RandomAccess2DLocatorConcept< Loc > Struct Template Reference

2-dimensional locator over immutable values More...

#include <pixel_locator.hpp>

Public Member Functions
void	constraints ()

Public Attributes
Loc	loc

Detailed Description

template<typename Loc>
struct boost::gil::RandomAccess2DLocatorConcept< Loc >

2-dimensional locator over immutable values

concept RandomAccess2DLocatorConcept<RandomAccessNDLocatorConcept Loc>
{
    where num_dimensions==2;
    where Point2DConcept<point_t>;
 
    typename x_iterator = axis<0>::iterator;
    typename y_iterator = axis<1>::iterator;
    typename x_coord_t  = axis<0>::coord_t;
    typename y_coord_t  = axis<1>::coord_t;
 
    // Only available to locators that have dynamic step in Y
    //Loc::Loc(const Loc& loc, y_coord_t);
 
    // Only available to locators that have dynamic step in X and Y
    //Loc::Loc(const Loc& loc, x_coord_t, y_coord_t, bool transposed=false);
 
    x_iterator&       Loc::x();
    x_iterator const& Loc::x() const;
    y_iterator&       Loc::y();
    y_iterator const& Loc::y() const;
 
    x_iterator Loc::x_at(const difference_type&) const;
    y_iterator Loc::y_at(const difference_type&) const;
    Loc Loc::xy_at(const difference_type&) const;
 
    // x/y versions of all methods that can take difference type
    x_iterator        Loc::x_at(x_coord_t, y_coord_t) const;
    y_iterator        Loc::y_at(x_coord_t, y_coord_t) const;
    Loc               Loc::xy_at(x_coord_t, y_coord_t) const;
    reference         operator()(const Loc&, x_coord_t, y_coord_t);
    cached_location_t Loc::cache_location(x_coord_t, y_coord_t) const;
 
    bool      Loc::is_1d_traversable(x_coord_t width) const;
    y_coord_t Loc::y_distance_to(const Loc& loc2, x_coord_t x_diff) const;
};

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The documentation for this struct was generated from the following file:

• pixel_locator.hpp