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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 itkBoxImageFilter_hxx
#define itkBoxImageFilter_hxx
#include "itkProgressAccumulator.h"
namespace itk
{
template <typename TInputImage, typename TOutputImage>
BoxImageFilter<TInputImage, TOutputImage>::BoxImageFilter()
{
m_Radius.Fill(1); // a good arbitrary starting point
}
template <typename TInputImage, typename TOutputImage>
void
BoxImageFilter<TInputImage, TOutputImage>::SetRadius(const RadiusType & radius)
{
if (m_Radius != radius)
{
m_Radius = radius;
this->Modified();
}
}
template <typename TInputImage, typename TOutputImage>
void
BoxImageFilter<TInputImage, TOutputImage>::SetRadius(const RadiusValueType & radius)
{
RadiusType rad;
rad.Fill(radius);
this->SetRadius(rad);
}
template <typename TInputImage, typename TOutputImage>
void
BoxImageFilter<TInputImage, TOutputImage>::GenerateInputRequestedRegion()
{
// call the superclass' implementation of this method
Superclass::GenerateInputRequestedRegion();
// get pointers to the input and output
typename Superclass::InputImagePointer inputPtr = const_cast<TInputImage *>(this->GetInput());
if (!inputPtr)
{
return;
}
// get a copy of the input requested region (should equal the output
// requested region)
typename TInputImage::RegionType inputRequestedRegion;
inputRequestedRegion = inputPtr->GetRequestedRegion();
// pad the input requested region by the operator radius
inputRequestedRegion.PadByRadius(m_Radius);
// crop the input requested region at the input's largest possible region
if (inputRequestedRegion.Crop(inputPtr->GetLargestPossibleRegion()))
{
inputPtr->SetRequestedRegion(inputRequestedRegion);
return;
}
else
{
// Couldn't crop the region (requested region is outside the largest
// possible region). Throw an exception.
// store what we tried to request (prior to trying to crop)
inputPtr->SetRequestedRegion(inputRequestedRegion);
// build an exception
InvalidRequestedRegionError e(__FILE__, __LINE__);
std::ostringstream msg;
msg << static_cast<const char *>(this->GetNameOfClass()) << "::GenerateInputRequestedRegion()";
e.SetLocation(msg.str().c_str());
e.SetDescription("Requested region is (at least partially) outside the largest possible region.");
e.SetDataObject(inputPtr);
throw e;
}
}
template <typename TInputImage, typename TOutputImage>
void
BoxImageFilter<TInputImage, TOutputImage>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Radius: " << m_Radius << std::endl;
}
} // namespace itk
#endif
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