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vtkBase64Utilities.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkBase64Utilities.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00025 #ifndef __vtkBase64Utilities_h
00026 #define __vtkBase64Utilities_h
00027 
00028 #include "vtkObject.h"
00029 
00030 class VTK_IO_EXPORT vtkBase64Utilities : public vtkObject
00031 {
00032 public:
00033   static vtkBase64Utilities *New();
00034   vtkTypeRevisionMacro(vtkBase64Utilities,vtkObject);
00035 
00037 
00038   static void EncodeTriplet(unsigned char i0,
00039                             unsigned char i1,
00040                             unsigned char i2,
00041                             unsigned char *o0,
00042                             unsigned char *o1,
00043                             unsigned char *o2,
00044                             unsigned char *o3);
00046 
00048 
00049   static void EncodePair(unsigned char i0,
00050                          unsigned char i1,
00051                          unsigned char *o0,
00052                          unsigned char *o1,
00053                          unsigned char *o2,
00054                          unsigned char *o3);
00056 
00058 
00059   static void EncodeSingle(unsigned char i0,
00060                            unsigned char *o0,
00061                            unsigned char *o1,
00062                            unsigned char *o2,
00063                            unsigned char *o3);
00065 
00067 
00077   static unsigned long Encode(const unsigned char *input, 
00078                               unsigned long length, 
00079                               unsigned char *output,
00080                               int mark_end = 0);
00082 
00083 
00085 
00086   static int DecodeTriplet(unsigned char i0,
00087                            unsigned char i1,
00088                            unsigned char i2,
00089                            unsigned char i3,
00090                            unsigned char *o0,
00091                            unsigned char *o1,
00092                            unsigned char *o2);
00094 
00096 
00105   static unsigned long Decode(const unsigned char *input, 
00106                               unsigned long length, 
00107                               unsigned char *output,
00108                               unsigned long max_input_length = 0);
00110 
00111 protected:
00112   vtkBase64Utilities() {};
00113   ~vtkBase64Utilities() {};  
00114   
00115 private:
00116   vtkBase64Utilities(const vtkBase64Utilities&);  // Not implemented.
00117   void operator=(const vtkBase64Utilities&);  // Not implemented.
00118 };
00119 
00120 #endif