/// <summary> /// Adds an intra document link. /// </summary> /// <param name="rect">The rect.</param> /// <param name="destinationPage">The destination page.</param> public PdfLinkAnnotation AddDocumentLink(PdfRectangle rect, int destinationPage) { PdfLinkAnnotation annotation = PdfLinkAnnotation.CreateDocumentLink(rect, destinationPage); Annotations.Add(annotation); return(annotation); }
/// <summary> /// Inserts pages of the specified document into this document. /// </summary> /// <param name="index">The index in this document where to insert the page .</param> /// <param name="document">The document to be inserted.</param> /// <param name="startIndex">The index of the first page to be inserted.</param> /// <param name="pageCount">The number of pages to be inserted.</param> public void InsertRange(int index, PdfDocument document, int startIndex, int pageCount) { if (document == null) { throw new ArgumentNullException("document"); } if (index < 0 || index > Count) { throw new ArgumentOutOfRangeException("index", "Argument 'index' out of range."); } int importDocumentPageCount = document.PageCount; if (startIndex < 0 || startIndex + pageCount > importDocumentPageCount) { throw new ArgumentOutOfRangeException("startIndex", "Argument 'startIndex' out of range."); } if (pageCount > importDocumentPageCount) { throw new ArgumentOutOfRangeException("pageCount", "Argument 'pageCount' out of range."); } PdfPage[] insertPages = new PdfPage[pageCount]; PdfPage[] importPages = new PdfPage[pageCount]; // 1st create all new pages. for (int idx = 0, insertIndex = index, importIndex = startIndex; importIndex < startIndex + pageCount; idx++, insertIndex++, importIndex++) { PdfPage importPage = document.Pages[importIndex]; PdfPage page = ImportExternalPage(importPage); insertPages[idx] = page; importPages[idx] = importPage; Owner._irefTable.Add(page); // Add page substitute to importedObjectTable. PdfImportedObjectTable importedObjectTable = Owner.FormTable.GetImportedObjectTable(importPage); importedObjectTable.Add(importPage.ObjectID, page.Reference); PagesArray.Elements.Insert(insertIndex, page.Reference); if (Owner.Settings.TrimMargins.AreSet) { page.TrimMargins = Owner.Settings.TrimMargins; } } Elements.SetInteger(Keys.Count, PagesArray.Elements.Count); // 2nd copy link annotations that are in the range of the imported pages. for (int idx = 0, importIndex = startIndex; importIndex < startIndex + pageCount; idx++, importIndex++) { PdfPage importPage = document.Pages[importIndex]; PdfPage page = insertPages[idx]; // Get annotations. PdfArray annots = importPage.Elements.GetArray(PdfPage.Keys.Annots); if (annots != null) { PdfAnnotations annotations = new PdfAnnotations(Owner); // Loop through annotations. int count = annots.Elements.Count; for (int idxAnnotation = 0; idxAnnotation < count; idxAnnotation++) { PdfDictionary annot = annots.Elements.GetDictionary(idxAnnotation); if (annot != null) { string subtype = annot.Elements.GetString(PdfAnnotation.Keys.Subtype); if (subtype == "/Link") { bool addAnnotation = false; PdfLinkAnnotation newAnnotation = new PdfLinkAnnotation(Owner); PdfName[] importAnnotationKeyNames = annot.Elements.KeyNames; foreach (PdfName pdfItem in importAnnotationKeyNames) { PdfItem impItem; switch (pdfItem.Value) { case "/BS": newAnnotation.Elements.Add("/BS", new PdfLiteral("<</W 0>>")); break; case "/F": // /F 4 impItem = annot.Elements.GetValue("/F"); Debug.Assert(impItem is PdfInteger); newAnnotation.Elements.Add("/F", impItem.Clone()); break; case "/Rect": // /Rect [68.6 681.08 145.71 702.53] impItem = annot.Elements.GetValue("/Rect"); Debug.Assert(impItem is PdfArray); newAnnotation.Elements.Add("/Rect", impItem.Clone()); break; case "/StructParent": // /StructParent 3 impItem = annot.Elements.GetValue("/StructParent"); Debug.Assert(impItem is PdfInteger); newAnnotation.Elements.Add("/StructParent", impItem.Clone()); break; case "/Subtype": // Already set. break; case "/Dest": // /Dest [30 0 R /XYZ 68 771 0] impItem = annot.Elements.GetValue("/Dest"); impItem = impItem.Clone(); // Is value an array with 5 elements where the first one is an iref? PdfArray destArray = impItem as PdfArray; if (destArray != null && destArray.Elements.Count == 5) { PdfReference iref = destArray.Elements[0] as PdfReference; if (iref != null) { iref = RemapReference(insertPages, importPages, iref); if (iref != null) { destArray.Elements[0] = iref; newAnnotation.Elements.Add("/Dest", destArray); addAnnotation = true; } } } break; default: #if DEBUG_ Debug - Break.Break(true); #endif break; } } // Add newAnnotations only it points to an imported page. if (addAnnotation) { annotations.Add(newAnnotation); } } } } // At least one link annotation found? if (annotations.Count > 0) { //Owner._irefTable.Add(annotations); page.Elements.Add(PdfPage.Keys.Annots, annotations); } } } }