iTextSharp.text.pdf.PdfWriter.Close C# (CSharp) Méthode

        public override void Close()
        {
            if (open) {
                if ((currentPageNumber - 1) != pageReferences.Count)
                    throw new Exception("The page " + pageReferences.Count +
                    " was requested but the document has only " + (currentPageNumber - 1) + " pages.");
                pdf.Close();
                AddSharedObjectsToBody();
                foreach (IPdfOCG layer in documentOCG.Keys) {
                    AddToBody(layer.PdfObject, layer.Ref);
                }
                // add the root to the body
                PdfIndirectReference rootRef = root.WritePageTree();
                // make the catalog-object and add it to the body
                PdfDictionary catalog = GetCatalog(rootRef);
                // [C9] if there is XMP data to add: add it
                if (xmpMetadata != null) {
                    PdfStream xmp = new PdfStream(xmpMetadata);
                    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);
                    }
                    catalog.Put(PdfName.METADATA, body.Add(xmp).IndirectReference);
                }
                // [C10] make pdfx conformant
                if (IsPdfX()) {
                    CompleteInfoDictionary(Info);
                    CompleteExtraCatalog(ExtraCatalog);
                }
                // [C11] Output Intents
                if (extraCatalog != null) {
                    catalog.MergeDifferent(extraCatalog);
                }

                WriteOutlines(catalog, false);

                // add the Catalog to the body
                PdfIndirectObject indirectCatalog = AddToBody(catalog, false);
                // add the info-object to the body
                PdfIndirectObject infoObj = AddToBody(Info, false);

                // [F1] encryption
                PdfIndirectReference encryption = null;
                PdfObject fileID = null;
                body.FlushObjStm();
                if (crypto != null) {
                    PdfIndirectObject encryptionObject = AddToBody(crypto.GetEncryptionDictionary(), false);
                    encryption = encryptionObject.IndirectReference;
                    fileID = crypto.FileID;
                }
                else
                    fileID = PdfEncryption.CreateInfoId(PdfEncryption.CreateDocumentId());

                // write the cross-reference table of the body
                body.WriteCrossReferenceTable(os, indirectCatalog.IndirectReference,
                    infoObj.IndirectReference, encryption,  fileID, prevxref);

                // make the trailer
                // [F2] full compression
                if (fullCompression) {
                    WriteKeyInfo(os);
                    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,
                    indirectCatalog.IndirectReference,
                    infoObj.IndirectReference,
                    encryption,
                    fileID, prevxref);
                    trailer.ToPdf(this, os);
                }
                base.Close();
            }
        }

        public void Save(System.Drawing.Bitmap bm, string filename, System.Drawing.RotateFlipType rotate)
        {
            Bitmap image = bm;

            if (rotate != RotateFlipType.RotateNoneFlipNone)
            {
                image.RotateFlip(rotate);
            }

            using (FileStream stream = new FileStream(filename, FileMode.Create))
            {
                using (iTextSharp.text.Document pdfDocument = new iTextSharp.text.Document(PageSize.LETTER, PAGE_LEFT_MARGIN, PAGE_RIGHT_MARGIN, PAGE_TOP_MARGIN, PAGE_BOTTOM_MARGIN))
                {
                    iTextSharp.text.pdf.PdfWriter writer = iTextSharp.text.pdf.PdfWriter.GetInstance(pdfDocument, stream);
                    pdfDocument.Open();

                    MemoryStream ms = new MemoryStream();
                    image.Save(ms, System.Drawing.Imaging.ImageFormat.Tiff);
                    iTextSharp.text.Image img = iTextSharp.text.Image.GetInstance(ms);
                    img.ScaleToFit(PageSize.LETTER.Width - (PAGE_LEFT_MARGIN + PAGE_RIGHT_MARGIN), PageSize.LETTER.Height - (PAGE_TOP_MARGIN + PAGE_BOTTOM_MARGIN));
                    pdfDocument.Add(img);

                    pdfDocument.Close();
                    writer.Close();
                }
            }
        }