vtkMagnifierWidget.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkMagnifierWidget.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 vtkMagnifierWidget_h
#define vtkMagnifierWidget_h
 
#include "vtkAbstractWidget.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
 
class vtkMagnifierRepresentation;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkMagnifierWidget : public vtkAbstractWidget
{
public:
  static vtkMagnifierWidget* New();
 
 
  vtkTypeMacro(vtkMagnifierWidget, vtkAbstractWidget);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void SetRepresentation(vtkMagnifierRepresentation* r)
  {
    this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
  }
 
  vtkMagnifierRepresentation* GetMagnifierRepresentation()
  {
    return reinterpret_cast<vtkMagnifierRepresentation*>(this->WidgetRep);
  }
 
  void CreateDefaultRepresentation() override;
 
  void SetEnabled(int enabling) override;
 
 
  vtkSetMacro(KeyPressIncreaseValue, char);
  vtkGetMacro(KeyPressIncreaseValue, char);
  vtkSetMacro(KeyPressDecreaseValue, char);
  vtkGetMacro(KeyPressDecreaseValue, char);
 
protected:
  vtkMagnifierWidget();
  ~vtkMagnifierWidget() override;
 
  // Keypresses to change value
  char KeyPressIncreaseValue;
  char KeyPressDecreaseValue;
 
  // process the registered events
  static void MoveAction(vtkAbstractWidget*);
  static void CharAction(vtkAbstractWidget*);
 
  int WidgetState;
  enum _WidgetState
  {
    Invisible = 0,
    Visible
  };
 
private:
  vtkMagnifierWidget(const vtkMagnifierWidget&) = delete;
  void operator=(const vtkMagnifierWidget&) = delete;
};
 
#endif