rlayers/dist/layer/RLayerImage.js

React Components for OpenLayers

import LayerImage from 'ol/layer/Image';
import SourceImage from 'ol/source/ImageStatic';
import { default as RLayer } from './RLayer';
/**
 * A layer that renders a static image
 */
export default class RLayerImage extends RLayer {
    constructor(props, context) {
        super(props, context);
        this.createSource();
        this.ol = new LayerImage({ source: this.source });
        this.eventSources = [this.ol, this.source];
    }
    createSource() {
        const options = {
            url: this.props.url,
            projection: this.props.projection,
            imageExtent: this.props.extent,
            imageSize: this.props.size
        };
        this.source = new SourceImage(options);
        this.eventSources = [this.ol, this.source];
    }
    refresh(prevProps) {
        super.refresh(prevProps);
        if (this.props.url && (prevProps === null || prevProps === void 0 ? void 0 : prevProps.url) !== this.props.url) {
            this.createSource();
            this.ol.setSource(this.source);
            this.eventSources = [this.ol, this.source];
            this.attachOldEventHandlers(this.source);
        }
    }
}
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