vtkCellGridSummaryInformationQuery.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkCellGridSummaryInformationQuery_h
#define vtkCellGridSummaryInformationQuery_h
 
#include "vtkCellGridQuery.h"
#include "vtkCommonDataModelModule.h" // for export macro
#include "vtkWrappingHints.h"         // For VTK_MARSHALAUTO
 
#include <array>         // For std::array
#include <limits>        // For std::numeric_limits
#include <unordered_map> // For std::unordered_map
 
VTK_ABI_NAMESPACE_BEGIN
class vtkCellAttribute;
 
class VTKCOMMONDATAMODEL_EXPORT VTK_MARSHALAUTO vtkCellGridSummaryInformationQuery
  : public vtkCellGridQuery
{
public:
  static vtkCellGridSummaryInformationQuery* New();
  vtkTypeMacro(vtkCellGridSummaryInformationQuery, vtkCellGridQuery);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  bool Initialize() override;


  vtkSetStringMacro(AttributeName)
  vtkGetStringMacro(AttributeName)

  struct SummaryInformation
  {
    std::array<int, 2> OrderRange{ std::numeric_limits<int>::max(),
      std::numeric_limits<int>::min() };

    vtkIdType DOFCount{ 0 };
  };

  const std::unordered_map<vtkCellAttribute*, SummaryInformation>& GetSummaryInformationMap() const
  {
    return this->SummaryInformationMap;
  }

  const SummaryInformation& GetSummaryInformation(vtkCellAttribute* att) const;

  void AddSummaryInformation(vtkCellAttribute* att, const SummaryInformation& summaryInformation);
 
  // -----------------------------------------------------------------------
  // Polynomial order range
  // -----------------------------------------------------------------------

  void GetOrderRange(vtkCellAttribute*, int* range) const VTK_SIZEHINT(2);
  const std::array<int, 2>& GetOrderRange(vtkCellAttribute*) const;
 
  // -----------------------------------------------------------------------
  // Degrees of freedom
  // -----------------------------------------------------------------------

  vtkIdType GetNumberOfDOF(vtkCellAttribute* att) const;
 
protected:
  vtkCellGridSummaryInformationQuery() = default;
  ~vtkCellGridSummaryInformationQuery() override;
 
private:
  vtkCellGridSummaryInformationQuery(const vtkCellGridSummaryInformationQuery&) = delete;
  void operator=(const vtkCellGridSummaryInformationQuery&) = delete;
 
  std::unordered_map<vtkCellAttribute*, SummaryInformation> SummaryInformationMap;
 
  char* AttributeName = nullptr;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkCellGridSummaryInformationQuery_h