VTK  9.0.1
vtkOpenGLImageMapper.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkOpenGLImageMapper.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 =========================================================================*/
30 #ifndef vtkOpenGLImageMapper_h
31 #define vtkOpenGLImageMapper_h
32 
33 #include "vtkImageMapper.h"
34 #include "vtkRenderingOpenGL2Module.h" // For export macro
35 
36 class vtkActor2D;
37 class vtkTexturedActor2D;
38 
39 class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLImageMapper : public vtkImageMapper
40 {
41 public:
44  void PrintSelf(ostream& os, vtkIndent indent) override;
45 
49  void RenderOverlay(vtkViewport* viewport, vtkActor2D* actor) override
50  {
51  this->RenderStart(viewport, actor);
52  }
53 
58  void RenderData(vtkViewport* viewport, vtkImageData* data, vtkActor2D* actor) override;
59 
64  void DrawPixels(vtkViewport* vp, int width, int height, int numComponents, void* data);
65 
71 
72 protected:
75 
77 
78 private:
80  void operator=(const vtkOpenGLImageMapper&) = delete;
81 };
82 
83 #endif
a actor that draws 2D data
Definition: vtkActor2D.h:40
topologically and geometrically regular array of data
Definition: vtkImageData.h:42
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:34
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 DrawPixels(vtkViewport *vp, 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 RenderData(vtkViewport *viewport, vtkImageData *data, vtkActor2D *actor) override
Called by the Render function in vtkImageMapper.
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:45
window superclass for vtkRenderWindow
Definition: vtkWindow.h:38
@ height
Definition: vtkX3D.h:260
@ data
Definition: vtkX3D.h:321