ohif-viewer/extensions/dicom-microscopy/src/components/ViewportOverlay/utils.ts

96 lines
2.4 KiB
TypeScript

import moment from 'moment';
import * as cornerstone from '@cornerstonejs/core';
/**
* Checks if value is valid.
*
* @param {number} value
* @returns {boolean} is valid.
*/
export function isValidNumber(value) {
return typeof value === 'number' && !isNaN(value);
}
/**
* Formats number precision.
*
* @param {number} number
* @param {number} precision
* @returns {number} formatted number.
*/
export function formatNumberPrecision(number, precision) {
if (number !== null) {
return parseFloat(number).toFixed(precision);
}
}
/**
* Formats DICOM date.
*
* @param {string} date
* @param {string} strFormat
* @returns {string} formatted date.
*/
export function formatDICOMDate(date, strFormat = 'MMM D, YYYY') {
return moment(date, 'YYYYMMDD').format(strFormat);
}
/**
* DICOM Time is stored as HHmmss.SSS, where:
* HH 24 hour time:
* m mm 0..59 Minutes
* s ss 0..59 Seconds
* S SS SSS 0..999 Fractional seconds
*
* Goal: '24:12:12'
*
* @param {*} time
* @param {string} strFormat
* @returns {string} formatted name.
*/
export function formatDICOMTime(time, strFormat = 'HH:mm:ss') {
return moment(time, 'HH:mm:ss').format(strFormat);
}
/**
* Formats a patient name for display purposes
*
* @param {string} name
* @returns {string} formatted name.
*/
export function formatPN(name) {
if (!name) {
return;
}
// Convert the first ^ to a ', '. String.replace() only affects
// the first appearance of the character.
const commaBetweenFirstAndLast = name.replace('^', ', ');
// Replace any remaining '^' characters with spaces
const cleaned = commaBetweenFirstAndLast.replace(/\^/g, ' ');
// Trim any extraneous whitespace
return cleaned.trim();
}
/**
* Gets compression type
*
* @param {number} imageId
* @returns {string} compression type.
*/
export function getCompression(imageId) {
const generalImageModule = cornerstone.metaData.get('generalImageModule', imageId) || {};
const { lossyImageCompression, lossyImageCompressionRatio, lossyImageCompressionMethod } =
generalImageModule;
if (lossyImageCompression === '01' && lossyImageCompressionRatio !== '') {
const compressionMethod = lossyImageCompressionMethod || 'Lossy: ';
const compressionRatio = formatNumberPrecision(lossyImageCompressionRatio, 2);
return compressionMethod + compressionRatio + ' : 1';
}
return 'Lossless / Uncompressed';
}