vtkCameraActor.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkCameraActor_h
#define vtkCameraActor_h
 
#include "vtkProp3D.h"
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkWrappingHints.h"       // For VTK_MARSHALAUTO
 
VTK_ABI_NAMESPACE_BEGIN
class vtkCamera;
class vtkFrustumSource;
class vtkPolyDataMapper;
class vtkActor;
class vtkProperty;
 
class VTKRENDERINGCORE_EXPORT VTK_MARSHALAUTO vtkCameraActor : public vtkProp3D
{
public:
  static vtkCameraActor* New();
  vtkTypeMacro(vtkCameraActor, vtkProp3D);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetCamera(vtkCamera* camera);
  vtkGetObjectMacro(Camera, vtkCamera);


  vtkSetMacro(WidthByHeightRatio, double);
  vtkGetMacro(WidthByHeightRatio, double);

  int RenderOpaqueGeometry(vtkViewport* viewport) override;

  vtkTypeBool HasTranslucentPolygonalGeometry() override;

  void ReleaseGraphicsResources(vtkWindow*) override;

  double* GetBounds() override;

  vtkMTimeType GetMTime() override;

  vtkProperty* GetProperty();

  void SetProperty(vtkProperty* p);
 
protected:
  vtkCameraActor();
  ~vtkCameraActor() override;
 
  void UpdateViewProps();
 
  vtkCamera* Camera;
  double WidthByHeightRatio;
 
  vtkFrustumSource* FrustumSource;
  vtkPolyDataMapper* FrustumMapper;
  vtkActor* FrustumActor;
 
private:
  vtkCameraActor(const vtkCameraActor&) = delete;
  void operator=(const vtkCameraActor&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif