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# IO/vtkImageReader2.h

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    00001 /*=========================================================================
    00002
    00003   Program:   Visualization Toolkit
    00004   Module:    $RCSfile: vtkImageReader2.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 =========================================================================*/
    00044 #ifndef __vtkImageReader2_h
    00045 #define __vtkImageReader2_h
    00046
    00047 #include "vtkImageSource.h"
    00048
    00049 #define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
    00050 #define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
    00051
    00052 class VTK_IO_EXPORT vtkImageReader2 : public vtkImageSource
    00053 {
    00054 public:
    00055   static vtkImageReader2 *New();
    00056   vtkTypeRevisionMacro(vtkImageReader2,vtkImageSource);
    00057   void PrintSelf(ostream& os, vtkIndent indent);
    00058
    00060
    00063   void SetFileName(const char *);
    00064   vtkGetStringMacro(FileName);
    00066
    00068
    00071   void SetFilePrefix(const char *);
    00072   vtkGetStringMacro(FilePrefix);
    00074
    00076
    00077   void SetFilePattern(const char *);
    00078   vtkGetStringMacro(FilePattern);
    00080
    00082
    00085   void SetDataScalarType(int type);
    00086   void SetDataScalarTypeToFloat(){this->SetDataScalarType(VTK_FLOAT);}
    00087   void SetDataScalarTypeToDouble(){this->SetDataScalarType(VTK_DOUBLE);}
    00088   void SetDataScalarTypeToInt(){this->SetDataScalarType(VTK_INT);}
    00089   void SetDataScalarTypeToShort(){this->SetDataScalarType(VTK_SHORT);}
    00090   void SetDataScalarTypeToUnsignedShort()
    00091     {this->SetDataScalarType(VTK_UNSIGNED_SHORT);}
    00092   void SetDataScalarTypeToUnsignedChar()
    00093     {this->SetDataScalarType(VTK_UNSIGNED_CHAR);}
    00095
    00097
    00098   vtkGetMacro(DataScalarType, int);
    00100
    00102
    00103   vtkSetMacro(NumberOfScalarComponents,int);
    00104   vtkGetMacro(NumberOfScalarComponents,int);
    00106
    00108
    00109   vtkSetVector6Macro(DataExtent,int);
    00110   vtkGetVector6Macro(DataExtent,int);
    00112
    00114
    00115   vtkSetMacro(FileDimensionality, int);
    00116   int GetFileDimensionality() {return this->FileDimensionality;}
    00118
    00120
    00121   vtkSetVector3Macro(DataSpacing,float);
    00122   vtkGetVector3Macro(DataSpacing,float);
    00124
    00126
    00127   vtkSetVector3Macro(DataOrigin,float);
    00128   vtkGetVector3Macro(DataOrigin,float);
    00130
    00132
    00133   unsigned long GetHeaderSize();
    00134   unsigned long GetHeaderSize(unsigned long slice);
    00136
    00139   void SetHeaderSize(unsigned long size);
    00140
    00142
    00152   void SetDataByteOrderToBigEndian();
    00153   void SetDataByteOrderToLittleEndian();
    00154   int GetDataByteOrder();
    00155   void SetDataByteOrder(int);
    00156   const char *GetDataByteOrderAsString();
    00158
    00160
    00162   vtkSetMacro(FileNameSliceOffset,int);
    00163   vtkGetMacro(FileNameSliceOffset,int);
    00165
    00167
    00170   vtkSetMacro(FileNameSliceSpacing,int);
    00171   vtkGetMacro(FileNameSliceSpacing,int);
    00173
    00174
    00176
    00177   vtkSetMacro(SwapBytes,int);
    00178   int GetSwapBytes() {return this->SwapBytes;}
    00179   vtkBooleanMacro(SwapBytes,int);
    00181
    00182 //BTX
    00183   ifstream *GetFile() {return this->File;}
    00184   vtkGetVectorMacro(DataIncrements,unsigned long,4);
    00185 //ETX
    00186
    00187   int OpenFile();
    00188   void SeekFile(int i, int j, int k);
    00189
    00191
    00193   vtkBooleanMacro(FileLowerLeft, int);
    00194   vtkGetMacro(FileLowerLeft, int);
    00195   vtkSetMacro(FileLowerLeft, int);
    00197
    00199
    00200   void ComputeInternalFileName(int slice);
    00201   vtkGetStringMacro(InternalFileName);
    00203
    00204 #ifndef VTK_REMOVE_LEGACY_CODE
    00205
    00206   virtual vtkImageReader2* MakeObject();
    00207 #endif
    00208
    00210
    00216   virtual int CanReadFile(const char* vtkNotUsed(fname))
    00217     {
    00218       return 0;
    00219     }
    00221
    00223
    00225   virtual const char* GetFileExensions()
    00226     {
    00227       return 0;
    00228     }
    00230
    00232
    00234   virtual const char* GetDescriptiveName()
    00235     {
    00236       return 0;
    00237     }
    00239 protected:
    00240   vtkImageReader2();
    00241   ~vtkImageReader2();
    00242
    00243   char *InternalFileName;
    00244   char *FileName;
    00245   char *FilePrefix;
    00246   char *FilePattern;
    00247   int NumberOfScalarComponents;
    00248   int FileLowerLeft;
    00249
    00250   ifstream *File;
    00251   unsigned long DataIncrements[4];
    00252   int DataExtent[6];
    00253   int SwapBytes;
    00254
    00255   int FileDimensionality;
    00256   unsigned long HeaderSize;
    00257   int DataScalarType;
    00258   unsigned long ManualHeaderSize;
    00259
    00260   float DataSpacing[3];
    00261   float DataOrigin[3];
    00262
    00263   int FileNameSliceOffset;
    00264   int FileNameSliceSpacing;
    00265
    00266   virtual void ExecuteInformation();
    00267   virtual void ExecuteData(vtkDataObject *data);
    00268   virtual void ComputeDataIncrements();
    00269 private:
    00270   vtkImageReader2(const vtkImageReader2&);  // Not implemented.
    00271   void operator=(const vtkImageReader2&);  // Not implemented.
    00272 };
    00273
    00274 #endif