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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.
*
*=========================================================================*/
#ifndef itkLabelMapToRGBImageFilter_hxx
#define itkLabelMapToRGBImageFilter_hxx
#include "itkLabelMapToRGBImageFilter.h"
#include "itkNumericTraits.h"
#include "itkProgressReporter.h"
#include "itkImageRegionConstIteratorWithIndex.h"
namespace itk {
template <typename TInputImage, typename TOutputImage>
LabelMapToRGBImageFilter<TInputImage, TOutputImage>
::LabelMapToRGBImageFilter()
{
}
template<typename TInputImage, typename TOutputImage>
void
LabelMapToRGBImageFilter<TInputImage, TOutputImage>
::BeforeThreadedGenerateData()
{
OutputImageType * output = this->GetOutput();
const InputImageType * input = this->GetInput();
FunctorType function( m_Functor );
function.SetBackgroundValue( input->GetBackgroundValue() );
output->FillBuffer( function( input->GetBackgroundValue() ) );
Superclass::BeforeThreadedGenerateData();
}
template<typename TInputImage, typename TOutputImage>
void
LabelMapToRGBImageFilter<TInputImage, TOutputImage>
::ThreadedProcessLabelObject( LabelObjectType * labelObject )
{
const typename LabelObjectType::LabelType & label = labelObject->GetLabel();
const InputImageType * input = this->GetInput();
FunctorType function(m_Functor);
function.SetBackgroundValue( input->GetBackgroundValue() );
typename LabelObjectType::ConstIndexIterator it( labelObject );
TOutputImage *outputImage = this->GetOutput();
while( ! it.IsAtEnd() )
{
const IndexType idx = it.GetIndex();
outputImage->SetPixel( idx, function( label ) );
++it;
}
}
template<typename TInputImage, typename TOutputImage>
void
LabelMapToRGBImageFilter<TInputImage, TOutputImage>
::GenerateOutputInformation()
{
// this methods is overloaded so that if the output image is a
// VectorImage then the correct number of components are set.
Superclass::GenerateOutputInformation();
OutputImageType* output = this->GetOutput();
if ( !output )
{
return;
}
if ( output->GetNumberOfComponentsPerPixel() != 3 )
{
output->SetNumberOfComponentsPerPixel( 3 );
}
}
}// end namespace itk
#endif
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