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();
}
