public static void Run()
{
//ExStart:ExportPDFPagesToImagesAndRecognizeBarCode
// For complete examples and data files, please go to https://github.com/aspose-barcode/Aspose.BarCode-for-.NET
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_TechnicalArticles();
try
{
Document pdfDocument = new Document(dataDir + "document.pdf");
int pageCount = pdfDocument.Pages.Count;
for (var i = 1; i <= pageCount; i++)
{
var converter = new PdfConverter();
converter.BindPdf(dataDir + @"document.pdf");
converter.StartPage = i;
converter.EndPage = i;
converter.DoConvert();
MemoryStream stream = new MemoryStream();
converter.GetNextImage(stream, ImageFormat.Png);
using (BarCodeReader reader = new BarCodeReader(stream, DecodeType.Code93Standard))
{
foreach (BarCodeResult result in reader.ReadBarCodes())
{
Console.WriteLine("Codetext found: " + result.CodeType + ", Symbology: " + result.CodeText);
}
}
converter.Close();
converter.Dispose();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
//ExEnd:ExportPDFPagesToImagesAndRecognizeBarCode
Console.WriteLine(Environment.NewLine + "Export PDF Pages To Images And Recognize BarCode Finished.");
}
private OperationResult ValidatePageCounts(string pathTofile)
{
OperationResult operationResult = new OperationResult();
bool foundBarCode = false;
string currentUser = Utility.GetUserName();
int testCounter = 1;
string currentPatientID = string.Empty;
string currentTabID = string.Empty;
Aspose.Pdf.Document pdfDocument = new Aspose.Pdf.Document(pathTofile);
barCodeText = new List<ScannedDocument>();
int pageCount = pdfDocument.Pages.Count;
for (var i = 1; i <= pageCount; i++)
{
var converter = new PdfConverter();
converter.BindPdf(pathTofile);
converter.StartPage = i;
converter.EndPage = i;
converter.RenderingOptions.BarcodeOptimization = true;
converter.Resolution = new Aspose.Pdf.Devices.Resolution(300);
converter.DoConvert();
MemoryStream stream = new MemoryStream();
converter.GetNextImage(stream, ImageFormat.Png);
using (BarCodeReader reader = new BarCodeReader(stream, BarCodeReadType.Code39Standard))
{
while (reader.Read())
{
string[] barCodeDocument = reader.GetCodeText().Split('-');
ScannedDocument scannedDocument = new ScannedDocument();
scannedDocument.PatientID = barCodeDocument[0];
scannedDocument.TabID = barCodeDocument[1];
scannedDocument.CurrentPageNumber = int.Parse(barCodeDocument[2]);
scannedDocument.PageCount = int.Parse(barCodeDocument[3]);
scannedDocument.Text = reader.GetCodeText();
scannedDocument.FullPath = pathTofile;
scannedDocument.User = currentUser;
barCodeText.Add(scannedDocument);
foundBarCode = true;
}
}
converter.Close();
converter.Dispose();
if (foundBarCode != true)
{
operationResult.Success = false;
operationResult.ErrorMessage = "Job Failed: Could not Read Bar Code";
return operationResult;
}
foundBarCode = false;
}
//Step 1 Check to be sure the number of pages in the document
//matches the number of pages in the bar code
int pdfPageCount = 0;
int pdfPageCountCheck = 0;
Aspose.Pdf.Document pdfDocumentPageCount = new Aspose.Pdf.Document(barCodeText[0].FullPath);
pdfPageCount = pdfDocumentPageCount.Pages.Count;
currentPatientID = barCodeText[0].PatientID;
currentTabID = barCodeText[0].TabID;
for (int i = 0; i < barCodeText.Count; i++)
{
try
{
if (int.Parse(barCodeText[i].PatientID) < 1)
{
operationResult.Success = false;
operationResult.ErrorMessage = "Patient ID Invalid";
return operationResult;
}
}
catch
{
operationResult.Success = false;
operationResult.ErrorMessage = "Patient ID Invalid";
return operationResult;
}
try
{
if (int.Parse(barCodeText[i].TabID) < 1)
{
operationResult.Success = false;
operationResult.ErrorMessage = "Tab ID Invalid";
return operationResult;
}
}
catch
{
operationResult.Success = false;
operationResult.ErrorMessage = "Tab ID Invalid";
return operationResult;
}
if (testCounter == barCodeText[i].CurrentPageNumber && barCodeText[i].PageCount == barCodeText[i].CurrentPageNumber && barCodeText[i].PatientID == currentPatientID && barCodeText[i].TabID == currentTabID)
{
//string[] barCodePageCount = barCodeText[i].Text.Split('-');
pdfPageCountCheck = pdfPageCountCheck + barCodeText[i].PageCount;
testCounter = 1;
if (barCodeText[i].PageCount == barCodeText[i].CurrentPageNumber)
{
try
{
currentPatientID = barCodeText[i + 1].PatientID;
currentTabID = barCodeText[i + 1].TabID;
}
catch { }
}
}
else
{
if (testCounter == barCodeText[i].CurrentPageNumber && barCodeText[i].PatientID == currentPatientID && barCodeText[i].TabID == currentTabID)
{
testCounter++;
}
else
{
operationResult.Success = false;
operationResult.ErrorMessage = "Job Failed: Documents out of Order";
return operationResult;
}
}
}
if (pageCount != pdfPageCountCheck)
{
operationResult.Success = false;
operationResult.ErrorMessage = "Job Failed: Documents out of Order";
return operationResult;
}
operationResult.Success = true;
operationResult.ErrorMessage = "Job Confirmed";
return operationResult;
}
