16.bundle.d9efece9a3d1e24c3ffb.js.map

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componentName + '`. Expected a typed array.'\n      );\n    }\n  },\n\n  float64: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Float64Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected a Float64Array.'\n      );\n    }\n  },\n\n  float32: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Float32Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected a Float32Array.'\n      );\n    }\n  },\n\n  float: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Float64Array ||\n      props[propName] instanceof Float32Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected a Float32Array or Float64Array.'\n      );\n    }\n  },\n\n  int32: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Int32Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected an Int32Array.'\n      );\n    }\n  },\n\n  int16: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Int16Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected an In16Array.'\n      );\n    }\n  },\n\n  int8: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Int8Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected an Int8Array.'\n      );\n    }\n  },\n\n  int: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Int32Array ||\n      props[propName] instanceof Int16Array ||\n      props[propName] instanceof Int8Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected an Int32Array, In16Array, or Int8Array.'\n      );\n    }\n  },\n\n  uint32: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Uint32Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected a Uint32Array.'\n      );\n    }\n  },\n\n  uint16: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Uint16Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected a Uint16Array.'\n      );\n    }\n  },\n\n  uint8: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Uint8Array)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected a Uint8Array.'\n      );\n    }\n  },\n\n  uint8clamped: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Uint8ClampedArray)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected a Uint8ClampedArray.'\n      );\n    }\n  },\n\n  uint: (props, propName, componentName) => {\n    if (!(props[propName] instanceof Uint32Array ||\n      props[propName] instanceof Uint16Array ||\n      props[propName] instanceof Uint8Array ||\n      props[propName] instanceof Uint8ClampedArray)) {\n      return new Error(\n        'Invalid prop `' + propName + '` supplied to' +\n        ' `' + componentName + '`. Expected a Uint32Array, Uint16Array, Uint8Array, or Uint8ClampedArray.'\n      );\n    }\n  },\n};\n\nexport { TypedArrayProp as default };\n","import React, { Component, createRef } from 'react';\nimport dicomParser from 'dicom-parser';\nimport PDFJS from 'pdfjs-dist';\nimport PropTypes from 'prop-types';\n\nimport TypedArrayProp from './TypedArrayProp';\nimport './DicomPDFViewport.css';\n\nimport pdfjsBuild from 'pdfjs-dist/build/pdf';\nimport pdfjsWorker from 'pdfjs-dist/build/pdf.worker.entry';\npdfjsBuild.GlobalWorkerOptions.workerSrc = pdfjsWorker;\n\n// TODO: Should probably use dcmjs for this\nconst SOP_CLASS_UIDS = {\n  ENCAPSULATED_PDF: '1.2.840.10008.5.1.4.1.1.104.1',\n};\n\nclass DicomPDFViewport extends Component {\n  constructor(props) {\n    super(props);\n\n    this.state = {\n      fileURL: null,\n      error: null,\n      currentPageIndex: 1,\n      pdf: null,\n      scale: 1,\n    };\n\n    this.canvas = createRef();\n    this.textLayer = createRef();\n  }\n\n  static propTypes = {\n    byteArray: TypedArrayProp.uint8,\n    useNative: PropTypes.bool,\n    viewportData: PropTypes.object,\n    activeViewportIndex: PropTypes.number,\n    setViewportActive: PropTypes.func,\n    viewportIndex: PropTypes.number,\n  };\n\n  static defaultProps = {\n    useNative: false,\n  };\n\n  async componentDidMount() {\n    const dataSet = this.parseByteArray(this.props.byteArray);\n    const fileURL = this.getPDFFileUrl(dataSet, this.props.byteArray);\n\n    this.setState(state => ({ ...state, fileURL }));\n\n    if (!this.props.useNative) {\n      const pdf = await PDFJS.getDocument(fileURL).promise;\n      this.setState(state => ({ ...state, pdf }), () => this.updatePDFCanvas());\n    }\n  }\n\n  updatePDFCanvas = async () => {\n    const { pdf, scale, currentPageIndex } = this.state;\n    const context = this.canvas.getContext('2d');\n\n    const page = await pdf.getPage(currentPageIndex);\n    let viewport = page.getViewport({ scale });\n\n    this.canvas.height = viewport.height;\n    this.canvas.width = viewport.width;\n\n    const renderContext = {\n      canvasContext: context,\n      viewport: viewport,\n    };\n\n    await page.render(renderContext);\n    const textContent = await page.getTextContent();\n\n    this.textLayer.innerHTML = '';\n    this.textLayer.style.height = viewport.height + 'px';\n    this.textLayer.style.width = viewport.width + 'px';\n\n    PDFJS.renderTextLayer({\n      textContent,\n      container: this.textLayer,\n      viewport,\n      textDivs: [],\n    });\n  };\n\n  componentDidUpdate(prevProps, prevState) {\n    const { currentPageIndex, scale } = this.state;\n    const newValidScale = prevState.scale !== scale && scale > 0;\n    const newValidPageNumber =\n      prevState.currentPageIndex !== currentPageIndex && currentPageIndex > 0;\n\n    if (newValidScale || newValidPageNumber) {\n      this.updatePDFCanvas();\n    }\n  }\n\n  getPDFFileUrl = (dataSet, byteArray) => {\n    let pdfByteArray = byteArray;\n\n    if (dataSet) {\n      const SOPClassUID = dataSet.string('x00080016');\n\n      if (SOPClassUID !== SOP_CLASS_UIDS.ENCAPSULATED_PDF) {\n        throw new Error('This is not a DICOM-encapsulated PDF');\n      }\n\n      const fileTag = dataSet.elements.x00420011;\n      const offset = fileTag.dataOffset;\n      const remainder = offset + fileTag.length;\n      pdfByteArray = dataSet.byteArray.slice(offset, remainder);\n    }\n\n    const PDF = new Blob([pdfByteArray], { type: 'application/pdf' });\n    const fileURL = URL.createObjectURL(PDF);\n\n    return fileURL;\n  };\n\n  onPageChange = async event => {\n    const { currentPageIndex, pdf } = this.state;\n    let newPageIndex = currentPageIndex;\n\n    const action = event.target.getAttribute('data-pager');\n    if (action === 'prev') {\n      if (currentPageIndex === 1) {\n        return;\n      }\n      newPageIndex -= 1;\n      if (currentPageIndex < 0) {\n        newPageIndex = 0;\n      }\n    }\n\n    if (action === 'next') {\n      if (currentPageIndex === pdf.numPages - 1) {\n        return;\n      }\n      newPageIndex += 1;\n      if (currentPageIndex > pdf.numPages - 1) {\n        newPageIndex = pdf.numPages - 1;\n      }\n    }\n\n    this.setState(state => ({ ...state, currentPageIndex: newPageIndex }));\n  };\n\n  onZoomChange = () => {\n    let newZoomValue = this.state.scale;\n\n    const action = event.target.getAttribute('data-pager');\n\n    if (action === '+') {\n      newZoomValue += 0.25;\n    }\n\n    if (action === '-') {\n      newZoomValue -= 0.25;\n    }\n\n    this.setState(state => ({ ...state, scale: newZoomValue }));\n  };\n\n  parseByteArray = byteArray => {\n    const options = { untilTag: '' };\n\n    let dataSet;\n    try {\n      dataSet = dicomParser.parseDicom(byteArray, options);\n    } catch (error) {\n      this.setState(state => ({ ...state, error }));\n    }\n\n    return dataSet;\n  };\n\n  setViewportActiveHandler = () => {\n    const {\n      setViewportActive,\n      viewportIndex,\n      activeViewportIndex,\n    } = this.props;\n\n    if (viewportIndex !== activeViewportIndex) {\n      setViewportActive(viewportIndex);\n    }\n  };\n\n  downloadPDFCanvas = () => {\n    const { fileURL } = this.state;\n    const a = document.createElement('a');\n    a.href = fileURL;\n    a.download = fileURL.substr(fileURL.lastIndexOf('/') + 1);\n    document.body.appendChild(a);\n    a.click();\n    document.body.removeChild(a);\n  };\n\n  render() {\n    const { fileURL, pdf, error } = this.state;\n\n    return (\n      <div\n        className={'DicomPDFViewport'}\n        onClick={this.setViewportActiveHandler}\n        onScroll={this.setViewportActiveHandler}\n        style={{ width: '100%', height: '100%' }}\n      >\n        {!this.props.useNative ? (\n          <>\n            <div id=\"toolbar\">\n              <div id=\"pager\">\n                {pdf && pdf.numPages > 1 && (\n                  <>\n                    <button data-pager=\"prev\" onClick={this.onPageChange}>\n                      {`<`}\n                    </button>\n                    <button data-pager=\"next\" onClick={this.onPageChange}>\n                      {`>`}\n                    </button>\n                  </>\n                )}\n                <button data-pager=\"-\" onClick={this.onZoomChange}>\n                  {`-`}\n                </button>\n                <button data-pager=\"+\" onClick={this.onZoomChange}>\n                  {`+`}\n                </button>\n                <button onClick={this.downloadPDFCanvas}>Download</button>\n              </div>\n            </div>\n            <div id=\"canvas\">\n              <div id=\"pdf-canvas-container\">\n                <canvas\n                  id=\"pdf-canvas\"\n                  ref={canvas => (this.canvas = canvas)}\n                />\n                <div\n                  id=\"text-layer\"\n                  ref={textLayer => (this.textLayer = textLayer)}\n                ></div>\n              </div>\n            </div>\n          </>\n        ) : (\n          <object\n            aria-label=\"PDF Viewer\"\n            data={fileURL}\n            type=\"application/pdf\"\n            width=\"100%\"\n            height=\"100%\"\n          />\n        )}\n        {error && <h2>{JSON.stringify(error)}</h2>}\n      </div>\n    );\n  }\n}\n\nexport default DicomPDFViewport;\n","import React, { Component } from 'react';\nimport PropTypes from 'prop-types';\nimport OHIF from '@ohif/core';\nimport OHIFComponentPlugin from './OHIFComponentPlugin.js';\nimport DicomPDFViewport from './DicomPDFViewport';\n\nconst { DicomLoaderService } = OHIF.utils;\n\nclass OHIFDicomPDFViewport extends Component {\n  static propTypes = {\n    studies: PropTypes.object,\n    displaySet: PropTypes.object,\n    viewportIndex: PropTypes.number,\n    viewportData: PropTypes.object,\n    activeViewportIndex: PropTypes.number,\n    setViewportActive: PropTypes.func,\n  };\n\n  state = {\n    byteArray: null,\n    error: null,\n  };\n\n  static id = 'DicomPDFViewportPDF';\n\n  static init() {\n    console.log('DicomPDFViewport init()');\n  }\n\n  static destroy() {\n    console.log('DicomPDFViewport destroy()');\n  }\n\n  componentDidMount() {\n    const { displaySet, studies } = this.props.viewportData;\n\n    DicomLoaderService.findDicomDataPromise(displaySet, studies).then(\n      data => this.setState({ byteArray: new Uint8Array(data) }),\n      error => {\n        this.setState({ error });\n        throw new Error(error);\n      }\n    );\n  }\n\n  render() {\n    const {\n      setViewportActive,\n      viewportIndex,\n      activeViewportIndex,\n    } = this.props;\n    const { byteArray, error } = this.state;\n    const { id, init, destroy } = OHIFDicomPDFViewport;\n    const pluginProps = { id, init, destroy };\n\n    return (\n      <OHIFComponentPlugin {...pluginProps}>\n        {byteArray && (\n          <DicomPDFViewport\n            byteArray={byteArray}\n            setViewportActive={setViewportActive}\n            viewportIndex={viewportIndex}\n            activeViewportIndex={activeViewportIndex}\n          />\n        )}\n        {error && <h2>{JSON.stringify(error)}</h2>}\n      </OHIFComponentPlugin>\n    );\n  }\n}\n\nexport default OHIFDicomPDFViewport;\n","import OHIF from '@ohif/core';\nimport { connect } from 'react-redux';\nimport OHIFDicomPDFViewport from './OHIFDicomPDFViewport';\n\nconst { setViewportActive } = OHIF.redux.actions;\n\nconst mapStateToProps = (state, ownProps) => {\n  const { activeViewportIndex } = state.viewports;\n  return { activeViewportIndex };\n};\n\nconst mapDispatchToProps = (dispatch, ownProps) => {\n  const { viewportIndex } = ownProps;\n\n  return {\n    setViewportActive: () => {\n      dispatch(setViewportActive(viewportIndex));\n    },\n  };\n};\n\nconst ConnectedOHIFDicomPDFViewer = connect(\n  mapStateToProps,\n  mapDispatchToProps\n)(OHIFDicomPDFViewport);\n\nexport default ConnectedOHIFDicomPDFViewer;\n"],"sourceRoot":""}