vtkContourLineInterpolator.h

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

  Program:   Visualization Toolkit
  Module:    vtkContourLineInterpolator.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 vtkContourLineInterpolator_h
#define vtkContourLineInterpolator_h

#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkObject.h"

class vtkRenderer;
class vtkContourRepresentation;
class vtkIntArray;

class VTKINTERACTIONWIDGETS_EXPORT vtkContourLineInterpolator : public vtkObject
{
public:

  vtkTypeMacro(vtkContourLineInterpolator,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  virtual int InterpolateLine( vtkRenderer *ren,
                               vtkContourRepresentation *rep,
                               int idx1, int idx2 ) = 0;

  virtual int UpdateNode( vtkRenderer *,
                          vtkContourRepresentation *,
                          double * vtkNotUsed(node), int vtkNotUsed(idx) );

  virtual void GetSpan( int nodeIndex, vtkIntArray *nodeIndices,
                        vtkContourRepresentation *rep );

 protected:
  vtkContourLineInterpolator();
  ~vtkContourLineInterpolator() override;

private:
  vtkContourLineInterpolator(const vtkContourLineInterpolator&) = delete;
  void operator=(const vtkContourLineInterpolator&) = delete;
};

#endif