Function encodePng

tfjs-node/src/image.ts:244–251

(
    image: Tensor3D, compression = 1)

 * @doc {heading: 'Operations', subheading: 'Images', namespace: 'node'}
 */
export async function encodePng(
    image: Tensor3D, compression = 1): Promise<Uint8Array> {
  ensureTensorflowBackend();

  const backendEncodeImage = (imageData: Uint8Array) =>
      nodeBackend().encodePng(imageData, image.shape, compression);
  return encodeImage(image, backendEncodeImage);
}

async function encodeImage(
    image: Tensor3D, backendEncodeImage: (imageData: Uint8Array) => Tensor):