00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkBase64OutputStream.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 =========================================================================*/ 00037 #ifndef __vtkBase64OutputStream_h 00038 #define __vtkBase64OutputStream_h 00039 00040 #include "vtkOutputStream.h" 00041 00042 class VTK_IO_EXPORT vtkBase64OutputStream : public vtkOutputStream 00043 { 00044 public: 00045 vtkTypeRevisionMacro(vtkBase64OutputStream,vtkOutputStream); 00046 static vtkBase64OutputStream *New(); 00047 void PrintSelf(ostream& os, vtkIndent indent); 00048 00052 int StartWriting(); 00053 00055 int Write(const unsigned char* data, unsigned long length); 00056 00061 int EndWriting(); 00062 00063 protected: 00064 vtkBase64OutputStream(); 00065 ~vtkBase64OutputStream(); 00066 00067 // Number of un-encoded bytes left in Buffer from last call to Write. 00068 unsigned int BufferLength; 00069 unsigned char Buffer[2]; 00070 00071 // Methods to encode and write data. 00072 int EncodeTriplet(unsigned char c0, unsigned char c1, unsigned char c2); 00073 int EncodeEnding(unsigned char c0, unsigned char c1); 00074 int EncodeEnding(unsigned char c0); 00075 00076 private: 00077 vtkBase64OutputStream(const vtkBase64OutputStream&); // Not implemented. 00078 void operator=(const vtkBase64OutputStream&); // Not implemented. 00079 }; 00080 00081 #endif