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104 lines
3.5 KiB
104 lines
3.5 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkImageReader.h,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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// .NAME vtkImageReader - Superclass of transformable binary file readers.
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// .SECTION Description
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// vtkImageReader provides methods needed to read a region from a file.
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// It supports both transforms and masks on the input data, but as a result
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// is more complicated and slower than its parent class vtkImageReader2.
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// .SECTION See Also
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// vtkBMPReader vtkPNMReader vtkTIFFReader
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#ifndef __vtkImageReader_h
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#define __vtkImageReader_h
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#include "vtkImageReader2.h"
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class vtkTransform;
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#define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
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#define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
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class VTK_IO_EXPORT vtkImageReader : public vtkImageReader2
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{
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public:
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static vtkImageReader *New();
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vtkTypeRevisionMacro(vtkImageReader,vtkImageReader2);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Set/get the data VOI. You can limit the reader to only
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// read a subset of the data.
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vtkSetVector6Macro(DataVOI,int);
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vtkGetVector6Macro(DataVOI,int);
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// Description:
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// Set/Get the Data mask.
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vtkGetMacro(DataMask,unsigned short);
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void SetDataMask(int val)
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{if (val == this->DataMask) { return; }
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this->DataMask = ((unsigned short)(val)); this->Modified();}
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// Description:
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// Set/Get transformation matrix to transform the data from slice space
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// into world space. This matrix must be a permutation matrix. To qualify,
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// the sums of the rows must be + or - 1.
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virtual void SetTransform(vtkTransform*);
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vtkGetObjectMacro(Transform,vtkTransform);
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// Warning !!!
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// following should only be used by methods or template helpers, not users
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void ComputeInverseTransformedExtent(int inExtent[6],
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int outExtent[6]);
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void ComputeInverseTransformedIncrements(vtkIdType inIncr[3],
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vtkIdType outIncr[3]);
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int OpenAndSeekFile(int extent[6], int slice);
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// Description:
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// Set/get the scalar array name for this data set.
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vtkSetStringMacro(ScalarArrayName);
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vtkGetStringMacro(ScalarArrayName);
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protected:
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vtkImageReader();
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~vtkImageReader();
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unsigned short DataMask; // Mask each pixel with ...
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vtkTransform *Transform;
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void ComputeTransformedSpacing (double Spacing[3]);
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void ComputeTransformedOrigin (double origin[3]);
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void ComputeTransformedExtent(int inExtent[6],
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int outExtent[6]);
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void ComputeTransformedIncrements(vtkIdType inIncr[3],
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vtkIdType outIncr[3]);
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int DataVOI[6];
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char *ScalarArrayName;
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virtual int RequestInformation(vtkInformation* request,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector);
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void ExecuteData(vtkDataObject *data);
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private:
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vtkImageReader(const vtkImageReader&); // Not implemented.
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void operator=(const vtkImageReader&); // Not implemented.
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};
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#endif
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