vtkPiecewiseFunctionItem.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPiecewiseFunctionItem.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
 
#ifndef vtkPiecewiseFunctionItem_h
#define vtkPiecewiseFunctionItem_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkScalarsToColorsItem.h"
 
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;
};
 
#endif