/** * @module ol/source */ import LRUCache from './structs/LRUCache.js'; import { getIntersection } from './extent.js'; export { default as BingMaps } from './source/BingMaps.js'; export { default as CartoDB } from './source/CartoDB.js'; export { default as Cluster } from './source/Cluster.js'; export { default as DataTile } from './source/DataTile.js'; export { default as GeoTIFF } from './source/GeoTIFF.js'; export { default as IIIF } from './source/IIIF.js'; export { default as Image } from './source/Image.js'; export { default as ImageArcGISRest } from './source/ImageArcGISRest.js'; export { default as ImageCanvas } from './source/ImageCanvas.js'; export { default as ImageMapGuide } from './source/ImageMapGuide.js'; export { default as ImageStatic } from './source/ImageStatic.js'; export { default as ImageWMS } from './source/ImageWMS.js'; export { default as OSM } from './source/OSM.js'; export { default as Raster } from './source/Raster.js'; export { default as Source } from './source/Source.js'; export { default as Stamen } from './source/Stamen.js'; export { default as Tile } from './source/Tile.js'; export { default as TileArcGISRest } from './source/TileArcGISRest.js'; export { default as TileDebug } from './source/TileDebug.js'; export { default as TileImage } from './source/TileImage.js'; export { default as TileJSON } from './source/TileJSON.js'; export { default as TileWMS } from './source/TileWMS.js'; export { default as UrlTile } from './source/UrlTile.js'; export { default as UTFGrid } from './source/UTFGrid.js'; export { default as Vector } from './source/Vector.js'; export { default as VectorTile } from './source/VectorTile.js'; export { default as WMTS } from './source/WMTS.js'; export { default as XYZ } from './source/XYZ.js'; export { default as Zoomify } from './source/Zoomify.js'; /** * Creates a sources function from a tile grid. This function can be used as value for the * `sources` property of the {@link module:ol/layer/Layer~Layer} subclasses that support it. * @param {import("./tilegrid/TileGrid.js").default} tileGrid Tile grid. * @param {function(import("./tilecoord.js").TileCoord): import("./source/Source.js").default} factory Source factory. * This function takes a {@link module:ol/tilecoord~TileCoord} as argument and is expected to return a * {@link module:ol/source/Source~Source}. **Note**: The returned sources should have a tile grid with * a limited set of resolutions, matching the resolution range of a single zoom level of the pyramid * `tileGrid` that `sourcesFromTileGrid` was called with. * @return {function(import("./extent.js").Extent, number): Array} Sources function. * @api */ export function sourcesFromTileGrid(tileGrid, factory) { var sourceCache = new LRUCache(32); var tileGridExtent = tileGrid.getExtent(); return function (extent, resolution) { sourceCache.expireCache(); if (tileGridExtent) { extent = getIntersection(tileGridExtent, extent); } var z = tileGrid.getZForResolution(resolution); var wantedSources = []; tileGrid.forEachTileCoord(extent, z, function (tileCoord) { var key = tileCoord.toString(); if (!sourceCache.containsKey(key)) { var source = factory(tileCoord); sourceCache.set(key, source); } wantedSources.push(sourceCache.get(key)); }); return wantedSources; }; } //# sourceMappingURL=source.js.map