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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkFloodFilledSpatialFunctionConditionalConstIterator.h,v $
Language: C++
Date: $Date: 2007-02-05 13:35:52 $
Version: $Revision: 1.8 $
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 __itkFloodFilledSpatialFunctionConditionalConstIterator_h
#define __itkFloodFilledSpatialFunctionConditionalConstIterator_h
#include "itkFloodFilledFunctionConditionalConstIterator.h"
namespace itk
{
/**
* \class FloodFilledSpatialFunctionConditionalConstIterator
* \brief Iterates over a flood-filled spatial function.
*
* \ingroup ImageIterators
*
*/
template<class TImage, class TFunction>
class ITK_EXPORT FloodFilledSpatialFunctionConditionalConstIterator: public FloodFilledFunctionConditionalConstIterator<TImage, TFunction>
{
public:
/** Standard class typedefs. */
typedef FloodFilledSpatialFunctionConditionalConstIterator Self;
typedef FloodFilledFunctionConditionalConstIterator<TImage, TFunction> Superclass;
/** Type of function */
typedef typename Superclass::FunctionType FunctionType;
/** Type of vector used to store location info in the spatial function */
typedef typename Superclass::FunctionInputType FunctionInputType;
/** Index typedef support. */
typedef typename Superclass::IndexType IndexType;
/** Size typedef support. */
typedef typename Superclass::SizeType SizeType;
/** Region typedef support */
typedef typename Superclass::RegionType RegionType;
/** Image typedef support. */
typedef typename Superclass::ImageType ImageType;
/** Internal Pixel Type */
typedef typename Superclass::InternalPixelType InternalPixelType;
/** External Pixel Type */
typedef typename Superclass::PixelType PixelType;
/** Constructor establishes an iterator to walk a particular image and a
* particular region of that image. This version of the constructor uses
* an explicit seed pixel for the flood fill, the "startIndex" */
FloodFilledSpatialFunctionConditionalConstIterator(const ImageType *imagePtr,
FunctionType *fnPtr,
IndexType startIndex);
/** Constructor establishes an iterator to walk a particular image and a
* particular region of that image. This version of the constructor
* should be used when the seed pixel is unknown. */
FloodFilledSpatialFunctionConditionalConstIterator(const ImageType *imagePtr,
FunctionType *fnPtr);
/** Default Destructor. */
virtual ~FloodFilledSpatialFunctionConditionalConstIterator() {};
/** Compute whether the index of interest should be included in the flood */
bool IsPixelIncluded(const IndexType & index) const;
/** Set the inclusion strategy to origin */
void SetOriginInclusionStrategy() { m_InclusionStrategy = 0; }
/** Set the inclusion strategy to center */
void SetCenterInclusionStrategy() { m_InclusionStrategy = 1; }
/** Set the inclusion strategy to complete */
void SetCompleteInclusionStrategy() { m_InclusionStrategy = 2; }
/** Set the inclusion strategy to intersect */
void SetIntersectInclusionStrategy() { m_InclusionStrategy = 3; }
protected: //made protected so other iterators can access
/** How the pixel (index) is examined in order to decide whether or not
* it's included. The strategies are:
* 0) Origin: if the origin of the pixel in physical space is inside the function,
* then the pixel is inside the function
* 1) Center: if the center of a pixel, in physical space, is inside the function,
* then the pixel is inside the function
* 2) Complete: if all of the corners of the pixel in physical space are inside the function,
* then the pixel is inside the function
* 3) Intersect: if any of the corners of the pixel in physical space are inside the function,
* then the pixel is inside the function */
unsigned char m_InclusionStrategy;
};
} // end namespace itk
// Define instantiation macro for this template.
#define ITK_TEMPLATE_FloodFilledSpatialFunctionConditionalConstIterator(_, EXPORT, x, y) namespace itk { \
_(2(class EXPORT FloodFilledSpatialFunctionConditionalConstIterator< ITK_TEMPLATE_2 x >)) \
namespace Templates { typedef FloodFilledSpatialFunctionConditionalConstIterator< ITK_TEMPLATE_2 x > \
FloodFilledSpatialFunctionConditionalConstIterator##y; } \
}
#if ITK_TEMPLATE_EXPLICIT
# include "Templates/itkFloodFilledSpatialFunctionConditionalConstIterator+-.h"
#endif
#if ITK_TEMPLATE_TXX
# include "itkFloodFilledSpatialFunctionConditionalConstIterator.txx"
#endif
#endif
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