Hi,
what happens when you remove the line pdForm.setNeedAppearances( true
); or set to false?
The attachments didn't make it to the mailing list - can you upload
these to a shared location?
BR
Maruan
Am Donnerstag, dem 02.02.2023 um 19:30 +0200 schrieb Jurgen Doll:
> Hi
>
> I have PDF forms which when opened and rendered as an image with
> PDFBox don't display the contents/values of all the populated
> fields. However the same PDF files render all fields correctly in
> Acrobat and Edge. Specifically it seem that text fields that appear
> to render each letter in a box (combing?) are displayed with PDFBox,
> but 'unspaced' textfield values are not rendered.
>
> I would like to know if there is some way that I can detect that a
> field won't be rendered and to correct it via PDFBox code before
> rendering.
>
> Additional information:
>
> The PDF forms originate from other independent organizations, which
> are consumed and populated by my application.
>
> I've attached stripped down versions (just three fields) of one of
> these forms, namely EmptyForm.pdf (unpopulated) as consumed by my
> application and then PopulatedForm.pdf after field processing and
> then saved (all via PDFBox API).
>
> Below basic PDFBox code that I use to achieve this:
>
> try ( var pdfDoc = PDDocument.load( new File("EmptyForm.pdf") ) )
> {
> var pdForm = pdfDoc.getDocumentCatalog().getAcroForm();
> pdForm.setNeedAppearances( true ); //*1
>
> for ( var field : pdForm.getFields() )
> {
> var fldValue = getValueFor( field.getPartialName() );
> field.setValue( fldValue );
> }
>
> pdForm.refreshAppearances(); //*1
> var pages = new PDFRenderer( pdfDoc );
> var pgImage = pages.renderImage(0);
>
> // display pgImage: only two fields have been rendered NOT three
> ?
>
> pdfDoc.save( "PopulatedForm.pdf" );
> }
> catch ( IOException IO )
> {
> IO.printStackTrace();
> }
>
> //*1 Without these two lines Acrobat and Edge also exhibit the same
> behavior as PDFBox
>
>
> This happens using JRE 11 and PDFBox 2.0.24, 2.0.27, as well as
> 3.0.0 alpha3
>
> Thanks in advance
> Jurgen
>
>
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