修正部分英文拼写；修正图片传递；修正页码解析

util/image_util.py

@@ -172,12 +172,14 @@ def invert_rotate_rectangle(rectangle, center, angle):
     return [new_top_left[0], new_top_left[1], new_bot_right[0], new_bot_right[1]]
 
 
-def expand_to_a4_size(image):
+def expand_to_a4_size(img_path):
     """
     以尽量少的方式将图片扩充到a4大小
-    :param image: 图片NumPy数组
+    :param img_path: 图片路径
     :return: 扩充后的图片NumPy数组和偏移量
     """
+    image = cv2.imread(img_path)
+    img_name, img_ext = parse_save_path(img_path)
     height, width = image.shape[:2]
     x_offset, y_offset = 0, 0
     hw_ratio = height / width
@@ -205,7 +207,10 @@ def expand_to_a4_size(image):
         exp_img = numpy.zeros((y_offset, width, 3), dtype='uint8')
         exp_img.fill(255)
         image = numpy.vstack([exp_img, image, exp_img])
-    return image, x_offset, y_offset
+    # todo:未拓展时不要生成新的图片
+    save_path = get_save_path(f'{img_name}.a4.{img_ext}')
+    cv2.imwrite(save_path, image)
+    return save_path, x_offset, y_offset
 
 
 def combined(img1, img2):