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C++

/*=========================================================================
Program: Visualization Toolkit
Module: vtkCameraActor.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.
=========================================================================*/
/**
* @class vtkCameraActor
* @brief a frustum to represent a camera.
*
* vtkCameraActor is an actor used to represent a camera by its wireframe
* frustum.
*
* @sa
* vtkLight vtkConeSource vtkFrustumSource vtkCameraActor
*/
#ifndef vtkCameraActor_h
#define vtkCameraActor_h
#include "vtkProp3D.h"
#include "vtkRenderingCoreModule.h" // For export macro
class vtkCamera;
class vtkFrustumSource;
class vtkPolyDataMapper;
class vtkActor;
class vtkProperty;
class VTKRENDERINGCORE_EXPORT vtkCameraActor : public vtkProp3D
{
public:
static vtkCameraActor* New();
vtkTypeMacro(vtkCameraActor, vtkProp3D);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* The camera to represent. Initial value is NULL.
*/
void SetCamera(vtkCamera* camera);
vtkGetObjectMacro(Camera, vtkCamera);
//@}
//@{
/**
* Ratio between the width and the height of the frustum. Initial value is
* 1.0 (square)
*/
vtkSetMacro(WidthByHeightRatio, double);
vtkGetMacro(WidthByHeightRatio, double);
//@}
/**
* Support the standard render methods.
*/
int RenderOpaqueGeometry(vtkViewport* viewport) override;
/**
* Does this prop have some translucent polygonal geometry? No.
*/
vtkTypeBool HasTranslucentPolygonalGeometry() override;
/**
* Release any graphics resources that are being consumed by this actor.
* The parameter window could be used to determine which graphic
* resources to release.
*/
void ReleaseGraphicsResources(vtkWindow*) override;
/**
* Get the bounds for this Actor as (Xmin,Xmax,Ymin,Ymax,Zmin,Zmax).
*/
double* GetBounds() override;
/**
* Get the actors mtime plus consider its properties and texture if set.
*/
vtkMTimeType GetMTime() override;
/**
* Get property of the internal actor.
*/
vtkProperty* GetProperty();
/**
* Set property of the internal actor.
*/
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;
};
#endif