vtkMaskPointsFilter.h

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

  Program:   Visualization Toolkit
  Module:    vtkMaskPointsFilter.h

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See LICENSE file 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 vtkMaskPointsFilter_h
#define vtkMaskPointsFilter_h

#include "vtkFiltersPointsModule.h" // For export macro
#include "vtkPointCloudFilter.h"

class vtkImageData;
class vtkPointSet;


class VTKFILTERSPOINTS_EXPORT vtkMaskPointsFilter : public vtkPointCloudFilter
{
public:

  static vtkMaskPointsFilter *New();
  vtkTypeMacro(vtkMaskPointsFilter,vtkPointCloudFilter);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetMaskData(vtkDataObject *source);
  vtkDataObject *GetMask();

  void SetMaskConnection(vtkAlgorithmOutput* algOutput);


  vtkSetMacro(EmptyValue,unsigned char);
  vtkGetMacro(EmptyValue,unsigned char);

protected:
  vtkMaskPointsFilter();
  ~vtkMaskPointsFilter() override;

  unsigned char EmptyValue; // what value indicates a voxel is empty

  // All derived classes must implement this method. Note that a side effect of
  // the class is to populate the PointMap. Zero is returned if there is a failure.
  int FilterPoints(vtkPointSet *input) override;

  // Support second input
  int FillInputPortInformation(int port, vtkInformation *info) override;
  int RequestData(vtkInformation *, vtkInformationVector **,
    vtkInformationVector *) override;
  int RequestInformation(vtkInformation *, vtkInformationVector **,
    vtkInformationVector *) override;
  int RequestUpdateExtent(vtkInformation *, vtkInformationVector **,
    vtkInformationVector *) override;
  vtkImageData *Mask; //just a placeholder during execution

private:
  vtkMaskPointsFilter(const vtkMaskPointsFilter&) = delete;
  void operator=(const vtkMaskPointsFilter&) = delete;

};

#endif