"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "src/layer/tile/TileLayer.js" between
Leaflet-1.8.0.tar.gz and Leaflet-1.9.0.tar.gz

About: Leaflet is a JavaScript library for mobile-friendly interactive maps.

TileLayer.js  (Leaflet-1.8.0):TileLayer.js  (Leaflet-1.9.0)
skipping to change at line 16 skipping to change at line 16
/* /*
* @class TileLayer * @class TileLayer
* @inherits GridLayer * @inherits GridLayer
* @aka L.TileLayer * @aka L.TileLayer
* Used to load and display tile layers on the map. Note that most tile servers require attribution, which you can set under `Layer`. Extends `GridLayer`. * Used to load and display tile layers on the map. Note that most tile servers require attribution, which you can set under `Layer`. Extends `GridLayer`.
* *
* @example * @example
* *
* ```js * ```js
* L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png?{foo}', {foo: 'bar', attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">O penStreetMap</a> contributors'}).addTo(map); * L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png?{foo}', {foo: 'ba r', attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenS treetMap</a> contributors'}).addTo(map);
* ``` * ```
* *
* @section URL template * @section URL template
* @example * @example
* *
* A string of the following form: * A string of the following form:
* *
* ``` * ```
* 'https://{s}.somedomain.com/blabla/{z}/{x}/{y}{r}.png' * 'https://{s}.somedomain.com/blabla/{z}/{x}/{y}{r}.png'
* ``` * ```
skipping to change at line 102 skipping to change at line 102
options = Util.setOptions(this, options); options = Util.setOptions(this, options);
// detecting retina displays, adjusting tileSize and zoom levels // detecting retina displays, adjusting tileSize and zoom levels
if (options.detectRetina && Browser.retina && options.maxZoom > 0 ) { if (options.detectRetina && Browser.retina && options.maxZoom > 0 ) {
options.tileSize = Math.floor(options.tileSize / 2); options.tileSize = Math.floor(options.tileSize / 2);
if (!options.zoomReverse) { if (!options.zoomReverse) {
options.zoomOffset++; options.zoomOffset++;
options.maxZoom--; options.maxZoom = Math.max(options.minZoom, optio ns.maxZoom - 1);
} else { } else {
options.zoomOffset--; options.zoomOffset--;
options.minZoom++; options.minZoom = Math.min(options.maxZoom, optio ns.minZoom + 1);
} }
options.minZoom = Math.max(0, options.minZoom); options.minZoom = Math.max(0, options.minZoom);
} else if (!options.zoomReverse) {
// make sure maxZoom is gte minZoom
options.maxZoom = Math.max(options.minZoom, options.maxZo
om);
} else {
// make sure minZoom is lte maxZoom
options.minZoom = Math.min(options.maxZoom, options.minZo
om);
} }
if (typeof options.subdomains === 'string') { if (typeof options.subdomains === 'string') {
options.subdomains = options.subdomains.split(''); options.subdomains = options.subdomains.split('');
} }
this.on('tileunload', this._onTileRemove); this.on('tileunload', this._onTileRemove);
}, },
// @method setUrl(url: String, noRedraw?: Boolean): this // @method setUrl(url: String, noRedraw?: Boolean): this
skipping to change at line 155 skipping to change at line 161
if (this.options.crossOrigin || this.options.crossOrigin === '') { if (this.options.crossOrigin || this.options.crossOrigin === '') {
tile.crossOrigin = this.options.crossOrigin === true ? '' : this.options.crossOrigin; tile.crossOrigin = this.options.crossOrigin === true ? '' : this.options.crossOrigin;
} }
// for this new option we follow the documented behavior // for this new option we follow the documented behavior
// more closely by only setting the property when string // more closely by only setting the property when string
if (typeof this.options.referrerPolicy === 'string') { if (typeof this.options.referrerPolicy === 'string') {
tile.referrerPolicy = this.options.referrerPolicy; tile.referrerPolicy = this.options.referrerPolicy;
} }
/* // The alt attribute is set to the empty string,
Alt tag is set to empty string to keep screen readers from readi // allowing screen readers to ignore the decorative image tiles.
ng URL and for compliance reasons // https://www.w3.org/WAI/tutorials/images/decorative/
https://www.w3.org/TR/WCAG20-TECHS/H67 // https://www.w3.org/TR/html-aria/#el-img-empty-alt
*/
tile.alt = ''; tile.alt = '';
/*
Set role="presentation" to force screen readers to ignore this
https://www.w3.org/TR/wai-aria/roles#textalternativecomputation
*/
tile.setAttribute('role', 'presentation');
tile.src = this.getTileUrl(coords); tile.src = this.getTileUrl(coords);
return tile; return tile;
}, },
// @section Extension methods // @section Extension methods
// @uninheritable // @uninheritable
// Layers extending `TileLayer` might reimplement the following method. // Layers extending `TileLayer` might reimplement the following method.
// @method getTileUrl(coords: Object): String // @method getTileUrl(coords: Object): String
// Called only internally, returns the URL for a tile given its coordinat es. // Called only internally, returns the URL for a tile given its coordinat es.
 End of changes. 6 change blocks. 
14 lines changed or deleted 15 lines changed or added

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