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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkArray.txx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:32 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information. |
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=========================================================================*/ |
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DEF |
#ifndef _itkArray_txx |
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DEF |
#define _itkArray_txx |
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#include "itkArray.h" |
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namespace itk |
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{ |
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/** Default constructor */ |
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template < typename TValueType > |
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Array<TValueType > |
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::Array():vnl_vector<TValueType>() |
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{ |
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m_LetArrayManageMemory = true; |
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} |
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/** Constructor with size */ |
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template < typename TValueType > |
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Array<TValueType > |
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::Array(unsigned int dimension):vnl_vector<TValueType>(dimension) |
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{ |
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m_LetArrayManageMemory = true; |
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} |
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/** Constructor with user specified data */ |
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template < typename TValueType > |
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Array<TValueType > |
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::Array( ValueType *datain, unsigned int sz, bool LetArrayManageMemory) |
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{ |
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vnl_vector<TValueType>::data = datain; |
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vnl_vector<TValueType>::num_elmts = sz; |
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m_LetArrayManageMemory = LetArrayManageMemory; |
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} |
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/** Constructor with user specified data */ |
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template < typename TValueType > |
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Array<TValueType > |
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::Array( const ValueType *datain, unsigned int sz, bool LetArrayManageMemory) |
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{ |
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vnl_vector<TValueType>::data = const_cast< TValueType * >( datain ); |
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*******************************// Argh!! Discard constness WRONG.!! |
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vnl_vector<TValueType>::num_elmts = sz; |
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m_LetArrayManageMemory = LetArrayManageMemory; |
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} |
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/** Destructor*/ |
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template < typename TValueType > |
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Array<TValueType > |
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::~Array() |
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{ |
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if(!m_LetArrayManageMemory) |
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{ |
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vnl_vector<TValueType>::data = 0; |
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} |
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} |
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/** Set the pointer from which the data is imported. |
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* If "LetArrayManageMemory" is false, then the application retains |
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* the responsibility of freeing the memory for this data. If |
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* "LetArrayManageMemory" is true, then this class will free the |
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* memory when this object is destroyed. */ |
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template < typename TValueType > |
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void |
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Array<TValueType > |
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::SetData(TValueType* datain,bool LetArrayManageMemory) |
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{ |
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if(m_LetArrayManageMemory) |
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{ |
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vnl_vector<TValueType>::destroy(); |
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} |
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vnl_vector<TValueType>::data = datain; |
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m_LetArrayManageMemory = LetArrayManageMemory; |
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} |
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/** Similar to the previous method. In the above method, the size must be |
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* seperately set prior to using user-supplied data. This introduces an |
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* unnecessary allocation step to be performed. This method avoids it |
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* and should be used to import data whereever possible to avoid this. |
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* Set the pointer from which the data is imported. |
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* If "LetArrayManageMemory" is false, then the application retains |
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* the responsibility of freeing the memory for this data. If |
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* "LetArrayManageMemory" is true, then this class will free the |
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* memory when this object is destroyed. */ |
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template < typename TValueType > |
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void |
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Array<TValueType > |
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::SetData(TValueType* datain, unsigned int sz, bool LetArrayManageMemory) |
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{ |
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if(m_LetArrayManageMemory) |
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{ |
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vnl_vector<TValueType>::destroy(); |
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} |
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vnl_vector<TValueType>::data = datain; |
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vnl_vector<TValueType>::num_elmts = sz; |
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m_LetArrayManageMemory = LetArrayManageMemory; |
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} |
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template < typename TValueType > |
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void Array<TValueType > |
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::SetSize(unsigned int sz) |
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{ |
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if ( this->size() != sz ) |
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{ |
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// If the array doesn't own the data we do not want to erase it |
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// on a resize |
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if(!m_LetArrayManageMemory) |
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{ |
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vnl_vector<TValueType>::data = 0; |
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} |
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// Call the superclass's set_size |
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this->set_size(sz); |
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// Size we have allocated new data we need to take |
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// responsibility for deleting it |
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m_LetArrayManageMemory = true; |
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} |
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} |
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EML |
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template < typename TValueType > |
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const typename Array<TValueType> |
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::Self& |
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Array<TValueType> |
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::operator=( const Self& rhs ) |
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{ |
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if( this == &rhs ) { return *this; } |
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// Set the size the same as rhs. |
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// The SetSize method takes care of who is responsible |
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// for memory management |
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// |
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this->SetSize( rhs.GetSize() ); |
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// Call the superclass implementation |
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this->VnlVectorType::operator=(rhs); |
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return *this; |
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} |
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template < typename TValueType > |
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const typename Array<TValueType> |
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::Self& |
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Array<TValueType> |
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::operator=( const VnlVectorType& rhs ) |
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{ |
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if( this == &rhs ) { return *this; } |
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// Set the size the same as rhs. |
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// The SetSize method takes care of who is responsible |
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// for memory management |
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// |
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this->SetSize( rhs.size() ); |
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// Call the superclass implementation |
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this->VnlVectorType::operator=(rhs); |
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return *this; |
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} |
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} // namespace itk |
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#endif |
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