Syntax

Visual Basic (Declaration)
Overloads Public Function ProcessPage( _ ByVal stream As Stream, _ ByVal pageNumber As Integer, _ ByVal formResult As AutoFormsRecognizeFormResult, _ ByVal formPageNumber As Integer _ ) As FormPage

Visual Basic (Declaration)

Overloads Public Function ProcessPage( _
   ByVal stream As Stream, _
   ByVal pageNumber As Integer, _
   ByVal formResult As AutoFormsRecognizeFormResult, _
   ByVal formPageNumber As Integer _
) As FormPage

Visual Basic (Usage) Copy Code

Visual Basic (Usage)	Copy Code
`Dim instance As AutoFormsEngine Dim stream As Stream Dim pageNumber As Integer Dim formResult As AutoFormsRecognizeFormResult Dim formPageNumber As Integer Dim value As FormPage value = instance.ProcessPage(stream, pageNumber, formResult, formPageNumber)`

Dim instance As AutoFormsEngine
Dim stream As Stream
Dim pageNumber As Integer
Dim formResult As AutoFormsRecognizeFormResult
Dim formPageNumber As Integer
Dim value As FormPage
 
value = instance.ProcessPage(stream, pageNumber, formResult, formPageNumber)

C#
public FormPage ProcessPage( Stream stream, int pageNumber, AutoFormsRecognizeFormResult formResult, int formPageNumber )

C++/CLI
public: FormPage ProcessPage( Stream^ stream, int pageNumber, AutoFormsRecognizeFormResult^ formResult, int formPageNumber )

Parameters

stream: A Stream containing the the recognized page image data.
pageNumber: 1-based index of the in stream.
formResult: The recognition result of the form that is returned by RecognizeForm.
formPageNumber: The form page number to be processed.

Return Value

The processed fields of the the page if they exist, otherwise it returns null.

Example

Visual Basic Copy Code

Visual Basic	Copy Code
Public Sub AutoPageRecognitionAndProcessing3Stream() RasterCodecs.Startup() Dim root As String = LeadtoolsExamples.Common.ImagesPath.Path + "Forms\FormsDemo\OCR_Test" Dim codecs_Renamed As RasterCodecs = New RasterCodecs() Dim repository As DiskMasterFormsRepository = New DiskMasterFormsRepository(codecs_Renamed, root) Using ocrEngine As IOcrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Plus, False) ocrEngine.Startup(Nothing, Nothing, Nothing, Nothing) BarcodeEngine.Startup(BarcodeMajorTypeFlags.Barcodes1d Or BarcodeMajorTypeFlags.Barcodes2dRead Or BarcodeMajorTypeFlags.BarcodesDatamatrixRead Or BarcodeMajorTypeFlags.BarcodesPdfRead Or BarcodeMajorTypeFlags.BarcodesQrRead) Dim engineBarcode As BarcodeEngine = New BarcodeEngine() Dim autoEngine As AutoFormsEngine = New AutoFormsEngine(repository, ocrEngine, engineBarcode) autoEngine.MinimumConfidenceRecognized = autoEngine.GetMinimumRecognizedConfidencePage() Dim fs As FileStream = File.OpenRead(LeadtoolsExamples.Common.ImagesPath.Path + "Forms\Images\FCC-107_OCR_Filled.tif") Dim result As AutoFormsRecognizeFormResult = autoEngine.RecognizeForm(fs, Nothing) If result Is Nothing Then Return End If ' process the first page only Dim pageFields As FormPage = autoEngine.ProcessPage(fs, 1, result, 1) End Using RasterCodecs.Shutdown() End Sub

Public Sub AutoPageRecognitionAndProcessing3Stream()

   RasterCodecs.Startup()

   Dim root As String = LeadtoolsExamples.Common.ImagesPath.Path + "Forms\FormsDemo\OCR_Test"



   Dim codecs_Renamed As RasterCodecs = New RasterCodecs()



   Dim repository As DiskMasterFormsRepository = New DiskMasterFormsRepository(codecs_Renamed, root)



   Using ocrEngine As IOcrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Plus, False)

      ocrEngine.Startup(Nothing, Nothing, Nothing, Nothing)



      BarcodeEngine.Startup(BarcodeMajorTypeFlags.Barcodes1d Or BarcodeMajorTypeFlags.Barcodes2dRead Or BarcodeMajorTypeFlags.BarcodesDatamatrixRead Or BarcodeMajorTypeFlags.BarcodesPdfRead Or BarcodeMajorTypeFlags.BarcodesQrRead)

      Dim engineBarcode As BarcodeEngine = New BarcodeEngine()



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

      autoEngine.MinimumConfidenceRecognized = autoEngine.GetMinimumRecognizedConfidencePage()



      Dim fs As FileStream = File.OpenRead(LeadtoolsExamples.Common.ImagesPath.Path + "Forms\Images\FCC-107_OCR_Filled.tif")



      Dim result As AutoFormsRecognizeFormResult = autoEngine.RecognizeForm(fs, Nothing)

      If result Is Nothing Then

         Return

      End If

      ' process the first page only

      Dim pageFields As FormPage = autoEngine.ProcessPage(fs, 1, result, 1)

   End Using

   RasterCodecs.Shutdown()

End Sub

C# Copy Code

C#	Copy Code
public void AutoPageRecognitionAndProcessing3Stream() { RasterCodecs.Startup(); string root = LeadtoolsExamples.Common.ImagesPath.Path +@"Forms\FormsDemo\OCR_Test"; RasterCodecs codecs = new RasterCodecs(); DiskMasterFormsRepository repository = new DiskMasterFormsRepository(codecs, root); using(IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Plus, false)) { ocrEngine.Startup(null, null, null, null); BarcodeEngine.Startup(BarcodeMajorTypeFlags.Barcodes1d \| BarcodeMajorTypeFlags.Barcodes2dRead \| BarcodeMajorTypeFlags.BarcodesDatamatrixRead \| BarcodeMajorTypeFlags.BarcodesPdfRead \| BarcodeMajorTypeFlags.BarcodesQrRead); BarcodeEngine barcodeEngine = new BarcodeEngine(); AutoFormsEngine autoEngine = new AutoFormsEngine(repository, ocrEngine, barcodeEngine); autoEngine.MinimumConfidenceRecognized = autoEngine.GetMinimumRecognizedConfidencePage(); FileStream fs = File.OpenRead(LeadtoolsExamples.Common.ImagesPath.Path +@"Forms\Images\FCC-107_OCR_Filled.tif"); AutoFormsRecognizeFormResult result = autoEngine.RecognizeForm(fs, null); if(result == null) return; // process the first page only FormPage pageFields = autoEngine.ProcessPage(fs, 1, result, 1); } RasterCodecs.Shutdown(); }

public void AutoPageRecognitionAndProcessing3Stream() 
{ 
   RasterCodecs.Startup(); 
 
   string root = LeadtoolsExamples.Common.ImagesPath.Path +@"Forms\FormsDemo\OCR_Test"; 
   RasterCodecs codecs = new RasterCodecs(); 
 
   DiskMasterFormsRepository repository = new DiskMasterFormsRepository(codecs, root); 
 
   using(IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Plus, false)) 
   { 
      ocrEngine.Startup(null, null, null, null); 
 
      BarcodeEngine.Startup(BarcodeMajorTypeFlags.Barcodes1d | BarcodeMajorTypeFlags.Barcodes2dRead | BarcodeMajorTypeFlags.BarcodesDatamatrixRead | BarcodeMajorTypeFlags.BarcodesPdfRead | BarcodeMajorTypeFlags.BarcodesQrRead); 
      BarcodeEngine barcodeEngine = new BarcodeEngine(); 
 
      AutoFormsEngine autoEngine = new AutoFormsEngine(repository, ocrEngine, barcodeEngine); 
      autoEngine.MinimumConfidenceRecognized = autoEngine.GetMinimumRecognizedConfidencePage(); 
 
      FileStream fs = File.OpenRead(LeadtoolsExamples.Common.ImagesPath.Path +@"Forms\Images\FCC-107_OCR_Filled.tif"); 
 
      AutoFormsRecognizeFormResult result = autoEngine.RecognizeForm(fs, null); 
      if(result == null) 
         return; 
      // process the first page only 
      FormPage pageFields = autoEngine.ProcessPage(fs, 1, result, 1); 
   } 
   RasterCodecs.Shutdown(); 
}

Remarks

If the specified page does not have processing fields, it returns null.

The alignment to the page is calculated internally from the formResult.

The stream must have all form pages.

Requirements

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family

Leadtools.Forms.Auto	Requires Document/Medical product license \| Send comments on this topic. \| Back to Introduction - All Topics \| Help Version 16.5.9.25
ProcessPage(Stream,Int32,AutoFormsRecognizeFormResult,Int32) Method
See Also Example