99 lines
3.3 KiB
Plaintext
99 lines
3.3 KiB
Plaintext
<template>
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<div>
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<el-button plain @click="$refs.file.click()">选择dicom文件</el-button>
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<input
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ref="file"
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type="file"
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name="file"
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webkitdirectory
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multiple
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@change="beginScanFiles($event)"
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/>
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</div>
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</template>
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<script>
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import dicomParser from "dicom-parser";
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import dcmjs from 'dcmjs'
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const CharLs = require('@cornerstonejs/codec-charls')
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const codecWrapper = {
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codec: undefined,
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Decoder: undefined,
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Encoder: undefined,
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encoderName: "JpegLSEncoder",
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decoderName: "JpegLSDecoder",
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};
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function setCodec(codecConfig, encoderName, decoderName, codec = {}) {
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codecConfig.Encoder = codec[encoderName];
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codecConfig.Decoder = codec[decoderName];
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codecConfig.codec = codec;
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}
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CharLs().then(res => {
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setCodec(codecWrapper, codecWrapper.encoderName, codecWrapper.decoderName, res);
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})
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export default {
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data() {
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return {
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}
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},
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methods: {
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async upload(name, file) {
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let res = await this.OSSclient.put(name, file)
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return res
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},
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beginScanFiles(e) {
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var files = e.target.files
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if (files.length > 0) {
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files.forEach(async (item, index) => {
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const reader = new FileReader();
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reader.onload = async (event) => {
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let buffer = event.target.result;
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let data = dicomParser.parseDicom(new Uint8Array(buffer))
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let height = data.uint16('x00280011')
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let width = data.uint16('x00280010')
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let bitsPerSample = data.uint16('x00280100')
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let componentCount = data.string('x00280004')
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let transportSyntax = data.string('x00020010')
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if ((transportSyntax === '1.2.840.10008.1.2.1' || transportSyntax === '1.2.840.10008.1.2') && ~componentCount.indexOf('MONOCHROME')) {
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let dataset = dcmjs.data.DicomMessage.readFile(buffer)
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console.log(new dcmjs.data.DicomMetaDictionary(dataset))
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let pixelDataElement = data.elements.x7fe00010;
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let pixelDataOffset = pixelDataElement.dataOffset;
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let pixelDataLength = pixelDataElement.length;
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let pixelDataBytes = data.byteArray.subarray(pixelDataOffset, pixelDataOffset + pixelDataLength)
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let encoder = new codecWrapper.Encoder();
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let decodedBytes = encoder.getDecodedBuffer({width: width, height: height, bitsPerSample: bitsPerSample, componentCount: 1})
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encoder.setNearLossless(0);
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decodedBytes.set(pixelDataBytes);
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encoder.encode()
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let encodedBytes = encoder.getEncodedBuffer();
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dataset.dict['7FE00010'].Value[0] = encodedBytes.buffer;
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dataset.meta['00020010'].Value[0] = '1.2.840.10008.1.2.4.80';
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let newDicomFile = dataset.write();
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const bufferArray = new Uint8Array(newDicomFile);
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const blob = new Blob([bufferArray], { type: 'application/octet-stream' });
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await this.upload(`test/${index}.dcm`, blob)
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}
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};
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reader.readAsArrayBuffer(item);
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})
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}
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},
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open() {
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this.IsOpen = true
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},
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uploadOver(isSuccess, res) {
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if (isSuccess) {
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this.IsOpen = false
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this.videoUrl = res.url
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this.videoName = res.name
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}
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}
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}
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}
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</script>
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<style scoped>
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</style>
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