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From "John Hewson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PDFBOX-1831) [PATCH] Fix: "Foreign" characters are not rendered
Date Sun, 05 Jan 2014 05:16:50 GMT
John Hewson created PDFBOX-1831:
-----------------------------------

             Summary: [PATCH] Fix: "Foreign" characters are not rendered
                 Key: PDFBOX-1831
                 URL: https://issues.apache.org/jira/browse/PDFBOX-1831
             Project: PDFBox
          Issue Type: Bug
          Components: FontBox
    Affects Versions: 2.0.0
            Reporter: John Hewson


This is a patch to fix PDFBOX-1691, I've opened it as its own issue because it's quite a large
patch.

The issue it fixes is that the Type 1 "seac" command was not implemented. Seac is a command
which draws a composite glyph from two other glyphs. This requires that the Type 1 renderer
has access to any of the other rendered glyphs in a CFFFont, which is why this patch is non-trivial.
The major change is that the CharStringRenderer has been refactored into a new Type1CharString
class and the CharStringConverter has been refactored into a new Type2CharString class. A
lot of code has been moved around, but overall this is a conservative patch, as most of the
code has not changed significantly.

As well as the patch, there are 3 new files:

+ fontbox/src/main/java/org/apache/fontbox/cff/Type1CharString.java
+ fontbox/src/main/java/org/apache/fontbox/cff/Type2CharString.java
+ fontbox/src/main/java/org/apache/fontbox/encoding/StandardEncoding.java

and two deleted files:

- fontbox/src/main/java/org/apache/fontbox/cff/CharStringRenderer.java
- fontbox/src/main/java/org/apache/fontbox/cff/CharStringConverter.java



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