I am learning and got your point:
PdfWriter
Generates PDF documents from scratch. Can import pages from other PDF
documents. The major downside is that all interactive features of the
imported page (annotations, bookmarks, fields, and so forth) are lost in the
process.
PdfStamper:
Manipulates one (and only one) PDF document. Can be used to add content at
absolute positions, to add extra pages, or to fill out fields. All
interactive features are preserved, except when you explicitly remove them
(for instance, by flattening a form).
public static void stampPdfStamper(String src, String dest, String name,
String dateTime)
throws IOException, DocumentException {
Font FONT = new Font(FontFamily.HELVETICA, 32, Font.BOLD);
PdfReader reader = new PdfReader(new FileInputStream(src));
PdfStamper stamper = new PdfStamper(reader, new
FileOutputStream(src),'\0');
for(int i = 1; i <= reader.getNumberOfPages(); i++) {
PdfContentByte canvas = stamper.getOverContent(i);
ColumnText.showTextAligned(canvas,
Element.ALIGN_LEFT, new Phrase("Esigned Document By " + name
+ " @ " + dateTime, FONT), 0,
0, 0);
}
stamper.close();
}
Can you give me some pointers or reference on how to remove using xobject
and content stream ?
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