LEADTOOLS Forms (Leadtools.Forms.Auto assembly)
LEAD Technologies, Inc

ProcessForm(Stream,FormRecognitionAttributes,FormPages) Method

Example 





A System.IO.Stream containing the the unknown form image data.
The Master Form attributes of the form type.
The fields to be processed for the Master Form of the form type.
Performs field processing on the recognized form image.
Syntax
public void ProcessForm( 
   Stream stream,
   FormRecognitionAttributes masterAttributes,
   FormPages formFields
)
'Declaration
 
Public Overloads Sub ProcessForm( _
   ByVal stream As Stream, _
   ByVal masterAttributes As FormRecognitionAttributes, _
   ByVal formFields As FormPages _
) 
'Usage
 
Dim instance As AutoFormsEngine
Dim stream As Stream
Dim masterAttributes As FormRecognitionAttributes
Dim formFields As FormPages
 
instance.ProcessForm(stream, masterAttributes, formFields)
public void ProcessForm( 
   Stream stream,
   FormRecognitionAttributes masterAttributes,
   FormPages formFields
)
 function Leadtools.Forms.Auto.AutoFormsEngine.ProcessForm(Stream,FormRecognitionAttributes,FormPages)( 
   stream ,
   masterAttributes ,
   formFields 
)
public:
void ProcessForm( 
   Stream^ stream,
   FormRecognitionAttributes^ masterAttributes,
   FormPages^ formFields
) 

Parameters

stream
A System.IO.Stream containing the the unknown form image data.
masterAttributes
The Master Form attributes of the form type.
formFields
The fields to be processed for the Master Form of the form type.
Remarks

This method processes the recognized form fields. The Master Form fields are obtained by calling IMasterForm.ReadFields of the AutoFormsRecognizeFormResult.MasterForm.

The stream should have all form pages.

This method is useful because it allows you to do the form processing later on or on another machine without the need to recreate the recognition result object

The form alignment is calculated internally, so providing the recognition results will speed the alignment calculation process.

Example
 
Public Sub AutoFormRecognitionAndProcessing1Stream()
      Dim root As String = Path.Combine(LEAD_VARS.ImagesDir, "Forms\FormsDemo\OCR_Test")

      Dim codecs_Renamed As RasterCodecs = New RasterCodecs()
      'create repository
      Dim repository As DiskMasterFormsRepository = New DiskMasterFormsRepository(codecs_Renamed, root)

      Using ocrEngine As IOcrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Plus, False)
         ocrEngine.Startup(Nothing, Nothing, Nothing, Nothing)

         Dim engineBarcode As BarcodeEngine = New BarcodeEngine()

         Dim autoEngine As AutoFormsEngine = New AutoFormsEngine(repository, ocrEngine, engineBarcode, 30, 80, True)

         Dim fs As FileStream = File.OpenRead(Path.Combine(LEAD_VARS.ImagesDir, "Forms\Images\FCC-107_OCR_Filled.tif"))


         'recognize the form
         Dim result As AutoFormsRecognizeFormResult = autoEngine.RecognizeForm(fs, Nothing)
         If result Is Nothing Then
            Return
         End If
         'get form fields
         Dim formFields As FormPages = result.MasterForm.ReadFields()
         Dim attributes As FormRecognitionAttributes = result.MasterForm.ReadAttributes()
         'process form
         autoEngine.ProcessForm(fs, attributes, formFields)
      End Using
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
public void AutoFormRecognitionAndProcessing1Stream()
   {
      string root = Path.Combine(LEAD_VARS.ImagesDir, @"Forms\FormsDemo\OCR_Test");
      RasterCodecs codecs = new RasterCodecs();
      //create repository
      DiskMasterFormsRepository repository = new DiskMasterFormsRepository(codecs, root);

      using(IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Plus, false))
      {
         ocrEngine.Startup(null, null, null, null);

         BarcodeEngine barcodeEngine = new BarcodeEngine();

         AutoFormsEngine autoEngine = new AutoFormsEngine(repository, ocrEngine, barcodeEngine, 30, 80, true);

         FileStream fs = File.OpenRead(Path.Combine(LEAD_VARS.ImagesDir, @"Forms\Images\FCC-107_OCR_Filled.tif")); 


         //recognize the form
         AutoFormsRecognizeFormResult result = autoEngine.RecognizeForm(fs, null);
         if(result == null)
            return;
         //get form fields
         FormPages formFields = result.MasterForm.ReadFields();
         FormRecognitionAttributes attributes = result.MasterForm.ReadAttributes();
         //process form
         autoEngine.ProcessForm(fs, attributes, formFields);
      }
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

AutoFormsEngine Class
AutoFormsEngine Members
Overload List

 

 


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