VTK  9.1.0
vtkOpenGLPropItem.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkOpenGLPropItem.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=========================================================================*/
15
27#ifndef vtkOpenGLPropItem_h
28#define vtkOpenGLPropItem_h
29
30#include "vtkNew.h" // for vtkNew
31#include "vtkPropItem.h"
32#include "vtkRenderingContextOpenGL2Module.h" // For export macro
33
34class vtkCamera;
35
36class VTKRENDERINGCONTEXTOPENGL2_EXPORT vtkOpenGLPropItem : public vtkPropItem
37{
38public:
41 void PrintSelf(ostream& os, vtkIndent indent) override;
42
43 bool Paint(vtkContext2D* painter) override;
44
45protected:
48
49 // Sync the active vtkCamera with the GL state set by the painter.
50 void UpdateTransforms() override;
51
52 // Restore the vtkCamera state.
53 void ResetTransforms() override;
54
55private:
56 vtkNew<vtkCamera> CameraCache;
57 vtkContext2D* Painter;
58
59 vtkOpenGLPropItem(const vtkOpenGLPropItem&) = delete;
60 void operator=(const vtkOpenGLPropItem&) = delete;
61};
62
63#endif // vtkOpenGLPropItem_h
a virtual camera for 3D rendering
Definition: vtkCamera.h:155
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:73
a simple class to control print indentation
Definition: vtkIndent.h:113
Allocate and hold a VTK object.
Definition: vtkNew.h:165
Sync Context2D state with vtk camera.
static vtkOpenGLPropItem * New()
void UpdateTransforms() override
bool Paint(vtkContext2D *painter) override
Paint event for the item, called whenever the item needs to be drawn.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void ResetTransforms() override
~vtkOpenGLPropItem() override
Embed a vtkProp in a vtkContextScene.
Definition: vtkPropItem.h:35