VTK  9.2.6
vtkFollower.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkFollower.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
35#ifndef vtkFollower_h
36#define vtkFollower_h
37
38#include "vtkActor.h"
39#include "vtkRenderingCoreModule.h" // For export macro
40
41class vtkCamera;
42
43class VTKRENDERINGCORE_EXPORT vtkFollower : public vtkActor
44{
45public:
46 vtkTypeMacro(vtkFollower, vtkActor);
47 void PrintSelf(ostream& os, vtkIndent indent) override;
48
52 static vtkFollower* New();
53
55
59 virtual void SetCamera(vtkCamera*);
60 vtkGetObjectMacro(Camera, vtkCamera);
62
64
69 int RenderOpaqueGeometry(vtkViewport* viewport) override;
71 virtual void Render(vtkRenderer* ren);
73
78
83 void ComputeMatrix() override;
84
88 void ShallowCopy(vtkProp* prop) override;
89
90protected:
92 ~vtkFollower() override;
93
96
97 // Internal matrices to avoid New/Delete for performance reasons
99
100private:
101 vtkFollower(const vtkFollower&) = delete;
102 void operator=(const vtkFollower&) = delete;
103
104 // hide the two parameter Render() method from the user and the compiler.
105 void Render(vtkRenderer*, vtkMapper*) override {}
106};
107
108#endif
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:52
virtual void Render(vtkRenderer *, vtkMapper *)
This causes the actor to be rendered.
Definition: vtkActor.h:93
a virtual camera for 3D rendering
Definition: vtkCamera.h:52
a subclass of actor that always faces the camera
Definition: vtkFollower.h:44
static vtkFollower * New()
Creates a follower with no camera set.
int RenderTranslucentPolygonalGeometry(vtkViewport *viewport) override
This causes the actor to be rendered.
void ComputeMatrix() override
Generate the matrix based on ivars.
int RenderOpaqueGeometry(vtkViewport *viewport) override
This causes the actor to be rendered.
vtkActor * Device
Definition: vtkFollower.h:95
void ReleaseGraphicsResources(vtkWindow *) override
Release any graphics resources associated with this vtkProp3DFollower.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkFollower() override
virtual void Render(vtkRenderer *ren)
This causes the actor to be rendered.
vtkCamera * Camera
Definition: vtkFollower.h:94
virtual void SetCamera(vtkCamera *)
Set/Get the camera to follow.
vtkMatrix4x4 * InternalMatrix
Definition: vtkFollower.h:98
void ShallowCopy(vtkProp *prop) override
Shallow copy of a follower.
a simple class to control print indentation
Definition: vtkIndent.h:40
abstract class specifies interface to map data to graphics primitives
Definition: vtkMapper.h:88
represent and manipulate 4x4 transformation matrices
Definition: vtkMatrix4x4.h:42
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:57
abstract specification for renderers
Definition: vtkRenderer.h:73
abstract specification for Viewports
Definition: vtkViewport.h:56
window superclass for vtkRenderWindow
Definition: vtkWindow.h:39