VTK  9.3.20240328
vtkOpenGLImageMapper.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
18 #ifndef vtkOpenGLImageMapper_h
19 #define vtkOpenGLImageMapper_h
20 
21 #include "vtkImageMapper.h"
22 #include "vtkRenderingOpenGL2Module.h" // For export macro
23 
24 VTK_ABI_NAMESPACE_BEGIN
25 class vtkActor2D;
26 class vtkTexturedActor2D;
27 
28 class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLImageMapper : public vtkImageMapper
29 {
30 public:
33  void PrintSelf(ostream& os, vtkIndent indent) override;
34 
38  void RenderOverlay(vtkViewport* viewport, vtkActor2D* actor) override
39  {
40  this->RenderStart(viewport, actor);
41  }
42 
47  void RenderData(vtkViewport* viewport, vtkImageData* data, vtkActor2D* actor) override;
48 
53  void DrawPixels(vtkViewport* viewport, int width, int height, int numComponents, void* data);
54 
60 
61 protected:
64 
66 
67 private:
69  void operator=(const vtkOpenGLImageMapper&) = delete;
70 };
71 
72 VTK_ABI_NAMESPACE_END
73 #endif
a actor that draws 2D data
Definition: vtkActor2D.h:144
topologically and geometrically regular array of data
Definition: vtkImageData.h:155
2D image display
void RenderStart(vtkViewport *viewport, vtkActor2D *actor)
Draw the image to the screen.
a simple class to control print indentation
Definition: vtkIndent.h:108
2D image display support for OpenGL
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkOpenGLImageMapper() override
vtkTexturedActor2D * Actor
void RenderData(vtkViewport *viewport, vtkImageData *data, vtkActor2D *actor) override
Called by the Render function in vtkImageMapper.
void DrawPixels(vtkViewport *viewport, int width, int height, int numComponents, void *data)
draw the data once it has been converted to uchar, windowed leveled used internally by the templated ...
void ReleaseGraphicsResources(vtkWindow *) override
Release any graphics resources that are being consumed by this mapper, the image texture in particula...
void RenderOverlay(vtkViewport *viewport, vtkActor2D *actor) override
Handle the render method.
static vtkOpenGLImageMapper * New()
actor that draws 2D data with texture support
abstract specification for Viewports
Definition: vtkViewport.h:64
window superclass for vtkRenderWindow
Definition: vtkWindow.h:47
@ height
Definition: vtkX3D.h:254
@ data
Definition: vtkX3D.h:315