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https://issues.apache.org/jira/browse/PDFBOX-4545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16838729#comment-16838729
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Jason Kantz commented on PDFBOX-4545:
-------------------------------------
Thanks, for the pointer to the optimization. Saving and discarding the output
will work-around the issue.
A fix would be useful for cases where PDFRenderer is used to create a thumbnail
and the PDF is only optionally saved later.
> PdfRenderer fails to render subsetted font
> ------------------------------------------
>
> Key: PDFBOX-4545
> URL: https://issues.apache.org/jira/browse/PDFBOX-4545
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel, Rendering
> Affects Versions: 2.0.15
> Reporter: Jason Kantz
> Priority: Minor
> Attachments: embedder.patch
>
>
> In 2.0.3, TrueTypeEmbedder initializes FONT_FILE2 with the full font (1) and
> then writes the subset later on save (2) (3).
> In 2.0.15 TrueTypeEmbedder now only initializes FONT_FILE2 if !embeddedSubset
> (4).
> This results in PDFRenderer failing to find and use the intended font when
> using a PDDocument that has never been saved.
> Attached patch restores the original behavior to work around the issue.
> (1)
> https://apache.googlesource.com/pdfbox/+/refs/tags/2.0.3/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/TrueTypeEmbedder.java#82
> (2)
> https://apache.googlesource.com/pdfbox/+/refs/tags/2.0.3/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/PDDocument.java#1128
> (3)
> https://apache.googlesource.com/pdfbox/+/refs/tags/2.0.3/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/TrueTypeEmbedder.java#100
> (4)
> [https://apache.googlesource.com/pdfbox/+/refs/tags/2.0.15/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/font/TrueTypeEmbedder.java#77]
>
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