public static void Run( String openPath, // source PDF document String savePath // output PDF document ) { Pdfix pdfix = PdfixEngine.Instance; PdfDoc doc = pdfix.OpenDoc(openPath, ""); if (doc == null) { throw new Exception(pdfix.GetError()); } PdfPage page = doc.AcquirePage(0); if (page == null) { throw new Exception(pdfix.GetError()); } PdfRect cropBox = page.GetCropBox(); // place annotation to the middle of the page PdfRect annotRect = new PdfRect(); annotRect.left = (float)((cropBox.right + cropBox.left) / 2.0) - 10; annotRect.bottom = (float)((cropBox.top + cropBox.bottom) / 2.0) - 10; annotRect.right = (float)((cropBox.right + cropBox.left) / 2.0) + 10; annotRect.top = (float)((cropBox.top + cropBox.bottom) / 2.0) + 10; PdfTextAnnot annot = (PdfTextAnnot)page.CreateAnnot(PdfAnnotSubtype.kAnnotText, annotRect); page.AddAnnot(-1, annot); if (annot == null) { throw new Exception(pdfix.GetError()); } annot.SetAuthor(@"Peter Brown"); annot.SetContents(@"This is my comment."); annot.AddReply(@"Mark Fish", @"This is some reply."); page.Release(); if (!doc.Save(savePath, Pdfix.kSaveFull)) { throw new Exception(pdfix.GetError()); } doc.Close(); }
public static void Run( String openPath, // source PDF document String savePath // dest PDF document ) { Pdfix pdfix = PdfixEngine.Instance; PdfDoc doc = pdfix.OpenDoc(openPath, ""); if (doc == null) { throw new Exception(pdfix.GetError()); } // cleanup any previous structure tree if (!doc.RemoveTags(null, null)) { throw new Exception(pdfix.GetErrorType().ToString()); } // autotag document first if (!doc.AddTags(null, null)) { throw new Exception(pdfix.GetErrorType().ToString()); } // get the struct tree PdsStructTree struct_tree = doc.GetStructTree(); if (struct_tree == null) { throw new Exception(pdfix.GetErrorType().ToString()); } PdsStructElement paragraph = GetFirstParagraph(struct_tree); if (paragraph == null) { throw new Exception("No paragraph found."); } PdfRect annot_bbox = new PdfRect(); GetStructElementBBox(paragraph, ref annot_bbox); // add new link annotation to the page PdfPage page = doc.AcquirePage(0); PdfLinkAnnot annot = (PdfLinkAnnot)page.CreateAnnot(PdfAnnotSubtype.kAnnotLink, annot_bbox); page.AddAnnot(0, annot); if (annot == null) { throw new Exception(pdfix.GetErrorType().ToString()); } // re-tag the document the link annotation if (!doc.RemoveTags(null, null)) { throw new Exception(pdfix.GetErrorType().ToString()); } if (!doc.AddTags(null, null)) { throw new Exception(pdfix.GetErrorType().ToString()); } if (!doc.Save(savePath, Pdfix.kSaveFull)) { throw new Exception(pdfix.GetError()); } doc.Close(); }