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Posted to dev@pdfbox.apache.org by "Petr Slaby (JIRA)" <ji...@apache.org> on 2014/06/11 22:44:02 UTC

[jira] [Created] (PDFBOX-2137) Rendering of Type3 string fails with NPE

Petr Slaby created PDFBOX-2137:
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             Summary: Rendering of Type3 string fails with NPE
                 Key: PDFBOX-2137
                 URL: https://issues.apache.org/jira/browse/PDFBOX-2137
             Project: PDFBox
          Issue Type: Bug
          Components: Rendering
    Affects Versions: 2.0.0
            Reporter: Petr Slaby


Rendering of the attached PDF fails with a NPE in PDFStreamEngine at the line 395 (float spaceWidthDisp = ...) because the textMatrix field is null. The reason is that the textMatrix gets reset while processing the first character of the string in PageDrawer#drawType3String(). The attached patch fixes the problem, but I am not quite sure whether it is the right solution.

To debug this, set a breakpoint in PDFStreamEngine#processEncodedText() with the condition "string.length == 2 && string[1] == 67" and watch the textMatrix field vanish after the first character has been processed.



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