vtkProgrammableAttributeDataFilter.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkProgrammableAttributeDataFilter.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkProgrammableAttributeDataFilter_h
#define vtkProgrammableAttributeDataFilter_h

#include "vtkFiltersProgrammableModule.h" // For export macro
#include "vtkDataSetAlgorithm.h"

class vtkDataSetCollection;

class VTKFILTERSPROGRAMMABLE_EXPORT vtkProgrammableAttributeDataFilter : public vtkDataSetAlgorithm
{
public:
  static vtkProgrammableAttributeDataFilter *New();
  vtkTypeMacro(vtkProgrammableAttributeDataFilter,vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void AddInput(vtkDataSet *in);

  void RemoveInput(vtkDataSet *in);

  vtkDataSetCollection *GetInputList() {return this->InputList;};

  typedef void (*ProgrammableMethodCallbackType)(void *arg);

  void SetExecuteMethod(void (*f)(void *), void *arg);

  void SetExecuteMethodArgDelete(void (*f)(void *));

protected:
  vtkProgrammableAttributeDataFilter();
  ~vtkProgrammableAttributeDataFilter() override;

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
  vtkDataSetCollection *InputList; //list of datasets to process
  ProgrammableMethodCallbackType ExecuteMethod; //function to invoke
  ProgrammableMethodCallbackType ExecuteMethodArgDelete;
  void *ExecuteMethodArg;

  void ReportReferences(vtkGarbageCollector*) override;

private:
  // hide the superclass' AddInput() from the user and the compiler
  void AddInput(vtkDataObject *)
    { vtkErrorMacro( << "AddInput() must be called with a vtkDataSet not a vtkDataObject."); };

private:
  vtkProgrammableAttributeDataFilter(const vtkProgrammableAttributeDataFilter&) = delete;
  void operator=(const vtkProgrammableAttributeDataFilter&) = delete;
};

#endif