Tilman Hausherr created PDFBOX-4327:
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Summary: NullPointerException in PDFStreamEngine.processSoftMask()
when running ExtractImages
Key: PDFBOX-4327
URL: https://issues.apache.org/jira/browse/PDFBOX-4327
Project: PDFBox
Issue Type: Bug
Components: Utilities
Affects Versions: 2.0.11
Reporter: Tilman Hausherr
Assignee: Tilman Hausherr
Fix For: 2.0.13, 3.0.0 PDFBox
Attachments: 000163-p2.pdf
{noformat}
Exception in thread "main" java.lang.NullPointerException
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processSoftMask(PDFStreamEngine.java:201)
at
org.apache.pdfbox.tools.ExtractImages$ImageGraphicsEngine.run(ExtractImages.java:207)
at org.apache.pdfbox.tools.ExtractImages.extract(ExtractImages.java:182)
at org.apache.pdfbox.tools.ExtractImages.run(ExtractImages.java:145)
at org.apache.pdfbox.tools.ExtractImages.main(ExtractImages.java:90)
at org.apache.pdfbox.tools.PDFBox.main(PDFBox.java:62){noformat}
The cause is that the ExtGState containing the softmask isn't assigned to the
graphics state. Just assigning the softmask isn't enough (another NPE occurs)
because the initial CTM (needed by a clone) is only set when using
{{copyIntoGraphicsState}}.
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