7519006e64
- Construct image id based on frame (if defined) for custom image loaders as well - Use DICOMFileLoadingListener for multi-frame images and image loaders except wado
49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
import { getWADORSImageId } from './getWADORSImageId';
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// https://stackoverflow.com/a/6021027/3895126
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function updateQueryStringParameter(uri, key, value) {
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var re = new RegExp("([?&])" + key + "=.*?(&|$)", "i");
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var separator = uri.indexOf('?') !== -1 ? "&" : "?";
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if (uri.match(re)) {
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return uri.replace(re, '$1' + key + "=" + value + '$2');
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}
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else {
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return uri + separator + key + "=" + value;
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}
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}
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/**
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* Obtain an imageId for Cornerstone from an image instance
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*
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* @param instance
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* @param frame
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* #param thumbnail
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* @returns {string} The imageId to be used by Cornerstone
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*/
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export function getImageId(instance, frame, thumbnail) {
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if (!instance) {
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return;
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}
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if (instance.url) {
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if (frame !== undefined) {
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instance.url = updateQueryStringParameter(instance.url, 'frame', frame);
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}
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return instance.url;
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}
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const renderingAttr = thumbnail ? 'thumbnailRendering' : 'imageRendering';
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if (!instance[renderingAttr] || instance[renderingAttr] === 'wadouri' || !instance.wadorsuri) {
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var imageId = 'dicomweb:' + instance.wadouri;
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if (frame !== undefined) {
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imageId += '&frame=' + frame;
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}
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return imageId;
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} else {
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return getWADORSImageId(instance, frame, thumbnail); // WADO-RS Retrieve Frame
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}
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}
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