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From Andreas Lehmkühler (JIRA) <j...@apache.org>
Subject [jira] [Closed] (PDFBOX-469) q command not supported
Date Fri, 18 May 2012 16:51:08 GMT

     [ https://issues.apache.org/jira/browse/PDFBOX-469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andreas Lehmkühler closed PDFBOX-469.
-------------------------------------

    Resolution: Won't Fix
      Assignee: Andreas Lehmkühler

The q command support works well as Daniel already stated.

The culprit is a malformed pdf. According to the pdf specs nothing should appear between "endobj"
and an objekt number like "3 0 obj". As we don't have a sample pdf to check if the current
version is more lenient than 0.8.0-incubating I closed the issue.
                
> q command not supported
> -----------------------
>
>                 Key: PDFBOX-469
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-469
>             Project: PDFBox
>          Issue Type: Bug
>    Affects Versions: 0.8.0-incubator
>            Reporter: Sean Bridges
>            Assignee: Andreas Lehmkühler
>
> This is with svn version 773978
> I have several files which fail with sections like,
> endobj
> 187 0 obj
> <</ProcSet[/PDF/Text]
> /Font<</F0 7 0 R
> /F1 12 0 R
> >>
> /XObject<<>>
> >>
> endobj
> q
> 3 0 obj
> <</CreationDate (D:20050222175042)
> /Producer (PDFlib 3.02 \(ActiveX/Win32\))
> >>
> endobj
> They fail due to the "q" line.  I think this is a directive to save the current graphics
state, as described in 4.3.1 of the PDF Reference, V 1.7
> The exception stack trace is,
> Caused by: java.io.IOException: Error: Expected an integer type, actual='q'
> 	at org.apache.pdfbox.pdfparser.BaseParser.readInt(BaseParser.java:1197)
> 	at org.apache.pdfbox.pdfparser.PDFParser.parseObject(PDFParser.java:459)
> 	at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:169)
> 	at message_analyzer.extractor.PDFExtractor.getContent(PDFExtractor.java:32)
> Adding the code,
>         else if(peekedChar == 'q' || peekedChar == 'Q') {
>             pdfSource.read();
>             skipSpaces();         
>         }
> around line 434 in the parseObject() method of PDFParser seems to fix it.

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