drawing.py 文件源码

def drawingDemo():
    img = emptyImage()

    # ??2?????
    drawLine(img, (10, 10), (200, 200), (0, 0, 255), 2)

    # ???-1???????????????
    drawCircle(img, (300, 100), 80, (0, 255, 0), -1)

    # ????????
    drawRectangle(img, (10, 210), (210, 350), (100, 100, 0), -1)
    drawRectangle(img, (10, 210), (210, 350), (255, 0, 0), 3)

    # ?????
    drawElipse(img, (450, 100), (30, 80), 0, 0, 360, (0, 100, 100), -1)

    # ???????
    pts = np.array([[(250, 240), (270, 280), (350, 320), (500, 300), (450, 230), (350, 210)]], dtype=np.int32)
    drawPolylines(img, pts, True, (255, 100, 100), 5)

    # ???????
    drawText(img, 'OpenCV', (20, 450), font_types[0], 4, (200, 200, 200), 2)

    cv2.namedWindow('DrawingDemo', cv2.WINDOW_AUTOSIZE)
    cv2.imshow('DrawingDemo', img)
    cv2.waitKey(0)
    cv2.destroyAllWindows()