All files / dicomImageLoader/src/imageLoader setPixelDataType.ts

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import getPixelDataTypeFromMinMax from '../shared/getPixelDataTypeFromMinMax';
 
/**
 * Helper function to set the right typed array.
 * This is needed because web workers can transfer array buffers but not typed arrays
 *
 * Here we are setting the pixel data to the right typed array based on the final
 * min and max values
 */
function setPixelDataType(imageFrame) {
  const minValue = imageFrame.smallestPixelValue;
  const maxValue = imageFrame.largestPixelValue;
 
  const TypedArray = getPixelDataTypeFromMinMax(minValue, maxValue);
 
  if (TypedArray) {
    // @ts-ignore
    const typedArray = new TypedArray(imageFrame.pixelData);
    imageFrame.pixelData = typedArray;
  } else E{
    throw new Error('Could not apply a typed array to the pixel data');
  }
}
 
export default setPixelDataType;