walkers 0.53.0

slippy map widget for egui
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

//! Some common HTTP tile sources. Make sure you follow terms of usage of the particular source.

mod geoportal;
mod mapbox;
#[cfg(feature = "mvt")]
mod openfreemap;
mod openstreetmap;

use crate::TileId;
pub use geoportal::Geoportal;
pub use mapbox::{Mapbox, MapboxStyle};
#[cfg(feature = "mvt")]
pub use openfreemap::OpenFreeMap;
pub use openstreetmap::OpenStreetMap;

#[derive(Clone)]
pub struct Attribution {
    pub text: &'static str,
    pub url: &'static str,
    pub logo_light: Option<egui::ImageSource<'static>>,
    pub logo_dark: Option<egui::ImageSource<'static>>,
}

/// Remote tile server definition, source for the [`crate::HttpTiles`].
pub trait TileSource {
    fn tile_url(&self, tile_id: TileId) -> String;
    fn attribution(&self) -> Attribution;

    /// Size of each tile, should be a multiple of 256.
    fn tile_size(&self) -> u32 {
        256
    }

    fn max_zoom(&self) -> u8 {
        19
    }
}