add flag

Author: crossin2

add_flag/flag.py

@@ -0,0 +1,19 @@
+# -*- coding: utf8 -*-
+import cv2
+# 读取头像和国旗图案
+img_head = cv2.imread('getqrcode.jpg')
+img_flag = cv2.imread('flag.png')
+# 获取头像和国旗图案宽度
+w_head, h_head = img_head.shape[:2]
+w_flag, h_flag = img_flag.shape[:2]
+# 计算图案缩放比例
+scale = w_head / w_flag / 4
+# 缩放图案
+img_flag = cv2.resize(img_flag, (0, 0), fx=scale, fy=scale)
+# 获取缩放后新宽度
+w_flag, h_flag = img_flag.shape[:2]
+# 按3个通道合并图片
+for c in range(0, 3):
+    img_head[w_head - w_flag:, h_head - h_flag:, c] = img_flag[:, :, c]
+# 保存最终结果
+cv2.imwrite('new_head.jpg', img_head)