meme-util.py 文件源码

def thres(pil_Image):
    """ Thresholding the image
    """
    w, h = pil_Image.size
    thim = Image.new("RGB", (w, h))
    thdr = ImageDraw.Draw(thim)
    PX = pil_Image.load()
    # make threshold image
    for x in range(0, w):
        for y in range(0, h):
            r, g, b = PX[x, y][:3]
            hsv = rgb2hsv(r, g, b)
            if hsv[2] > 0.9 and hsv[1] < 0.1:
                thdr.point([x, y], fill=(0, 0, 0))
            else:
                thdr.point([x, y], fill=(255, 255, 255))
    thim.show()
    return thim