vtkInterpolatingSubdivisionFilter.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkInterpolatingSubdivisionFilter_h
#define vtkInterpolatingSubdivisionFilter_h
 
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkSubdivisionFilter.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkCellArray;
class vtkCellData;
class vtkIdList;
class vtkIntArray;
class vtkPointData;
class vtkPoints;
class vtkPolyData;
 
class VTKFILTERSGENERAL_EXPORT vtkInterpolatingSubdivisionFilter : public vtkSubdivisionFilter
{
public:
  vtkTypeMacro(vtkInterpolatingSubdivisionFilter, vtkSubdivisionFilter);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
protected:
  vtkInterpolatingSubdivisionFilter();
  ~vtkInterpolatingSubdivisionFilter() override = default;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  virtual int GenerateSubdivisionPoints(
    vtkPolyData* inputDS, vtkIntArray* edgeData, vtkPoints* outputPts, vtkPointData* outputPD) = 0;
  void GenerateSubdivisionCells(
    vtkPolyData* inputDS, vtkIntArray* edgeData, vtkCellArray* outputPolys, vtkCellData* outputCD);
  int FindEdge(vtkPolyData* mesh, vtkIdType cellId, vtkIdType p1, vtkIdType p2,
    vtkIntArray* edgeData, vtkIdList* cellIds);
  vtkIdType InterpolatePosition(
    vtkPoints* inputPts, vtkPoints* outputPts, vtkIdList* stencil, double* weights);
 
private:
  vtkInterpolatingSubdivisionFilter(const vtkInterpolatingSubdivisionFilter&) = delete;
  void operator=(const vtkInterpolatingSubdivisionFilter&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif