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IO/vtkSLCReader.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkSLCReader.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 =========================================================================*/
00016 
00048 #ifndef __vtkSLCReader_h
00049 #define __vtkSLCReader_h
00050 
00051 #include "vtkImageReader2.h"
00052 
00053 class VTK_IO_EXPORT vtkSLCReader : public vtkImageReader2 
00054 {
00055 public:
00056   static vtkSLCReader *New();
00057   vtkTypeRevisionMacro(vtkSLCReader,vtkImageReader2);
00058   void PrintSelf(ostream& os, vtkIndent indent);
00059 
00061 
00062   vtkSetStringMacro(FileName);
00063   vtkGetStringMacro(FileName);
00065 
00067 
00068   vtkGetMacro(Error,int);
00070   
00072 
00073   int CanReadFile(const char* fname);
00074   // Description:
00075   // .slc
00076   virtual const char* GetFileExensions()
00077     {
00078       return ".slc";
00079     }
00081 
00083 
00084   virtual const char* GetDescriptiveName()
00085     {
00086       return "SLC";
00087     }
00089   
00090 protected:
00091   vtkSLCReader();
00092   ~vtkSLCReader();
00093 
00094   // Reads the file name and builds a vtkStructuredPoints dataset.
00095   virtual void ExecuteData(vtkDataObject*);
00096 
00097   // Not used now, but will be needed when this is made into an 
00098   // imaging filter.
00099   // Sets WholeExtent, Origin, Spacing, ScalarType 
00100   // and NumberOfComponents of output.
00101   void ExecuteInformation();
00102   
00103   // Decodes an array of eight bit run-length encoded data.
00104   unsigned char *Decode8BitData( unsigned char *in_ptr, int size );
00105   int Error;
00106 private:
00107   vtkSLCReader(const vtkSLCReader&);  // Not implemented.
00108   void operator=(const vtkSLCReader&);  // Not implemented.
00109 };
00110 
00111 #endif
00112 
00113