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dox/Rendering/vtkVolumeTextureMapper.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkVolumeTextureMapper.h,v $ 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00026 #ifndef __vtkVolumeTextureMapper_h 00027 #define __vtkVolumeTextureMapper_h 00028 00029 #include "vtkVolumeMapper.h" 00030 00031 class vtkEncodedGradientEstimator; 00032 class vtkEncodedGradientShader; 00033 class vtkRenderWindow; 00034 class vtkRenderer; 00035 class vtkVolume; 00036 00037 class VTK_RENDERING_EXPORT vtkVolumeTextureMapper : public vtkVolumeMapper 00038 { 00039 public: 00040 vtkTypeRevisionMacro(vtkVolumeTextureMapper,vtkVolumeMapper); 00041 void PrintSelf( ostream& os, vtkIndent indent ); 00042 00044 virtual void Update(); 00045 00047 00048 virtual void SetGradientEstimator( vtkEncodedGradientEstimator *gradest ); 00049 vtkGetObjectMacro( GradientEstimator, vtkEncodedGradientEstimator ); 00051 00053 00054 vtkGetObjectMacro( GradientShader, vtkEncodedGradientShader ); 00056 00057 //BTX 00059 00061 float *GetGradientOpacityArray(){return this->GradientOpacityArray;}; 00062 unsigned char *GetRGBAArray(){return this->RGBAArray;}; 00063 float *GetRedDiffuseShadingTable(){return this->RedDiffuseShadingTable;}; 00064 float *GetGreenDiffuseShadingTable(){return this->GreenDiffuseShadingTable;}; 00065 float *GetBlueDiffuseShadingTable(){return this->BlueDiffuseShadingTable;}; 00066 float *GetRedSpecularShadingTable(){return this->RedSpecularShadingTable;}; 00067 float *GetGreenSpecularShadingTable(){return this->GreenSpecularShadingTable;}; 00068 float *GetBlueSpecularShadingTable(){return this->BlueSpecularShadingTable;}; 00069 unsigned short *GetEncodedNormals(){return this->EncodedNormals;}; 00070 unsigned char *GetGradientMagnitudes(){return this->GradientMagnitudes;}; 00071 vtkGetMacro( Shade, int ); 00072 vtkGetObjectMacro( RenderWindow, vtkRenderWindow ); 00073 vtkGetVectorMacro( DataOrigin, float, 3 ); 00074 vtkGetVectorMacro( DataSpacing, float, 3 ); 00076 00079 virtual void Render(vtkRenderer *ren, vtkVolume *vol)=0; 00080 00082 00084 virtual float GetGradientMagnitudeScale(); 00085 virtual float GetGradientMagnitudeBias(); 00086 virtual float GetGradientMagnitudeScale(int) 00087 { return this->GetGradientMagnitudeScale(); }; 00088 virtual float GetGradientMagnitudeBias(int) 00089 { return this->GetGradientMagnitudeBias(); }; 00091 00092 //ETX 00093 00094 00095 00096 protected: 00097 vtkVolumeTextureMapper(); 00098 ~vtkVolumeTextureMapper(); 00099 00100 void InitializeRender( vtkRenderer *ren, vtkVolume *vol ); 00101 00102 // Objects / variables needed for shading / gradient magnitude opacity 00103 vtkEncodedGradientEstimator *GradientEstimator; 00104 vtkEncodedGradientShader *GradientShader; 00105 int Shade; 00106 00107 float *GradientOpacityArray; 00108 unsigned char *RGBAArray; 00109 int ArraySize; 00110 00111 float *RedDiffuseShadingTable; 00112 float *GreenDiffuseShadingTable; 00113 float *BlueDiffuseShadingTable; 00114 float *RedSpecularShadingTable; 00115 float *GreenSpecularShadingTable; 00116 float *BlueSpecularShadingTable; 00117 00118 float DataOrigin[3]; 00119 float DataSpacing[3]; 00120 00121 unsigned short *EncodedNormals; 00122 unsigned char *GradientMagnitudes; 00123 00124 float SampleDistance; 00125 00126 vtkRenderWindow *RenderWindow; 00127 private: 00128 vtkVolumeTextureMapper(const vtkVolumeTextureMapper&); // Not implemented. 00129 void operator=(const vtkVolumeTextureMapper&); // Not implemented. 00130 }; 00131 00132 00133 #endif 00134 00135