step_iterator.hpp File Reference


Detailed Description

pixel step iterator

Author:
Lubomir Bourdev and Hailin Jin
Adobe Systems Incorporated
Date:
2005-2007
Last updated on September 18, 2007

#include <cstddef>
#include <iterator>
#include <boost/iterator/iterator_facade.hpp>
#include "gil_config.hpp"
#include "utilities.hpp"
#include "pixel_iterator.hpp"
#include "pixel_iterator_adaptor.hpp"

Go to the source code of this file.


Namespaces

namespace  boost
namespace  boost::gil
namespace  boost::gil::detail

Classes

class  step_iterator_adaptor
 An adaptor over an existing iterator that changes the step unit. More...
struct  memunit_step_fn
 function object that returns the memory unit distance between two iterators and advances a given iterator a given number of mem units (bytes or bits) More...
class  memory_based_step_iterator
 Iterator with dynamically specified step in memory units (bytes or bits). Models StepIteratorConcept, IteratorAdaptorConcept, MemoryBasedIteratorConcept, PixelIteratorConcept, HasDynamicXStepTypeConcept. More...

Functions

template<typename D, typename Iterator, typename SFn>
bool operator> (const step_iterator_adaptor< D, Iterator, SFn > &p1, const step_iterator_adaptor< D, Iterator, SFn > &p2)
template<typename D, typename Iterator, typename SFn>
bool operator< (const step_iterator_adaptor< D, Iterator, SFn > &p1, const step_iterator_adaptor< D, Iterator, SFn > &p2)
template<typename D, typename Iterator, typename SFn>
bool operator>= (const step_iterator_adaptor< D, Iterator, SFn > &p1, const step_iterator_adaptor< D, Iterator, SFn > &p2)
template<typename D, typename Iterator, typename SFn>
bool operator<= (const step_iterator_adaptor< D, Iterator, SFn > &p1, const step_iterator_adaptor< D, Iterator, SFn > &p2)
template<typename D, typename Iterator, typename SFn>
bool operator== (const step_iterator_adaptor< D, Iterator, SFn > &p1, const step_iterator_adaptor< D, Iterator, SFn > &p2)
template<typename D, typename Iterator, typename SFn>
bool operator!= (const step_iterator_adaptor< D, Iterator, SFn > &p1, const step_iterator_adaptor< D, Iterator, SFn > &p2)
template<typename Iterator>
std::ptrdiff_t memunit_step (const memory_based_step_iterator< Iterator > &p)
template<typename Iterator>
std::ptrdiff_t memunit_distance (const memory_based_step_iterator< Iterator > &p1, const memory_based_step_iterator< Iterator > &p2)
template<typename Iterator>
void memunit_advance (memory_based_step_iterator< Iterator > &p, std::ptrdiff_t diff)
template<typename Iterator>
memory_based_step_iterator
< Iterator > 
memunit_advanced (const memory_based_step_iterator< Iterator > &p, std::ptrdiff_t diff)
template<typename Iterator>
std::iterator_traits< Iterator >
::reference 
memunit_advanced_ref (const memory_based_step_iterator< Iterator > &p, std::ptrdiff_t diff)
template<typename I>
dynamic_x_step_type< I >::type make_step_iterator (const I &it, std::ptrdiff_t step)
 Constructs a step iterator from a base iterator and a step.
template<typename I>
dynamic_x_step_type< I >::type make_step_iterator_impl (const I &it, std::ptrdiff_t step, mpl::false_)
template<typename I>
dynamic_x_step_type< I >::type make_step_iterator_impl (const I &it, std::ptrdiff_t step, mpl::true_)
template<typename BaseIt>
memory_based_step_iterator
< BaseIt > 
make_step_iterator_impl (const memory_based_step_iterator< BaseIt > &it, std::ptrdiff_t step, mpl::true_)

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