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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 "vtkRenderingOpenGL2Module.h" // For export macro
30#include "vtkImageSliceMapper.h"
31
32class vtkRenderWindow;
34class vtkActor;
35
36class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLImageSliceMapper :
38{
39public:
42 void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
43
47 void Render(vtkRenderer *ren, vtkImageSlice *prop);
48
55
56protected:
59
66 vtkRenderer *ren, vtkImageProperty *property,
67 vtkImageData *image, int extent[6], bool recursive);
68
74 vtkRenderer *ren, vtkImageProperty *property,
75 vtkImageData *image, int extent[6], bool recursive);
76
81 void RenderPolygon(vtkActor *actor, vtkPoints *points, const int extent[6], vtkRenderer *ren);
82
88 vtkActor *actor, vtkPoints *points, const int extent[6], vtkRenderer *ren);
89
94
99
108 const int extent[6], int &xdim, int &ydim,
109 int imageSize[2], int textureSize[2]);
110
115 bool TextureSizeOK(const int size[2]);
116
121
122 long FragmentShaderIndex; // OpenGL ID for fragment shader
123 vtkRenderWindow *RenderWindow; // RenderWindow used for previous render
124 int TextureSize[2];
125 int TextureBytesPerPixel;
126 int LastOrientation;
127 int LastSliceNumber;
128
132
133 vtkTimeStamp LoadTime;
134 int LoadCount;
135
136 bool UseClampToEdge;
137 bool UseFragmentProgram;
138
139private:
140 vtkOpenGLImageSliceMapper(const vtkOpenGLImageSliceMapper&) VTK_DELETE_FUNCTION;
141 void operator=(const vtkOpenGLImageSliceMapper&) VTK_DELETE_FUNCTION;
142};
143
144#endif
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:52
topologically and geometrically regular array of data
Definition: vtkImageData.h:46
image display properties
map a slice of a vtkImageData to the screen
represents an image in a 3D scene
Definition: vtkImageSlice.h:53
a simple class to control print indentation
Definition: vtkIndent.h:40
OpenGL mapper for image slice display.
void CheckOpenGLCapabilities(vtkOpenGLRenderWindow *renWin)
Check various OpenGL capabilities.
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 BindFragmentProgram(vtkRenderer *ren, vtkImageProperty *property)
Bind the fragment program, and generate it first if necessary.
bool TextureSizeOK(const int size[2])
Test whether a given texture size is supported.
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.
static vtkOpenGLImageSliceMapper * New()
vtkStdString BuildFragmentProgram(vtkImageProperty *property)
Build the fragment program to use with the texture.
void ComputeTextureSize(const int extent[6], int &xdim, int &ydim, int imageSize[2], int textureSize[2])
Given an extent that describes a slice (it must have unit thickness in one of the three directions),...
void ReleaseGraphicsResources(vtkWindow *)
Release any graphics resources that are being consumed by this mapper, the image texture in particula...
void Render(vtkRenderer *ren, vtkImageSlice *prop)
Implement base class method.
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.
OpenGL rendering window.
represent and manipulate 3D points
Definition: vtkPoints.h:40
create a window for renderers to draw into
abstract specification for renderers
Definition: vtkRenderer.h:64
Wrapper around std::string to keep symbols short.
Definition: vtkStdString.h:49
record modification and/or execution time
Definition: vtkTimeStamp.h:36
window superclass for vtkRenderWindow
Definition: vtkWindow.h:35
@ points
Definition: vtkX3D.h:446
@ extent
Definition: vtkX3D.h:345
@ image
Definition: vtkX3D.h:374
@ size
Definition: vtkX3D.h:253