public interface IOcrZoneManager
@interface LTOcrZoneManager : NSObject
public class OcrZoneManager
public interface class IOcrZoneManager
class IOcrZoneManager:
You can access the instance of the IOcrZoneManager used by an IOcrEngine through the IOcrEngine.ZoneManager property.
When calling the IOcrPage.AutoZone method on a page, the generated zone's type (OcrZone.ZoneType) will always be one of the supported values as reported by the IOcrZoneManager.
Before manually changing any of the above zone properties, you must determine whether the particular value is supported by this instance of IOcrEngine by using IsZoneTypeSupported first.
To get all the supported zone types use GetSupportedZoneTypes.
This example will show the different zone types supported by the LEADTOOLS OCR Module - LEAD Engine.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Ocr;
using Leadtools.Forms.Common;
using Leadtools.Document.Writer;
using Leadtools.WinForms;
public void ZoneManagerExample()
{
// Create an instance of the engine
using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD))
{
// Start the engine using default parameters
ocrEngine.Startup(null, null, null, LEAD_VARS.OcrLEADRuntimeDir);
// Get the zone manager
IOcrZoneManager ocrZoneManager = ocrEngine.ZoneManager;
// Show all the zone types supported by this engine
Console.WriteLine("Hit enter to show the supported zone types");
//Console.ReadLine();
OcrZoneType[] zoneTypes = ocrZoneManager.GetSupportedZoneTypes();
Console.WriteLine("Supported zone types:");
Console.WriteLine("---------------------");
foreach (OcrZoneType zoneType in zoneTypes)
Console.WriteLine(" {0}", zoneType);
// 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 OcrLEADRuntimeDir = @"C:\LEADTOOLS22\Bin\Common\OcrLEADRuntime";
}
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