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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkOpenGLImageGradient
* @brief Compute Gradient using the GPU
*/
#ifndef vtkOpenGLImageGradient_h
#define vtkOpenGLImageGradient_h
#include "vtkImageGradient.h"
#include "vtkImagingOpenGL2Module.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class vtkOpenGLImageAlgorithmHelper;
class vtkRenderWindow;
class VTKIMAGINGOPENGL2_EXPORT vtkOpenGLImageGradient : public vtkImageGradient
{
public:
static vtkOpenGLImageGradient* New();
vtkTypeMacro(vtkOpenGLImageGradient, vtkImageGradient);
/**
* Set the render window to get the OpenGL resources from
*/
void SetRenderWindow(vtkRenderWindow*);
protected:
void PrintSelf(ostream& os, vtkIndent indent) override;
vtkOpenGLImageGradient();
~vtkOpenGLImageGradient() override;
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;
};
VTK_ABI_NAMESPACE_END
#endif
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