/** * Sets the XFA key from a byte array. The old XFA is erased. * @param form the data * @param reader the reader * @param writer the writer * @throws java.io.IOException on error */ public static void SetXfa(XfaForm form, PdfReader reader, PdfWriter writer) { PdfDictionary af = (PdfDictionary)PdfReader.GetPdfObjectRelease(reader.Catalog.Get(PdfName.ACROFORM)); if (af == null) { return; } PdfObject xfa = GetXfaObject(reader); if (xfa.IsArray()) { PdfArray ar = (PdfArray)xfa; int t = -1; int d = -1; for (int k = 0; k < ar.Size; k += 2) { PdfString s = ar.GetAsString(k); if ("template".Equals(s.ToString())) { t = k + 1; } if ("datasets".Equals(s.ToString())) { d = k + 1; } } if (t > -1 && d > -1) { reader.KillXref(ar.GetAsIndirectObject(t)); reader.KillXref(ar.GetAsIndirectObject(d)); PdfStream tStream = new PdfStream(SerializeDoc(form.templateNode)); tStream.FlateCompress(writer.CompressionLevel); ar[t] = writer.AddToBody(tStream).IndirectReference; PdfStream dStream = new PdfStream(SerializeDoc(form.datasetsNode)); dStream.FlateCompress(writer.CompressionLevel); ar[d] = writer.AddToBody(dStream).IndirectReference; af.Put(PdfName.XFA, new PdfArray(ar)); return; } } reader.KillXref(af.Get(PdfName.XFA)); PdfStream str = new PdfStream(SerializeDoc(form.domDocument)); str.FlateCompress(writer.CompressionLevel); PdfIndirectReference refe = writer.AddToBody(str).IndirectReference; af.Put(PdfName.XFA, refe); }
public static Hashtable GetNamedDestination(PdfReader reader, bool fromNames) { IntHashtable pages = new IntHashtable(); int numPages = reader.NumberOfPages; for (int k = 1; k <= numPages; ++k) { pages[reader.GetPageOrigRef(k).Number] = k; } Hashtable names = fromNames ? reader.GetNamedDestinationFromNames() : reader.GetNamedDestinationFromStrings(); String[] keys = new String[names.Count]; names.Keys.CopyTo(keys, 0); foreach (String name in keys) { PdfArray arr = (PdfArray)names[name]; StringBuilder s = new StringBuilder(); try { s.Append(pages[(arr.GetAsIndirectObject(0)).Number]); s.Append(' ').Append(arr[1].ToString().Substring(1)); for (int k = 2; k < arr.Size; ++k) { s.Append(' ').Append(arr[k].ToString()); } names[name] = s.ToString(); } catch { names.Remove(name); } } return(names); }
public int GetDestinationPage() { if (!IsInternal()) { return(0); } // here destination is something like // [132 0 R, /XYZ, 29.3898, 731.864502, null] PdfIndirectReference refi = destination.GetAsIndirectObject(0); PRIndirectReference pr = (PRIndirectReference)refi; PdfReader r = pr.Reader; for (int i = 1; i <= r.NumberOfPages; i++) { PRIndirectReference pp = r.GetPageOrigRef(i); if (pp.Generation == pr.Generation && pp.Number == pr.Number) { return(i); } } throw new ArgumentException("Page not found."); }