vtkImageReader.h

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImageReader.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkImageReader_h
#define vtkImageReader_h
 
#include "vtkIOImageModule.h" // For export macro
#include "vtkImageReader2.h"
 
class vtkTransform;
 
#define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
#define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
 
class VTKIOIMAGE_EXPORT vtkImageReader : public vtkImageReader2
{
public:
  static vtkImageReader *New();
  vtkTypeMacro(vtkImageReader,vtkImageReader2);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  vtkSetVector6Macro(DataVOI,int);
  vtkGetVector6Macro(DataVOI,int);
 
 
  vtkGetMacro(DataMask, vtkTypeUInt64);
  vtkSetMacro(DataMask, vtkTypeUInt64);
 
 
  virtual void SetTransform(vtkTransform*);
  vtkGetObjectMacro(Transform,vtkTransform);
 
  // Warning !!!
  // following should only be used by methods or template helpers, not users
  void ComputeInverseTransformedExtent(int inExtent[6],
                                       int outExtent[6]);
  void ComputeInverseTransformedIncrements(vtkIdType inIncr[3],
                                           vtkIdType outIncr[3]);
 
  int OpenAndSeekFile(int extent[6], int slice);
 
 
  vtkSetStringMacro(ScalarArrayName);
  vtkGetStringMacro(ScalarArrayName);
 
protected:
  vtkImageReader();
  ~vtkImageReader();
 
  vtkTypeUInt64 DataMask;
 
  vtkTransform *Transform;
 
  void ComputeTransformedSpacing (double Spacing[3]);
  void ComputeTransformedOrigin (double origin[3]);
  void ComputeTransformedExtent(int inExtent[6],
                                int outExtent[6]);
  void ComputeTransformedIncrements(vtkIdType inIncr[3],
                                    vtkIdType outIncr[3]);
 
  int DataVOI[6];
 
  char *ScalarArrayName;
 
  virtual int RequestInformation(vtkInformation* request,
                                 vtkInformationVector** inputVector,
                                 vtkInformationVector* outputVector);
 
  void ExecuteDataWithInformation(vtkDataObject *data, vtkInformation *outInfo);
private:
  vtkImageReader(const vtkImageReader&) VTK_DELETE_FUNCTION;
  void operator=(const vtkImageReader&) VTK_DELETE_FUNCTION;
};
 
#endif