VTK  9.1.0
vtkEncodedGradientShader.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkEncodedGradientShader.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=========================================================================*/
15
33#ifndef vtkEncodedGradientShader_h
34#define vtkEncodedGradientShader_h
35
36#include "vtkObject.h"
37#include "vtkRenderingVolumeModule.h" // For export macro
38
39class vtkVolume;
40class vtkRenderer;
42
43#define VTK_MAX_SHADING_TABLES 100
44
45class VTKRENDERINGVOLUME_EXPORT vtkEncodedGradientShader : public vtkObject
46{
47public:
50
54 void PrintSelf(ostream& os, vtkIndent indent) override;
55
57
61 vtkSetClampMacro(ZeroNormalDiffuseIntensity, float, 0.0f, 1.0f);
62 vtkGetMacro(ZeroNormalDiffuseIntensity, float);
63 vtkSetClampMacro(ZeroNormalSpecularIntensity, float, 0.0f, 1.0f);
64 vtkGetMacro(ZeroNormalSpecularIntensity, float);
66
71
73
83
85
90 vtkSetClampMacro(ActiveComponent, int, 0, 3);
91 vtkGetMacro(ActiveComponent, int);
93
94protected:
97
112 void BuildShadingTable(int index, double lightDirection[3], double lightAmbientColor[3],
113 double lightDiffuseColor[3], double lightSpecularColor[3], double lightIntensity,
114 double viewDirection[3], double material[4], int twoSided, vtkEncodedGradientEstimator* gradest,
115 int updateFlag);
116
117 // The six shading tables (r diffuse ,g diffuse ,b diffuse,
118 // r specular, g specular, b specular ) - with an entry for each
119 // encoded normal plus one entry at the end for the zero normal
120 // There is one shading table per volume listed in the ShadingTableVolume
121 // array. A null entry indicates an available slot.
122 float* ShadingTable[VTK_MAX_SHADING_TABLES][6];
123 vtkVolume* ShadingTableVolume[VTK_MAX_SHADING_TABLES];
124 int ShadingTableSize[VTK_MAX_SHADING_TABLES];
125
127
128 // The intensity of light used for the zero normals, since it
129 // can not be computed from the normal angles. Defaults to 0.0.
132
133private:
135 void operator=(const vtkEncodedGradientShader&) = delete;
136};
137
138#endif
Superclass for gradient estimation.
Compute shading tables for encoded normals.
float * GetRedSpecularShadingTable(vtkVolume *vol)
Get the red/green/blue shading table.
float * GetRedDiffuseShadingTable(vtkVolume *vol)
Get the red/green/blue shading table.
void PrintSelf(ostream &os, vtkIndent indent) override
Print the vtkEncodedGradientShader.
float * GetBlueDiffuseShadingTable(vtkVolume *vol)
Get the red/green/blue shading table.
void UpdateShadingTable(vtkRenderer *ren, vtkVolume *vol, vtkEncodedGradientEstimator *gradest)
Cause the shading table to be updated.
~vtkEncodedGradientShader() override
float * GetGreenSpecularShadingTable(vtkVolume *vol)
Get the red/green/blue shading table.
float * GetGreenDiffuseShadingTable(vtkVolume *vol)
Get the red/green/blue shading table.
float * GetBlueSpecularShadingTable(vtkVolume *vol)
Get the red/green/blue shading table.
static vtkEncodedGradientShader * New()
void BuildShadingTable(int index, double lightDirection[3], double lightAmbientColor[3], double lightDiffuseColor[3], double lightSpecularColor[3], double lightIntensity, double viewDirection[3], double material[4], int twoSided, vtkEncodedGradientEstimator *gradest, int updateFlag)
Build a shading table for a light with the specified direction, and color for an object of the specif...
a simple class to control print indentation
Definition: vtkIndent.h:113
abstract base class for most VTK objects
Definition: vtkObject.h:82
abstract specification for renderers
Definition: vtkRenderer.h:182
represents a volume (data & properties) in a rendered scene
Definition: vtkVolume.h:144
#define VTK_MAX_SHADING_TABLES