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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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.
*
*=========================================================================*/
#include "itkFactoryTestLib.h"
#include "itkImage.h"
#include "itkRGBPixel.h"
#include "itkVersion.h"
static unsigned long itkTotalMemoryUsed = 0;
template <typename TElementIdentifier, typename TElement>
class TestImportImageContainer : public itk::ImportImageContainer<TElementIdentifier, TElement>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(TestImportImageContainer);
/** Standard class type aliases. */
using Self = TestImportImageContainer;
using Superclass = itk::ImportImageContainer<TElementIdentifier, TElement>;
using Pointer = itk::SmartPointer<Self>;
using ConstPointer = itk::SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(TestImportImageContainer);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(TestImportImageContainer);
using typename Superclass::ElementIdentifier;
using typename Superclass::Element;
// Methods from itkObject
virtual ~TestImportImageContainer()
{
itkTotalMemoryUsed -= m_TotalSize;
m_TotalSize = 0;
DeallocateManagedMemory();
}
TestImportImageContainer()
: m_TotalSize(0)
{}
protected:
TElement *
AllocateElements(ElementIdentifier size, bool) const override
{
std::cout << "TestImportImageContainer: Allocating " << size << " elements of type " << typeid(TElement).name()
<< " totaling " << sizeof(TElement) * size << " bytes" << std::endl;
TElement * data;
try
{
data = new Element[size];
}
catch (...)
{
// 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_MemoryAllocatedByTestImportImageContainer = true;
std::cout << "TestImportImageContainer: Total memory used is " << itkTotalMemoryUsed << " bytes" << std::endl;
return data;
}
void
DeallocateManagedMemory() override
{
std::cout << "TestImportImageContainer: Deallocating " << this->Capacity() << " elements of type "
<< typeid(TElement).name() << " totaling " << sizeof(TElement) * this->Capacity() << " bytes"
<< std::endl;
if (m_MemoryAllocatedByTestImportImageContainer)
{
delete[] this->GetImportPointer();
this->SetImportPointer(0);
this->SetCapacity(0);
this->SetSize(0);
}
else
{
Superclass::DeallocateManagedMemory();
}
std::cout << "TestImportImageContainer: Total memory used is " << itkTotalMemoryUsed << " bytes" << std::endl;
}
private:
mutable TElementIdentifier m_TotalSize;
mutable bool m_MemoryAllocatedByTestImportImageContainer{ false };
};
class ImportImageContainerFactory : public itk::ObjectFactoryBase
{
public:
ITK_DISALLOW_COPY_AND_MOVE(ImportImageContainerFactory);
using Self = ImportImageContainerFactory;
using Superclass = itk::ObjectFactoryBase;
using Pointer = itk::SmartPointer<Self>;
using ConstPointer = itk::SmartPointer<const Self>;
/** Class methods used to interface with the registered factories. */
const char *
GetITKSourceVersion() const override
{
return ITK_SOURCE_VERSION;
}
const char *
GetDescription() const override
{
return "A Factory for ImportImageContainer";
}
/** Method for class instantiation. */
itkFactorylessNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(ImportImageContainerFactory);
/** Register one factory of this type */
static void
RegisterOneFactory()
{
auto factory = ImportImageContainerFactory::New();
itk::ObjectFactoryBase::RegisterFactory(factory);
}
private:
#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(long long);
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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