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# IO/vtkImageReader.h

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    00001 /*=========================================================================
    00002
    00003   Program:   Visualization Toolkit
    00004   Module:    $RCSfile: vtkImageReader.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 =========================================================================*/
    00048 #ifndef __vtkImageReader_h
    00049 #define __vtkImageReader_h
    00050
    00051 #include "vtkImageReader2.h"
    00052
    00053 class vtkTransform;
    00054
    00055 #define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
    00056 #define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
    00057
    00058 class VTK_IO_EXPORT vtkImageReader : public vtkImageReader2
    00059 {
    00060 public:
    00061   static vtkImageReader *New();
    00062   vtkTypeRevisionMacro(vtkImageReader,vtkImageReader2);
    00063   void PrintSelf(ostream& os, vtkIndent indent);
    00064
    00066
    00068   vtkSetVector6Macro(DataVOI,int);
    00069   vtkGetVector6Macro(DataVOI,int);
    00071
    00073
    00074   vtkGetMacro(DataMask,unsigned short);
    00075   void SetDataMask(int val)
    00076        {if (val == this->DataMask) { return; }
    00077         this->DataMask = ((unsigned short)(val)); this->Modified();}
    00079
    00081
    00084   virtual void SetTransform(vtkTransform*);
    00085   vtkGetObjectMacro(Transform,vtkTransform);
    00087
    00088   // Warning !!!
    00089   // following should only be used by methods or template helpers, not users
    00090   void ComputeInverseTransformedExtent(int inExtent[6],
    00091                                        int outExtent[6]);
    00092   void ComputeInverseTransformedIncrements(int inIncr[3],
    00093                                            int outIncr[3]);
    00094
    00095   int OpenAndSeekFile(int extent[6], int slice);
    00096 protected:
    00097   vtkImageReader();
    00098   ~vtkImageReader();
    00099
    00100   unsigned short DataMask;  // Mask each pixel with ...
    00101
    00102   vtkTransform *Transform;
    00103
    00104   void ComputeTransformedSpacing (float Spacing[3]);
    00105   void ComputeTransformedOrigin (float origin[3]);
    00106   void ComputeTransformedExtent(int inExtent[6],
    00107                                 int outExtent[6]);
    00108   void ComputeTransformedIncrements(int inIncr[3],
    00109                                     int outIncr[3]);
    00110
    00111   int DataVOI[6];
    00112
    00113   void ExecuteInformation();
    00114   void ExecuteData(vtkDataObject *data);
    00115 private:
    00116   vtkImageReader(const vtkImageReader&);  // Not implemented.
    00117   void operator=(const vtkImageReader&);  // Not implemented.
    00118 };
    00119
    00120 #endif