PreprocessPageCommands Property

 
import java.io.File; 
import java.io.FileNotFoundException; 
import java.io.FileWriter; 
import java.io.FilenameFilter; 
import java.io.IOException; 
import java.nio.file.Files; 
import java.nio.file.Path; 
import java.nio.file.Paths; 
import java.util.ArrayList; 
import java.util.concurrent.ExecutorService; 
import java.util.concurrent.Executors; 
import java.util.concurrent.atomic.AtomicInteger; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.document.writer.*; 
import leadtools.internal.AutoResetEvent; 
import leadtools.ocr.*; 
 
 
public void OcrAutoRecognizeManagerExample() throws IOException { 
 
   final String LEAD_VARS_ImagesDir = "C:\\LEADTOOLS23\\Resources\\Images"; 
   final String LEAD_VARS_OcrLEADRuntimeDir = "C:\\LEADTOOLS23\\Bin\\Common\\OcrLEADRuntime"; 
   System.out.println("Preparing the source and destination directories..."); 
 
   String srcDir = LEAD_VARS_ImagesDir; 
   String destDir = combine(LEAD_VARS_ImagesDir, "AutoRecognizeManagerExample"); 
 
   // Prepare the output directory 
   Path destPath = Paths.get(destDir); 
   Files.createDirectories(destPath); 
 
   // OCR some images from the source directory into the destination directory: 
   ArrayList<String> imageFiles = new ArrayList<String>(); 
 
   for (int i = 1; i <= 4; i++) { 
      imageFiles.add(combine(srcDir, "Ocr" + i + ".tif")); 
   } 
 
   System.out.println("Creating an instance of the engine..."); 
 
   // Create an instance of the engine 
   OcrEngine ocrEngine = OcrEngineManager.createEngine(OcrEngineType.LEAD); 
 
   // Start the engine using default parameters 
   System.out.println("Starting up the engine..."); 
   ocrEngine.startup(null, null, null, LEAD_VARS_OcrLEADRuntimeDir); 
 
   OcrAutoRecognizeManager ocrAutoRecognizeManager = ocrEngine.getAutoRecognizeManager(); 
 
   // Use maximum CPUs/cores of current machine to speed up recognition 
   // Either passing 0 or System.Environment.ProcessorCount 
   ocrAutoRecognizeManager.setMaximumThreadsPerJob(0); 
 
   // Deskew and auto-orient all pages before recognition 
   ocrAutoRecognizeManager.getPreprocessPageCommands().clear(); 
   ocrAutoRecognizeManager.getPreprocessPageCommands().add(OcrAutoPreprocessPageCommand.DESKEW); 
   ocrAutoRecognizeManager.getPreprocessPageCommands().add(OcrAutoPreprocessPageCommand.ROTATE); 
 
   // Create PDFs with Image/Text option 
   PdfDocumentOptions pdfOptions = (PdfDocumentOptions) ocrEngine.getDocumentWriterInstance().getOptions(DocumentFormat.PDF); 
   pdfOptions.setImageOverText(true); 
   ocrEngine.getDocumentWriterInstance().setOptions(DocumentFormat.PDF, pdfOptions); 
 
   // Loop through all the TIF files in the source directory, convert to PDF in the 
   // destination directory 
   for (String imageFile : imageFiles) { 
      // Construct the name of the document file 
      String documentFileName = combine( 
         destDir, 
         imageFile.substring(imageFile.length()-8, imageFile.indexOf(".")) 
      ); 
      documentFileName = (documentFileName + ".pdf"); 
 
      // OCR the file 
      System.out.println("Processing " + imageFile); 
      ocrAutoRecognizeManager.run(imageFile, documentFileName, DocumentFormat.PDF, null); 
      assertTrue("file unsuccessfully saved", (new File(documentFileName)).exists()); 
      System.out.println("Saved: " + documentFileName); 
   } 
   ocrEngine.dispose();; 
}