DocumentManager Property (original) (raw)
Summary
Allows you to create new OCR documents that are used to create final documents such as PDF or Microsoft Word from the recognition results.
Syntax
C#
Objective-C
C++/CLI
Java
Python
@property (nonatomic, strong, readonly) LTOcrDocumentManager *documentManager public OcrDocumentManager getDocumentManager() Property Value
The instance of the IOcrDocumentManager object that allow you to create final documents such as PDF or Microsoft Word from the recognition results.
Example
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Ocr;
using Leadtools.Forms.Common;
using Leadtools.Document.Writer;
using Leadtools.WinForms;
public void OcrDocumentManagerExample()
{
string tifFileName1 = Path.Combine(LEAD_VARS.ImagesDir, "Ocr1.tif");
string tifFileName2 = Path.Combine(LEAD_VARS.ImagesDir, "Ocr2.tif");
string outputDirectory = Path.Combine(LEAD_VARS.ImagesDir, "OutputDirectory");
// Create the output directory
if (Directory.Exists(outputDirectory))
Directory.Delete(outputDirectory, true);
Directory.CreateDirectory(outputDirectory);
// Create an instance of the engine
using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD))
{
// Start the engine using default parameters
Console.WriteLine("Starting up the engine...");
ocrEngine.Startup(null, null, null, LEAD_VARS.OcrLEADRuntimeDir);
// Create the OCR document
Console.WriteLine("Creating the OCR document...");
IOcrDocumentManager ocrDocumentManager = ocrEngine.DocumentManager;
using (IOcrDocument ocrDocument = ocrDocumentManager.CreateDocument())
{
// Add the pages to the document
Console.WriteLine("Adding the pages...");
ocrDocument.Pages.AddPage(tifFileName1, null);
ocrDocument.Pages.AddPage(tifFileName2, null);
// Recognize the pages to this document. Note, we did not call AutoZone, it will explicitly be called by Recognize
Console.WriteLine("Recognizing all the pages...");
ocrDocument.Pages.Recognize(null);
// Save to all the formats supported by this OCR engine
Array formats = Enum.GetValues(typeof(DocumentFormat));
foreach (DocumentFormat format in formats)
{
string friendlyName = DocumentWriter.GetFormatFriendlyName(format);
Console.WriteLine("Saving (using default options) to {0}...", friendlyName);
// Construct the output file name (output_directory + document_format_name + . + extension)
string extension = DocumentWriter.GetFormatFileExtension(format);
string outputFileName = Path.Combine(outputDirectory, format.ToString() + "." + extension);
// Save the document
ocrDocument.Save(outputFileName, format, null);
// If this is the LTD format, convert it to PDF
if (format == DocumentFormat.Ltd)
{
Console.WriteLine("Converting the LTD file to PDF...");
string pdfFileName = Path.Combine(outputDirectory, format.ToString() + "_pdf.pdf");
DocumentWriter docWriter = ocrEngine.DocumentWriterInstance;
docWriter.Convert(outputFileName, pdfFileName, DocumentFormat.Pdf);
}
}
// Now save to all the engine native formats (if any) supported by the engine
string[] engineFormats = ocrDocumentManager.GetSupportedEngineFormats();
foreach (string engineFormat in engineFormats)
{
string friendlyName = ocrDocumentManager.GetEngineFormatFriendlyName(engineFormat);
Console.WriteLine("Saving to engine native format {0}...", friendlyName);
// Construct the output file name (output_directory + "engine" + engine_format_name + . + extension)
string extension = ocrDocumentManager.GetEngineFormatFileExtension(engineFormat);
string outputFileName = Path.Combine(outputDirectory, "engine_" + engineFormat + "." + extension);
// To use this format, set it in the IOcrDocumentManager.EngineFormat and do a normal save using DocumentFormat.User
// Save the document
ocrDocumentManager.EngineFormat = engineFormat;
ocrDocument.Save(outputFileName, DocumentFormat.User, null);
}
}
// Shutdown the engine
// Note: calling Dispose will also automatically shutdown the engine if it has been started
Console.WriteLine("Shutting down...");
ocrEngine.Shutdown();
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
public const string OcrLEADRuntimeDir = @"C:\LEADTOOLS22\Bin\Common\OcrLEADRuntime";
}