VTK  9.0.20210422
vtkContextActor.h
Go to the documentation of this file.
1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkContextActor.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 =========================================================================*/
24 #ifndef vtkContextActor_h
25 #define vtkContextActor_h
26 
27 #include "vtkNew.h" // For ivars
28 #include "vtkProp.h"
29 #include "vtkRenderingContext2DModule.h" // For export macro
30 #include "vtkSmartPointer.h" // For ivars
31 
32 class vtkContext2D;
33 class vtkContext3D;
34 class vtkContextDevice2D;
35 class vtkContextScene;
36 
37 class VTKRENDERINGCONTEXT2D_EXPORT vtkContextActor : public vtkProp
38 {
39 public:
40  void PrintSelf(ostream& os, vtkIndent indent) override;
41  vtkTypeMacro(vtkContextActor, vtkProp);
42 
43  static vtkContextActor* New();
44 
48  int RenderOverlay(vtkViewport* viewport) override;
49 
51 
56 
61 
65  void SetScene(vtkContextScene* scene);
66 
73  vtkGetObjectMacro(ForceDevice, vtkContextDevice2D);
81  void ReleaseGraphicsResources(vtkWindow* window) override;
82 
83 protected:
85  ~vtkContextActor() override;
86 
90  virtual void Initialize(vtkViewport* viewport);
91 
97 
98 private:
99  vtkContextActor(const vtkContextActor&) = delete;
100  void operator=(const vtkContextActor&) = delete;
101 };
102 
103 #endif
vtkContextActor::New
static vtkContextActor * New()
vtkContextActor::GetScene
vtkContextScene * GetScene()
Get the chart object for the actor.
vtkContextActor::vtkGetNewMacro
vtkGetNewMacro(Context, vtkContext2D)
Get the vtkContext2D for the actor.
vtkContextActor::vtkContextActor
vtkContextActor()
vtkContextActor::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkContextActor::Initialize
virtual void Initialize(vtkViewport *viewport)
Initialize the actor - right now we just decide which device to initialize.
vtkSmartPointer< vtkContextScene >
vtkContextActor::Scene
vtkSmartPointer< vtkContextScene > Scene
Definition: vtkContextActor.h:92
vtkContext2D
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:54
vtkContextActor::RenderOverlay
int RenderOverlay(vtkViewport *viewport) override
We only render in the overlay for the context scene.
vtkProp.h
vtkWindow
window superclass for vtkRenderWindow
Definition: vtkWindow.h:39
vtkContextActor
provides a vtkProp derived object.
Definition: vtkContextActor.h:38
vtkContextScene
Provides a 2D scene for vtkContextItem objects.
Definition: vtkContextScene.h:48
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:34
vtkSmartPointer.h
vtkContextActor::Context3D
vtkNew< vtkContext3D > Context3D
Definition: vtkContextActor.h:94
vtkNew< vtkContext2D >
vtkViewport
abstract specification for Viewports
Definition: vtkViewport.h:45
vtkContextDevice2D
Abstract class for drawing 2D primitives.
Definition: vtkContextDevice2D.h:52
vtkProp
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:57
vtkNew.h
vtkContextActor::ReleaseGraphicsResources
void ReleaseGraphicsResources(vtkWindow *window) override
Release any graphics resources that are being consumed by this actor.
vtkContextActor::SetScene
void SetScene(vtkContextScene *scene)
Set the scene for the actor.
vtkContextActor::ForceDevice
vtkContextDevice2D * ForceDevice
Definition: vtkContextActor.h:95
vtkContext3D
Class for drawing 3D primitives to a graphical context.
Definition: vtkContext3D.h:41
vtkContextActor::Initialized
bool Initialized
Definition: vtkContextActor.h:96
vtkContextActor::~vtkContextActor
~vtkContextActor() override
vtkContextActor::Context
vtkNew< vtkContext2D > Context
Definition: vtkContextActor.h:93
vtkContextActor::SetForceDevice
void SetForceDevice(vtkContextDevice2D *dev)
Force rendering to a specific device.