Joseph Jezerinac created PDFBOX-5877:
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Summary: After flattening a form pdf, the pdf loses content
Key: PDFBOX-5877
URL: https://issues.apache.org/jira/browse/PDFBOX-5877
Project: PDFBox
Issue Type: Bug
Components: AcroForm
Affects Versions: 3.0.3 JBIG2
Environment: Mac Ventura, java 18 PDFBox 3.0.3, Tomcat 9
Linux; version: 5.15.0-105-generic, java 17, Tomcat 9.0.93
Reporter: Joseph Jezerinac
Attachments: beforeFalttening.pdf, flattenedPdf.pdf
After flattening the pdf form content changes. Pls take a look at before and
after pdf. The flattening works fine in 2.0.31. After upgrading to 3.0.3 we
started getting many issues with pdf forms after flattening.
The code that used for flattening is as follows
PDDocument pdDocument = Loader.loadPDF(file, “”);
pdDocument.setResourceCache(new PdfResourceCache())
try {
boolean save = false;
if (pdDocument.isEncrypted()) {
pdDocument.setAllSecurityToBeRemoved(true);
save = true;
}
final PDDocumentCatalog pdDocumentCatalog = pdDocument.getDocumentCatalog();
if (pdDocumentCatalog != null) {
final PDAcroForm pdForm = pdDocumentCatalog.getAcroForm();
if (pdForm != null) {
pdForm.flatten();
save = true;
}
}
if (save) {
pdDocument.save(file);
}
}
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