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https://issues.apache.org/jira/browse/PDFBOX-854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12919201#action_12919201
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MH commented on PDFBOX-854:
---------------------------

Okay, the text is e.g. "23 - 35". Your questions about the used font are 
interesting: for the PDFs that "work", they are generated with the same fonts 
as the font used for the additional text, i.e. the font is also embedded in the 
PDF. For the external PDF, this must not necessarily be true! 

Just to repeat: if I exchange my method with the iText implementation, the text 
is written with the same parameters (PDF, Text, Font, etc.) => it's something 
within PDFBox.

> PDPageContentStream.drawString() doesn't work with all PDFs
> -----------------------------------------------------------
>
>                 Key: PDFBOX-854
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-854
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 1.3.0
>         Environment: JDK 1.6.0_21
>            Reporter: MH
>         Attachments: Website_A4_Landscape_PDF14.zip
>
>
> I add custom text to misc exsiting PDF files. Now I wondered why my text 
> doesn't appear for a specific PDF. It is not encrypted, has the same page 
> size and adding Text with iText 2.1.7 works as expected. My code to add text 
> is:
> ----------------------------------
>                             final PDPage page = (PDPage) allPages.get(i);
>                             final PDPageContentStream contentStream = new 
> PDPageContentStream(doc, page, true, false);
>                             contentStream.beginText();
>                             contentStream.setFont(font, sizeOfFont);
>                             contentStream.moveTextPositionByAmount(xf, yf);
>                             contentStream.drawString(text);
>                             contentStream.endText();
>                             contentStream.close();
> ---------------------------------
> I tried to find differences between this PDF and other PDFs. What I noticed: 
> the PDF where I can't see the text has a PDF-Version "1.3" and was created by 
> "AFPL Ghostscript 8.54". Is there some known issue with PDFBox and such 
> "older" PDF formats?

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