all files / src/imageLoader/ convertColorSpace.js

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import { convertRGBColorByPixel, convertRGBColorByPlane,
  convertYBRFullByPixel, convertYBRFullByPlane,
  convertPALETTECOLOR } from './colorSpaceConverters/index.js';
 
function convertRGB (imageFrame, rgbaBuffer) {
  if (imageFrame.planarConfiguration === 0) {
    convertRGBColorByPixel(imageFrame.pixelData, rgbaBuffer);
  } else {
    convertRGBColorByPlane(imageFrame.pixelData, rgbaBuffer);
  }
}
 
function convertYBRFull (imageFrame, rgbaBuffer) {
  if (imageFrame.planarConfiguration === 0) {
    convertYBRFullByPixel(imageFrame.pixelData, rgbaBuffer);
  } else {
    convertYBRFullByPlane(imageFrame.pixelData, rgbaBuffer);
  }
}
 
export default function convertColorSpace (imageFrame, imageData) {
  const rgbaBuffer = imageData.data;
  // convert based on the photometric interpretation
 
  if (imageFrame.photometricInterpretation === 'RGB') {
    convertRGB(imageFrame, rgbaBuffer);
  } else if (imageFrame.photometricInterpretation === 'YBR_RCT') {
    convertRGB(imageFrame, rgbaBuffer);
  } else if (imageFrame.photometricInterpretation === 'YBR_ICT') {
    convertRGB(imageFrame, rgbaBuffer);
  } else if (imageFrame.photometricInterpretation === 'PALETTE COLOR') {
    convertPALETTECOLOR(imageFrame, rgbaBuffer);
  } else if (imageFrame.photometricInterpretation === 'YBR_FULL_422') {
    convertRGB(imageFrame, rgbaBuffer);
  } else if (imageFrame.photometricInterpretation === 'YBR_FULL') {
    convertYBRFull(imageFrame, rgbaBuffer);
  } else {
    throw new Error(`No color space conversion for photometric interpretation ${imageFrame.photometricInterpretation}`);
  }
}