ByteArts

#!/usr/bin/env python

import cv2
import numpy as np

def make_custom_lut(src_img):
    """
    Given a color source image that is 256 pixels tall, this will extract the color
    values from the first pixel on each row of the image and use those pixels to 
    make a color LUT.

ByteArts

/**
 * Marlin 3D Printer Firmware
 * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * Based on Sprinter and grbl.
 * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or