public static void Run() { // ExStart:RecognizeBarcodeFromPDFDocuments // For complete examples and data files, please go to https://github.com/aspose-barcode/Aspose.BarCode-for-.NET try { // The path to the documents directory. string dataDir = RunExamples.GetDataDir_TechnicalArticles(); // Bind the pdf document Pdf.Facades.PdfExtractor pdfExtractor = new Pdf.Facades.PdfExtractor(); pdfExtractor.BindPdf(dataDir + @"document.pdf"); // Set page range for image extraction pdfExtractor.StartPage = 1; pdfExtractor.EndPage = 1; // Extract the images Console.WriteLine("Extracting images...."); pdfExtractor.ExtractImage(); // Save images to stream in a loop while (pdfExtractor.HasNextImage()) { Console.WriteLine("Getting next image...."); // Save image to stream MemoryStream imageStream = new MemoryStream(); pdfExtractor.GetNextImage(imageStream); imageStream.Position = 0; Console.WriteLine("Recognizing barcode...."); // Recognize the barcode from the image stream above using (BarCodeReader reader = new BarCodeReader(imageStream, DecodeType.Code39Standard)) { foreach (BarCodeResult result in reader.ReadBarCodes()) { Console.WriteLine("Codetext found: " + result.CodeType + ", Symbology: " + result.CodeText); } } } } catch (Exception ex) { Console.WriteLine(ex.Message); } // ExEnd:RecognizeBarcodeFromPDFDocuments Console.WriteLine(Environment.NewLine + "Recognize BarCode From PDF Documents Finished."); }
private void ParseDocument(DocumentInfo documentInfo, string zipOutFolder) { var doc = new Document(documentInfo.FileName); // Extract text var pdfExtractor = new Pdf.Facades.PdfExtractor(doc); pdfExtractor.ExtractText(); pdfExtractor.GetText(zipOutFolder + "\\" + Path.GetFileNameWithoutExtension(documentInfo.FileName) + ".txt"); // Extract images pdfExtractor.ExtractImage(); System.IO.Directory.CreateDirectory(zipOutFolder + "\\images\\"); var imageFileNameTemplate = System.IO.Path.GetFileNameWithoutExtension(documentInfo.FileName); var imageCounter = 0; while (pdfExtractor.HasNextImage()) { var imageFileName = zipOutFolder + "\\images\\" + imageFileNameTemplate + (++imageCounter).ToString("D8") + ".png"; pdfExtractor.GetNextImage(imageFileName, System.Drawing.Imaging.ImageFormat.Png); } // Extract attachments pdfExtractor.ExtractAttachment(); System.IO.Directory.CreateDirectory(zipOutFolder + "\\attachments\\"); pdfExtractor.GetAttachment(string.Format("{0}\\attachments", zipOutFolder)); // Extract Annotations var pdfAnnotationEditor = new Pdf.Facades.PdfAnnotationEditor(doc); var annotType = new[] { AnnotationType.FreeText, AnnotationType.Highlight, AnnotationType.Ink }; var stream = System.IO.File.OpenWrite(string.Format("{0}\\annotation.xdf", zipOutFolder)); pdfAnnotationEditor.ExportAnnotationsXfdf(stream, 1, doc.Pages.Count, annotType); stream.Close(); // Export bookmarks var bookmarkEditor = new Pdf.Facades.PdfBookmarkEditor(doc); bookmarkEditor.ExportBookmarksToXML(string.Format("{0}\\bookmarks.xml", zipOutFolder)); // Export form data var form = new Aspose.Pdf.Facades.Form(doc); stream = System.IO.File.OpenWrite(string.Format("{0}\\formdata.xdf", zipOutFolder)); form.ExportFdf(stream); stream.Close(); }