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/*=========================================================================
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.
=========================================================================*/
// .NAME vtkCameraActor - a frustum to represent a camera.
// .SECTION Description
// vtkCameraActor is an actor used to represent a camera by its wireframe
// frustum.
// .SECTION See Also
// vtkLight vtkConeSource vtkFrustumSource vtkCameraActor
#ifndef vtkCameraActor_h
#define vtkCameraActor_h
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkProp3D.h"
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);
// Description:
// The camera to represent. Initial value is NULL.
void SetCamera(vtkCamera *camera);
vtkGetObjectMacro(Camera, vtkCamera);
// Description:
// Ratio between the width and the height of the frustum. Initial value is
// 1.0 (square)
vtkSetMacro(WidthByHeightRatio, double);
vtkGetMacro(WidthByHeightRatio, double);
// Description:
// Support the standard render methods.
virtual int RenderOpaqueGeometry(vtkViewport *viewport);
// Description:
// Does this prop have some translucent polygonal geometry? No.
virtual int HasTranslucentPolygonalGeometry();
// Description:
// 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 *);
// Description:
// Get the bounds for this Actor as (Xmin,Xmax,Ymin,Ymax,Zmin,Zmax).
double *GetBounds();
// Description:
// Get the actors mtime plus consider its properties and texture if set.
unsigned long int GetMTime();
// Description:
// Get property of the internal actor.
vtkProperty *GetProperty();
// Description:
// Set property of the internal actor.
void SetProperty(vtkProperty *p);
protected:
vtkCameraActor();
~vtkCameraActor();
void UpdateViewProps();
vtkCamera *Camera;
double WidthByHeightRatio;
vtkFrustumSource *FrustumSource;
vtkPolyDataMapper *FrustumMapper;
vtkActor *FrustumActor;
private:
vtkCameraActor(const vtkCameraActor&); // Not implemented.
void operator=(const vtkCameraActor&); // Not implemented.
};
#endif
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