14

Author: JavaProgrammerLB

14.py

@@ -16,13 +16,39 @@
 count = 0
 x = 0
 y = 0
-while y < result_y:
-    while x < result_x:
-        # print("count is {}, im.getpixel((count,0)) is{}".format(count,im.getpixel((count, 0))))
+len_x = result_x
+len_y = result_y
+while y < len_y:
+    while x < len_x:
+        # print("x={}, y={}, count={}".format(x, y, count))
         drawer.point((x, y), im.getpixel((count,0)))
         x += 1
         count += 1
+    x -= 1
+    len_x -= 1
     y += 1
-    x = 0
+    while y < len_y:
+        # print("x={}, y={}, count={}".format(x, y, count))
+        drawer.point((x, y), im.getpixel((count,0)))
+        y += 1
+        count += 1
+    y -= 1
+    len_y -= 1
+    x -= 1
+    while x >= result_x - len_x - 1:
+        # print("x={}, y={}, count={}".format(x, y, count))
+        drawer.point((x, y), im.getpixel((count,0)))
+        x -= 1
+        count += 1
+    x += 1
+    y -= 1
+    while y >= result_y - len_y:
+        # print("x={}, y={}, count={}, result_y={}, len_y={}".format(x, y, count, result_y, len_y))
+        drawer.point((x, y), im.getpixel((count,0)))
+        y -= 1
+        count += 1
+    y += 1
+    x += 1
 
-result.show()
+result.show()
+result.save("wire/cat.png")

README.md

@@ -2,8 +2,23 @@
 Solve Problems in http://www.pythonchallenge.com
 
 #### 14
-result: 
-
+result: http://www.pythonchallenge.com/pc/return/uzi.html
+```
+from PIL import Image
+from PIL import ImageDraw
+```
+- the key of this problem is to use 100 * 100 = 100 + 99 + 99 + 98 + 98 + 97 + 97 + ...
+- the size of cat.png is 100 * 100
+- use ImageDraw.point()  
+- result is "wire/cat.png" 
+```
+while(
+    left(0,0) -> right(99,0)  100
+    up(99,1) -> down(99,99)   99
+    right(99,98) -> left(99,0) 99
+    down(98,0) -> up (1,0) 98
+)
+```
 
 #### 13
 result: http://www.pythonchallenge.com/pc/return/italy.html