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Posted to dev@pdfbox.apache.org by "Emanuel Greisen (JIRA)" <ji...@apache.org> on 2016/09/27 15:46:20 UTC

[jira] [Commented] (PDFBOX-3513) PDFType3Font can have Encoding which is not a COSDictionary

    [ https://issues.apache.org/jira/browse/PDFBOX-3513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15526516#comment-15526516 ] 

Emanuel Greisen commented on PDFBOX-3513:
-----------------------------------------

This is not pretty, but it works for the PDF I have:

*org.apache.pdfbox.pdmodel.font.PDType3Font*
{code}
    @Override
    protected final void readEncoding() throws IOException
    {
    	COSBase obj = dict.getDictionaryObject(COSName.ENCODING);
    	if(obj instanceof COSDictionary)
    	{
	        COSDictionary encodingDict = (COSDictionary)obj;
	        encoding = new DictionaryEncoding(encodingDict);
    	}
    	else if(obj instanceof COSName)
    	{
    		COSName encName = (COSName) obj;
    		if("WinAnsiEncoding".equals(encName.getName()))
    		{
    			encoding = new WinAnsiEncoding();
    		}
    		else
    		{
    			throw new UnsupportedOperationException("unsupported Type 3 encoding: "+encName.getName());
    		}
    	}
		else
		{
			throw new UnsupportedOperationException("unknown object stored as encoding");
		}
        glyphList = GlyphList.getAdobeGlyphList();
    }
{code}

> PDFType3Font can have Encoding which is not a COSDictionary
> -----------------------------------------------------------
>
>                 Key: PDFBOX-3513
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3513
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 2.0.3
>            Reporter: Emanuel Greisen
>
> I tried the "ExtractTextByArea" with a PDF from my bank and go the following stacktrace:
> {code}
> Exception in thread "main" java.lang.ClassCastException: org.apache.pdfbox.cos.COSName cannot be cast to org.apache.pdfbox.cos.COSDictionary
> 	at org.apache.pdfbox.pdmodel.font.PDType3Font.readEncoding(PDType3Font.java:70)
> 	at org.apache.pdfbox.pdmodel.font.PDType3Font.<init>(PDType3Font.java:57)
> 	at org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:79)
> 	at org.apache.pdfbox.pdmodel.PDResources.getFont(PDResources.java:143)
> 	at org.apache.pdfbox.contentstream.operator.text.SetFontAndSize.process(SetFontAndSize.java:60)
> 	at org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:815)
> 	at org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:472)
> 	at org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:446)
> 	at org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:149)
> 	at org.apache.pdfbox.text.LegacyPDFStreamEngine.processPage(LegacyPDFStreamEngine.java:139)
> 	at org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:391)
> 	at org.apache.pdfbox.text.PDFTextStripperByArea.extractRegions(PDFTextStripperByArea.java:130)
> {code}
> I can read the PDF with evince, pdftk, lesspipe to extract text. I cannot upload the file as it is a bank statement with content I will not share.
> Debugging the application I found that the return from PDType3Font.java:69
> {code}
> dict.getDictionaryObject(COSName.ENCODING)
> {code}
> Is an object of type: "COSName" with the name property set to "WinAnsiEncoding".
> I hope this helps - despite the fact that I cannot share the example PDF.



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