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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkDecoratorTest.cxx,v $
Language: C++
Date: $Date: 2007-04-26 12:14:52 $
Version: $Revision: 1.4 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include <iostream>
#include "itkVector.h"
#include "itkAffineTransform.h"
#include "itkSimpleDataObjectDecorator.h"
#include "itkDataObjectDecorator.h"
#include "itkAutoPointerDataObjectDecorator.h"
// Problems with gcc 2.95. Temporary workaround
#if !(defined(__GNUC__) && __GNUC__ <= 2)
#define OK
#endif
#ifdef OK
namespace {
template <class charT, class traits, class T, class A>
std::basic_ostream<charT, traits>&
operator<<(std::basic_ostream<charT, traits>&os, const std::vector<T,A> &p)
{
os << "vector<" << typeid(T).name() << "> with " << p.size() << " elements " << std::endl;
return os;
}
}
#endif
int itkDecoratorTest(int, char* [] )
{
int status = 0;
std::cout << "----------------------------------------------------"
<< std::endl;
typedef itk::SimpleDataObjectDecorator<float> FloatObjectType;
FloatObjectType::Pointer f = FloatObjectType::New();
f->Set(5.0);
std::cout << "Value of f: " << f->Get() << std::endl;
std::cout << "FloatDataObject: " << f << std::endl;
std::cout << "----------------------------------------------------"
<< std::endl;
typedef itk::AffineTransform<double, 3> TransformType;
typedef itk::DataObjectDecorator<TransformType> TransformObjectType;
TransformObjectType::Pointer decoratedTransform = TransformObjectType::New();
TransformType::Pointer transformObject = TransformType::New();
const TransformType * constTransformObject = transformObject;
transformObject->Scale( 5.0 );
decoratedTransform->Set( constTransformObject );
std::cout << "Value of decoratedTransform: ";
decoratedTransform->Get()->Print(std::cout);
std::cout << "TransformDataObject: " << decoratedTransform;
std::cout << "----------------------------------------------------"
<< std::endl;
typedef std::vector<float> VectorType;
typedef VectorType* VectorPointer;
typedef itk::SimpleDataObjectDecorator<VectorType> VectorObjectType;
typedef itk::AutoPointerDataObjectDecorator<VectorType> VectorPointerObjectType;
VectorType v;
v.resize(5);
#ifdef OK
std::cout << v << std::endl;
#endif
VectorObjectType::Pointer vo = VectorObjectType::New();
vo->Set(v);
#ifdef OK
std::cout << vo;
#endif
std::cout << "----------------------------------------------------"
<< std::endl;
// The following code block will NOT cause a memory leak because the
// ownership of the dynamically allocated memory is passed to the
// AutoPointerDataObjectDecorator
{
VectorPointer vp;
vp = new VectorType;
vp->resize(3);
#ifdef OK
std::cout << *vp << std::endl;
#endif
VectorPointerObjectType::Pointer vop = VectorPointerObjectType::New();
vop->Set(vp);
#ifdef OK
std::cout << vop;
#endif
}
std::cout << "----------------------------------------------------"
<< std::endl;
// The following code block will cause a memory leak because the
// decorator does not deallocate the memory that was passed in on a
// pointer. The AutoPointerDataObjectDecorator does delete the memory.
//typedef itk::SimpleDataObjectDecorator<VectorPointer> VectorPointerObjectType2;
//{
//VectorPointer vp2;
//vp2 = new VectorType;
//vp2->resize(4);
//std::cout << *vp2 << std::endl;
//VectorPointerObjectType2::Pointer vop2 = VectorPointerObjectType2::New();
//vop2->Set(vp2);
//std::cout << vop2;
//}
return status;
}
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