78 lines
1.9 KiB
JavaScript
78 lines
1.9 KiB
JavaScript
import {
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ImageState_default,
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Image_default
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} from "./chunk-SHUBVYN4.js";
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// node_modules/ol/ImageCanvas.js
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var ImageCanvas = class extends Image_default {
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/**
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* @param {import("./extent.js").Extent} extent Extent.
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* @param {number} resolution Resolution.
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* @param {number} pixelRatio Pixel ratio.
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* @param {HTMLCanvasElement|OffscreenCanvas} canvas Canvas.
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* @param {Loader} [loader] Optional loader function to
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* support asynchronous canvas drawing.
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*/
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constructor(extent, resolution, pixelRatio, canvas, loader) {
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const state = loader !== void 0 ? ImageState_default.IDLE : ImageState_default.LOADED;
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super(extent, resolution, pixelRatio, state);
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this.loader_ = loader !== void 0 ? loader : null;
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this.canvas_ = canvas;
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this.error_ = null;
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}
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/**
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* Get any error associated with asynchronous rendering.
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* @return {?Error} Any error that occurred during rendering.
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*/
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getError() {
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return this.error_;
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}
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/**
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* Handle async drawing complete.
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* @param {Error} [err] Any error during drawing.
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* @private
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*/
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handleLoad_(err) {
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if (err) {
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this.error_ = err;
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this.state = ImageState_default.ERROR;
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} else {
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this.state = ImageState_default.LOADED;
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}
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this.changed();
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}
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/**
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* Load not yet loaded URI.
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* @override
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*/
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load() {
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if (this.state == ImageState_default.IDLE) {
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this.state = ImageState_default.LOADING;
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this.changed();
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this.loader_(this.handleLoad_.bind(this));
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}
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}
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/**
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* @return {HTMLCanvasElement|OffscreenCanvas} Canvas element.
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* @override
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*/
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getImage() {
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return this.canvas_;
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}
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};
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var ImageCanvas_default = ImageCanvas;
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// node_modules/ol/resolution.js
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function fromResolutionLike(resolution) {
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if (Array.isArray(resolution)) {
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return Math.min(...resolution);
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}
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return resolution;
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}
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export {
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ImageCanvas_default,
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fromResolutionLike
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};
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//# sourceMappingURL=chunk-3TN6D4MD.js.map
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