vtkImageReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkImageReader_h
#define vtkImageReader_h
 
#include "vtkIOImageModule.h" // For export macro
#include "vtkImageReader2.h"
 
VTK_ABI_NAMESPACE_BEGIN
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) override;
 
 
  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);
 
  int CanReadFile(VTK_FILEPATH const char*) override
  {
    return 1; // I think I can read the file but I cannot prove it
  }
 
protected:
  vtkImageReader();
  ~vtkImageReader() override;
 
  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;
 
  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  void ExecuteDataWithInformation(vtkDataObject* data, vtkInformation* outInfo) override;
 
private:
  vtkImageReader(const vtkImageReader&) = delete;
  void operator=(const vtkImageReader&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif