vtkOpenGLVolumeTransferFunction2D.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkOpenGLVolumeTransferFunction2D_h
#define vtkOpenGLVolumeTransferFunction2D_h
 
#include "vtkImageResize.h" // for vtkImageResize
#include "vtkOpenGLVolumeLookupTable.h"
#include "vtkRenderingVolumeOpenGL2Module.h" // For export macro
 
#include "vtkNew.h" // for vtkNew
 
// Forward declarations
VTK_ABI_NAMESPACE_BEGIN
class vtkOpenGLRenderWindow;
 
class VTKRENDERINGVOLUMEOPENGL2_EXPORT vtkOpenGLVolumeTransferFunction2D
  : public vtkOpenGLVolumeLookupTable
{
public:
  vtkTypeMacro(vtkOpenGLVolumeTransferFunction2D, vtkOpenGLVolumeLookupTable);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkOpenGLVolumeTransferFunction2D* New();
 
protected:
  vtkOpenGLVolumeTransferFunction2D();
 
  void InternalUpdate(vtkObject* func, int blendMode, double sampleDistance, double unitDistance,
    int filterValue) override;
 
  bool NeedsUpdate(
    vtkObject* func, double scalarRange[2], int blendMode, double sampleDistance) override;
 
  void AllocateTable() override;
 
  vtkNew<vtkImageResize> ResizeFilter;
 
private:
  vtkOpenGLVolumeTransferFunction2D(const vtkOpenGLVolumeTransferFunction2D&) = delete;
  void operator=(const vtkOpenGLVolumeTransferFunction2D&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkOpenGLTransferFunction2D_h