update examples, docs.

doc/index.rst

@@ -25,6 +25,11 @@
               <img src="_images/masked_1.png" alt="...">
             </a>
           </div>
+          <div class="col-xs-3 col-md-3">
+            <a href="auto_examples/colored.html" class="thumbnail">
+              <img src="_images/colored_2.png" alt="...">
+            </a>
+          </div>
           <div class="col-xs-3 col-md-3">
             <a href="auto_examples/a_new_hope.html" class="thumbnail">
               <img src="_images/a_new_hope_1.png" alt="...">

doc/references.rst

@@ -16,6 +16,7 @@ All functionality is encapsulated in the WordCloud class.
    :template: class.rst
 
     WordCloud
+    ImageColorGenerator
 
    :template: function.rst
    

examples/a_new_hope.py

@@ -13,7 +13,7 @@ import random
 from wordcloud import WordCloud, STOPWORDS
 
 
-def grey_color_func(word, font_size, position, orientation, random_state=None):
+def grey_color_func(word, font_size, position, orientation, random_state=None, **kwargs):
     return "hsl(0, 0%%, %d%%)" % random.randint(60, 100)
 
 d = path.dirname(__file__)

examples/colored.py

@@ -31,13 +31,11 @@ image_colors = ImageColorGenerator(alice_coloring)
 
 # show
 plt.imshow(wc)
-plt.title("original")
 plt.axis("off")
 plt.figure()
 # recolor wordcloud and show
 # we could also give color_func=image_colors directly in the constructor
 plt.imshow(wc.recolor(color_func=image_colors))
-plt.title("recolored")
 plt.axis("off")
 plt.figure()
 plt.imshow(alice_coloring, cmap=plt.cm.gray)