@allmaps/render/dist/tilecache/FetchableTile.js

Render functions for WebGL and image buffers

import { mergePartialOptions } from "@allmaps/stdlib";
import { tileKey, fetchableTileKey } from "../shared/tiles.js";
class FetchableTile {
  mapId;
  tile;
  tileUrl;
  tileKey;
  fetchableTileKey;
  options;
  /**
   * Creates an instance of FetchableTile.
   *
   * @constructor
   * @param tile - the tile
   * @param mapId - Map ID
   * @param tileUrl - Tile URL
   * @param imageRequest - Image Request
   * @param options - FetchableTileOptions
   */
  constructor(tile, mapId, tileUrl, options) {
    this.tile = tile;
    this.mapId = mapId;
    this.tileUrl = tileUrl;
    this.options = options;
    this.tileKey = tileKey(tile);
    this.fetchableTileKey = fetchableTileKey(this);
  }
  /**
   * Creates an instance of FetchableTile from a WarpedMap.
   *
   * @constructor
   * @param tile - the tile
   * @param warpedMap - A WarpedMap with fetched image
   */
  static fromWarpedMap(tile, warpedMap, options) {
    const tileImageRequest = warpedMap.image.getTileImageRequest(
      tile.tileZoomLevel,
      tile.column,
      tile.row
    );
    return new FetchableTile(
      tile,
      warpedMap.mapId,
      warpedMap.image.getImageUrl(tileImageRequest),
      mergePartialOptions(options, { imageRequest: tileImageRequest })
    );
  }
  /**
   * Creates an instance of FetchableTile from a sprite.
   *
   * @constructor
   * @param sprite - Sprite
   * @param imageSize - imageSize
   * @param warpedMap - A WarpedMap with fetched image
   */
  static fromSprite(sprite, imageSize, warpedMap, options) {
    const width = warpedMap.tileSize[0];
    const height = warpedMap.tileSize[1];
    const tile = {
      column: 0,
      row: 0,
      tileZoomLevel: {
        scaleFactor: sprite.scaleFactor,
        width,
        height,
        originalWidth: width * sprite.scaleFactor,
        originalHeight: height * sprite.scaleFactor,
        columns: 1,
        rows: 1
      },
      imageSize
    };
    const tileImageRequest = warpedMap.image.getTileImageRequest(
      tile.tileZoomLevel,
      tile.column,
      tile.row
    );
    return new FetchableTile(
      tile,
      warpedMap.mapId,
      sprite.imageId,
      mergePartialOptions(options, { imageRequest: tileImageRequest })
    );
  }
}
export {
  FetchableTile
};
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