Hello Kai,
Am Mittwoch, dem 02.08.2023 um 07:56 +0000 schrieb Kai Keggenhoff:
>
>
>
> Hi Tilman,
>
> thank you for the suggestion. Turns out, it's “Line” annotations.
> When I import
>
> <?xml version="1.0" encoding="UTF-8"?>
> <xfdf xmlns="http://ns.adobe.com/xfdf/"; xml:space="preserve">
> <annots>
> <line width="3" color="#FF0000"
> caption-style="Inline"
>
> creationdate="D:20230526112815+02'00'" flags="print"
>
> start="1770.007568,1614.721436" end="1791.373535,1658.575195"
> date="D:20230526112815+
> 02'00'" page="0"
>
> rect="1764.007568,1608.721436,1797.373535,1664.575195"
> subject="Linie"
> title="John Doe">
> <popup
> flags="print,nozoom,norotate" open="no"
>
> page="0" rect="1780.690552,-92.000000,1964.690552,0.000000"/>
> </line>
> </annots>
> </xfdf>
>
how was the xfdf generated. Can you compare to an xfdf generated when
exporting using Adobe Acrobat?
BR
Maruan
>
> into either its original source or just a fresh, DIN A4 PDF with a
> single line of text created with PDFBox, Adobe Reader will complain.
> At this point, I switched from 2.0.29 to 3.0.0beta1 and the result
> was the same.
>
> In the resulting PDF, PDFDebugger shows what is in the attachment –
> an empty “NM” entry.
> I then tried to set either “Name” or “NM” (and ultimately both) in
> dictionary of the PDAnnotation to “Line” with
>
> PDAnnotation a =
> PDAnnotation.createAnnotation(xfdfAnnotation.getCOSObject());
> a.getCOSObject().setItem(COSName.NM, new COSString("Line"));
> a.getCOSObject().setItem(COSName.NAME, new COSString("Line"));
>
> but while these values show up fine in PDFDebugger,
> Adobe Reader will still complain.
>
> Would you happen to have more suggestions how I could work around
> this please ?
>
> Thanks in advance,
>
> Kai
>
> -----Ursprüngliche Nachricht-----
> Von: Tilman Hausherr <thaush...@t-online.de>
> Gesendet: Dienstag, 1. August 2023 19:41
> An: users@pdfbox.apache.org
> Betreff: Re: Adding annotations to PDFs - "expected a name object"
>
> CAUTION - External Sender
>
>
> Try to edit the xfdf file so that it has less annotations until you
> know
> which one is the culprit. Then tell what names were in the xfdf file.
> Or
> make a screenshot in PDFDebugger of that annotation, without the text
> content.
>
> Tilman
>
> On 01.08.2023 10:15, Kai Keggenhoff wrote:
> >
> > Hello everyone,
> >
> > we’re using PDFBox to import annotations from XFDF files and add
> > them
> > to existing PDF files.
> >
> > First we create a FDFDocument from the XFDF, then we fetch the list
> > of
> > FDFAnnotations from it via
> >
> > < FDFDocument>.getCatalog().getFDF().getAnnotations()
> >
> > Then we iterate over this list, create PDAnnotations from the COS
> > objects of the FDFAnnotation with PDAnnotation.createAnnotation()
> >
> > and add the PDAnnotation to the list of page annotations we got
> > from
> > PDPage.getAnnotations()
> >
> > For most PDFs and most XFDF files, this works without any issues.
> >
> > However, some PDF files with merged annotations, when opened in
> > Adobe
> > Reader, produce a huge number of popups with the message
> >
> > “Expected a name object” / “Namensobjekt wurde erwartet”
> >
> > before the PDF is fully rendered, while the original file does not
> > show such a behaviour.
> >
> > When such PDF files are opened in Foxit PDF Reader or PDFDebugger,
> > they are rendered just fine without errors.
> >
> > We saw this happen every now and then over the years, with all
> > PDFBox
> > V2 versions, including 2.0.29,
> >
> > but it appears to have become more frequent recently, so user
> > complaints are becoming more frequent too.
> >
> > As I’m unable to share sample PDFs/XFDFs due to compliance reasons,
> > I
> > just have the question if anyone happens to have some hints
> >
> > what I could look for in an affected PDF (preferably using
> > PDFDebugger) to find out what Adobe Reader doesn’t like ?
> >
> > Ideally, I then can try to compare it with the original and find
> > the
> > part of the process which “breaks” the result.
> >
> > Thanks in advance,
> >
> > Kai
> >
> > <
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> >
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