vtkColorTransferControlPointsItem.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkColorTransferControlPointsItem.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 vtkColorTransferControlPointsItem_h
#define vtkColorTransferControlPointsItem_h

#include "vtkChartsCoreModule.h" // For export macro
#include "vtkControlPointsItem.h"

class vtkColorTransferFunction;

class VTKCHARTSCORE_EXPORT vtkColorTransferControlPointsItem: public vtkControlPointsItem
{
public:
  vtkTypeMacro(vtkColorTransferControlPointsItem, vtkControlPointsItem);
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  static vtkColorTransferControlPointsItem* New();

  void SetColorTransferFunction(vtkColorTransferFunction* function);

  vtkGetObjectMacro(ColorTransferFunction, vtkColorTransferFunction);

  virtual vtkIdType GetNumberOfPoints()const;

  virtual void GetControlPoint(vtkIdType index, double *point)const;

  virtual void SetControlPoint(vtkIdType index, double *point);

  virtual vtkIdType AddPoint(double* newPos);

  virtual vtkIdType RemovePoint(double* pos);


  vtkSetMacro(ColorFill, bool);
  vtkGetMacro(ColorFill, bool);

protected:
  vtkColorTransferControlPointsItem();
  virtual ~vtkColorTransferControlPointsItem();

  virtual bool UsingLogScale();

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

  virtual unsigned long int GetControlPointsMTime();

  virtual void DrawPoint(vtkContext2D* painter, vtkIdType index);
  virtual void EditPoint(float tX, float tY);

  virtual void ComputeBounds(double* bounds);

  vtkColorTransferFunction* ColorTransferFunction;

  bool ColorFill;
private:
  vtkColorTransferControlPointsItem(const vtkColorTransferControlPointsItem &); // Not implemented.
  void operator=(const vtkColorTransferControlPointsItem &);   // Not implemented.
};

#endif