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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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
*
* http://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 <iostream>
#include "itkShiftScaleImageFilter.h"
#include "itkShiftScaleInPlaceImageFilter.h"
#include "itkRandomImageSource.h"
#include "itkFilterWatcher.h"
class ShiftScaleInPlaceFilterWatcher : public FilterWatcher
{
public:
ShiftScaleInPlaceFilterWatcher(itk::ProcessObject* o, std::string name)
: FilterWatcher(o), m_Name( name ) {};
virtual void StartFilter() ITK_OVERRIDE
{
m_Start = ::clock();
std::cout << "-------- Start " << m_Process->GetNameOfClass()
<< " (" << m_Name << ")"
<< std::endl
<< std::flush;
}
virtual void EndFilter() ITK_OVERRIDE
{
m_End = ::clock();
std::cout << "-------- End " << m_Process->GetNameOfClass()
<< " (" << m_Name << ")";
std::cout << std::endl;
}
virtual void ShowProgress() ITK_OVERRIDE {}
std::string m_Name;
};
int itkShiftScaleInPlaceImageFilterTest(int, char* [] )
{
int status = 0;
typedef itk::Image<char,3> TestInputImage;
typedef itk::Image<char,3> TestOutputImage;
// Now generate a real image
typedef itk::RandomImageSource<TestInputImage> SourceType;
SourceType::Pointer source = SourceType::New();
TestInputImage::SizeValueType randomSize[3] = {17, 8, 20};
// Set up Start, End and Progress callbacks
ShiftScaleInPlaceFilterWatcher sourceWatch(source, "source");
// Set up source
source->SetSize(randomSize);
double minValue = -10.0;
double maxValue = 10.0;
source->SetMin( static_cast< TestInputImage::PixelType >( minValue ) );
source->SetMax( static_cast< TestInputImage::PixelType >( maxValue ) );
// Define two standard shift scale filters so we can check whether the
// in place filtering works
typedef itk::ShiftScaleImageFilter<TestInputImage,TestOutputImage> FilterType;
FilterType::Pointer zeroFilter = FilterType::New();
ShiftScaleInPlaceFilterWatcher zeroFilterWatch(zeroFilter, "zeroFilter");
zeroFilter->SetInput(source->GetOutput());
zeroFilter->SetScale(0.0);
FilterType::Pointer filter = FilterType::New();
ShiftScaleInPlaceFilterWatcher filterWatch(filter, "filter");
filter->SetInput(zeroFilter->GetOutput());
filter->SetShift(20);
// Define two consumers of the shift scale filter, one another shift scale
// and the other an in place shift scale
typedef itk::ShiftScaleInPlaceImageFilter<TestInputImage> InPlaceFilterType;
InPlaceFilterType::Pointer inPlaceFilter = InPlaceFilterType::New();
ShiftScaleInPlaceFilterWatcher inPlaceWatch(inPlaceFilter, "inPlaceFilter");
inPlaceFilter->SetInput( filter->GetOutput() );
inPlaceFilter->SetShift( 100 );
FilterType::Pointer secondFilter = FilterType::New();
ShiftScaleInPlaceFilterWatcher secondFilterWatch( secondFilter, "secondFilter" );
secondFilter->SetInput( filter->GetOutput() );
secondFilter->SetShift( 50 );
// Test itkSetMacros and itkGetMacros
inPlaceFilter->GetShift();
//SetScale();
inPlaceFilter->GetScale();
long value = inPlaceFilter->GetUnderflowCount();
std::cout << "inPlaceFilter->GetUnderflowCount(): " << value << std::endl;
long value2 = inPlaceFilter-> GetOverflowCount();
std::cout << "inPlaceFilter->GetOverflowCount(): " << value2 << std::endl;
try
{
// update the in place filter
std::cout << "=========== Updating the in place filter. ==============="
<< std::endl;
inPlaceFilter->UpdateLargestPossibleRegion();
std::cout << std::endl << std::endl;
std::cout << "=========== Updating the second filter. This should cause the first filter to re-execute ==============="
<< std::endl;
secondFilter->UpdateLargestPossibleRegion();
std::cout << std::endl << std::endl;
// check the images
itk::Index<3> index;
index.Fill( 5 );
if (filter->GetOutput()->GetPixel(index) != 20)
{
std::cout << "Filter pixel value = " << (int) filter->GetOutput()->GetPixel(index)
<< std::endl;
status |= 0x01;
}
if (inPlaceFilter->GetOutput()->GetPixel(index) != 120)
{
std::cout << "In place filter pixel value = " << (int) inPlaceFilter->GetOutput()->GetPixel(index)
<< std::endl;
status |= 0x02;
}
if (secondFilter->GetOutput()->GetPixel(index) != 70)
{
std::cout << "Second filter pixel value = " << (int) secondFilter->GetOutput()->GetPixel(index)
<< std::endl;
status |= 0x04;
}
std::cout << "=========== Updating the in place filter again. This should only update the in place filter. ==============="
<< std::endl;
inPlaceFilter->UpdateLargestPossibleRegion();
std::cout << std::endl << std::endl;
if (filter->GetOutput()->GetPixelContainer()->Size() != 0)
{
std::cout << "Filter still has an input!" << std::endl;
status |= 0x08;
}
if (inPlaceFilter->GetOutput()->GetPixel(index) != 120)
{
std::cout << "In place filter pixel value = " << (int) inPlaceFilter->GetOutput()->GetPixel(index)
<< std::endl;
status |= 0x10;
}
if (secondFilter->GetOutput()->GetPixel(index) != 70)
{
std::cout << "Second filter pixel value = " << (int) secondFilter->GetOutput()->GetPixel(index)
<< std::endl;
status |= 0x20;
}
}
catch (itk::ExceptionObject& e)
{
std::cerr << "Exception detected: " << e;
return -1;
}
std::cout << "Status = " << status << std::endl;
return status;
}
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