Method getPixels

src/backend/kernel.js:807–809

* @param {Boolean} [flip] * @returns {Uint8ClampedArray}

(flip)

   * @returns {Uint8ClampedArray}
   */
  getPixels(flip) {
    throw new Error(`"getPixels" called on ${ this.constructor.name }`);
  }

  checkOutput() {
    if (!this.output || !utils.isArray(this.output)) throw new Error('kernel.output not an array');