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81 lines
3.6 KiB
JavaScript
81 lines
3.6 KiB
JavaScript
/**
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* @module ol/source/TileDebug
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*/
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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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import XYZ from './XYZ.js';
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import { createCanvasContext2D } from '../dom.js';
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import { toSize } from '../size.js';
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/**
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* @typedef {Object} Options
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* @property {import("../proj.js").ProjectionLike} [projection='EPSG:3857'] Optional projection.
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* @property {import("../tilegrid/TileGrid.js").default} [tileGrid] Tile grid.
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* @property {boolean} [wrapX=true] Whether to wrap the world horizontally.
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* @property {number|import("../array.js").NearestDirectionFunction} [zDirection=0]
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* Set to `1` when debugging `VectorTile` sources with a default configuration.
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* Choose whether to use tiles with a higher or lower zoom level when between integer
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* zoom levels. See {@link module:ol/tilegrid/TileGrid~TileGrid#getZForResolution}.
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* @property {string} [template='z:{z} x:{x} y:{y}'] Template for labeling the tiles.
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* Should include `{x}`, `{y}` or `{-y}`, and `{z}` placeholders.
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*/
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/**
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* @classdesc
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* A pseudo tile source, which does not fetch tiles from a server, but renders
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* a grid outline for the tile grid/projection along with the coordinates for
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* each tile. See examples/canvas-tiles for an example.
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* @api
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*/
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var TileDebug = /** @class */ (function (_super) {
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__extends(TileDebug, _super);
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/**
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* @param {Options} [opt_options] Debug tile options.
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*/
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function TileDebug(opt_options) {
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var _this = this;
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/**
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* @type {Options}
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*/
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var options = opt_options || {};
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_this = _super.call(this, {
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opaque: false,
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projection: options.projection,
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tileGrid: options.tileGrid,
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wrapX: options.wrapX !== undefined ? options.wrapX : true,
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zDirection: options.zDirection,
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url: options.template || 'z:{z} x:{x} y:{y}',
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tileLoadFunction: function (tile, text) {
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var z = tile.getTileCoord()[0];
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var tileSize = toSize(_this.tileGrid.getTileSize(z));
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var context = createCanvasContext2D(tileSize[0], tileSize[1]);
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context.strokeStyle = 'grey';
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context.strokeRect(0.5, 0.5, tileSize[0] + 0.5, tileSize[1] + 0.5);
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context.fillStyle = 'grey';
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context.strokeStyle = 'white';
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context.textAlign = 'center';
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context.textBaseline = 'middle';
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context.font = '24px sans-serif';
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context.lineWidth = 4;
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context.strokeText(text, tileSize[0] / 2, tileSize[1] / 2, tileSize[0]);
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context.fillText(text, tileSize[0] / 2, tileSize[1] / 2, tileSize[0]);
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/** @type {import("../ImageTile.js").default} */ (tile).setImage(context.canvas);
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},
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}) || this;
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return _this;
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}
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return TileDebug;
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}(XYZ));
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export default TileDebug;
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//# sourceMappingURL=TileDebug.js.map
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