vtkSMPMergePoints.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkSMPMergePoints.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 vtkSMPMergePoints_h
#define vtkSMPMergePoints_h
 
#include "vtkFiltersSMPModule.h" // For export macro
#include "vtkIdList.h"           // For inline functions
#include "vtkMergePoints.h"
#include "vtkType.h" // For vtkIdType
 
#include <atomic> // for std::atomic
 
class vtkPointData;
 
class VTKFILTERSSMP_EXPORT vtkSMPMergePoints : public vtkMergePoints
{
public:
  vtkTypeMacro(vtkSMPMergePoints, vtkMergePoints);
  static vtkSMPMergePoints* New();
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void InitializeMerge();
 
  void Merge(vtkSMPMergePoints* locator, vtkIdType idx, vtkPointData* outPd, vtkPointData* inPd,
    vtkIdList* idList);
 
  void FixSizeOfPointArray();
 
  vtkIdType GetMaxId() { return this->AtomicInsertionId - 1; }
 
 
  vtkIdType GetNumberOfIdsInBucket(vtkIdType idx)
  {
    if (!this->HashTable)
    {
      return 0;
    }
    vtkIdList* bucket = this->HashTable[idx];
    return bucket ? bucket->GetNumberOfIds() : 0;
  }
 
  vtkIdType GetNumberOfBuckets() override { return this->NumberOfBuckets; }
 
protected:
  vtkSMPMergePoints();
  ~vtkSMPMergePoints() override;
 
  std::atomic<vtkIdType> AtomicInsertionId;
 
private:
  vtkSMPMergePoints(const vtkSMPMergePoints&) = delete;
  void operator=(const vtkSMPMergePoints&) = delete;
};
 
#endif // vtkSMPMergePoints_h