharStrin=
gConverter and rendered by class CharStringRenderer. Glyph metrics is attai=
ned by formatting the result as AFM by class AFMFormatter, which plugs nice=
ly with existing PDFBox infrastructure. Glyph painting is attained by forma=
tting the result as PostScript Type1 font by class Type1FontFormatter, whic=
h can be loaded via java.awt.Font#createFont(int, InputStream).
> The current implementation does not support synthetic CFF fonts nor CID-k=
eyed CFF fonts. Also, the conversion of certain Type2 features (stemming, h=
inting, flex) is missing.

--=20
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