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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkFactoryTestLib.cxx
Language: C++
Date: $Date$
Version: $Revision$
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.
=========================================================================*/
#include "itkFactoryTestLib.h"
#include "itkImage.h"
#include "itkRGBPixel.h"
#include "itkVersion.h"
static unsigned long itkTotalMemoryUsed = 0;
template<class TElementIdentifier, typename TElement>
class TestImportImageContainer : public itk::ImportImageContainer< TElementIdentifier, TElement >
{
public:
/** Standard class typedefs. */
typedef TestImportImageContainer Self;
typedef itk::ImportImageContainer< TElementIdentifier, TElement > Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(TestImportImageContainer);
/** Run-time type information (and related methods). */
itkTypeMacro(TestImportImageContainer, ImportImageContainer);
typedef typename Superclass::ElementIdentifier ElementIdentifier;
typedef typename Superclass::Element Element;
typedef std::allocator<TElement> Allocator;
// Methods from itkObject
virtual ~TestImportImageContainer()
{
itkTotalMemoryUsed -= m_TotalSize;
m_TotalSize = 0;
DeallocateManagedMemory();
}
TestImportImageContainer()
: m_TotalSize(0)
,m_MemoryAllocatedByAllocator(false)
{
}
protected:
TElement* AllocateElements(ElementIdentifier size) const
{
std::cout << "TestImportImageContainer: Allocating "
<< size << " elements of type "
<< typeid(TElement).name() << " totaling "
<< sizeof(TElement) * size << " bytes" << std::endl;
TElement* data;
try
{
// allocate normally only requires 1 argument.
// MSVC 6.0 makes it require 2, we set the second to be
// a null pointer which means no allocation hint
// Sun cc compiler needs a cast to assign a void pointer to another pointer
data = static_cast<TElement*>(m_Allocator.allocate(size,0));
if (data)
{
new (data) Element[size];
}
}
catch(...)
{
data = 0;
}
if(!data)
{
// We cannot construct an error string here because we may be out
// of memory. Do not use the exception macro.
throw itk::MemoryAllocationError(__FILE__, __LINE__,
"Failed to allocate memory for image.",
ITK_LOCATION);
}
m_TotalSize = size * sizeof(TElement);
itkTotalMemoryUsed += m_TotalSize;
m_MemoryAllocatedByAllocator = true;
std::cout << "TestImportImageContainer: Total memory used is "
<< itkTotalMemoryUsed << " bytes" << std::endl;
return data;
}
void DeallocateManagedMemory()
{
std::cout << "TestImportImageContainer: Deallocating "
<< this->Capacity() << " elements of type "
<< typeid(TElement).name() << " totaling "
<< sizeof(TElement) * this->Capacity() << " bytes" << std::endl;
if (m_MemoryAllocatedByAllocator)
{
TElement * ptr = this->GetImportPointer();
const TElement * const end = ptr + this->Capacity();
for (TElement * base = ptr; base<end; ++base)
{
m_Allocator.destroy(base);
}
m_Allocator.deallocate(ptr, this->Capacity() );
m_MemoryAllocatedByAllocator = false;
this->SetImportPointer(0);
this->SetCapacity(0);
this->SetSize(0);
}
else
{
Superclass::DeallocateManagedMemory();
}
std::cout << "TestImportImageContainer: Total memory used is "
<< itkTotalMemoryUsed << " bytes" << std::endl;
}
private:
TestImportImageContainer(const TestImportImageContainer&);
void operator=(const TestImportImageContainer&);
mutable TElementIdentifier m_TotalSize;
mutable Allocator m_Allocator;
mutable bool m_MemoryAllocatedByAllocator;
};
class ImportImageContainerFactory : public itk::ObjectFactoryBase
{
public:
typedef ImportImageContainerFactory Self;
typedef itk::ObjectFactoryBase Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Class methods used to interface with the registered factories. */
virtual const char* GetITKSourceVersion() const { return ITK_SOURCE_VERSION; }
const char* GetDescription() const { return "A Factory for ImportImageContainer"; }
/** Method for class instantiation. */
itkFactorylessNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(ImportImageContainerFactory, itk::ObjectFactoryBase);
/** Register one factory of this type */
static void RegisterOneFactory(void)
{
ImportImageContainerFactory::Pointer factory = ImportImageContainerFactory::New();
itk::ObjectFactoryBase::RegisterFactory(factory);
}
private:
ImportImageContainerFactory(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
#define OverrideTypeMacro(t) this->RegisterOverride(\
typeid(itk::ImportImageContainer<unsigned long,t >).name(),\
typeid(TestImportImageContainer<unsigned long,t >).name(),\
"Test ImportImageContainerOverride",\
true,\
itk::CreateObjectFunction<TestImportImageContainer<unsigned long,t > >::New())
ImportImageContainerFactory()
{
OverrideTypeMacro(short);
OverrideTypeMacro(unsigned char);
OverrideTypeMacro(float);
OverrideTypeMacro(int);
OverrideTypeMacro(double);
OverrideTypeMacro(itk::RGBPixel<unsigned char>);
OverrideTypeMacro(itk::RGBPixel<unsigned short>);
}
};
/**
* Routine that is called when the shared library is loaded by
* itk::ObjectFactoryBase::LoadDynamicFactories().
*
* itkLoad() is C (not C++) function.
*/
static ImportImageContainerFactory::Pointer staticImportImageContainerFactory;
itk::ObjectFactoryBase* itkLoad()
{
staticImportImageContainerFactory = ImportImageContainerFactory::New();
return staticImportImageContainerFactory;
}
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