vue-cesium/es/components/providers/tencent/TencentImageryProvider.mjs.map

Vue 3.x components for CesiumJS.

{"version":3,"file":"TencentImageryProvider.mjs","sources":["../../../../../../packages/components/providers/tencent/TencentImageryProvider.ts"],"sourcesContent":["import defer from '@vue-cesium/utils/defer'\n\n/*\n * @Author: zouyaoji@https://github.com/zouyaoji\n * @Date: 2022-03-30 16:10:02\n * @LastEditTime: 2022-05-14 17:58:25\n * @LastEditors: zouyaoji\n * @Description:\n * @FilePath: \\vue-cesium@next\\packages\\components\\providers\\tencent\\TencentImageryProvider.ts\n */\nconst TILE_URL = {\n  img: '//p{s}.map.gtimg.com/sateTiles/{z}/{sx}/{sy}/{x}_{reverseY}.jpg&scene=0',\n  terrain: '//p{s}.map.gtimg.com/demTiles/{z}/{sx}/{sy}/{x}_{reverseY}.jpg&scene=0',\n  vector: '//rt{s}.map.gtimg.com/tile?z={z}&x={x}&y={reverseY}&type=vector&styleid={style}&scene=0'\n}\n\nclass TencentImageryProvider {\n  _url: string\n  _ready: boolean\n  _resource: any\n  _tileDiscardPolicy: any\n  _tileWidth: number\n  _tileHeight: number\n  _minimumLevel: any\n  _maximumLevel: any\n  _tilingScheme: Cesium.GeographicTilingScheme | Cesium.WebMercatorTilingScheme\n  _rectangle: any\n  _credit: any\n  enablePickFeatures: any\n  _hasAlphaChannel: any\n  _subdomains: any\n  _errorEvent: any\n  _readyPromise: any\n  _style: string\n  constructor(options) {\n    const { Resource, defaultValue, Credit, Event } = Cesium\n    this._subdomains = options.subdomains || ['1', '2', '3']\n    this._url = options.url || [options.protocol || '', TILE_URL[options.mapStyle] || TILE_URL['vector']].join('')\n\n    const resource = (Resource as any).createIfNeeded(this._url)\n    resource.appendForwardSlash()\n\n    this._ready = false\n    this._resource = resource\n    this._tileDiscardPolicy = options.tileDiscardPolicy\n    this._tileWidth = 256\n    this._tileHeight = 256\n    this._minimumLevel = options.minimumLevel || 0\n    this._maximumLevel = options.maximumLevel || 20\n    this._tilingScheme = new Cesium.WebMercatorTilingScheme()\n    this._rectangle = defaultValue(options.rectangle, this._tilingScheme.rectangle)\n    let credit = options.credit\n    if (typeof credit === 'string') {\n      credit = new Credit(credit)\n    }\n    this._credit = credit\n    this.enablePickFeatures = defaultValue(options.enablePickFeatures, false)\n    this._hasAlphaChannel = defaultValue(options.hasAlphaChannel, true)\n    this._errorEvent = new Event()\n    this._readyPromise = defer()\n    this._ready = true\n    this._readyPromise.resolve(true)\n    this._style = options.styleId\n  }\n\n  get url() {\n    return this._resource._url\n  }\n\n  get proxy() {\n    return this._resource.proxy\n  }\n\n  get tileWidth() {\n    if (!this._ready) {\n      throw new Cesium.DeveloperError('tileWidth must not be called before the imagery provider is ready.')\n    }\n    return this._tileWidth\n  }\n\n  get tileHeight() {\n    if (!this._ready) {\n      throw new Cesium.DeveloperError('tileHeight must not be called before the imagery provider is ready.')\n    }\n    return this._tileHeight\n  }\n\n  get maximumLevel() {\n    if (!this._ready) {\n      throw new Cesium.DeveloperError('maximumLevel must not be called before the imagery provider is ready.')\n    }\n    return this._maximumLevel\n  }\n\n  get minimumLevel() {\n    if (!this.ready) {\n      throw new Cesium.DeveloperError('minimumLevel must not be called before the imagery provider is ready.')\n    }\n    return this._minimumLevel\n  }\n\n  get tilingScheme() {\n    if (!this._ready) {\n      throw new Cesium.DeveloperError('tilingScheme must not be called before the imagery provider is ready.')\n    }\n    return this._tilingScheme\n  }\n\n  get rectangle() {\n    if (!this.ready) {\n      throw new Cesium.DeveloperError('rectangle must not be called before the imagery provider is ready.')\n    }\n    return this._rectangle\n  }\n\n  get tileDiscardPolicy() {\n    if (!this.ready) {\n      throw new Cesium.DeveloperError('tileDiscardPolicy must not be called before the imagery provider is ready.')\n    }\n    return this._tileDiscardPolicy\n  }\n\n  get errorEvent() {\n    return this._errorEvent\n  }\n\n  get ready() {\n    return this._ready\n  }\n\n  get readyPromise() {\n    return this._readyPromise.promise\n  }\n\n  get credit() {\n    if (!this.ready) {\n      throw new Cesium.DeveloperError('credit must not be called before the imagery provider is ready.')\n    }\n    return this._credit\n  }\n\n  get hasAlphaChannel() {\n    if (!this.ready) {\n      throw new Cesium.DeveloperError('hasAlphaChannel must not be called before the imagery provider is ready.')\n    }\n    return this._hasAlphaChannel\n  }\n\n  getTileCredits(x, y, level) {\n    if (!this.ready) {\n      throw new Cesium.DeveloperError('getTileCredits must not be called before the imagery provider is ready.')\n    }\n    return undefined\n  }\n\n  requestImage(x, y, level, request) {\n    if (!this.ready) {\n      throw new Cesium.DeveloperError('requestImage must not be called before the imagery provider is ready.')\n    }\n    return Cesium.ImageryProvider.loadImage(this as any, buildImageResource.call(this, x, y, level, request))\n  }\n\n  pickFeatures(x, y, level, longitude, latitude) {\n    return undefined\n  }\n}\n\nfunction buildImageResource(this, x, y, level, request) {\n  let url = this._url\n  const subdomains = this._subdomains\n  const reverseY = this.tilingScheme.getNumberOfYTilesAtLevel(level) - y - 1\n  url = url\n    .replace('{s}', subdomains[(x + y + level) % subdomains.length])\n    .replace('{style}', this._style)\n    .replace('{x}', x)\n    .replace('{y}', -y)\n    .replace('{z}', level)\n    .replace('{sx}', x >> 4)\n    .replace('{sy}', ((1 << level) - y) >> 4)\n    .replace('{reverseY}', reverseY)\n  const resource = this._resource.getDerivedResource({\n    url: url,\n    request: request\n  })\n  return resource\n}\n\nexport default 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