boost::gil::virtual_2d_locator

A 2D locator over a virtual image Upon dereferencing, invokes a given function object passing it its coordinates. Models: PixelLocatorConcept, HasDynamicXStepTypeConcept, HasDynamicYStepTypeConcept, HasTransposedTypeConcept

Synopsis

Declared in <boost/gil/virtual_locator.hpp>

template<
    typename DerefFn,
    bool IsTransposed>
class virtual_2d_locator
    : public pixel_2d_locator_base<virtual_2d_locator<DerefFn, IsTransposed>, position_iterator<DerefFn, IsTransposed>, position_iterator<DerefFn, 1 ‐ IsTransposed>>

Base Classes

Name

Description

pixel_2d_locator_base<virtual_2d_locator<DerefFn, IsTransposed>, position_iterator<DerefFn, IsTransposed>, position_iterator<DerefFn, 1 ‐ IsTransposed>>

base class for models of PixelLocatorConcept

Types

Name

Type Aliases

Name

cached_location_t

difference_type

Member Functions

Name

Description

virtual_2d_locator [constructor]

Constructors

Copy assignment operator

axis_iterator

cache_location

is_1d_traversable

y_distance_to

Returns the y distance between two x_iterators given the difference of their x positions

Equality operator

Inequality operator

Static Data Members

Name

num_dimensions

Friends

Name

Description

boost::gil::virtual_2d_locator

A 2D locator over a virtual image Upon dereferencing, invokes a given function object passing it its coordinates. Models: PixelLocatorConcept, HasDynamicXStepTypeConcept, HasDynamicYStepTypeConcept, HasTransposedTypeConcept

Template Parameters

Name

Description

DerefFn

Function object that given a point returns a reference. Models PixelDereferenceAdaptorConcept.

IsTransposed

Indicates if locator should navigate in transposed mode.

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