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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkPasteImageFilter.h
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkPasteImageFilter_h
#define __itkPasteImageFilter_h
#include "itkInPlaceImageFilter.h"
#include "itkSmartPointer.h"
namespace itk
{
/** \class PasteImageFilter
* \brief Paste an image into another image
*
* PasteImageFilter allows you to take a section of one image and
* paste into another image. The SetDestinationIndex() method
* prescribes where in the first input to start pasting data from the
* second input. The SetSourceRegion method prescribes the section of
* the second image to paste into the first. If the output requested
* region does not have include the SourceRegion after it has been
* repositioned to DestinationIndex, then the output will just be
* a copy of the input.
*
* The two inputs and output image will have the same pixel type.
*
* \ingroup GeometricTransforms
*/
template <class TInputImage, class TSourceImage=TInputImage, class TOutputImage=TInputImage>
class ITK_EXPORT PasteImageFilter:
public InPlaceImageFilter<TInputImage,TOutputImage>
{
public:
/** Standard class typedefs. */
typedef PasteImageFilter Self;
typedef InPlaceImageFilter<TInputImage,TOutputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(PasteImageFilter, InPlaceImageFilter);
/** Typedefs from Superclass */
typedef typename Superclass::InputImagePointer InputImagePointer;
typedef typename Superclass::OutputImagePointer OutputImagePointer;
/** Typedef to describe the output and input image region types. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef TSourceImage SourceImageType;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename SourceImageType::RegionType SourceImageRegionType;
typedef typename SourceImageType::Pointer SourceImagePointer;
typedef typename SourceImageType::ConstPointer SourceImageConstPointer;
/** Typedef to describe the type of pixel. */
typedef typename OutputImageType::PixelType OutputImagePixelType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef typename SourceImageType::PixelType SourceImagePixelType;
/** Typedef to describe the output and input image index and size types. */
typedef typename OutputImageType::IndexType OutputImageIndexType;
typedef typename OutputImageType::SizeType OutputImageSizeType;
typedef typename InputImageType::IndexType InputImageIndexType;
typedef typename InputImageType::SizeType InputImageSizeType;
typedef typename SourceImageType::IndexType SourceImageIndexType;
typedef typename SourceImageType::SizeType SourceImageSizeType;
/** ImageDimension enumeration */
itkStaticConstMacro(InputImageDimension, unsigned int,
InputImageType::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
OutputImageType::ImageDimension);
itkStaticConstMacro(SourceImageDimension, unsigned int,
SourceImageType::ImageDimension);
/** Set/Get the destination index (where in the first input the second
* input will be pasted. */
itkSetMacro(DestinationIndex, InputImageIndexType);
itkGetConstMacro(DestinationIndex, InputImageIndexType);
/** Set/Get the source region (what part of the second input will be
* pasted. */
itkSetMacro(SourceRegion, SourceImageRegionType);
itkGetConstMacro(SourceRegion, SourceImageRegionType);
/** Set/Get the "destination" image. This is the image that will be
* obscured by the paste operation. */
void SetDestinationImage(const InputImageType *dest);
const InputImageType * GetDestinationImage() const;
/** Set/Get the "source" image. This is the image that will be
* pasted over the destination image. */
void SetSourceImage(const SourceImageType *src);
const SourceImageType * GetSourceImage() const;
/** PasteImageFilter needs to set the input requested regions for its
* inputs. The first input's requested region will be set to match
* the output requested region. The second input's requested region
* will be set to the value of the m_SourceRegion ivar. Note that
* if the output requested region is a portion of the image that
* is outside the DestinationIndex + size of the source region,
* then the first input is copied to the output.
*
* \sa ProcessObject::GenerateInputRequestedRegion() */
virtual void GenerateInputRequestedRegion();
protected:
PasteImageFilter();
~PasteImageFilter() {};
void PrintSelf(std::ostream& os, Indent indent) const;
/** PasteImageFilter 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,
int threadId );
SourceImageRegionType m_SourceRegion;
InputImageIndexType m_DestinationIndex;
private:
PasteImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkPasteImageFilter.txx"
#endif
#endif
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