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;


  vtkSetMacro(StrokeMode, bool);

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