vtkBackgroundColorMonitor.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkBackgroundColorMonitor_h
#define vtkBackgroundColorMonitor_h
 
#include "vtkObject.h"
#include "vtkRenderingCoreModule.h" // for export macro
 
VTK_ABI_NAMESPACE_BEGIN
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];
 
  vtkBackgroundColorMonitor(const vtkBackgroundColorMonitor&) = delete;
  void operator=(const vtkBackgroundColorMonitor&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif