提交代码

Author: cxhuan

xianhuan/README.md

@@ -10,6 +10,8 @@ Python技术 公众号文章代码库
 
 ## 实例代码
 
+[用 Python 实现图片转字符画，so easy！](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/charPic)：用 Python 实现图片转字符画，so easy！
+
 [绝了！自动点赞，我用 PyAutoGUI！](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/pyautogui2)：绝了！自动点赞，我用 PyAutoGUI！
 
 [这个自动化利器，Pythoner都在用！](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/pdffit)：自动化利器，Pythoner都在用！

xianhuan/charPic/demo.py

@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+#coding: utf-8
+
+from PIL import Image
+
+ascii_char = list('M3NB6Q#OC?7>!:–;. ')
+
+def get_char(r, g, b, alpha=256):
+    if alpha == 0:
+        return ' '
+    
+    grey = (2126 * r + 7152 * g + 722 * b) / 10000
+    
+    char_idx = int((grey / (alpha + 1.0)) * len(ascii_char))
+    return ascii_char[char_idx]
+
+def write_file(out_file_name, content):
+    with open(out_file_name, 'w') as f:
+        f.write(content)
+
+def main(file_name="input.jpg", width=100, height=80, out_file_name='output.txt'):
+    text = ''
+    im = Image.open(file_name)
+    im = im.resize((width, height), Image.NEAREST)
+    for i in range(height):
+        for j in range(width):
+            text += get_char(*im.getpixel((j, i)))
+        text += '\n'
+    print(text)
+    write_file(out_file_name, text)
+
+if __name__ == '__main__':
+    main('dance.png')
+