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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | 327x | import moment from 'moment';
import { metaData } 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 = 0) {
Iif (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);
}
/**
* Gets compression type
*
* @param {number} imageId
* @returns {string} compression type.
*/
export function getCompression(imageId) {
const generalImageModule = metaData.get('generalImageModule', imageId) || {};
const { lossyImageCompression, lossyImageCompressionRatio, lossyImageCompressionMethod } =
generalImageModule;
Iif (lossyImageCompression === '01' && lossyImageCompressionRatio !== '') {
const compressionMethod = lossyImageCompressionMethod || 'Lossy: ';
const compressionRatio = formatNumberPrecision(lossyImageCompressionRatio, 2);
return compressionMethod + compressionRatio + ' : 1';
}
return 'Lossless / Uncompressed';
}
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