vtkPiecewiseControlPointsItem.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPiecewiseControlPointsItem.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 vtkPiecewiseControlPointsItem_h
#define vtkPiecewiseControlPointsItem_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkControlPointsItem.h"
 
class vtkPiecewiseFunction;
 
class VTKCHARTSCORE_EXPORT vtkPiecewiseControlPointsItem : public vtkControlPointsItem
{
public:
  vtkTypeMacro(vtkPiecewiseControlPointsItem, vtkControlPointsItem);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkPiecewiseControlPointsItem* New();
 
  virtual void SetPiecewiseFunction(vtkPiecewiseFunction* function);
 
  vtkGetObjectMacro(PiecewiseFunction, vtkPiecewiseFunction);
 
  vtkIdType AddPoint(double* newPos) override;
 
  vtkIdType RemovePoint(double* pos) override;
 
protected:
  vtkPiecewiseControlPointsItem();
  ~vtkPiecewiseControlPointsItem() override;
 
  void emitEvent(unsigned long event, void* params = nullptr) override;
 
  vtkMTimeType GetControlPointsMTime() override;
 
  vtkIdType GetNumberOfPoints() const override;
  void GetControlPoint(vtkIdType index, double* point) const override;
  void SetControlPoint(vtkIdType index, double* point) override;
  void EditPoint(float tX, float tY) override;
 
  vtkPiecewiseFunction* PiecewiseFunction;
 
private:
  vtkPiecewiseControlPointsItem(const vtkPiecewiseControlPointsItem&) = delete;
  void operator=(const vtkPiecewiseControlPointsItem&) = delete;
};
 
#endif