[jira] [Commented] (PDFBOX-5432) Use embedded fonts in text annotations

["Tilman Hausherr (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-5432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17535021#comment-17535021 ] 

Tilman Hausherr commented on PDFBOX-5432:
-----------------------------------------

You can put the font in the acroform default resources. The font should not be subsetted. It might be needed to save first and reload, I remember this was a problem a few years ago.
A code comment mentions the file from this issue that does just that:
https://gitlab.freedesktop.org/poppler/poppler/issues/6

An alternative would be to write your own appearance handler and pass it to the annotation.

> Use embedded fonts in text annotations
> --------------------------------------
>
>                 Key: PDFBOX-5432
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5432
>             Project: PDFBox
>          Issue Type: New Feature
>    Affects Versions: 2.0.26
>            Reporter: Laurence Urbain
>            Priority: Major
>
> Hi,
> We are using pdfbox to add text annotations to a pdf document. Now, we need to embed the font used in the annotations to preserve the PDF/A compliance.
> Here is the code snippet we use to create the text annotation :
> {code:java}
>     final PDDocument document = new PDDocument();
>     final PDPage page = new PDPage();
>     document.addPage(page);
>     final PDAnnotationMarkup annotation = new PDAnnotationMarkup();
>     annotation.getCOSObject().setName(COSName.SUBTYPE, PDAnnotationMarkup.SUB_TYPE_FREETEXT);
>     annotation.setRectangle(new PDRectangle(200, 600, 100, 20));
>     annotation.setContents("some text");
>     annotation.setPrinted(true);
>     annotation.setDefaultAppearance("/Helv 12 Tf 0 g");
>     annotation.constructAppearances(document);
>     final List<PDAnnotation> annotations = page.getAnnotations();
>     annotations.add(annotation);
>     page.setAnnotations(annotations);
> {code}
> It is currently not possible to use an embedded font. From what I can see, _PDFreeTextAppearanceHandler_ is building the annotation's appearance dictionnary based on the annotation's default appearance or the form's default appearance.
> The font is then either retrieved by name from the form default resources, or the standard font helvetica is used.
> Would it be possible to pass a _PDFont_ object to the annotation/appearanceHandler ?
> That way, we could either choose an embedded font, a reference to an existing font (from the page resources for example), or a standard font.
> Thanks for your help



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