Fixed draw_text/draw_text.py on Ubuntu

Demos/draw_text/draw_text.py

@@ -1,21 +1,20 @@
 #!/usr/bin/env python
+#-*- coding:utf-8 -*-
 import os
 import sys
 
-from PIL import Image, ImageDraw, ImageFont
+from PIL import Image
+from PIL import ImageDraw
+from PIL import ImageFont
 
 
 PWD = os.path.dirname(os.path.realpath(__file__))
 parent_path = os.path.dirname(PWD)
 
-BLACK = "#ffffff"
-WHITE = "#000000"
+BLACK = "#000000"
+WHITE = "#ffffff"
 
-fg_color = WHITE
-bg_color = BLACK
-
-
-canvas_w, canvas_h = 180, 50
+canvas_w, canvas_h = 250, 50
 im = Image.new(mode="RGB", size=(canvas_w, canvas_h), color=WHITE)
 
 draw = ImageDraw.Draw(im=im)
@@ -23,15 +22,19 @@ draw = ImageDraw.Draw(im=im)
 left_top_x, left_top_y = 10, 10
 begin = left_top_x, left_top_y
 
-text = "hello world"
+text = u"hello world 中文"
 
 if sys.platform == "darwin":
     filename = "/Library/Fonts/Microsoft/Times New Roman Bold.ttf"
 elif sys.platform == "win32":
-    #filename = "C:/Windows/Fonts/timesbd.ttf"
     filename = "timesbd.ttf"
+elif sys.platform == "linux2":
+    # this script required wqy truetype font,
+    # install it on Debian/Ubuntu: apt-get install ttf-wqy-microhei
+    filename = "/usr/share/fonts/truetype/wqy/wqy-microhei.ttc"
 else:
-    raise Exception
+    raise NotImplementedError
+    
 font_size = 26
 font = ImageFont.truetype(filename=filename, size=font_size)