33 lines
790 B
JavaScript
33 lines
790 B
JavaScript
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function getWADORSImageUrl(instance, frame) {
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let wadorsuri = instance.wadorsuri;
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if (!wadorsuri) {
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return;
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}
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// We need to sum 1 because WADO-RS frame number is 1-based
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frame = frame ? parseInt(frame) + 1 : 1;
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// Replaces /frame/1 by /frame/{frame}
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wadorsuri = wadorsuri.replace(/frames\/(\d+)/, `frames/${frame}`);
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return wadorsuri;
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}
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/**
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* Obtain an imageId for Cornerstone based on the WADO-RS scheme
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*
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* @param {object} instanceMetada metadata object (InstanceMetadata)
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* @param {(string\|number)} [frame] the frame number
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* @returns {string} The imageId to be used by Cornerstone
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*/
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export default function getWADORSImageId(instance, frame) {
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const uri = getWADORSImageUrl(instance, frame);
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if (!uri) {
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return;
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}
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return `wadors:${uri}`;
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}
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