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);
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  static vtkPiecewiseControlPointsItem* New();

  virtual void SetPiecewiseFunction(vtkPiecewiseFunction* function);

  vtkGetObjectMacro(PiecewiseFunction, vtkPiecewiseFunction);

  virtual vtkIdType AddPoint(double* newPos);

  virtual vtkIdType RemovePoint(double* pos);


  vtkSetMacro(StrokeMode, bool);

protected:
  vtkPiecewiseControlPointsItem();
  virtual ~vtkPiecewiseControlPointsItem();

  virtual void emitEvent(unsigned long event, void* params = 0);

  virtual vtkMTimeType GetControlPointsMTime();

  virtual vtkIdType GetNumberOfPoints()const;
  virtual void GetControlPoint(vtkIdType index, double *point)const;
  virtual void SetControlPoint(vtkIdType index, double *point);
  virtual void EditPoint(float tX, float tY);

  vtkPiecewiseFunction* PiecewiseFunction;

private:
  vtkPiecewiseControlPointsItem(const vtkPiecewiseControlPointsItem &) VTK_DELETE_FUNCTION;
  void operator=(const vtkPiecewiseControlPointsItem &) VTK_DELETE_FUNCTION;
};

#endif