字符画

字符画大全 http://www.zoneky.com/ascii/

ASCII Generator http://www.network-science.de/ascii/

http://www.html-js.com/article/JavaScript-using-the-technique-of-canvas-JavaScript-API-image-into-character-painting

http://www.cnblogs.com/laosan/p/create-magic-ascii-picture-by-javascript.html