rest_api_test.py 文件源码

def simple_resize(path, x_size, y_size):
    """
    simply resize image and return array
    :param path:
    :return:
    """

    im = Image.open(path).convert('L')
    width = float(im.size[0])
    height = float(im.size[1])
    newImage = Image.new('L', (x_size, y_size), (255))

    if width > height:
        nheight = int(round((x_size / width * height), 0))
        img = im.resize((x_size, nheight), Image.ANTIALIAS).filter(ImageFilter.SHARPEN)
        wtop = int(round(((y_size - nheight) / 2), 0))
        newImage.paste(img, (4, wtop))
    else:
        nwidth = int(round((x_size / height * width), 0))
        if (nwidth == 0):
            nwidth = 1

        img = im.resize((nwidth, y_size), Image.ANTIALIAS).filter(ImageFilter.SHARPEN)
        wleft = int(round(((y_size - nwidth) / 2), 0))
        newImage.paste(img, (wleft, 4))

    return list(newImage.getdata())