예제 #1
0
 internal void Close(Hashtable moreInfo)
 {
     if (closed)
         return;
     if (useVp) {
         reader.SetViewerPreferences(viewerPreferences);
         MarkUsed(reader.Trailer.Get(PdfName.ROOT));
     }
     if (flat)
         FlatFields();
     if (flatFreeText)
         FlatFreeTextFields();
     AddFieldResources();
     PdfDictionary catalog = reader.Catalog;
     PdfDictionary pages = (PdfDictionary)PdfReader.GetPdfObject(catalog.Get(PdfName.PAGES));
     pages.Put(PdfName.ITXT, new PdfString(Document.Release));
     MarkUsed(pages);
     PdfDictionary acroForm = (PdfDictionary)PdfReader.GetPdfObject(catalog.Get(PdfName.ACROFORM), reader.Catalog);
     if (acroFields != null && acroFields.Xfa.Changed) {
         MarkUsed(acroForm);
         if (!flat)
             acroFields.Xfa.SetXfa(this);
     }
     if (sigFlags != 0) {
         if (acroForm != null) {
             acroForm.Put(PdfName.SIGFLAGS, new PdfNumber(sigFlags));
             MarkUsed(acroForm);
             MarkUsed(catalog);
         }
     }
     closed = true;
     AddSharedObjectsToBody();
     SetOutlines();
     SetJavaScript();
     AddFileAttachments();
     if (openAction != null) {
         catalog.Put(PdfName.OPENACTION, openAction);
     }
     if (pdf.pageLabels != null)
         catalog.Put(PdfName.PAGELABELS, pdf.pageLabels.GetDictionary(this));
     // OCG
     if (documentOCG.Count > 0) {
         FillOCProperties(false);
         PdfDictionary ocdict = catalog.GetAsDict(PdfName.OCPROPERTIES);
         if (ocdict == null) {
             reader.Catalog.Put(PdfName.OCPROPERTIES, OCProperties);
         }
         else {
             ocdict.Put(PdfName.OCGS, OCProperties.Get(PdfName.OCGS));
             PdfDictionary ddict = ocdict.GetAsDict(PdfName.D);
             if (ddict == null) {
                 ddict = new PdfDictionary();
                 ocdict.Put(PdfName.D, ddict);
             }
             ddict.Put(PdfName.ORDER, OCProperties.GetAsDict(PdfName.D).Get(PdfName.ORDER));
             ddict.Put(PdfName.RBGROUPS, OCProperties.GetAsDict(PdfName.D).Get(PdfName.RBGROUPS));
             ddict.Put(PdfName.OFF, OCProperties.GetAsDict(PdfName.D).Get(PdfName.OFF));
             ddict.Put(PdfName.AS, OCProperties.GetAsDict(PdfName.D).Get(PdfName.AS));
         }
     }
     // metadata
     int skipInfo = -1;
     PRIndirectReference iInfo = (PRIndirectReference)reader.Trailer.Get(PdfName.INFO);
     PdfDictionary oldInfo = (PdfDictionary)PdfReader.GetPdfObject(iInfo);
     String producer = null;
     if (iInfo != null)
         skipInfo = iInfo.Number;
     if (oldInfo != null && oldInfo.Get(PdfName.PRODUCER) != null)
         producer = oldInfo.GetAsString(PdfName.PRODUCER).ToString();
     if (producer == null) {
         producer = Document.Version;
     }
     else if (producer.IndexOf(Document.Product) == -1) {
         StringBuilder buf = new StringBuilder(producer);
         buf.Append("; modified using ");
         buf.Append(Document.Version);
         producer = buf.ToString();
     }
     // XMP
     byte[] altMetadata = null;
     PdfObject xmpo = PdfReader.GetPdfObject(catalog.Get(PdfName.METADATA));
     if (xmpo != null && xmpo.IsStream()) {
         altMetadata = PdfReader.GetStreamBytesRaw((PRStream)xmpo);
         PdfReader.KillIndirect(catalog.Get(PdfName.METADATA));
     }
     if (xmpMetadata != null) {
         altMetadata = xmpMetadata;
     }
     // if there is XMP data to add: add it
     PdfDate date = new PdfDate();
     if (altMetadata != null) {
         PdfStream xmp;
         try {
             XmpReader xmpr = new XmpReader(altMetadata);
             if (!xmpr.Replace("http://ns.adobe.com/pdf/1.3/", "Producer", producer))
                 xmpr.Add("rdf:Description", "http://ns.adobe.com/pdf/1.3/", "pdf:Producer", producer);
             if (!xmpr.Replace("http://ns.adobe.com/xap/1.0/", "ModifyDate", date.GetW3CDate()))
                 xmpr.Add("rdf:Description", "http://ns.adobe.com/xap/1.0/", "xmp:ModifyDate", date.GetW3CDate());
             xmpr.Replace("http://ns.adobe.com/xap/1.0/", "MetadataDate", date.GetW3CDate());
             xmp = new PdfStream(xmpr.SerializeDoc());
         }
         catch {
             xmp = new PdfStream(altMetadata);
         }
         xmp.Put(PdfName.TYPE, PdfName.METADATA);
         xmp.Put(PdfName.SUBTYPE, PdfName.XML);
         if (crypto != null && !crypto.IsMetadataEncrypted()) {
             PdfArray ar = new PdfArray();
             ar.Add(PdfName.CRYPT);
             xmp.Put(PdfName.FILTER, ar);
         }
         if (append && xmpo != null) {
             body.Add(xmp, xmpo.IndRef);
         }
         else {
             catalog.Put(PdfName.METADATA, body.Add(xmp).IndirectReference);
             MarkUsed(catalog);
         }
     }
     try {
         file.ReOpen();
         AlterContents();
         int rootN = ((PRIndirectReference)reader.trailer.Get(PdfName.ROOT)).Number;
         if (append) {
             int[] keys = marked.GetKeys();
             for (int k = 0; k < keys.Length; ++k) {
                 int j = keys[k];
                 PdfObject obj = reader.GetPdfObjectRelease(j);
                 if (obj != null && skipInfo != j && j < initialXrefSize) {
                     AddToBody(obj, j, j != rootN);
                 }
             }
             for (int k = initialXrefSize; k < reader.XrefSize; ++k) {
                 PdfObject obj = reader.GetPdfObject(k);
                 if (obj != null) {
                     AddToBody(obj, GetNewObjectNumber(reader, k, 0));
                 }
             }
         }
         else {
             for (int k = 1; k < reader.XrefSize; ++k) {
                 PdfObject obj = reader.GetPdfObjectRelease(k);
                 if (obj != null && skipInfo != k) {
                     AddToBody(obj, GetNewObjectNumber(reader, k, 0), k != rootN);
                 }
             }
         }
     }
     finally {
         try {
             file.Close();
         }
         catch  {
             // empty on purpose
         }
     }
     PdfIndirectReference encryption = null;
     PdfObject fileID = null;
     if (crypto != null) {
         if (append) {
             encryption = reader.GetCryptoRef();
         }
         else {
             PdfIndirectObject encryptionObject = AddToBody(crypto.GetEncryptionDictionary(), false);
             encryption = encryptionObject.IndirectReference;
         }
         fileID = crypto.FileID;
     }
     else
         fileID = PdfEncryption.CreateInfoId(PdfEncryption.CreateDocumentId());
     PRIndirectReference iRoot = (PRIndirectReference)reader.trailer.Get(PdfName.ROOT);
     PdfIndirectReference root = new PdfIndirectReference(0, GetNewObjectNumber(reader, iRoot.Number, 0));
     PdfIndirectReference info = null;
     PdfDictionary newInfo = new PdfDictionary();
     if (oldInfo != null) {
         foreach (PdfName key in oldInfo.Keys) {
             PdfObject value = PdfReader.GetPdfObject(oldInfo.Get(key));
             newInfo.Put(key, value);
         }
     }
     if (moreInfo != null) {
         foreach (DictionaryEntry entry in moreInfo) {
             PdfName keyName = new PdfName((String)entry.Key);
             String value = (String)entry.Value;
             if (value == null)
                 newInfo.Remove(keyName);
             else
                 newInfo.Put(keyName, new PdfString(value, PdfObject.TEXT_UNICODE));
         }
     }
     newInfo.Put(PdfName.MODDATE, date);
     newInfo.Put(PdfName.PRODUCER, new PdfString(producer));
     if (append) {
         if (iInfo == null)
             info = AddToBody(newInfo, false).IndirectReference;
         else
             info = AddToBody(newInfo, iInfo.Number, false).IndirectReference;
     }
     else {
         info = AddToBody(newInfo, false).IndirectReference;
     }
     // write the cross-reference table of the body
     body.WriteCrossReferenceTable(os, root, info, encryption, fileID, prevxref);
     if (fullCompression) {
         byte[] tmp = GetISOBytes("startxref\n");
         os.Write(tmp, 0, tmp.Length);
         tmp = GetISOBytes(body.Offset.ToString());
         os.Write(tmp, 0, tmp.Length);
         tmp = GetISOBytes("\n%%EOF\n");
         os.Write(tmp, 0, tmp.Length);
     }
     else {
         PdfTrailer trailer = new PdfTrailer(body.Size,
         body.Offset,
         root,
         info,
         encryption,
         fileID, prevxref);
         trailer.ToPdf(this, os);
     }
     os.Flush();
     if (CloseStream)
         os.Close();
     reader.Close();
 }
예제 #2
0
 /**
 * Adds the date of creation to the document.
 */
 internal void AddCreationDate()
 {
     PdfString date = new PdfDate();
     Put(PdfName.CREATIONDATE, date);
     Put(PdfName.MODDATE, date);
 }