vtkTerrainContourLineInterpolator.h

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

  Program:   Visualization Toolkit
  Module:    vtkTerrainContourLineInterpolator.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 vtkTerrainContourLineInterpolator_h
#define vtkTerrainContourLineInterpolator_h

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

class vtkImageData;
class vtkProjectedTerrainPath;

class VTKINTERACTIONWIDGETS_EXPORT vtkTerrainContourLineInterpolator
                       : public vtkContourLineInterpolator
{
public:
  static vtkTerrainContourLineInterpolator *New();


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

  int InterpolateLine( vtkRenderer *ren,
                               vtkContourRepresentation *rep,
                               int idx1, int idx2 ) override;

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


  virtual void SetImageData(vtkImageData *);
  vtkGetObjectMacro(ImageData, vtkImageData);


  vtkGetObjectMacro(Projector, vtkProjectedTerrainPath);

protected:
  vtkTerrainContourLineInterpolator();
  ~vtkTerrainContourLineInterpolator() override;

  vtkImageData              *ImageData; // height field data
  vtkProjectedTerrainPath   *Projector;

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

#endif