GetText Method

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Ocr; 
using Leadtools.Forms.Common; 
using Leadtools.WinForms; 
using Leadtools.Drawing; 
 
public void RecognizeTextExample() 
{ 
   // Get the form file name 
   Console.WriteLine("Setting up the form..."); 
   string formFileName = GetMyForm(); 
 
   // Assume we get the field information from an external source such as a database or an XML file 
   string[] fieldNames = 
   { 
      "Name", 
      "Address", 
      "SSN" 
   }; 
 
   LeadRect[] fieldBounds = 
   { 
      new LeadRect(800, 160, 1500, 220), 
      new LeadRect(800, 560, 1500, 220), 
      new LeadRect(800, 960, 1500, 220) 
   }; 
 
   int fieldCount = fieldNames.Length; 
   string[] fieldValues = new string[fieldCount]; 
 
   // Create an instance of the engine 
   using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, false)) 
   { 
      // Start the engine using default parameters 
      Console.WriteLine("Starting up the engine..."); 
      ocrEngine.Startup(null, null, null, LEAD_VARS.OcrLEADRuntimeDir); 
 
      // Create a page from the image file 
      Console.WriteLine("Creating a page..."); 
      using (IOcrPage ocrPage = ocrEngine.CreatePage(ocrEngine.RasterCodecsInstance.Load(formFileName, 1), OcrImageSharingMode.AutoDispose)) 
      { 
         // Get our fields 
         for (int i = 0; i < fieldCount; i++) 
         { 
            // Clear all the zones in the page 
            ocrPage.Zones.Clear(); 
 
            // Add our field zone 
            OcrZone ocrZone = new OcrZone(); 
            ocrZone.ZoneType = OcrZoneType.Text; 
            ocrZone.Bounds = fieldBounds[i]; 
            ocrZone.Name = fieldNames[i]; // Optional 
 
            Console.WriteLine("Adding the zone for field {0} to the page...", ocrZone.Name); 
            ocrPage.Zones.Add(ocrZone); 
 
            // Recognize the page. This will only recognize the zone we added 
            Console.WriteLine("Recognizing the page..."); 
            ocrPage.Recognize(null); 
            fieldValues[i] = ocrPage.GetText(0); 
         } 
      } 
 
      // Shutdown the engine 
      // Note: calling Dispose will also automatically shutdown the engine if it has been started 
      Console.WriteLine("Shutting down..."); 
      ocrEngine.Shutdown(); 
   } 
 
   // We are done, show the fields 
   Console.WriteLine("-------------------------------------"); 
   Console.WriteLine("Done, values extracted from the form:"); 
   Console.WriteLine("-------------------------------------"); 
   for (int i = 0; i < fieldCount; i++) 
      Console.WriteLine("{0} : {1}", fieldNames[i], fieldValues[i]); 
} 
 
private string GetMyForm() 
{ 
   string formFileName = LEAD_VARS.ImagesDir + "MyForm.tif"; 
 
   // In this example we will create the form every time 
   // This will be a TIF file 11 by 8.5 inches in size containing a name, address and social security fields 
   using (RasterImage image = new RasterImage( 
      RasterMemoryFlags.Conventional, 
      2544, 
      3294, 
      24, 
      RasterByteOrder.Bgr, 
      RasterViewPerspective.BottomLeft, 
      null, 
      IntPtr.Zero, 
      0)) 
   { 
      image.XResolution = 300; 
      image.YResolution = 300; 
 
      // Draw our fields into this image 
      IntPtr hdc = RasterImagePainter.CreateLeadDC(image); 
      try 
      { 
         using (Graphics g = Graphics.FromHdc(hdc)) 
         { 
            g.FillRectangle(Brushes.White, 0, 0, image.ImageWidth - 1, image.ImageHeight - 1); 
 
            using (Font f = new Font("Times New Roman", 80, FontStyle.Regular)) 
            { 
               using (Pen p = new Pen(Color.Black, 4)) 
               { 
                  using (StringFormat sf = new StringFormat()) 
                  { 
                     sf.LineAlignment = StringAlignment.Center; 
                     // Draw the fields 
 
                     // Name 
                     g.DrawString("Name:", f, Brushes.Black, 200, 200); 
                     Rectangle rc = new Rectangle(800, 160, 1500, 220); 
                     g.DrawRectangle(p, rc); 
                     string value = "John Doe"; 
                     g.DrawString(value, f, Brushes.Black, rc, sf); 
 
                     // Address 
                     g.DrawString("Address:", f, Brushes.Black, 200, 600); 
                     rc = new Rectangle(800, 560, 1500, 220); 
                     g.DrawRectangle(p, rc); 
                     value = "1234 Main Street, USA"; 
                     g.DrawString(value, f, Brushes.Black, rc, sf); 
 
                     // Social security number 
                     g.DrawString("SSN:", f, Brushes.Black, 200, 1000); 
                     rc = new Rectangle(800, 960, 1500, 220); 
                     g.DrawRectangle(p, rc); 
                     value = "123-45-6789"; 
                     g.DrawString(value, f, Brushes.Black, rc, sf); 
                  } 
               } 
            } 
         } 
      } 
      finally 
      { 
         RasterImagePainter.DeleteLeadDC(hdc); 
      } 
 
      // Save this image to disk 
      using (RasterCodecs codecs = new RasterCodecs()) 
      { 
         codecs.Save(image, formFileName, RasterImageFormat.CcittGroup4, 1); 
      } 
   } 
 
   return formFileName; 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
   public const string OcrLEADRuntimeDir = @"C:\LEADTOOLS 20\Bin\Common\OcrLEADRuntime"; 
}