page.py 文件源码

def rotate(image, theta):
    (h, w) = image.shape[:2]
    center = (w / 2, h / 2)
    M = cv2.getRotationMatrix2D(center, theta, 1)
    rotated = cv2.warpAffine(image, M, (int(w), int(h)), cv2.INTER_LINEAR,
                             borderMode=cv2.BORDER_CONSTANT, borderValue=(255, 255, 255))
    return rotated