[SerializableAttribute()]
[FlagsAttribute()]
public enum OcrCreateDocumentOptions
typedef NS_ENUM(NSInteger, LTOcrCreateDocumentOptions)
public enum OcrCreateDocumentOptions
[FlagsAttribute()]
[SerializableAttribute()]
public enum class OcrCreateDocumentOptions
class OcrCreateDocumentOptions(Enum):
None = 0
InMemory = 1
AutoDeleteFile = 2
LoadExisting = 4
Value | Member | Description |
---|---|---|
0x00000000 | None | Create a File-Based document. The document file name is used. |
0x00000001 | InMemory | Create a Memory-Based document. The document file name is not used. |
0x00000002 | AutoDeleteFile | Automatically delete the document file when the document is disposed. Not available if InMemory is specified. |
0x00000004 | LoadExisting | Load document from the file specified. Not available if InMemory is specified. |
For more information, refer to IOcrDocumentManager and Programming with the LEADTOOLS .NET OCR.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Ocr;
using Leadtools.Document.Writer;
public void StartupEngineExample()
{
// Use RasterCodecs to load an image file
// Note: You can let the engine load the image file directly as shown in the other examples
RasterCodecs codecs = new RasterCodecs();
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Ocr1.tif"));
// Assume you copied the engine runtime files to C:\MyApp\Ocr
string engineDir = @"C:\MyApp\Ocr";
// Store the engine work directory into a path inside our application
string workDir = @"C:\MyApp\OcrTemp";
// Delete all files in the work directory in case the previous version of our application exited abnormally and
// the engine did not get the chance to clean all of its temporary files (if any)
Directory.Delete(workDir, true);
// Re-create the work directory
Directory.CreateDirectory(workDir);
// Create an instance of the engine
using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD))
{
// Show that the engine has not been started yet
Console.WriteLine("Before calling Startup, IsStarted = " + ocrEngine.IsStarted);
// Start the engine using our parameters
// Since we already have a RasterCodecs object, we can re-use it to save memory and resources
ocrEngine.Startup(codecs, null, workDir, engineDir);
// Make sure the engine is using our working directory
Console.WriteLine("workDir passed is {0}, the value of WorkDirectory after Startup is {1}", workDir, ocrEngine.WorkDirectory);
// Show that the engine has started fine
Console.WriteLine("After calling Startup, EngineType is {0}, IsStarted = {1}", ocrEngine.EngineType, ocrEngine.IsStarted);
// Maks sure the engine is using our own version of RasterCodecs
Debug.Assert(codecs == ocrEngine.RasterCodecsInstance);
// Create a page from the raster image as page to the document
IOcrPage ocrPage = ocrEngine.CreatePage(image, OcrImageSharingMode.AutoDispose);
// image belongs to the page and will be dispose when the page is disposed
// Recognize the page
// Note, Recognize can be called without calling AutoZone or manually adding zones. The engine will
// check and automatically auto-zones the page
ocrPage.Recognize(null);
// Create a file based document
using (IOcrDocument ocrDocument = ocrEngine.DocumentManager.CreateDocument(null, OcrCreateDocumentOptions.AutoDeleteFile))
{
// Add the page
ocrDocument.Pages.Add(ocrPage);
// No need for the page anymore
ocrPage.Dispose();
// Save the document we have as PDF
string pdfFileName = Path.Combine(LEAD_VARS.ImagesDir, "Ocr1.pdf");
ocrDocument.Save(pdfFileName, DocumentFormat.Pdf, null);
}
// Shutdown the engine
// Note: calling Dispose will also automatically shutdown the engine if it has been started
ocrEngine.Shutdown();
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.junit.*;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import static org.junit.Assert.assertTrue;
import leadtools.*;
import leadtools.codecs.*;
import leadtools.document.writer.*;
import leadtools.ocr.*;
public void IOcrStartupEngineExample() throws IOException {
final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images";
final String OCR_LEAD_RUNTIME_DIR = "C:\\LEADTOOLS23\\Bin\\Common\\OcrLEADRuntime";
// Use RasterCodecs to load an image file
// Note: You can let the engine load the image file directly as shown in the
// other examples
RasterCodecs codecs = new RasterCodecs();
RasterImage image = codecs.load(combine(LEAD_VARS_IMAGES_DIR, "Ocr1.tif"));
// Store the engine work directory into a path inside our application
String workDir = "C:\\LEADTOOLS23\\Bin\\Common";
// Delete all files in the work directory in case the previous version of our
// application exited abnormally and
// the engine did not get the chance to clean all of its temporary files (if
// any)
File directory = new File(workDir);
directory.delete();
// Re-create the work directory
directory.createNewFile();
// Create an instance of the engine
OcrEngine ocrEngine = OcrEngineManager.createEngine(OcrEngineType.LEAD);
// Show that the engine has not been started yet
System.out.println("Before calling Startup, IsStarted = " + ocrEngine.isStarted());
// Start the engine using our parameters
// Since we already have a RasterCodecs object, we can re-use it to save memory
// and resources
ocrEngine.startup(codecs, null, workDir, OCR_LEAD_RUNTIME_DIR);
assertTrue(ocrEngine.isStarted());
// Make sure the engine is using our working directory
System.out.printf("workDir passed is %s, the value of WorkDirectory after Startup is %s%n", workDir,
ocrEngine.getWorkDirectory());
assertTrue("Work directory was not changed", workDir.equals(ocrEngine.getWorkDirectory()));
// Show that the engine has started fine
System.out.printf("After calling Startup, EngineType is %s, IsStarted = %s%n", ocrEngine.getEngineType(),
ocrEngine.isStarted());
// Maks sure the engine is using our own version of RasterCodecs
assertTrue("Engine is using incorrect RasterCodecs", codecs == ocrEngine.getRasterCodecsInstance());
// Create a page from the raster image as page to the document
OcrPage ocrPage = ocrEngine.createPage(image, OcrImageSharingMode.AUTO_DISPOSE);
// image belongs to the page and will be dispose when the page is disposed
// Recognize the page
// Note, Recognize can be called without calling AutoZone or manually adding
// zones. The engine will
// check and automatically auto-zones the page
ocrPage.recognize(null);
// Create a file based document
OcrDocument ocrDocument = ocrEngine.getDocumentManager().createDocument(null,
OcrCreateDocumentOptions.AUTO_DELETE_FILE.getValue());
// Add the page
ocrDocument.getPages().add(ocrPage);
// No need for the page anymore
ocrPage.dispose();
// Save the document we have as PDF
String pdfFileName = combine(LEAD_VARS_IMAGES_DIR, "Ocr1.pdf");
ocrDocument.save(pdfFileName, DocumentFormat.PDF, null);
// Shutdown the engine
// Note: calling Dispose will also automatically shutdown the engine if it has
// been started
ocrEngine.shutdown();
}
Help Collections
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