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/*
*
* Copyright (C) 2001-2005 Ichiro Fujinaga, Michael Droettboom, and Karl MacMillan
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef kwm01022002_image_view_iterators_hpp
#define kwm01022002_image_view_iterators_hpp
#include "accessor.hpp"
#include "iterator_base.hpp"
namespace Gamera {
namespace ImageViewDetail {
template<class Image, class T> class ColIterator;
template<class Image, class T>
class RowIterator : public RowIteratorBase<Image, RowIterator<Image, T>, T> {
public:
using RowIteratorBase<Image, RowIterator<Image, T>, T>::m_iterator;
using RowIteratorBase<Image, RowIterator<Image, T>, T>::m_image;
// Typedefs for rows
typedef ColIterator<Image, T> iterator;
// Convenience typedefs
typedef RowIterator self;
typedef RowIteratorBase<Image, self, T> base;
typedef typename base::value_type value_type;
typedef ImageAccessor<value_type> accessor;
// Constructor
RowIterator(Image* image, const T iterator) : base(image, iterator) { }
RowIterator() { }
typename base::reference operator*() const {
return *m_iterator;
}
typename base::pointer operator->() const {
return &*m_iterator;
}
value_type get() const {
return m_accessor(m_iterator);
}
void set(const value_type& v) {
m_accessor.set(v, m_iterator);
}
iterator begin() const {
return iterator(m_image, m_iterator);
}
iterator end() const {
return iterator(m_image, m_iterator + m_image->ncols());
}
private:
accessor m_accessor;
};
template<class Image, class T>
class ColIterator : public ColIteratorBase<Image, ColIterator<Image, T>, T> {
public:
using ColIteratorBase<Image, ColIterator<Image, T>, T>::m_iterator;
using ColIteratorBase<Image, ColIterator<Image, T>, T>::m_image;
// Typedefs for Cols
typedef RowIterator<Image, T> iterator;
// Convenience typedefs
typedef ColIterator self;
typedef ColIteratorBase<Image, self, T> base;
typedef typename base::value_type value_type;
typedef ImageAccessor<value_type> accessor;
// Constructor
ColIterator(Image* image, const T iterator) : base(image, iterator) { }
ColIterator() { }
typename base::reference operator*() const {
return *m_iterator;
}
typename base::pointer operator->() const {
return &*m_iterator;
}
// Image specific
value_type get() const {
return m_accessor(m_iterator);
}
void set(const value_type& v) {
m_accessor.set(v, m_iterator);
}
iterator begin() const {
return iterator(m_image, m_iterator);
}
iterator end() const {
return iterator(m_image, m_iterator) + m_image->nrows();
}
private:
accessor m_accessor;
};
template<class Image, class T> class ConstColIterator;
template<class Image, class T>
class ConstRowIterator : public RowIteratorBase<Image, ConstRowIterator<Image, T>, T> {
public:
using RowIteratorBase<Image, ConstRowIterator<Image, T>, T>::m_iterator;
using RowIteratorBase<Image, ConstRowIterator<Image, T>, T>::m_image;
// Typedefs for rows
typedef ConstColIterator<Image, T> iterator;
// Convenience typedefs
typedef ConstRowIterator self;
typedef RowIteratorBase<Image, self, T> base;
typedef typename base::value_type value_type;
typedef ImageAccessor<value_type> accessor;
// Constructor
ConstRowIterator(Image* image, const T iterator) : base(image, iterator) { }
ConstRowIterator() { }
typename Image::value_type operator*() const {
return *m_iterator;
}
typename base::pointer operator->() const {
return &*m_iterator;
}
value_type get() const {
return m_accessor(m_iterator);
}
iterator begin() const {
return iterator(m_image, m_iterator);
}
iterator end() const {
return iterator(m_image, m_iterator + m_image->ncols());
}
private:
accessor m_accessor;
};
template<class Image, class T>
class ConstColIterator : public ColIteratorBase<Image, ConstColIterator<Image, T>, T> {
public:
using ColIteratorBase<Image, ConstColIterator<Image, T>, T>::m_iterator;
using ColIteratorBase<Image, ConstColIterator<Image, T>, T>::m_image;
// Typedefs for Cols
typedef ConstRowIterator<Image, T> iterator;
// Convenience typedefs
typedef ConstColIterator self;
typedef ColIteratorBase<Image, self, T> base;
typedef typename base::value_type value_type;
typedef ImageAccessor<value_type> accessor;
// Constructor
ConstColIterator(Image* image, const T iterator) : base(image, iterator) { }
ConstColIterator() { }
typename Image::value_type operator*() const {
return *m_iterator;
}
typename base::pointer operator->() const {
return &*m_iterator;
}
// Image specific
value_type get() const {
return m_accessor(m_iterator);
}
iterator begin() const {
return iterator(m_image, m_iterator);
}
iterator end() const {
return iterator(m_image, m_iterator) + m_image->nrows();
}
private:
accessor m_accessor;
};
template<class Image, class Row, class Col>
class VecIterator : public VecIteratorBase<Image, Row, Col,
VecIterator<Image, Row, Col> > {
public:
using VecIteratorBase<Image, Row, Col, VecIterator<Image, Row, Col> >::m_coliterator;
typedef VecIterator self;
typedef VecIteratorBase<Image, Row, Col, self> base;
typedef typename base::value_type value_type;
typedef ImageAccessor<value_type> accessor;
// Constructor
VecIterator(const Row iterator) : base(iterator) { }
VecIterator() { }
// Operators
typename base::reference operator*() const { return *m_coliterator; }
typename base::pointer operator->() const { return &*m_coliterator; }
value_type get() const {
return m_accessor(m_coliterator);
}
void set(const value_type& v) {
m_accessor.set(v, m_coliterator);
}
private:
accessor m_accessor;
};
template<class Image, class Row, class Col>
class ConstVecIterator : public VecIteratorBase<Image, Row, Col,
ConstVecIterator<Image, Row, Col> > {
public:
using VecIteratorBase<Image, Row, Col, ConstVecIterator<Image, Row, Col> >::m_coliterator;
typedef ConstVecIterator self;
typedef VecIteratorBase<Image, Row, Col, self> base;
typedef typename base::value_type value_type;
typedef ImageAccessor<value_type> accessor;
// Constructor
ConstVecIterator(const Row iterator) : base(iterator) { }
ConstVecIterator() { }
// Operators
typename Image::value_type operator*() const { return *m_coliterator; }
typename base::pointer operator->() const { return &*m_coliterator; }
value_type get() const {
return m_accessor(m_coliterator);
}
private:
accessor m_accessor;
};
} // namespace
} // namespace
#endif
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