VTK  9.3.0
vtkOpenGLPropItem.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
3
15#ifndef vtkOpenGLPropItem_h
16#define vtkOpenGLPropItem_h
17
18#include "vtkNew.h" // for vtkNew
19#include "vtkPropItem.h"
20#include "vtkRenderingContextOpenGL2Module.h" // For export macro
21
22VTK_ABI_NAMESPACE_BEGIN
23class vtkCamera;
24
25class VTKRENDERINGCONTEXTOPENGL2_EXPORT vtkOpenGLPropItem : public vtkPropItem
26{
27public:
30 void PrintSelf(ostream& os, vtkIndent indent) override;
31
32 bool Paint(vtkContext2D* painter) override;
33
34protected:
37
38 // Sync the active vtkCamera with the GL state set by the painter.
39 void UpdateTransforms() override;
40
41 // Restore the vtkCamera state.
42 void ResetTransforms() override;
43
44private:
45 vtkNew<vtkCamera> CameraCache;
46 vtkContext2D* Painter;
47
48 vtkOpenGLPropItem(const vtkOpenGLPropItem&) = delete;
49 void operator=(const vtkOpenGLPropItem&) = delete;
50};
51
52VTK_ABI_NAMESPACE_END
53#endif // vtkOpenGLPropItem_h
a virtual camera for 3D rendering
Definition vtkCamera.h:41
Class for drawing 2D primitives to a graphical context.
a simple class to control print indentation
Definition vtkIndent.h:29
Allocate and hold a VTK object.
Definition vtkNew.h:51
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:27