Henry Iguaro created PDFBOX-5313:
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Summary: `NullPointerException` when intersecting area with null
clipping path
Key: PDFBOX-5313
URL: https://issues.apache.org/jira/browse/PDFBOX-5313
Project: PDFBox
Issue Type: Bug
Components: Rendering
Affects Versions: 2.0.24
Reporter: Henry Iguaro
Hey guys!
We got a PDF that manages to trigger the following NPE from {{PageDrawer}}:
java.lang.NullPointerException: null
at java.desktop/java.awt.geom.Area.<init>(Area.java:126)
at org.apache.pdfbox.rendering.PageDrawer.fillPath(PageDrawer.java:900)
at
org.apache.pdfbox.contentstream.operator.graphics.FillNonZeroRule.process(FillNonZeroRule.java:37)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:933)
The file even breaks on {{pdf-debugger}} (it fails to render).
*Unfortunately, I can’t share the file.*
{{}}
Looking at the documentation for
[{{Graphics.getClip()}}|https://docs.oracle.com/javase/6/docs/api/java/awt/Graphics.html#getClip()],
it mentions that the result can be {{null}}, and if {{null}} is passed to the
{{Area}} constructor this ends up in a {{NullPointerException}}. Further
studying the {{PageDrawer}} code, it seems that {{graphics.getClip()}}
shouldn't return {{null}}, however, we proposed a small fix in the following PR
that seems to do the trick:
[https://github.com/apache/pdfbox/pull/133]
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