iTextSharp.text.pdf.PdfStamperImp.InsertPage C# (CSharp) Метод

        internal void InsertPage(int pageNumber, Rectangle mediabox)
        {
            Rectangle media = new Rectangle(mediabox);
            int rotation = media.Rotation % 360;
            PdfDictionary page = new PdfDictionary(PdfName.PAGE);
            PdfDictionary resources = new PdfDictionary();
            PdfArray procset = new PdfArray();
            procset.Add(PdfName.PDF);
            procset.Add(PdfName.TEXT);
            procset.Add(PdfName.IMAGEB);
            procset.Add(PdfName.IMAGEC);
            procset.Add(PdfName.IMAGEI);
            resources.Put(PdfName.PROCSET, procset);
            page.Put(PdfName.RESOURCES, resources);
            page.Put(PdfName.ROTATE, new PdfNumber(rotation));
            page.Put(PdfName.MEDIABOX, new PdfRectangle(media, rotation));
            PRIndirectReference pref = reader.AddPdfObject(page);
            PdfDictionary parent;
            PRIndirectReference parentRef;
            if (pageNumber > reader.NumberOfPages) {
                PdfDictionary lastPage = reader.GetPageNRelease(reader.NumberOfPages);
                parentRef = (PRIndirectReference)lastPage.Get(PdfName.PARENT);
                parentRef = new PRIndirectReference(reader, parentRef.Number);
                parent = (PdfDictionary)PdfReader.GetPdfObject(parentRef);
                PdfArray kids = (PdfArray)PdfReader.GetPdfObject(parent.Get(PdfName.KIDS), parent);
                kids.Add(pref);
                MarkUsed(kids);
                reader.pageRefs.InsertPage(pageNumber, pref);
            }
            else {
                if (pageNumber < 1)
                    pageNumber = 1;
                PdfDictionary firstPage = reader.GetPageN(pageNumber);
                PRIndirectReference firstPageRef = reader.GetPageOrigRef(pageNumber);
                reader.ReleasePage(pageNumber);
                parentRef = (PRIndirectReference)firstPage.Get(PdfName.PARENT);
                parentRef = new PRIndirectReference(reader, parentRef.Number);
                parent = (PdfDictionary)PdfReader.GetPdfObject(parentRef);
                PdfArray kids = (PdfArray)PdfReader.GetPdfObject(parent.Get(PdfName.KIDS), parent);
                int len = kids.Size;
                int num = firstPageRef.Number;
                for (int k = 0; k < len; ++k) {
                    PRIndirectReference cur = (PRIndirectReference)kids[k];
                    if (num == cur.Number) {
                        kids.Add(k, pref);
                        break;
                    }
                }
                if (len == kids.Size)
                    throw new Exception(MessageLocalization.GetComposedMessage("internal.inconsistence"));
                MarkUsed(kids);
                reader.pageRefs.InsertPage(pageNumber, pref);
                CorrectAcroFieldPages(pageNumber);
            }
            page.Put(PdfName.PARENT, parentRef);
            while (parent != null) {
                MarkUsed(parent);
                PdfNumber count = (PdfNumber)PdfReader.GetPdfObjectRelease(parent.Get(PdfName.COUNT));
                parent.Put(PdfName.COUNT, new PdfNumber(count.IntValue + 1));
                parent = parent.GetAsDict(PdfName.PARENT);
            }
        }