sgauthier
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120 lines
3.7 KiB
JavaScript
120 lines
3.7 KiB
JavaScript
var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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/**
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* @module ol/DataTile
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*/
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import Tile from './Tile.js';
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import TileState from './TileState.js';
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/**
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* Data that can be used with a DataTile. For increased browser compatibility, use
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* Uint8Array instead of Uint8ClampedArray where possible.
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* @typedef {Uint8Array|Uint8ClampedArray|Float32Array|DataView} Data
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*/
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/**
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* @typedef {Object} Options
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* @property {import("./tilecoord.js").TileCoord} tileCoord Tile coordinate.
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* @property {function(): Promise<Data>} loader Data loader.
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* @property {number} [transition=250] A duration for tile opacity
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* transitions in milliseconds. A duration of 0 disables the opacity transition.
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* @property {boolean} [interpolate=false] Use interpolated values when resampling. By default,
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* the nearest neighbor is used when resampling.
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* @property {import('./size.js').Size} [size=[256, 256]] Tile size.
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* @api
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*/
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var DataTile = /** @class */ (function (_super) {
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__extends(DataTile, _super);
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/**
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* @param {Options} options Tile options.
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*/
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function DataTile(options) {
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var _this = this;
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var state = TileState.IDLE;
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_this = _super.call(this, options.tileCoord, state, {
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transition: options.transition,
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interpolate: options.interpolate,
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}) || this;
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/**
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* @type {function(): Promise<Data>}
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* @private
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*/
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_this.loader_ = options.loader;
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/**
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* @type {Data}
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* @private
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*/
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_this.data_ = null;
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/**
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* @type {Error}
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* @private
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*/
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_this.error_ = null;
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/**
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* @type {import('./size.js').Size}
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* @private
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*/
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_this.size_ = options.size || [256, 256];
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return _this;
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}
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/**
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* Get the tile size.
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* @return {import('./size.js').Size} Tile size.
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*/
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DataTile.prototype.getSize = function () {
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return this.size_;
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};
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/**
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* Get the data for the tile.
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* @return {Data} Tile data.
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* @api
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*/
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DataTile.prototype.getData = function () {
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return this.data_;
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};
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/**
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* Get any loading error.
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* @return {Error} Loading error.
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* @api
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*/
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DataTile.prototype.getError = function () {
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return this.error_;
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};
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/**
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* Load not yet loaded URI.
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* @api
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*/
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DataTile.prototype.load = function () {
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if (this.state !== TileState.IDLE && this.state !== TileState.ERROR) {
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return;
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}
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this.state = TileState.LOADING;
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this.changed();
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var self = this;
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this.loader_()
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.then(function (data) {
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self.data_ = data;
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self.state = TileState.LOADED;
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self.changed();
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})
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.catch(function (error) {
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self.error_ = error;
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self.state = TileState.ERROR;
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self.changed();
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});
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};
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return DataTile;
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}(Tile));
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export default DataTile;
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//# sourceMappingURL=DataTile.js.map
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