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Author: ityard

yeke/README.md

@@ -19,6 +19,7 @@
 + [py-ascii](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-ascii) ：Python 实现图片转字符画，静态图、GIF 都能转
 + [py-snow](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-snow) ：用 Python 实现带音乐的雪花飘落雪景图
 + [py-discern](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-discern) ：十行 Python 代码就提取了韦小宝的身份证信息
++ [py-flag](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-flag) ：用 Python 给微信头像加个圣诞老人（平安果）小图标
 
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yeke/py-flag/__init__.py

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+import turtle
+
+turtle.setup(600, 600, 0, 0)
+turtle.up()
+turtle.goto(0, -200)
+turtle.down()
+# 先画一个圆，并填充为红色
+turtle.begin_fill()
+turtle.color("red")
+turtle.circle(radius=150)
+turtle.end_fill()
+# 画苹果把
+turtle.color("black")
+turtle.pu()
+turtle.goto(-90, 0)
+turtle.pd()
+turtle.circle(180, 40)
+turtle.pu()
+turtle.seth(105)
+turtle.goto(-20, 20)
+turtle.pd()
+turtle.circle(180, 50)
+turtle.pd()
+# 画左边叶子
+turtle.begin_fill()
+turtle.color("green")
+turtle.circle(180, 50)
+turtle.seth(-30)
+turtle.circle(180, 55)
+turtle.end_fill()
+# 画右边叶子
+turtle.begin_fill()
+turtle.color("green")
+turtle.seth(0)
+turtle.circle(180, 50)
+turtle.seth(-180)
+turtle.circle(180, 50)
+turtle.end_fill()
+turtle.done()

yeke/py-flag/apple.jpg

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+import cv2
+
+# 读取头像和圣诞老人图片
+img_head = cv2.imread('head.jpg')
+img_flag = cv2.imread('sc.jpg')
+# 获取头像和圣诞老人图片宽度
+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('sc_head.jpg', img_head)