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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkImageLogarithmicScale
* @brief Passes each pixel through log function.
*
* vtkImageLogarithmicScale passes each pixel through the function
* c*log(1+x). It also handles negative values with the function
* -c*log(1-x).
*/
#ifndef vtkImageLogarithmicScale_h
#define vtkImageLogarithmicScale_h
#include "vtkImagingMathModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
VTK_ABI_NAMESPACE_BEGIN
class VTKIMAGINGMATH_EXPORT vtkImageLogarithmicScale : public vtkThreadedImageAlgorithm
{
public:
static vtkImageLogarithmicScale* New();
vtkTypeMacro(vtkImageLogarithmicScale, vtkThreadedImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* Set/Get the scale factor for the logarithmic function.
*/
vtkSetMacro(Constant, double);
vtkGetMacro(Constant, double);
///@}
protected:
vtkImageLogarithmicScale();
~vtkImageLogarithmicScale() override = default;
double Constant;
void ThreadedExecute(vtkImageData* inData, vtkImageData* outData, int outExt[6], int id) override;
private:
vtkImageLogarithmicScale(const vtkImageLogarithmicScale&) = delete;
void operator=(const vtkImageLogarithmicScale&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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