DocumentRedactionOptions Class

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Document.Writer; 
 
using Leadtools.Document; 
using Leadtools.Caching; 
using Leadtools.Annotations.Engine; 
using Leadtools.Ocr; 
using Leadtools.Barcode; 
using Leadtools.Document.Converter; 
 
public void DocumentRedactionExample() 
{ 
   // AnnotationsRedactionOptions redactionOptions = new AnnotationsRedactionOptions(); 
   var cache = new FileCache(); 
   cache.CacheDirectory = @"c:\cache-dir"; 
 
   using (var documentConverter = new DocumentConverter()) 
   { 
 
      // Load a PDF filed 
      var loadDocumentOptions = new LoadDocumentOptions(); 
      loadDocumentOptions.Cache = cache; 
      using (LEADDocument document = DocumentFactory.LoadFromUri(new Uri("http://demo.leadtools.com/images/pdf/leadtools.pdf"), loadDocumentOptions)) 
      { 
         // Convert to PDF using default options 
         string outFileName = Path.Combine(LEAD_VARS.ImagesDir, "no-redaction.pdf"); 
         DocumentRedactConvert(documentConverter, document, DocumentFormat.Pdf, outFileName); 
 
         // Open the converted document no-redaction.pdf, notice that it resembles the original document 
 
         // We will use DocumentPageText to dynamically find the location of all words containing "leadtools" 
 
         document.IsReadOnly = false; 
         const string toRedact = "leadtools"; 
         DocumentPage documentPage = document.Pages[0]; 
         DocumentPageText pageText = documentPage.GetText(); 
         pageText.BuildWords(); 
 
         AnnContainer container = documentPage.GetAnnotations(true); 
         foreach (DocumentWord word in pageText.Words) 
         { 
            // Find if the word is ours 
            if (word.Value.Contains(toRedact)) 
            { 
               // Yes, redact it 
               var annRedactionObject = new AnnRedactionObject(); 
               annRedactionObject.Rect = word.Bounds; 
               container.Children.Add(annRedactionObject); 
            } 
         } 
 
         // Set the container into the page 
         documentPage.SetAnnotations(container); 
 
         // Set the redaction options 
         // AnnotationRedactionOptions & ConvertRedactionOptions reference 
         document.Annotations.RedactionOptions = new DocumentRedactionOptions(); 
         // ViewRedactionOptions & AnnotationsRedactionOptions reference 
         document.Annotations.RedactionOptions.ViewOptions.Mode = DocumentRedactionMode.Apply; 
         document.Annotations.RedactionOptions.ViewOptions.ReplaceCharacter = '*'; 
         document.Annotations.RedactionOptions.ConvertOptions.Mode = DocumentRedactionMode.Apply; 
         document.Annotations.RedactionOptions.ConvertOptions.ReplaceCharacter = '*'; 
 
         document.IsReadOnly = true; 
 
         // Convert again, the result should have all instance of "leadtools" in the first page and replaced with * 
         outFileName = Path.Combine(LEAD_VARS.ImagesDir, "redacted.pdf"); 
         DocumentRedactConvert(documentConverter, document, DocumentFormat.Pdf, outFileName); 
      } 
   } 
} 
 
private static void DocumentRedactConvert(DocumentConverter documentConverter, LEADDocument document, DocumentFormat documentFormat, string outFileName) 
{ 
   var jobData = new DocumentConverterJobData(); 
   jobData.Document = document; 
   jobData.DocumentFormat = documentFormat; 
   jobData.RasterImageFormat = RasterImageFormat.Unknown; 
   jobData.OutputDocumentFileName = outFileName; 
 
   DocumentConverterJob job = documentConverter.Jobs.CreateJob(jobData); 
   documentConverter.Jobs.RunJob(job); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}