RunParallelPipesOnDemand(AutoFormsParallelRunItemGetterRasterImage,object,AutoFormsParallelRunResultRasterImageCallback,int) Method

Summary

Runs the AutoFormsEngine on demand for RasterImage instances.

Syntax

C++/CLI

Python

public void RunParallelPipesOnDemand( 
   AutoFormsParallelRunItemGetterRasterImage imagesGetter, 
   object getterUserData, 
   AutoFormsParallelRunResultRasterImageCallback callback, 
   int pipesCount 
)

public:  
   void RunParallelPipesOnDemand( 
      AutoFormsParallelRunItemGetterRasterImage^ imagesGetter, 
      Object^ getterUserData, 
      AutoFormsParallelRunResultRasterImageCallback^ callback, 
      Int32 pipesCount 
   )

def RunParallelPipesOnDemand(self,imagesGetter,getterUserData,callback,pipesCount):

Parameters

imagesGetter

Callback to get the RasterImage instance.

getterUserData

Optional object to be passed to the getter.

callback

Callback for each input image after processing.

pipesCount

Number of parallel threads used to consume the input data.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Forms.Common; 
using Leadtools.Forms.Auto; 
using Leadtools.Document; 
using Leadtools.Ocr; 
using Leadtools.Forms.Recognition; 
using Leadtools.Forms.Processing; 
using Leadtools.Barcode; 
 
using Leadtools.Forms; 
 
public void ResultCallbackImage3(RasterImage image, AutoFormsRunResult result, int itemIndex, object label) 
{ 
   if (result == null) 
   { 
      Console.WriteLine($"ERROR!!!: Failed to process {label}: [{itemIndex}]"); 
   } 
   else 
   { 
      Console.WriteLine($"Successfully processed {label}: [{itemIndex}]"); 
      foreach (FormPage page in result.FormFields) 
      { 
         foreach (FormField field in page) 
         { 
            Console.WriteLine($"Process for the field {field.Name} is {field.Result.Status} "); 
         } 
      } 
   } 
} 
 
public void ProcessFormsMultiProcessOnDemandImages(AutoFormsEngine autoEngine, List<string> fileNames, List<string> repositoryNames) 
{ 
   int nextItemIndex = -1; 
   RasterCodecs codecs = new RasterCodecs(); 
 
   AutoFormsParallelRunItemGetterRasterImage getter = (ref RasterImage image, ref object itemUserData, ref string repositoryName, object getterUserData) => 
   { 
      int index = Interlocked.Increment(ref nextItemIndex); 
 
      if (index >= fileNames.Count) 
         return; 
 
      lock (codecs) 
      { 
         image = codecs.Load(fileNames[index]); 
      } 
      repositoryName = repositoryNames == null ? null : repositoryNames[index]; 
   }; 
 
   autoEngine.RunParallelPipesOnDemand( 
      getter, 
      null, 
      ResultCallbackImage3, 
      8 
   ); 
 
   codecs.Dispose(); 
}

Requirements

Target Platforms