vtkContinuousValueWidgetRepresentation.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkContinuousValueWidgetRepresentation.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.
 
=========================================================================*/
 
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
 
#ifndef vtkContinuousValueWidgetRepresentation_h
#define vtkContinuousValueWidgetRepresentation_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkWidgetRepresentation.h"
 
class VTKINTERACTIONWIDGETS_EXPORT vtkContinuousValueWidgetRepresentation
  : public vtkWidgetRepresentation
{
public:
 
  vtkTypeMacro(vtkContinuousValueWidgetRepresentation, vtkWidgetRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  void PlaceWidget(double bounds[6]) override;
  void BuildRepresentation() override {}
  void StartWidgetInteraction(double eventPos[2]) override = 0;
  void WidgetInteraction(double eventPos[2]) override = 0;
  //  virtual void Highlight(int);
 
  // Enums are used to describe what is selected
  enum _InteractionState
  {
    Outside = 0,
    Inside,
    Adjusting
  };
 
  // Set/Get the value
  virtual void SetValue(double value);
  virtual double GetValue() { return this->Value; }
 
protected:
  vtkContinuousValueWidgetRepresentation();
  ~vtkContinuousValueWidgetRepresentation() override;
 
  double Value;
 
private:
  vtkContinuousValueWidgetRepresentation(const vtkContinuousValueWidgetRepresentation&) = delete;
  void operator=(const vtkContinuousValueWidgetRepresentation&) = delete;
};
 
#endif