VTK  9.0.1
vtkOpenGLImageSliceMapper.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkOpenGLImageSliceMapper.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 =========================================================================*/
26 #ifndef vtkOpenGLImageSliceMapper_h
27 #define vtkOpenGLImageSliceMapper_h
28 
29 #include "vtkImageSliceMapper.h"
30 #include "vtkRenderingOpenGL2Module.h" // For export macro
31 
32 class vtkRenderWindow;
34 class vtkActor;
35 
36 class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLImageSliceMapper : public vtkImageSliceMapper
37 {
38 public:
41  void PrintSelf(ostream& os, vtkIndent indent) override;
42 
46  void Render(vtkRenderer* ren, vtkImageSlice* prop) override;
47 
54 
55 protected:
58 
65  vtkImageData* image, int extent[6], bool recursive);
66 
72  int extent[6], bool recursive);
73 
78  void RenderPolygon(vtkActor* actor, vtkPoints* points, const int extent[6], vtkRenderer* ren);
79 
84  void RenderBackground(vtkActor* actor, vtkPoints* points, const int extent[6], vtkRenderer* ren);
85 
94  const int extent[6], int& xdim, int& ydim, int imageSize[2], int textureSize[2]) override;
95 
100  bool TextureSizeOK(const int size[2], vtkRenderer* ren);
101 
102  vtkRenderWindow* RenderWindow; // RenderWindow used for previous render
103  int TextureSize[2];
107 
111 
113 
114 private:
116  void operator=(const vtkOpenGLImageSliceMapper&) = delete;
117 };
118 
119 #endif
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:46
topologically and geometrically regular array of data
Definition: vtkImageData.h:42
image display properties
map a slice of a vtkImageData to the screen
represents an image in a 3D scene
Definition: vtkImageSlice.h:47
a simple class to control print indentation
Definition: vtkIndent.h:34
OpenGL mapper for image slice display.
~vtkOpenGLImageSliceMapper() override
void RecursiveRenderTexturedPolygon(vtkRenderer *ren, vtkImageProperty *property, vtkImageData *image, int extent[6], bool recursive)
Recursive internal method, will call the non-recursive method as many times as necessary if the textu...
void ComputeTextureSize(const int extent[6], int &xdim, int &ydim, int imageSize[2], int textureSize[2]) override
Given an extent that describes a slice (it must have unit thickness in one of the three directions),...
void RenderPolygon(vtkActor *actor, vtkPoints *points, const int extent[6], vtkRenderer *ren)
Basic polygon rendering, if the textured parameter is set the tcoords are included,...
void RenderTexturedPolygon(vtkRenderer *ren, vtkImageProperty *property, vtkImageData *image, int extent[6], bool recursive)
Non-recursive internal method, generate a single texture and its corresponding geometry.
void ReleaseGraphicsResources(vtkWindow *) override
Release any graphics resources that are being consumed by this mapper, the image texture in particula...
static vtkOpenGLImageSliceMapper * New()
bool TextureSizeOK(const int size[2], vtkRenderer *ren)
Test whether a given texture size is supported.
void RenderBackground(vtkActor *actor, vtkPoints *points, const int extent[6], vtkRenderer *ren)
Render the background, which means rendering everything within the plane of the image except for the ...
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void Render(vtkRenderer *ren, vtkImageSlice *prop) override
Implement base class method.
OpenGL rendering window.
represent and manipulate 3D points
Definition: vtkPoints.h:34
create a window for renderers to draw into
abstract specification for renderers
Definition: vtkRenderer.h:59
record modification and/or execution time
Definition: vtkTimeStamp.h:33
window superclass for vtkRenderWindow
Definition: vtkWindow.h:35
@ points
Definition: vtkX3D.h:452
@ extent
Definition: vtkX3D.h:351
@ image
Definition: vtkX3D.h:380
@ size
Definition: vtkX3D.h:259