00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: vtkDirectionEncoder.h 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 =========================================================================*/ 00015 00032 #ifndef __vtkDirectionEncoder_h 00033 #define __vtkDirectionEncoder_h 00034 00035 #include "vtkObject.h" 00036 00037 class VTK_VOLUMERENDERING_EXPORT vtkDirectionEncoder : public vtkObject 00038 { 00039 public: 00041 00042 vtkTypeMacro(vtkDirectionEncoder,vtkObject); 00043 virtual void PrintSelf(ostream& os, vtkIndent indent); 00045 00047 virtual int GetEncodedDirection( float n[3] )=0; 00048 00050 virtual float *GetDecodedGradient( int value )=0; 00051 00053 virtual int GetNumberOfEncodedDirections( void )=0; 00054 00059 virtual float *GetDecodedGradientTable( void )=0; 00060 00061 protected: 00062 vtkDirectionEncoder() {}; 00063 ~vtkDirectionEncoder() {}; 00064 private: 00065 vtkDirectionEncoder(const vtkDirectionEncoder&); // Not implemented. 00066 void operator=(const vtkDirectionEncoder&); // Not implemented. 00067 }; 00068 00069 00070 #endif 00071 00072 00073 00074 00075 00076 00077