boat::tile Struct Reference

#include <tile.hpp>

Public Member Functions
std::tuple< int, int, int, int >	rect (int width, int height) const
	Clipped raster-pixel rectangle {x, y, width, height}.
auto	affine (int width, int height) const
	Maps tile pixels to raster pixels.

Static Public Member Functions
static int	zmax (int width, int height)
	Finest zoom, with one raster pixel per tile pixel.
static int	zoom (int width, int height, double scale)
static int	scale (int width, int height, int zoom)
	Raster pixels per tile pixel.
static std::generator< tile >	all (int width, int height, int zoom)

Public Attributes
int	z
int	y
int	x

Static Public Attributes
static constexpr int	size = 256
	Maximum tile side in pixels.

Friends
auto	operator<=> (tile const &, tile const &)=default
auto	hash_value (tile const &v)

Member Function Documentation

affine()

auto boat::tile::affine ( int width, int height ) const

inline

Maps tile pixels to raster pixels.

all()

std::generator< tile > boat::tile::all ( int width, int height, int zoom )

inlinestatic

rect()

std::tuple< int, int, int, int > boat::tile::rect ( int width, int height ) const

inline

Clipped raster-pixel rectangle {x, y, width, height}.

scale()

int boat::tile::scale ( int width, int height, int zoom )

inlinestatic

Raster pixels per tile pixel.

zmax()

int boat::tile::zmax ( int width, int height )

inlinestatic

Finest zoom, with one raster pixel per tile pixel.

zoom()

int boat::tile::zoom ( int width, int height, double scale )

inlinestatic

Friends And Related Symbol Documentation

hash_value

auto hash_value ( tile const & v )

friend

operator<=>

auto operator<=> ( tile const & , tile const &  )

friend

Member Data Documentation

size

int boat::tile::size = 256

staticconstexpr

Maximum tile side in pixels.

x

int boat::tile::x

y

int boat::tile::y

z

int boat::tile::z

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

• include/boat/tile.hpp