/**
* Processes a properly tagged PDF form.
* @param reader the PdfReader instance holding the PDF
* @throws IOException
* @throws DocumentException
*/
virtual public void Process(PdfReader reader, Stream os) {
int n = reader.NumberOfPages;
// getting the root dictionary
PdfDictionary catalog = reader.Catalog;
// flattening means: remove AcroForm
catalog.Remove(PdfName.ACROFORM);
// read the structure and create a parser
StructureItems items = new StructureItems(reader);
MCParser parser = new MCParser(items);
// loop over all pages
for(int i = 1; i <= n; i++) {
// make one stream of a content stream array
reader.SetPageContent(i, reader.GetPageContent(i));
// parse page
parser.Parse(reader.GetPageN(i), reader.GetPageOrigRef(i));
}
reader.RemoveUnusedObjects();
// create flattened file
PdfStamper stamper = new PdfStamper(reader, os);
items.WriteParentTree(stamper.Writer);
stamper.Close();
}
/**
* Creates an MCParser object.
* @param items a list of StructureItem objects
*/
public MCParser(StructureItems items) {
PopulateOperators();
this.items = items;
}
