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Posted to dev@pdfbox.apache.org by "Matías Giovannini (JIRA)" <ji...@apache.org> on 2017/07/28 23:17:01 UTC

[jira] [Issue Comment Deleted] (PDFBOX-3884) GlyphList registers "wrong" Adobe name for "U+02DC SMALL TILDE"

     [ https://issues.apache.org/jira/browse/PDFBOX-3884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matías Giovannini updated PDFBOX-3884:
--------------------------------------
    Comment: was deleted

(was: This problem occurs in seven instances in total. In every case, the corresponding {{Encoding}} classes list the _latter_ name in the Glyph List, but the {{GlyphList}} class retains the former, leading to round-trip encoding exceptions. As a workaround, I patch the {{Encoding}} instances using reflection:


{code:java}
final Method method = Encoding.class.getDeclaredMethod("overwrite", int.class, String.class);
method.setAccessible(true);
method.invoke(WinAnsiEncoding.INSTANCE, 0230, "ilde"); // tilde
method.invoke(WinAnsiEncoding.INSTANCE, 0267, "middot"); // periodcentered
method.invoke(SymbolEncoding.INSTANCE, 0042, "forall"); // universal
method.invoke(SymbolEncoding.INSTANCE, 0100, "approximatelyequal"); // congruent
method.invoke(SymbolEncoding.INSTANCE, 0127, "Ohm"); // Omega
method.invoke(SymbolEncoding.INSTANCE, 0363, "integraltop"); // integraltp
method.invoke(SymbolEncoding.INSTANCE, 0365, "integralbottom"); // integralbt
{code}
)

> GlyphList registers "wrong" Adobe name for "U+02DC SMALL TILDE"
> ---------------------------------------------------------------
>
>                 Key: PDFBOX-3884
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3884
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 2.0.6
>            Reporter: Matías Giovannini
>            Priority: Minor
>         Attachments: PDFEncodingError.java
>
>
> The Adobe Glyph List contains both "ilde;02DC" (line 2304) and "tilde;02DC" (line 3826), so the Unicode conversion of ExtendedRoman 0x98 (152) "small tilde" fails:
> java.lang.IllegalArgumentException: U+02DC ('ilde') is not available in this font Times-Roman encoding: WinAnsiEncoding
> 	at org.apache.pdfbox.pdmodel.font.PDType1Font.encode(PDType1Font.java:425)
> 	at org.apache.pdfbox.pdmodel.font.PDFont.encode(PDFont.java:323)
> 	at org.apache.pdfbox.pdmodel.PDPageContentStream.showText(PDPageContentStream.java:414)
> 	at pdftest.PDFEncodingError.main(PDFEncodingError.java:18)



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