vtkBackgroundColorMonitor.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkBackgroundColorMonitor
 
  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 vtkBackgroundColorMonitor_h
#define vtkBackgroundColorMonitor_h
 
#include "vtkObject.h"
#include "vtkRenderingCoreModule.h" // for export macro
 
class vtkRenderer;
 
class VTKRENDERINGCORE_EXPORT vtkBackgroundColorMonitor : public vtkObject
{
public:
  static vtkBackgroundColorMonitor* New();
  vtkTypeMacro(vtkBackgroundColorMonitor, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  bool StateChanged(vtkRenderer* ren);
 
  void Update(vtkRenderer* ren);
 
protected:
  vtkBackgroundColorMonitor();
  ~vtkBackgroundColorMonitor() override = default;
 
private:
  unsigned int UpTime;
  bool Gradient;
  double Color1[3];
  double Color2[3];
 
private:
  vtkBackgroundColorMonitor(const vtkBackgroundColorMonitor&) = delete;
  void operator=(const vtkBackgroundColorMonitor&) = delete;
};
 
#endif