vtkPVTransferFunction2DBox.h

Go to the documentation of this file.

// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkPVTransferFunction2DBox_h
#define vtkPVTransferFunction2DBox_h

// VTK includes
#include <vtkObject.h>

#include "vtkRemotingViewsModule.h" // needed for export macro

#include <vtkRect.h> // needed for ivar

// Forward declarations
class vtkImageData;

class VTKREMOTINGVIEWS_EXPORT vtkPVTransferFunction2DBox : public vtkObject
{
public:
  static vtkPVTransferFunction2DBox* New();


  vtkTypeMacro(vtkPVTransferFunction2DBox, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  virtual const vtkRectd& GetBox();


  virtual void SetBox(double x, double y, double width, double height);
  virtual void SetBox(const vtkRectd& b);


  vtkSetVector4Macro(Color, double);
  vtkGetVector4Macro(Color, double);

  virtual vtkImageData* GetTexture();


  vtkSetVector2Macro(TextureSize, int);
  vtkGetVector2Macro(TextureSize, int);


  vtkSetMacro(GaussianSigmaFactor, double);
  vtkGetMacro(GaussianSigmaFactor, double);

protected:
  vtkPVTransferFunction2DBox();
  ~vtkPVTransferFunction2DBox() override;

  // Helper members
  vtkRectd Box;
  double Color[4] = { 1, 1, 1, 1 };
  int TextureSize[2] = { 128, 128 };
  double GaussianSigmaFactor = 30.0;

  vtkImageData* Texture = nullptr;

  virtual void ComputeTexture();

private:
  vtkPVTransferFunction2DBox(const vtkPVTransferFunction2DBox&) = delete;
  void operator=(const vtkPVTransferFunction2DBox) = delete;
};

#endif // vtkPVTransferFunction2DBox_h