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hasnainr/opencv-logo.py

Created March 5, 2020 10:08
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  1. hasnainr created this gist Mar 5, 2020.
    39 changes: 39 additions & 0 deletions opencv-logo.py
    View file
    Original file line number Diff line number Diff line change
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    import numpy as np
    import cv2 #3.4.2
    import math

    r1 = 70
    r2 = 30

    ang = 60

    d = 170
    h = int(d/2*math.sqrt(3))

    dot_red = (256,128)
    dot_green = (round(dot_red[0]-d/2), round(dot_red[1]+h))
    dot_blue = (round(dot_red[0]+d/2), round(dot_red[1]+h))

    # tan = float(dot_red[0]-dot_green[0])/(dot_green[1]-dot_red[0])
    # ang = math.atan(tan)/math.pi*180

    red = (0, 0, 255)
    green = (0, 255, 0)
    blue = (255, 0, 0)
    black = (0, 0, 0)

    full = -1

    img = np.zeros((512, 512, 3), np.uint8)
    cv2.circle(img, dot_red, r1, red, full)
    cv2.circle(img, dot_green, r1, green, full)
    cv2.circle(img, dot_blue, r1, blue, full)
    cv2.circle(img, dot_red, r2, black, full)
    cv2.circle(img, dot_green, r2, black, full)
    cv2.circle(img, dot_blue, r2, black, full)

    cv2.ellipse(img, dot_red, (r1, r1), ang, 0, ang, black, full)
    cv2.ellipse(img, dot_green, (r1, r1), 360-ang, 0, ang, black, full)
    cv2.ellipse(img, dot_blue, (r1, r1), 360-2*ang, ang, 0, black, full)

    cv2.imwrite("opencv_logo.png", img)