vtkPolygonalSurfaceContourLineInterpolator.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkPolygonalSurfaceContourLineInterpolator_h
#define vtkPolygonalSurfaceContourLineInterpolator_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkPolyDataContourLineInterpolator.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkDijkstraGraphGeodesicPath;
class vtkIdList;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkPolygonalSurfaceContourLineInterpolator
  : public vtkPolyDataContourLineInterpolator
{
public:
 
  vtkTypeMacro(vtkPolygonalSurfaceContourLineInterpolator, vtkPolyDataContourLineInterpolator);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkPolygonalSurfaceContourLineInterpolator* New();
 
  int InterpolateLine(vtkRenderer* ren, vtkContourRepresentation* rep, int idx1, int idx2) override;
 
  int UpdateNode(vtkRenderer*, vtkContourRepresentation*, double* vtkNotUsed(node),
    int vtkNotUsed(idx)) override;
 
 
  vtkSetMacro(DistanceOffset, double);
  vtkGetMacro(DistanceOffset, double);
 
  void GetContourPointIds(vtkContourRepresentation* rep, vtkIdList* ids);
 
protected:
  vtkPolygonalSurfaceContourLineInterpolator();
  ~vtkPolygonalSurfaceContourLineInterpolator() override;
 
  double DistanceOffset;
 
private:
  vtkPolygonalSurfaceContourLineInterpolator(
    const vtkPolygonalSurfaceContourLineInterpolator&) = delete;
  void operator=(const vtkPolygonalSurfaceContourLineInterpolator&) = delete;
 
  // Cache the last used vertex id's (start and end).
  // If they are the same, don't recompute.
  vtkIdType LastInterpolatedVertexIds[2];
 
  vtkDijkstraGraphGeodesicPath* DijkstraGraphGeodesicPath;
};
 
VTK_ABI_NAMESPACE_END
#endif