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https://issues.apache.org/jira/browse/PDFBOX-4334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16650585#comment-16650585
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Tilman Hausherr commented on PDFBOX-4334:
-----------------------------------------
Here's what should come - check your logging:
{quote}
15.10.2018 20:22:48.615 WARN [main] org.apache.pdfbox.pdmodel.PDDocument:679 -
inherited resources of source document are not imported to destination page
15.10.2018 20:22:48.618 WARN [main] org.apache.pdfbox.pdmodel.PDDocument:680 -
call importedPage.setResources(page.getResources()) to do this
{quote}
So the workaround would be somewhat like this:
{code}
PDPage page = pdfDocument.getDocumentCatalog().getPages().get(0);
PDPage newPage = newDocument.importPage(page);
if (newPage.getResources() == null)
newPage.setResources(page.getResources());
{code}
Of course this should be fixed… I need to read PDFBOX-3428 and related again.
> Copying single page from pdf to new document results in invalid pdf
> -------------------------------------------------------------------
>
> Key: PDFBOX-4334
> URL: https://issues.apache.org/jira/browse/PDFBOX-4334
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.12
> Reporter: Bjorn Misseghers
> Priority: Minor
> Attachments: 67.pdf, 67converted.pdf
>
>
> When trying to copy the first page of attached pdf document (67.pdf) into a
> new pdf document, no errors are thrown. However, the resulting pdf document
> is invalid.
> The code snippet used for extracting the page (tried using both the addPage
> and importPage method) :
>
> {code:java}
> public static void getFirstPageOfPdfAsPdf(InputStream sourcePDF,
> OutputStream outputPDF) throws OneaException {
> try {
> PDDocument pdfDocument = PDDocument.load(sourcePDF);
> PDDocument newDocument = new PDDocument();
> try {
>
> newDocument.addPage(pdfDocument.getDocumentCatalog().getPages().get(0));
> // newDocument.importPage(pdfDocument.getPage(0));
> newDocument.save(outputPDF);
> } finally {
> StreamTools.closeStream(newDocument);
> StreamTools.closeStream(pdfDocument);
> }
> } catch (Exception ex) {
> throw new Exception("Cannot extract first page from PDF: " +
> ex.getMessage());
> }
> }
> {code}
>
> The converted file is also attached (67converted.pdf)
>
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