vtkOpenGLImageGradient.h

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

  Program:   Visualization Toolkit
  Module:    vtkOpenGLImageGradient.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 vtkOpenGLImageGradient_h
#define vtkOpenGLImageGradient_h

#include "vtkImagingOpenGL2Module.h" // For export macro
#include "vtkImageGradient.h"

class vtkOpenGLImageAlgorithmHelper;
class vtkRenderWindow;

class VTKIMAGINGOPENGL2_EXPORT vtkOpenGLImageGradient : public vtkImageGradient
{
public:
  static vtkOpenGLImageGradient *New();
  vtkTypeMacro(vtkOpenGLImageGradient,vtkImageGradient);

  void SetRenderWindow(vtkRenderWindow *);

protected:
  void PrintSelf(ostream& os, vtkIndent indent) override;
  vtkOpenGLImageGradient();
  ~vtkOpenGLImageGradient();

  vtkOpenGLImageAlgorithmHelper *Helper;

  void ThreadedRequestData(vtkInformation *request,
                           vtkInformationVector **inputVector,
                           vtkInformationVector *outputVector,
                           vtkImageData ***inData, vtkImageData **outData,
                           int extent[6], int id) override;

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

#endif