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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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSimpleFilterWatcher.h"
#include "itkLabelImageToLabelMapFilter.h"
#include "itkLabelMapMaskImageFilter.h"
#include "itkTestingMacros.h"
int itkLabelMapMaskImageFilterTest( int argc, char * argv[] )
{
if( argc != 9 )
{
std::cerr << "usage: " << argv[0] << " labelImage input output label bg neg crop cropBorder" << std::endl;
return EXIT_FAILURE;
}
const unsigned int Dimension = 3;
// Declare the pixel type
typedef unsigned char PixelType;
// Declare the input image type
typedef itk::Image< PixelType, Dimension > ImageType;
// And the label object type to use. The input image is a label image, so the
// type of the label can be the same type than the pixel type. itk::LabelObject is
// chosen, because only the mask feature is tested here, so we don't need any
// attribute.
typedef itk::LabelObject< PixelType, Dimension > LabelObjectType;
typedef itk::LabelMap< LabelObjectType > LabelMapType;
// Read the label image and the input image to be masked.
typedef itk::ImageFileReader< ImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[1] );
ReaderType::Pointer reader2 = ReaderType::New();
reader2->SetFileName( argv[2] );
// Convert the label image to a label collection image.
typedef itk::LabelImageToLabelMapFilter< ImageType, LabelMapType> I2LType;
I2LType::Pointer i2l = I2LType::New();
i2l->SetInput( reader->GetOutput() );
//i2l->SetUseBackground( true );
// Then mask the image. Two inputs are required (the label collection image, and
// the image to be masked). The label used to mask the image is passed with the
// SetLabel() method. The background in the output image, where the image is masked,
// is passed with SetBackground(). The user can choose to mask the image outside the
// label object (that's the default behavior), or inside the label object with the
// chosen label, by calling SetNegated(). Finally, the image can be cropped to the
// masked region, by calling SetCrop( true ), or to a region padded by a border, by
// calling both SetCrop() and SetCropBorder(). The crop border defaults to 0, and the
// image is not cropped by default.
typedef itk::LabelMapMaskImageFilter< LabelMapType, ImageType > MaskFilterType;
MaskFilterType::Pointer maskFilter = MaskFilterType::New();
EXERCISE_BASIC_OBJECT_METHODS( maskFilter, LabelMapMaskImageFilter,
LabelMapFilter );
maskFilter->SetInput( i2l->GetOutput() );
maskFilter->SetFeatureImage( reader2->GetOutput() );
MaskFilterType::InputImagePixelType label = atoi( argv[4] );
maskFilter->SetLabel( label );
TEST_SET_GET_VALUE( label, maskFilter->GetLabel() );
MaskFilterType::OutputImagePixelType backgroundValue = atoi( argv[5] );
maskFilter->SetBackgroundValue( backgroundValue );
TEST_SET_GET_VALUE( backgroundValue, maskFilter->GetBackgroundValue() );
bool negated = static_cast< bool >(atoi( argv[6] ) );
maskFilter->SetNegated( negated );
TEST_SET_GET_VALUE( negated, maskFilter->GetNegated() );
if( negated )
{
maskFilter->NegatedOn();
TEST_SET_GET_VALUE( true, maskFilter->GetNegated() );
}
else
{
maskFilter->NegatedOff();
TEST_SET_GET_VALUE( false, maskFilter->GetNegated() );
}
bool crop = static_cast< bool >( atoi( argv[7] ) );
maskFilter->SetCrop( crop );
TEST_SET_GET_VALUE( crop, maskFilter->GetCrop() );
if( crop )
{
maskFilter->CropOn();
TEST_SET_GET_VALUE( true, maskFilter->GetCrop() );
}
else
{
maskFilter->CropOff();
TEST_SET_GET_VALUE( false, maskFilter->GetCrop() );
}
MaskFilterType::SizeType border;
border.Fill( atoi(argv[8]) );
maskFilter->SetCropBorder( border );
TEST_SET_GET_VALUE( border, maskFilter->GetCropBorder() );
itk::SimpleFilterWatcher watcher( maskFilter, "LabelMapMaskImageFilter" );
// Finally, save the output image.
typedef itk::ImageFileWriter< ImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( maskFilter->GetOutput() );
writer->SetFileName( argv[3] );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
return EXIT_SUCCESS;
}
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