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import sys
import cv2
import numpy as np
import matplotlib.pyplot as plt
def polylines(img_path, data, isClosed, color, thickness):
img = cv2.imread(img_path, 1) # 读取图片
pts = np.array(data, np.int32)
pts = pts.reshape((-1, 1, 2))
cv2.polylines(img, [pts], isClosed, color, thickness)
cv2.imwrite('./output/polylines.jpg', img)
'''
输入:img_path, pts, isClosed, color, thickness
输出：在传入的img上添加一个多边形
if __name__ == '__main__':
polylines(sys.argv[1], eval(sys.argv[2]), eval(sys.argv[3]), eval(sys.argv[4]), eval(sys.argv[5]))
