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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 "itkPolyLineParametricPath.h"
#include "itkPathToImageFilter.h"
#include "itkMath.h"
#include "itkTestingMacros.h"
int itkPathToImageFilterTest( int, char* [] )
{
const unsigned int Dimension = 2;
typedef double PixelType;
typedef itk::Image< PixelType, Dimension > ImageType;
typedef itk::PolyLineParametricPath< Dimension > PolyLineParametricPathType;
typedef PolyLineParametricPathType::VertexType VertexType;
typedef itk::PathToImageFilter< PolyLineParametricPathType, ImageType >
PathToImageFilterType;
// Set up the path
PolyLineParametricPathType::Pointer path = PolyLineParametricPathType::New();
EXERCISE_BASIC_OBJECT_METHODS( path, PolyLineParametricPath, ParametricPath );
std::cout << "Making a square Path with v0 at (30,30) and v2 at (33,33)" << std::endl;
VertexType v;
v.Fill( 30 );
path->AddVertex( v );
v[0] = 33;
v[1] = 30;
path->AddVertex( v );
v.Fill( 33 );
path->AddVertex( v );
v[0] = 30;
v[1] = 33;
path->AddVertex( v );
v.Fill( 30 );
path->AddVertex( v );
PathToImageFilterType::Pointer pathToImageFilter =
PathToImageFilterType::New();
EXERCISE_BASIC_OBJECT_METHODS( pathToImageFilter, PathToImageFilter,
ImageSource );
pathToImageFilter->SetInput( path );
PathToImageFilterType::ValueType pathValue = 1;
pathToImageFilter->SetPathValue( pathValue );
TEST_SET_GET_VALUE( pathValue, pathToImageFilter->GetPathValue() );
PathToImageFilterType::ValueType backgroundValue = 0;
pathToImageFilter->SetBackgroundValue( backgroundValue );
TEST_SET_GET_VALUE( backgroundValue, pathToImageFilter->GetBackgroundValue() );
ImageType::SizeType size;
size[0] = 256;
size[1] = 256;
pathToImageFilter->SetSize( size );
TEST_SET_GET_VALUE( size, pathToImageFilter->GetSize() );
// Test spacing
//
double pathImageSpacing[2];
for( unsigned int i = 0; i < ImageType::ImageDimension; ++i )
{
pathImageSpacing[i] = 1.0;
}
pathToImageFilter->SetSpacing( pathImageSpacing );
const double* spacing_result = pathToImageFilter->GetSpacing();
for( unsigned int i = 0; i < ImageType::ImageDimension; ++i )
{
if( spacing_result[i] != 1.0 )
{
std::cout << "[FAILURE]" << std::endl;
return EXIT_FAILURE;
}
}
// Test origin
//
double origin_double[2];
for( unsigned int i = 0; i < 2; ++i )
{
origin_double[i] = 0.0;
}
pathToImageFilter->SetOrigin(origin_double);
const double* origin_result = pathToImageFilter->GetOrigin();
for( unsigned int i = 0; i < ImageType::ImageDimension; ++i )
{
if( origin_result[i] != 0.0 )
{
std::cout << "[FAILURE]" << std::endl;
return EXIT_FAILURE;
}
}
// Update the filter
TRY_EXPECT_NO_EXCEPTION( pathToImageFilter->Update() );
ImageType::Pointer image = pathToImageFilter->GetOutput();
// Test the output image
//
ImageType::IndexType index;
// Test only pixels on or in the path
for( int i = 0; i <= 3; ++i )
{
for( int j = 0; j <= 3; ++j )
{
double targetValue;
index[0] = 30 + i;
index[1] = 30 + j;
if( 0 < i && i < 3 && 0 < j && j < 3 )
{
// Inside the closed path, but not on it
targetValue = 0;
}
else
{
// On the path
targetValue=1;
}
if( itk::Math::NotAlmostEquals( image->GetPixel(index), targetValue) )
{
std::cout << "[FAILURE]" << std::endl;
return EXIT_FAILURE;
}
}
}
std::cout << "Test finished" << std::endl;
return EXIT_SUCCESS;
}
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