/usr/include/ITK-4.5/itkNthElementImageAdaptor.h is in libinsighttoolkit4-dev 4.5.0-3.
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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 __itkNthElementImageAdaptor_h
#define __itkNthElementImageAdaptor_h
#include "itkImageAdaptor.h"
#include "itkNthElementPixelAccessor.h"
namespace itk
{
/** \class NthElementImageAdaptor
* \brief Presents an image as being composed of the N-th element of its pixels
*
* It assumes that the pixels are of container type and have in their API
* an operator[]( unsigned int ) defined.
*
* Additional casting is performed according to the input and output image
* types following C++ default casting rules.
*
* \ingroup ImageAdaptors
* \ingroup ITKImageAdaptors
*
* \wiki
* \wikiexample{ImageProcessing/NthElementImageAdaptor,Extract a component/channel of an itkImage with pixels with multiple components}
* \wikiexample{ImageProcessing/ProcessingNthImageElement,Process the nth component/element/channel of a vector image}
* \endwiki
*/
// Create a helper class to help the SunPro CC compiler
// parse the templates for the NthElementImageAdaptor.
// This is used to define the Super class. for NthElementImageAdaptor
template< typename TImage, typename TOutputPixelType >
class NthElementImageAdaptorHelper
{
public:
typedef NthElementPixelAccessor<
TOutputPixelType,
typename TImage::PixelType > PixelAccessor;
typedef ImageAdaptor< TImage, PixelAccessor > Super;
};
template< typename TImage, typename TOutputPixelType >
class NthElementImageAdaptor:
public NthElementImageAdaptorHelper< TImage, TOutputPixelType >::Super
{
public:
/** Standard class typedefs. */
typedef NthElementImageAdaptor Self;
typedef typename NthElementImageAdaptorHelper< TImage, TOutputPixelType >::Super Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(NthElementImageAdaptor, ImageAdaptor);
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Select the element number to be accessed */
void SelectNthElement(unsigned int nth)
{
this->GetPixelAccessor().SetElementNumber(nth);
this->Modified();
}
protected:
NthElementImageAdaptor() {}
virtual ~NthElementImageAdaptor() {}
private:
NthElementImageAdaptor(const Self &); //purposely not implemented
void operator=(const Self &); //purposely not implemented
};
} // end namespace itk
#endif
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