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

  static vtkColorTransferControlPointsItem* New();

  void SetColorTransferFunction(vtkColorTransferFunction* function);

  vtkGetObjectMacro(ColorTransferFunction, vtkColorTransferFunction);

  vtkIdType GetNumberOfPoints()const override;

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

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

  vtkIdType AddPoint(double* newPos) override;

  vtkIdType RemovePoint(double* pos) override;


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

protected:
  vtkColorTransferControlPointsItem();
  ~vtkColorTransferControlPointsItem() override;

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

  vtkMTimeType GetControlPointsMTime() override;

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

  void ComputeBounds(double* bounds) override;

  vtkColorTransferFunction* ColorTransferFunction;

  bool ColorFill;
private:
  vtkColorTransferControlPointsItem(const vtkColorTransferControlPointsItem &) = delete;
  void operator=(const vtkColorTransferControlPointsItem &) = delete;
};

#endif