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65 lines
2.6 KiB
JavaScript
65 lines
2.6 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/layer/Image
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*/
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import BaseImageLayer from './BaseImage.js';
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import CanvasImageLayerRenderer from '../renderer/canvas/ImageLayer.js';
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/**
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* @classdesc
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* Server-rendered images that are available for arbitrary extents and
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* resolutions.
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* Note that any property set in the options is set as a {@link module:ol/Object~BaseObject}
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* property on the layer object; for example, setting `title: 'My Title'` in the
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* options means that `title` is observable, and has get/set accessors.
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*
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* @template {import("../source/Image.js").default} ImageSourceType
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* @extends {BaseImageLayer<ImageSourceType, CanvasImageLayerRenderer>}
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* @api
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*/
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var ImageLayer = /** @class */ (function (_super) {
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__extends(ImageLayer, _super);
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/**
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* @param {import("./BaseImage.js").Options<ImageSourceType>} [opt_options] Layer options.
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*/
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function ImageLayer(opt_options) {
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return _super.call(this, opt_options) || this;
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}
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ImageLayer.prototype.createRenderer = function () {
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return new CanvasImageLayerRenderer(this);
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};
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/**
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* Get data for a pixel location. A four element RGBA array will be returned. For requests outside the
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* layer extent, `null` will be returned. Data for an image can only be retrieved if the
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* source's `crossOrigin` property is set.
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*
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* ```js
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* // display layer data on every pointer move
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* map.on('pointermove', (event) => {
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* console.log(layer.getData(event.pixel));
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* });
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* ```
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* @param {import("../pixel").Pixel} pixel Pixel.
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* @return {Uint8ClampedArray|Uint8Array|Float32Array|DataView|null} Pixel data.
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* @api
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*/
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ImageLayer.prototype.getData = function (pixel) {
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return _super.prototype.getData.call(this, pixel);
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};
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return ImageLayer;
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}(BaseImageLayer));
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export default ImageLayer;
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//# sourceMappingURL=Image.js.map
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