Fix the shape generator so it could work on real b/w images
Fix the shape generator so it could work on real b/w images

timdream/wordcloud2.js,timdream/wordcloud2.js,timdream/wordcloud2.js,ZainRizvi/wordcloud2.js,ZainRizvi/wordcloud2.js,alex2wong/wordcloud2.js,alex2wong/wordcloud2.js,ZainRizvi/wordcloud2.js,alex2wong/wordcloud2.js