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itkValarrayImageContainer.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkValarrayImageContainer.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/01/15 18:57:26 $
00007   Version:   $Revision: 1.10 $
00008 
00009   Copyright (c) 2002 Insight Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkValarrayImageContainer_h
00018 #define __itkValarrayImageContainer_h
00019 
00020 #include "itkObject.h"
00021 #include "itkObjectFactory.h"
00022 
00023 #include <utility>
00024 #include <valarray>
00025 
00026 namespace itk
00027 {
00028 
00046 template <
00047   typename TElementIdentifier,
00048   typename TElement
00049   >
00050 class ValarrayImageContainer: 
00051   public Object,
00052   private std::valarray<TElement>
00053 {
00054 public:
00056   typedef ValarrayImageContainer     Self;
00057   typedef Object  Superclass;
00058   typedef SmartPointer<Self>  Pointer;
00059   typedef SmartPointer<const Self>  ConstPointer;
00060     
00062   typedef TElementIdentifier  ElementIdentifier;
00063   typedef TElement            Element;
00064   
00065 private:
00067   typedef std::valarray<Element>  ValarrayType;
00068   
00069 protected:
00074   ValarrayImageContainer():
00075     ValarrayType() {}
00076   ValarrayImageContainer(unsigned long n):
00077     ValarrayType(n) {}
00078   ValarrayImageContainer(unsigned long n, const Element& x):
00079     ValarrayType(n, x) {}
00080   ValarrayImageContainer(const Self& r):
00081     ValarrayType(r) {}
00082   
00083 public:
00085   itkNewMacro(Self);
00086   
00088   itkTypeMacro(ValarrayImageContainer, Object);
00089 
00091   TElement & operator[](const ElementIdentifier id)
00092     { return this->ValarrayType::operator[](id); };
00093 
00095   const TElement & operator[](const ElementIdentifier id) const
00096     { return this->ValarrayType::operator[](id); };
00097 
00100   TElement *GetBufferPointer()
00101     { return &(this->ValarrayType::operator[](0)); };
00102   
00104   unsigned long Size(void) const
00105     { return this->ValarrayType::size(); };
00106 
00111   void Reserve(ElementIdentifier num)
00112     { this->ValarrayType::resize(num); };
00113   
00117   void Squeeze(void)
00118     { this->ValarrayType::resize( this->ValarrayType::size() ); };
00119 
00121   void Initialize(void)
00122     { this->ValarrayType::resize( 0 ); };
00123   
00124 public:
00128   virtual void PrintSelf(std::ostream& os, Indent indent) const
00129   {
00130     Object::PrintSelf(os, indent);
00131     // Print out the pointer to bulk data memory. We use const_cast<> to
00132     // cast away the constness so we can call GetBufferPointer()
00133     os << indent << "Pointer: "
00134        << const_cast<ValarrayImageContainer*>(this)->GetBufferPointer()
00135        << std::endl;
00136     
00137     os << indent << "Size: " << this->Size() << std::endl;
00138   };
00139   
00140 };
00141 
00142 } // end namespace itk
00143   
00144 #endif

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