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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 itkTwoOutputExampleImageFilter_h
#define itkTwoOutputExampleImageFilter_h
#if !defined( ITK_LEGACY_REMOVE )
#include "itkImageToImageFilter.h"
namespace itk
{
/** \class TwoOutputExampleImageFilter
* \brief Example of a filter that produce two outputs.
*
* TwoOutputExampleImageFilter sets image values to a user-specified "outside"
* value (by default, "black") if the image values are below, above, or
* between simple threshold values. The filter can produce two outputs,
* one the inverse of the other. (GetOutput() returns an image whose
* pixels satisfy the threshold values and are passed to the output
* unchanged (and those that don't are marked with the outside user-value);
* GetInverseOutput() returns an image in which pixels satisfying the
* threshold are marked "outside", and the other pixel values are passed
* through.)
*
* The pixels must support the operators >= and <=.
*
* \deprecated
* \ingroup ITKDeprecated
* \ingroup IntensityImageFilters
* \ingroup MultiThreaded
*/
template< typename TImage >
class ITK_TEMPLATE_EXPORT TwoOutputExampleImageFilter:
public ImageToImageFilter< TImage, TImage >
{
public:
/** Standard class typedefs. */
typedef TwoOutputExampleImageFilter Self;
typedef ImageToImageFilter< TImage, TImage > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Typedef to describe the type of pixel. */
typedef typename TImage::PixelType PixelType;
/** Run-time type information (and related methods). */
itkTypeMacro(TwoOutputExampleImageFilter, ImageToImageFilter);
/** Set the "outside" pixel value. The default value
* NumericTraits<PixelType>::ZeroValue(). */
itkSetMacro(OutsideValue, PixelType);
/** Get the "outside" pixel value. */
itkGetConstMacro(OutsideValue, PixelType);
/** The values greater than or equal to the value are set to OutsideValue. */
void ThresholdAbove(PixelType & thresh);
/** The values less than or equal to the value are set to OutsideValue. */
void ThresholdBelow(PixelType & thresh);
/** The values outside the range are set to OutsideValue. */
void ThresholdOutside(PixelType & lower, PixelType & upper);
typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
/** Some typedefs to handle the second output. */
typedef TImage OutputImageType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename OutputImageType::PixelType OutputImagePixelType;
/** Get the image output of this process object. */
OutputImagePointer GetInverseOutput()
{ return static_cast< TImage * >( this->ProcessObject::GetOutput(1) ); }
/** Set the image output of this process object. */
void SetInverseOutput(OutputImageType *output)
{ this->SetNthOutput(1, output); }
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro( ComparableCheck,
( Concept::Comparable< PixelType > ) );
itkConceptMacro( OStreamWritableCheck,
( Concept::OStreamWritable< PixelType > ) );
// Begin concept checking
#endif
protected:
TwoOutputExampleImageFilter();
~TwoOutputExampleImageFilter() {}
void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
/** TwoOutputExampleImageFilter can be implemented as a multithreaded filter.
* Therefore, this implementation provides a ThreadedGenerateData() routine
* which is called for each processing thread. The output image data is
* allocated automatically by the superclass prior to calling
* ThreadedGenerateData(). ThreadedGenerateData can only write to the
* portion of the output image specified by the parameter
* "outputRegionForThread"
*
* \sa ImageToImageFilter::ThreadedGenerateData(),
* ImageToImageFilter::GenerateData() */
void ThreadedGenerateData(const OutputImageRegionType & outputRegionForThread,
ThreadIdType threadId) ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(TwoOutputExampleImageFilter);
PixelType m_OutsideValue;
PixelType m_Lower;
PixelType m_Upper;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkTwoOutputExampleImageFilter.hxx"
#endif
#endif //#if !defined( ITK_LEGACY_REMOVE )
#endif
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