text: /*=========================================================================
   *
   *  Copyright Insight Software Consortium
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *         http://www.apache.org/licenses/LICENSE-2.0.txt
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   *=========================================================================*/
  #ifndef __itkVoxBoCUBImageIO_h
  #define __itkVoxBoCUBImageIO_h
  
  
  #include <fstream>
  #include <string>
  #include <map>
  #include "itkImageIOBase.h"
  #include "itkSpatialOrientation.h"
  #include <stdio.h>
  
  namespace itk
  {
  // Forward declaration
  class GenericCUBFileAdaptor;
  
  /** \class VoxBoCUBImageIO
   *
   *  \brief Read VoxBoCUBImage file format.
   *
   * A generic reader and writer object for VoxBo files. Basically it
   * provides uniform access to gzip and normal files
   *
   * \author Burstein, Pablo D.; Yushkevich, Paul; Gee, James C.
   *
   * This implementation was contributed as a paper to the Insight Journal
   * http://hdl.handle.net/1926/303
   *
   * \ingroup IOFilters
   *
   * \ingroup ITKReview
   */
  class ITK_EXPORT VoxBoCUBImageIO:public ImageIOBase
  {
  public:
    /** Standard class typedefs. */
    typedef VoxBoCUBImageIO      Self;
    typedef ImageIOBase          Superclass;
    typedef SmartPointer< Self > Pointer;
  
    /** Method for creation through the object factory. */
    itkNewMacro(Self);
  
    /** Run-time type information (and related methods). */
    itkTypeMacro(VoxBoCUBImageIO, Superclass);
  
    /*-------- This part of the interfaces deals with reading data. ----- */
  
    /** Determine the file type. Returns true if this ImageIO can read the
     * file specified. */
    virtual bool CanReadFile(const char *);
  
    /** Set the spacing and dimension information for the set filename. */
    virtual void ReadImageInformation();
  
    /** Reads the data from disk into the memory buffer provided. */
    virtual void Read(void *buffer);
  
    /*-------- This part of the interfaces deals with writing data. ----- */
  
    /** Determine the file type. Returns true if this ImageIO can write the
     * file specified. */
    virtual bool CanWriteFile(const char *);
  
    /** Set the spacing and dimension information for the set filename. */
    virtual void WriteImageInformation();
  
    /** Writes the data to disk from the memory buffer provided. Make sure
     * that the IORegions has been set properly. */
    virtual void Write(const void *buffer);
  
    VoxBoCUBImageIO();
    ~VoxBoCUBImageIO();
    void PrintSelf(std::ostream & os, Indent indent) const;
  
  private:
    VoxBoCUBImageIO(const Self &); //purposely not implemented
    void operator=(const Self &);  //purposely not implemented
  
    bool CheckExtension(const char *, bool & isCompressed);
  
    GenericCUBFileAdaptor * CreateReader(const char *filename);
  
    GenericCUBFileAdaptor * CreateWriter(const char *filename);
  
    GenericCUBFileAdaptor *m_Reader, *m_Writer;
  
    // Initialize the orientation map (from strings to ITK)
    void InitializeOrientationMap();
  
    // Orientation stuff
    typedef SpatialOrientation::ValidCoordinateOrientationFlags OrientationFlags;
    typedef std::map< std::string, OrientationFlags >           OrientationMap;
    typedef std::map< OrientationFlags, std::string >           InverseOrientationMap;
  
    OrientationMap        m_OrientationMap;
    InverseOrientationMap m_InverseOrientationMap;
  
    // Method to swap bytes in read buffer
    void SwapBytesIfNecessary(void *buffer, BufferSizeType numberOfBytes);
  
    // Strings used in VoxBo files
    static const char *m_VB_IDENTIFIER_SYSTEM;
    static const char *m_VB_IDENTIFIER_FILETYPE;
    static const char *m_VB_DIMENSIONS;
    static const char *m_VB_SPACING;
    static const char *m_VB_ORIGIN;
    static const char *m_VB_DATATYPE;
    static const char *m_VB_BYTEORDER;
    static const char *m_VB_ORIENTATION;
    static const char *m_VB_BYTEORDER_MSB;
    static const char *m_VB_BYTEORDER_LSB;
    static const char *m_VB_DATATYPE_BYTE;
    static const char *m_VB_DATATYPE_INT;
    static const char *m_VB_DATATYPE_FLOAT;
    static const char *m_VB_DATATYPE_DOUBLE;
  };
  } // end namespace itk
  
  #endif // __itkVoxBoCUBImageIO_h
  