import os
import numpy as np
import cv2

# ------------------------------
# ENTER YOUR PARAMETERS HERE:
ARUCO_DICT = cv2.aruco.DICT_4X4_1000
SQUARES_VERTICALLY = 28
SQUARES_HORIZONTALLY = 14
SQUARE_LENGTH = 0.045454545454545
MARKER_LENGTH = 0.022727272727272
LENGTH_PX = 2544 * 2   # total length of the page in pixels
MARGIN_PX = 0    # size of the margin in pixels
SAVE_NAME = 'ChArUco_Marker.png'
# ------------------------------

def create_and_save_new_board():
    dictionary = cv2.aruco.getPredefinedDictionary(ARUCO_DICT)
    board = cv2.aruco.CharucoBoard((SQUARES_VERTICALLY, SQUARES_HORIZONTALLY), SQUARE_LENGTH, MARKER_LENGTH, dictionary)
    size_ratio = SQUARES_HORIZONTALLY / SQUARES_VERTICALLY
    img = cv2.aruco.CharucoBoard.generateImage(board, (LENGTH_PX, int(LENGTH_PX*size_ratio)), marginSize=MARGIN_PX)
    cv2.imshow("img", img)
    cv2.waitKey(2000)
    cv2.imwrite(SAVE_NAME, img)

create_and_save_new_board()