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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 itkNoiseBaseImageFilter_hxx
#define itkNoiseBaseImageFilter_hxx
#include "itkNoiseBaseImageFilter.h"
#include <ctime>
namespace itk
{
template <class TInputImage, class TOutputImage>
NoiseBaseImageFilter<TInputImage, TOutputImage>
::NoiseBaseImageFilter()
: m_Seed(0)
{
Self::SetSeed();
this->InPlaceOff();
}
template <class TInputImage, class TOutputImage>
NoiseBaseImageFilter<TInputImage, TOutputImage>
::~NoiseBaseImageFilter()
{
}
template <class TInputImage, class TOutputImage>
void
NoiseBaseImageFilter<TInputImage, TOutputImage>
::SetSeed()
{
time_t t;
time(&t);
this->SetSeed(Hash(t,clock() ) );
}
template <class TInputImage, class TOutputImage>
typename NoiseBaseImageFilter<TInputImage, TOutputImage>::OutputImagePixelType
NoiseBaseImageFilter<TInputImage, TOutputImage>
::ClampCast(const double &value)
{
if (value >= (double)NumericTraits<OutputImagePixelType>::max() )
{
return NumericTraits<OutputImagePixelType>::max();
}
else if(value <= (double)NumericTraits<OutputImagePixelType>::NonpositiveMin() )
{
return NumericTraits<OutputImagePixelType>::NonpositiveMin();
}
else if (NumericTraits<OutputImagePixelType>::is_integer)
{
return Math::Round<OutputImagePixelType>(value);
}
else
{
return static_cast<OutputImagePixelType>(value);
}
}
template <class TInputImage, class TOutputImage>
void
NoiseBaseImageFilter<TInputImage, TOutputImage>
::PrintSelf(std::ostream &os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Seed: "
<< static_cast<typename NumericTraits<uint32_t>::PrintType>( m_Seed ) << std::endl;
}
} // end namespace itk
#endif
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