vtkPiecewiseFunctionItem.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkPiecewiseFunctionItem_h
#define vtkPiecewiseFunctionItem_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkScalarsToColorsItem.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkPiecewiseFunction;
class vtkImageData;
 
class VTKCHARTSCORE_EXPORT vtkPiecewiseFunctionItem : public vtkScalarsToColorsItem
{
public:
  static vtkPiecewiseFunctionItem* New();
  vtkTypeMacro(vtkPiecewiseFunctionItem, vtkScalarsToColorsItem);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void SetPiecewiseFunction(vtkPiecewiseFunction* t);
  vtkGetObjectMacro(PiecewiseFunction, vtkPiecewiseFunction);
 
protected:
  vtkPiecewiseFunctionItem();
  ~vtkPiecewiseFunctionItem() override;
 
  // Description:
  // Reimplemented to return the range of the piecewise function
  void ComputeBounds(double bounds[4]) override;
 
  // Description
  // Compute the texture from the PiecewiseFunction
  void ComputeTexture() override;
 
  vtkPiecewiseFunction* PiecewiseFunction;
 
private:
  vtkPiecewiseFunctionItem(const vtkPiecewiseFunctionItem&) = delete;
  void operator=(const vtkPiecewiseFunctionItem&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif