itk-viewer-material-ui/src/Images/applyColorRange.js

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function applyColorRange(context, event) {
  const name = event.data.name
  const component = event.data.component
  const actorContext = context.images.actorContext.get(name)

  if (
    name !== context.images.selectedName ||
    component !== actorContext.selectedComponent
  ) {
    return
  }

  const colorRange = event.data.range

  let fullRange = colorRange
  if (actorContext.colorRangeBounds.has(component)) {
    fullRange = actorContext.colorRangeBounds.get(component)
  }
  const diff = fullRange[1] - fullRange[0]

  const colorRangeNormalized = [
    (colorRange[0] - fullRange[0]) / diff,
    (colorRange[1] - fullRange[0]) / diff
  ]
  context.images.transferFunctionWidget.setRangeZoom(colorRangeNormalized)
}

export default applyColorRange